YARA · ESET malware-ioc

ESET_Apt_Windows_TA410_X4_Strings

Matches various strings found in TA410 X4

APT / threat actorESET malware-iocBSD 2-Clause LicenseCompiles with YARA-X

Author: ESET Research
Date: 2020-10-09
Modified: 2022-04-27
Score / Quality: 75 / 74

What this rule detects

Matches various strings found in TA410 X4

It defines 3 patterns (3 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar

apt-windows-ta410-x4-strings.yarBSD 2-Clause License

rule ESET_Apt_Windows_TA410_X4_Strings
{
	meta:
		description = "Matches various strings found in TA410 X4"
		author = "ESET Research"
		id = "e6af4516-8b79-5182-8571-7dd530632ddc"
		date = "2020-10-09"
		modified = "2022-04-27"
		reference = "https://github.com/eset/malware-ioc/"
		source_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/ta410/ta410.yar#L109-L125"
		license_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/LICENSE"
		logic_hash = "d4b2321a6d0eb0ca8d7c47596af2a45c22b3aef15d1832d64d6588a62cab312a"
		score = 75
		quality = 74
		tags = ""
		license = "BSD 2-Clause"
		version = "1"

	strings:
		$s1 = "[X]InLoadSC" ascii wide nocase
		$s3 = "MachineKeys\\Log\\rsa.txt" ascii wide nocase
		$s4 = "MachineKeys\\Log\\output.log" ascii wide nocase

	condition:
		any of them
}

Strings (3 patterns)

Identifier	Type	Value	Modifiers
$s1	text	"[X]InLoadSC"	ascii wide nocase
$s3	text	"MachineKeys\\Log\\rsa.txt"	ascii wide nocase
$s4	text	"MachineKeys\\Log\\output.log"	ascii wide nocase

Condition

any of them

In plain words (Heuristic)

At least one pattern in the rule must match.

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References

https://github.com/eset/malware-ioc/

Licence & attribution

Author: ESET Research

Source repository: ESET malware-ioc @ 17baf44964

Licence: BSD 2-Clause License (stated in the rule's own meta)

“BSD 2-Clause”

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: e6af4516-8b79-5182-8571-7dd530632ddc

Metadata

version	1

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