10-25-2014, 05:46 AM
lightweight
>not writing your hello world in shellcode
>not writing your hello world in shellcode
Code:
char code[] =
"\xe9\x1e\x00\x00\x00" // jmp 8048083 <MESSAGE>
"\xb8\x04\x00\x00\x00" // mov $0x4,%eax
"\xbb\x01\x00\x00\x00" // mov $0x1,%ebx
"\x59" // pop %ecx
"\xba\x0f\x00\x00\x00" // mov $0xf,%edx
"\xcd\x80" // int $0x80
"\xb8\x01\x00\x00\x00" // mov $0x1,%eax
"\xbb\x00\x00\x00\x00" // mov $0x0,%ebx
"\xcd\x80" // int $0x80
"\xe8\xdd\xff\xff\xff" // call 8048065 <GOBACK>
"Hello wolrd!\r\n"; // OR "\x48\x65\x6c\x6c\x6f\x2c\x20\x57"
// "\x6f\x72\x6c\x64\x21\x0d\x0a"
int main(int argc, char **argv)
{
(*(void(*)())code)();
return 0;
}