TrojanDownloader_O97M_Obfuse_RQ_MTB

YARA detection rule by roadwy

TrojanDownloader:O97M/Obfuse.RQ!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00

rule TrojanDownloader_O97M_Obfuse_RQ_MTB{
	meta:
		description = "TrojanDownloader:O97M/Obfuse.RQ!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
		
	strings :
		$a_03_0 = {41 70 70 6c 69 63 61 74 69 6f 6e 2e 53 74 61 72 74 75 70 50 61 74 68 20 26 20 [0-08] 28 22 20 49 5c 2e 2e 5c 2e 20 49 2e 22 20 26 20 22 20 49 5c 2e 2e 20 49 5c 2e 2e 20 49 5c 2e 20 49 2e 22 29 } 		$a_03_1 = {22 20 49 65 20 49 78 20 49 70 6c 6f 20 49 72 65 20 49 72 2e 65 20 49 78 20 49 65 20 22 29 20 26 20 43 68 72 28 [0-09] 20 2b 20 31 29 20 26 20 [0-09] 20 26 20 43 68 72 28 90 1b 00 20 2b 20 31 29 } 		$a_03_2 = {46 72 4b 6f 6e 65 72 74 20 26 20 22 5c 22 20 26 20 4d 65 2e 4e 61 6d 65 20 26 20 [0-09] 20 26 20 22 2e [0-08] 2e 22 } 		$a_03_3 = {52 65 70 6c 61 63 65 28 ?? 2c 20 22 20 49 22 2c 20 22 22 29 } 	condition:
		((#a_03_0  & 1)*1+(#a_03_1  & 1)*1+(#a_03_2  & 1)*1+(#a_03_3  & 1)*1) >=4
 
}

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

80b8f377-a740-4fa7-8d38-399b0e0d3584

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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 ]]

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