DefenderYara/Backdoor/Win32/Wudfok/Backdoor_Win32_Wudfok_A.yar

13 lines
448 B
Plaintext

rule Backdoor_Win32_Wudfok_A{
meta:
description = "Backdoor:Win32/Wudfok.A,SIGNATURE_TYPE_PEHSTR_EXT,08 00 08 00 03 00 00 "
strings :
$a_01_0 = {57 69 6e 58 53 20 32 2e 30 20 64 65 6d 6f 6e } //3 WinXS 2.0 demon
$a_01_1 = {5c 57 75 64 66 53 76 63 2e 65 78 65 } //3 \WudfSvc.exe
$a_01_2 = {25 73 20 25 73 20 48 54 54 50 2f 25 64 2e 25 64 } //2 %s %s HTTP/%d.%d
condition:
((#a_01_0 & 1)*3+(#a_01_1 & 1)*3+(#a_01_2 & 1)*2) >=8
}