Trojan_BAT_Formbook_FH_MTB

YARA detection rule by roadwy

Trojan:BAT/Formbook.FH!MTB,SIGNATURE_TYPE_PEHSTR_EXT,17 00 17 00 0f 00 00

rule Trojan_BAT_Formbook_FH_MTB{
	meta:
		description = "Trojan:BAT/Formbook.FH!MTB,SIGNATURE_TYPE_PEHSTR_EXT,17 00 17 00 0f 00 00 "
		
	strings :
		$a_81_0 = {24 61 38 30 38 64 34 32 66 2d 63 32 34 38 2d 34 39 63 30 2d 39 33 32 61 2d 62 38 39 61 38 35 39 30 30 65 38 65 } 		$a_81_1 = {24 30 33 62 37 64 30 34 38 2d 38 30 31 34 2d 34 62 66 38 2d 62 63 37 62 2d 30 35 64 34 39 37 64 35 62 36 34 35 } 		$a_81_2 = {24 64 63 65 30 31 63 35 61 2d 30 65 33 65 2d 34 65 61 62 2d 61 33 31 66 2d 34 32 66 61 31 64 30 39 66 36 34 37 } 		$a_81_3 = {24 65 66 64 39 61 65 62 65 2d 66 30 30 61 2d 34 34 39 31 2d 39 62 30 65 2d 39 34 39 31 39 62 37 32 32 37 35 34 } 		$a_81_4 = {24 64 61 37 32 35 30 30 35 2d 35 63 32 36 2d 34 33 37 36 2d 62 61 32 36 2d 32 64 32 31 30 38 32 39 62 32 34 39 } 		$a_81_5 = {24 65 38 31 36 30 62 62 66 2d 35 34 39 66 2d 34 39 39 30 2d 62 62 34 64 2d 62 35 63 35 36 34 36 30 37 62 38 39 } 		$a_81_6 = {44 65 62 75 67 67 65 72 4e 6f 6e 55 73 65 72 43 6f 64 65 41 74 74 72 69 62 75 74 65 } 		$a_81_7 = {44 65 62 75 67 67 65 72 42 72 6f 77 73 61 62 6c 65 41 74 74 72 69 62 75 74 65 } 		$a_81_8 = {44 65 62 75 67 67 65 72 53 74 65 70 54 68 72 6f 75 67 68 41 74 74 72 69 62 75 74 65 } 		$a_81_9 = {44 65 62 75 67 67 65 72 42 72 6f 77 73 61 62 6c 65 53 74 61 74 65 } 		$a_81_10 = {43 72 65 61 74 65 49 6e 73 74 61 6e 63 65 } 		$a_81_11 = {44 65 62 75 67 67 65 72 48 69 64 64 65 6e 41 74 74 72 69 62 75 74 65 } 		$a_81_12 = {41 63 74 69 76 61 74 6f 72 } 		$a_81_13 = {44 65 62 75 67 67 61 62 6c 65 41 74 74 72 69 62 75 74 65 } 		$a_81_14 = {44 65 62 75 67 67 69 6e 67 4d 6f 64 65 73 } 	condition:
		((#a_81_0  & 1)*20+(#a_81_1  & 1)*20+(#a_81_2  & 1)*20+(#a_81_3  & 1)*20+(#a_81_4  & 1)*20+(#a_81_5  & 1)*20+(#a_81_6  & 1)*1+(#a_81_7  & 1)*1+(#a_81_8  & 1)*1+(#a_81_9  & 1)*1+(#a_81_10  & 1)*1+(#a_81_11  & 1)*1+(#a_81_12  & 1)*1+(#a_81_13  & 1)*1+(#a_81_14  & 1)*1) >=23
 
}

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

938a40bf-72cc-4efb-91fe-f0c9dd382e49

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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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