Backdoor_Win32_Remcos_GXB_MTB

YARA detection rule by roadwy

Backdoor:Win32/Remcos.GXB!MTB,SIGNATURE_TYPE_PEHSTR_EXT,0a 00 0a 00 01 00 00

rule Backdoor_Win32_Remcos_GXB_MTB{
	meta:
		description = "Backdoor:Win32/Remcos.GXB!MTB,SIGNATURE_TYPE_PEHSTR_EXT,0a 00 0a 00 01 00 00 "
		
	strings :
		$a_03_0 = {66 0f ef c1 0f 11 80 ?? ?? ?? ?? 0f 10 80 ?? ?? ?? ?? 66 0f ef c1 0f 11 80 ?? ?? ?? ?? 0f 10 80 ?? ?? ?? ?? 66 0f ef c1 0f 11 80 ?? ?? ?? ?? 0f 10 80 ?? ?? ?? ?? 66 0f ef c1 0f 11 80 ?? ?? ?? ?? 83 c0 40 3d 00 a4 08 00 } 	condition:
		((#a_03_0  & 1)*10) >=10
 
}

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

44d06809-6562-4b7f-9e18-f6038e9e7f9b

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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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