Trojan_BAT_FormBook_FG_MTB_2

YARA detection rule by roadwy

Trojan:BAT/FormBook.FG!MTB,SIGNATURE_TYPE_PEHSTR_EXT,1a 00 1a 00 08 00 00

rule Trojan_BAT_FormBook_FG_MTB_2{
	meta:
		description = "Trojan:BAT/FormBook.FG!MTB,SIGNATURE_TYPE_PEHSTR_EXT,1a 00 1a 00 08 00 00 "
		
	strings :
		$a_81_0 = {24 30 34 31 30 62 62 39 61 2d 65 39 34 64 2d 34 35 34 34 2d 39 31 63 66 2d 61 64 39 34 34 32 65 33 30 65 65 62 } 		$a_81_1 = {43 50 50 2e 4d 79 2e 52 65 73 6f 75 72 63 65 73 } 		$a_81_2 = {43 50 50 2e 55 43 5f 4d 61 69 6e 2e 72 65 73 6f 75 72 63 65 73 } 		$a_81_3 = {43 6f 66 66 65 65 20 53 68 6f 70 2e 74 78 74 } 		$a_81_4 = {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_5 = {43 72 65 61 74 65 49 6e 73 74 61 6e 63 65 } 		$a_81_6 = {41 63 74 69 76 61 74 6f 72 } 		$a_81_7 = {42 69 74 6d 61 70 } 	condition:
		((#a_81_0  & 1)*20+(#a_81_1  & 1)*20+(#a_81_2  & 1)*1+(#a_81_3  & 1)*1+(#a_81_4  & 1)*1+(#a_81_5  & 1)*1+(#a_81_6  & 1)*1+(#a_81_7  & 1)*1) >=26
 
}

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

deb2cb5e-21f9-48d4-959a-604e1c924ae8

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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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