Trojan_Win32_FormBook_CC_MTB

YARA detection rule by roadwy

Trojan:Win32/FormBook.CC!MTB,SIGNATURE_TYPE_PEHSTR_EXT,15 00 15 00 07 00 00

rule Trojan_Win32_FormBook_CC_MTB{
	meta:
		description = "Trojan:Win32/FormBook.CC!MTB,SIGNATURE_TYPE_PEHSTR_EXT,15 00 15 00 07 00 00 "
		
	strings :
		$a_81_0 = {57 41 5f 56 4d 53 49 42 } 		$a_81_1 = {44 6f 6e 20 48 4f 20 64 6f 6e } 		$a_81_2 = {4c 65 78 78 40 62 61 6b 6c 61 6e 6f 76 2e 6e 65 74 } 		$a_81_3 = {55 6e 61 62 6c 65 20 74 6f 20 6b 69 6c 6c 20 70 72 6f 63 65 73 73 } 		$a_81_4 = {53 65 6c 65 63 74 20 61 20 70 72 6f 63 65 73 73 20 74 6f 20 62 65 20 6b 69 6c 6c 65 64 } 		$a_81_5 = {53 79 73 49 6e 66 6f 20 76 32 2e 30 20 62 65 74 61 } 		$a_81_6 = {43 6f 54 61 73 6b 4d 65 6d 41 6c 6c 6f 63 } 	condition:
		((#a_81_0  & 1)*3+(#a_81_1  & 1)*3+(#a_81_2  & 1)*3+(#a_81_3  & 1)*3+(#a_81_4  & 1)*3+(#a_81_5  & 1)*3+(#a_81_6  & 1)*3) >=21
 
}

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

7b7a9946-7a44-4953-9553-05b0cdefa082

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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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