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ESET_Cw_Windows_Redline_Panel_Distinctive_Strings

Matches rare strings found in Redline panel

MalwareRedLineESET malware-iocBSD 2-Clause LicenseCompiles with YARA-X
Author
ESET Research
Date
2022-10-11
Modified
2024-11-12
Score / Quality
75 / 80

What this rule detects

Matches rare strings found in Redline panel

Associated malware family: RedLine.

Targets: Windows PE.

It defines 4 patterns (4 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
cw-windows-redline-panel-distinctive-strings.yarBSD 2-Clause License
rule ESET_Cw_Windows_Redline_Panel_Distinctive_Strings : FILE
{
	meta:
		description = "Matches rare strings found in Redline panel"
		author = "ESET Research"
		id = "d40ccb6b-e777-5c05-b97c-ead910047649"
		date = "2022-10-11"
		modified = "2024-11-12"
		reference = "https://github.com/eset/malware-ioc/"
		source_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/redline/redline.yar#L57-L77"
		license_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/LICENSE"
		hash = "a154dfaedc237c047f419eb6884dab1ef4e2a17d"
		logic_hash = "7ff0239426c4c3b46a269fad71232295c038c09f276cdc3c7f1142c830260a6d"
		score = 75
		quality = 80
		tags = "FILE"
		license = "BSD 2-Clause"
		version = 2

	strings:
		$env_var = "%DSK_23%"
		$fn_name = "IsGratherThan"
		$telegram0 = "Telegram: @REDLINESUPPORT"
		$telegram1 = "https://t.me/REDLINESUPPORT"

	condition:
		uint16( 0 ) == 0x5A4D and any of them
}

Strings (4 patterns)

IdentifierTypeValueModifiers
$env_vartext"%DSK_23%"
$fn_nametext"IsGratherThan"
$telegram0text"Telegram: @REDLINESUPPORT"
$telegram1text"https://t.me/REDLINESUPPORT"

Condition

uint16( 0 ) == 0x5A4D and any of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least one pattern in the rule must match.

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References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • a154dfaedc237c047f419eb6884dab1ef4e2a17d

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”

Copyright notice: Copyright (c) 2014-2018 ESET spol. s r.o.

Original rule

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

Rule id: d40ccb6b-e777-5c05-b97c-ead910047649

Metadata

version2

Tags:FILE

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