From db4092b9acd2c6041fd44f308058063f7a4ad59b Mon Sep 17 00:00:00 2001 From: toni Date: Sun, 23 Nov 2014 13:25:58 +0100 Subject: - simple xor decoder --- crypter/xor_decoder.asm | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 crypter/xor_decoder.asm diff --git a/crypter/xor_decoder.asm b/crypter/xor_decoder.asm new file mode 100644 index 0000000..3aa6f59 --- /dev/null +++ b/crypter/xor_decoder.asm @@ -0,0 +1,19 @@ +BITS 32 + + +jmp short go +next: +pop esi +xor ecx,ecx +xor eax,eax +mov cl,0 +change: +mov byte al,0 +xor byte al,[esi + ecx - 1] + +dec cl +jnz change +jmp short ok +go: +call next +ok: -- cgit v1.2.3