Trojan_BAT_BadJoke_SK_MTB

YARA detection rule by roadwy

Trojan:BAT/BadJoke.SK!MTB,SIGNATURE_TYPE_PEHSTR_EXT,05 00 05 00 05 00 00

rule Trojan_BAT_BadJoke_SK_MTB{
	meta:
		description = "Trojan:BAT/BadJoke.SK!MTB,SIGNATURE_TYPE_PEHSTR_EXT,05 00 05 00 05 00 00 "
		
	strings :
		$a_81_0 = {24 65 33 64 34 65 35 62 63 2d 32 35 30 30 2d 34 64 63 34 2d 61 33 66 62 2d 31 37 30 38 32 33 35 36 30 38 65 64 } 		$a_81_1 = {41 4c 4f 4e 45 5f 44 45 53 54 52 55 43 54 49 56 45 2e 52 65 73 6f 75 72 63 65 73 } 		$a_81_2 = {41 4c 4f 4e 45 40 44 45 53 54 55 52 43 54 49 56 45 } 		$a_81_3 = {53 69 74 20 64 6f 77 6e 20 61 6e 64 20 77 61 74 63 68 20 61 6c 6c 20 79 6f 75 27 72 65 20 66 69 6c 65 20 62 65 67 69 6e 20 64 65 6c 65 74 65 64 } 		$a_81_4 = {44 69 73 61 62 6c 65 54 61 73 6b 4d 67 72 } 	condition:
		((#a_81_0  & 1)*1+(#a_81_1  & 1)*1+(#a_81_2  & 1)*1+(#a_81_3  & 1)*1+(#a_81_4  & 1)*1) >=5
 
}

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

8e38d512-38cf-4844-ae64-bd22c9dbc3aa

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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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