Trojan_Win32_Ursnif_AH_MTB

YARA detection rule by roadwy

Trojan:Win32/Ursnif.AH!MTB,SIGNATURE_TYPE_PEHSTR_EXT,02 00 02 00 02 00 00

rule Trojan_Win32_Ursnif_AH_MTB{
	meta:
		description = "Trojan:Win32/Ursnif.AH!MTB,SIGNATURE_TYPE_PEHSTR_EXT,02 00 02 00 02 00 00 "
		
	strings :
		$a_03_0 = {6b d2 07 03 15 ?? ?? ?? ?? 89 55 e0 8b 45 e8 83 e8 4e 2b 05 ?? ?? ?? ?? 8b 0d ?? ?? ?? ?? 2b c8 89 0d ?? ?? ?? ?? 8b 15 ?? ?? ?? ?? 2b 55 e0 83 c2 78 3b 55 f0 } 		$a_81_1 = {50 65 72 68 61 70 73 44 61 6e 63 65 2e 70 64 62 } 	condition:
		((#a_03_0  & 1)*1+(#a_81_1  & 1)*1) >=2
 
}

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

a3c26731-3c6a-4269-b94c-d587e0c12d72

Propose edits, view related rules, and engage with the community through comments.

Executable code, not a declarative rule

This submission is arbitrary [[ currentRule.format ? currentRule.format.toUpperCase() : '' ]] code, not a declarative detection rule — review it as you would any script before running it, and note that it cannot be safely aggregated or auto-executed alongside YARA/Sigma/Suricata/CRS rules.

Rejected pattern present

[[ reason ]]

What does this mean?

Format & documentation suggestions

Not a security issue — this rule is valid and was accepted as-is. These are optional fields/conventions its own format recommends, mainly affecting its quality score and how well it documents itself for other reviewers.

[[ reason ]]

What do these messages mean?

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

[[ currentRule.title ]]

Community Discussion