diff options
| author | toni <matzeton@googlemail.com> | 2014-11-23 13:25:58 +0100 |
|---|---|---|
| committer | toni <matzeton@googlemail.com> | 2014-11-23 13:25:58 +0100 |
| commit | db4092b9acd2c6041fd44f308058063f7a4ad59b (patch) | |
| tree | aa7fb0890868ce16fbe7f736844b1b2a9e37bb81 | |
| parent | a10d4f3aa6d62cf225a3771f421ad5fc54813502 (diff) | |
- simple xor decoder
| -rw-r--r-- | crypter/xor_decoder.asm | 19 |
1 files changed, 19 insertions, 0 deletions
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: |