Trojan_O97M_Obfuse_BAS_MTB

YARA detection rule by roadwy

Trojan:O97M/Obfuse.BAS!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00

rule Trojan_O97M_Obfuse_BAS_MTB{
	meta:
		description = "Trojan:O97M/Obfuse.BAS!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
		
	strings :
		$a_01_0 = {43 61 6c 6c 20 66 38 38 63 63 64 35 35 2e 65 78 65 63 28 64 35 33 33 61 32 36 64 29 } 		$a_01_1 = {65 36 38 39 66 37 65 61 2e 4f 70 65 6e 20 22 47 45 54 22 2c 20 66 36 63 64 33 39 64 38 2c 20 46 61 6c 73 65 } 		$a_01_2 = {62 30 33 37 37 39 38 35 20 3d 20 53 70 6c 69 74 28 62 39 65 32 36 33 34 64 2c 20 22 7c 22 29 } 		$a_01_3 = {63 61 37 31 66 38 35 39 2e 64 61 35 30 32 62 36 33 20 65 35 31 36 62 39 34 65 28 30 29 20 2b } 	condition:
		((#a_01_0  & 1)*1+(#a_01_1  & 1)*1+(#a_01_2  & 1)*1+(#a_01_3  & 1)*1) >=4
 
}

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

d32f52bb-eca0-48f1-8e02-d7896370bb45

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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 ]]

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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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