WorkersDevBackdoor

YARA detection rule by RussianPanda

Rule WorkersDevBackdoor (No description metadata provided).

import "pe"
rule WorkersDevBackdoor {

	meta:
		author = "RussianPanda"
		decription = "Detects WorkersDevBackdoor"
		date = "12/15/2023"

	strings:
		$s1 = {72 00 65 00 67 00 69 00 73 00 74 00 65 00 72 00 20 00 7B 00 30 00 7D 00 20 00 7B 00 31 00 7D}
		$s2 = {72 FB 00 00 70 72 13 01 00 70 28 20 00 00 0A 72 2D 01 00 70}
		$s3 = {55 00 53 00 45 00 52 00 44 00 4F 00 4D 00 41 00 49 00 4E}
		$s4 = {43 00 4F 00 4D 00 50 00 55 00 54 00 45 00 52 00 4E 00 41 00 4D 00 45}
		
	condition:
		3 of ($s*)
		and pe.imports("mscoree.dll") 
		and filesize < 2MB
}

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

67839df0-232d-4643-844e-e7bb84090015

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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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