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DITEKSHEN_MALWARE_Win_Karaganylistrix

Detects Karagany/xFrost Listrix module

MalwareKaraganylistrixditekSHen detectionBSD 2-Clause LicenseCompiles with YARA-X
Author
ditekSHen
Date
2020-11-06
Modified
2024-11-01
Score / Quality
75 / 75

What this rule detects

Detects Karagany/xFrost Listrix module

Associated malware family: Karaganylistrix.

Targets: Windows PE.

It defines 5 patterns (5 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
malware-win-karaganylistrix.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Karaganylistrix : FILE
{
	meta:
		description = "Detects Karagany/xFrost Listrix module"
		author = "ditekSHen"
		id = "837cc9e7-eefb-530c-854b-51bb4444ae78"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L3057-L3069"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "02216061dbe93b7bea108f4b27c052d87c14cfe9395c6c5d4eed46ed7819e7ae"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "\\Update\\Tmp\\" wide
		$s2 = "*pass*.*" fullword wide
		$s3 = ">> NUL" wide
		$s4 = "%02d.%02d.%04d %02d:%02d" wide
		$s5 = "/c del" wide

	condition:
		uint16( 0 ) == 0x5a4d and 4 of them
}

Strings (5 patterns)

IdentifierTypeValueModifiers
$s1text"\\Update\\Tmp\\"wide
$s2text"*pass*.*"fullword wide
$s3text">> NUL"wide
$s4text"%02d.%02d.%04d %02d:%02d"wide
$s5text"/c del"wide

Condition

uint16( 0 ) == 0x5a4d and 4 of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least 4 patterns in the rule must match.

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References

Licence & attribution

Author: ditekSHen

Source repository: ditekSHen detection @ e76c93dcde

Licence: BSD 2-Clause License (repository licence)

Copyright notice: Copyright 2021 by ditekSHen (https://github.com/ditekshen/detection).

Original rule

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

Rule id: 837cc9e7-eefb-530c-854b-51bb4444ae78

Tags:FILE

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