TrojanDownloader_O97M_Qakbot_GRA_MTB

YARA detection rule by roadwy

TrojanDownloader:O97M/Qakbot.GRA!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00

rule TrojanDownloader_O97M_Qakbot_GRA_MTB{
	meta:
		description = "TrojanDownloader:O97M/Qakbot.GRA!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 "
		
	strings :
		$a_01_0 = {68 74 74 70 3a 2f 2f 65 72 69 6b 76 61 6e 77 65 6c 2e 6e 6c 2f 78 79 71 66 6f 73 6e 6d 63 6d 71 2f } 		$a_01_1 = {43 3a 5c 47 72 61 76 69 74 79 5c 47 72 61 76 69 74 79 32 5c 46 69 6b 73 61 74 2e 65 78 65 } 		$a_01_2 = {55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 41 } 	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_01_2  & 1)*1) >=3
 
}

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

0c4c8b4b-6c89-4e3d-a4af-9e7ec0e47d98

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