TrojanDownloader_O97M_Obfuse_BK_MTB_52

YARA detection rule by roadwy

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

rule TrojanDownloader_O97M_Obfuse_BK_MTB_52{
	meta:
		description = "TrojanDownloader:O97M/Obfuse.BK!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
		
	strings :
		$a_01_0 = {43 61 6c 6c 20 65 65 62 64 33 37 31 34 2e 65 78 65 63 28 64 33 35 38 35 64 36 31 29 } 		$a_01_1 = {64 33 62 64 33 32 36 31 2e 64 33 39 37 64 63 38 63 20 63 32 31 63 37 35 39 61 20 26 20 22 20 22 20 26 20 61 34 37 64 33 38 34 61 } 		$a_01_2 = {61 34 37 64 33 38 34 61 20 3d 20 45 6e 76 69 72 6f 6e 28 22 74 65 6d 70 22 29 20 26 20 22 5c 6d 61 69 6e 2e 74 68 65 6d 65 22 } 		$a_01_3 = {63 32 31 63 37 35 39 61 20 3d 20 61 30 65 61 32 32 31 62 28 41 63 74 69 76 65 44 6f 63 75 6d 65 6e 74 2e 53 68 61 70 65 73 28 31 29 2e 54 69 74 6c 65 29 } 	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 ]]

17222edb-d83a-410f-8849-4c84713b1af0

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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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