DefenderYara/VirTool/WinNT/Cutwail/VirTool_WinNT_Cutwail_H.yar

17 lines
2.3 KiB
Plaintext

rule VirTool_WinNT_Cutwail_H{
meta:
description = "VirTool:WinNT/Cutwail.H,SIGNATURE_TYPE_PEHSTR_EXT,07 00 07 00 07 00 00 01 00 "
strings :
$a_01_0 = {5c 00 52 00 65 00 67 00 69 00 73 00 74 00 72 00 79 00 5c 00 4d 00 61 00 63 00 68 00 69 00 6e 00 65 00 5c 00 53 00 4f 00 46 00 54 00 57 00 41 00 52 00 45 00 5c 00 4d 00 69 00 63 00 72 00 6f 00 73 00 6f 00 66 00 74 00 5c 00 57 00 69 00 6e 00 64 00 6f 00 77 00 73 00 20 00 4e 00 54 00 5c 00 43 00 75 00 72 00 72 00 65 00 6e 00 74 00 56 00 65 00 72 00 73 00 69 00 6f 00 6e 00 5c 00 57 00 69 00 6e 00 6c 00 6f 00 67 00 6f 00 6e 00 5c 00 4e 00 6f 00 74 00 69 00 66 00 79 00 5c 00 57 00 4c 00 43 00 74 00 72 00 6c 00 33 00 32 00 } //01 00 \Registry\Machine\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\WLCtrl32
$a_01_1 = {5c 00 52 00 45 00 47 00 49 00 53 00 54 00 52 00 59 00 5c 00 4d 00 41 00 43 00 48 00 49 00 4e 00 45 00 5c 00 53 00 59 00 53 00 54 00 45 00 4d 00 5c 00 43 00 6f 00 6e 00 74 00 72 00 6f 00 6c 00 53 00 65 00 74 00 30 00 30 00 31 00 5c 00 43 00 6f 00 6e 00 74 00 72 00 6f 00 6c 00 5c 00 53 00 61 00 66 00 65 00 42 00 6f 00 6f 00 74 00 5c 00 4d 00 69 00 6e 00 69 00 6d 00 61 00 6c 00 5c 00 } //01 00 \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\
$a_01_2 = {5c 00 52 00 45 00 47 00 49 00 53 00 54 00 52 00 59 00 5c 00 4d 00 41 00 43 00 48 00 49 00 4e 00 45 00 5c 00 53 00 59 00 53 00 54 00 45 00 4d 00 5c 00 43 00 6f 00 6e 00 74 00 72 00 6f 00 6c 00 53 00 65 00 74 00 30 00 30 00 31 00 5c 00 43 00 6f 00 6e 00 74 00 72 00 6f 00 6c 00 5c 00 53 00 61 00 66 00 65 00 42 00 6f 00 6f 00 74 00 5c 00 4e 00 65 00 74 00 77 00 6f 00 72 00 6b 00 5c 00 } //01 00 \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\
$a_01_3 = {5c 00 53 00 79 00 73 00 74 00 65 00 6d 00 52 00 6f 00 6f 00 74 00 5c 00 73 00 79 00 73 00 74 00 65 00 6d 00 33 00 32 00 5c 00 57 00 4c 00 43 00 74 00 72 00 6c 00 33 00 32 00 2e 00 64 00 6c 00 6c 00 } //01 00 \SystemRoot\system32\WLCtrl32.dll
$a_01_4 = {6d 75 74 61 6e 74 6f 66 74 68 65 66 75 74 75 72 65 } //01 00 mutantofthefuture
$a_01_5 = {57 00 4c 00 45 00 76 00 65 00 6e 00 74 00 53 00 74 00 61 00 72 00 74 00 53 00 68 00 65 00 6c 00 6c 00 } //01 00 WLEventStartShell
$a_01_6 = {4b 65 44 65 6c 61 79 45 78 65 63 75 74 69 6f 6e 54 68 72 65 61 64 } //00 00 KeDelayExecutionThread
condition:
any of ($a_*)
}