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DITEKSHEN_MALWARE_Win_Dlagentgo

Detects Go-based downloader

MalwareDlagentgoditekSHen 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 Go-based downloader

Associated malware family: Dlagentgo.

Targets: Windows PE.

It defines 6 patterns (6 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
malware-win-dlagentgo.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Dlagentgo : FILE
{
	meta:
		description = "Detects Go-based downloader"
		author = "ditekSHen"
		id = "e16ccb89-2eb6-5457-a88e-f802f3c35764"
		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#L5131-L5144"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "b9dd2446eddff18be00feb34d8911600feb395a9ce2566786d42b48b444230d0"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "main.downloadFile" fullword ascii
		$s2 = "main.fetchFiles" fullword ascii
		$s3 = "main.createDefenderAllowanceException" fullword ascii
		$s4 = "main.unzip" fullword ascii
		$s5 = "HideWindow" fullword ascii
		$s6 = "/go/src/installwrap/main.go" ascii

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

Strings (6 patterns)

IdentifierTypeValueModifiers
$s1text"main.downloadFile"fullword ascii
$s2text"main.fetchFiles"fullword ascii
$s3text"main.createDefenderAllowanceException"fullword ascii
$s4text"main.unzip"fullword ascii
$s5text"HideWindow"fullword ascii
$s6text"/go/src/installwrap/main.go"ascii

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: e16ccb89-2eb6-5457-a88e-f802f3c35764

Tags:FILE

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