Skip to content
yararules.org
Menu

YARA · ditekSHen detection

DITEKSHEN_MALWARE_Win_Venomrat

Detects VenomRAT

MalwareVenomratditekSHen 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 VenomRAT

Associated malware family: Venomrat.

Targets: Windows PE.

It defines 7 patterns (7 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
malware-win-venomrat.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Venomrat : FILE
{
	meta:
		description = "Detects VenomRAT"
		author = "ditekSHen"
		id = "93cd5ae3-c222-51a2-bbb9-bdd3254006e5"
		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#L11156-L11170"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "47d343def76a323c66db4ba6fb1c0d119f45323f9b7f36695e4aeb7b070819d7"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$x1 = "Venom RAT + HVNC" fullword ascii
		$x2 = "Venom" fullword ascii
		$x3 = "VenomByVenom" fullword wide
		$s1 = "/c schtasks /create /f /sc onlogon /rl highest /tn \"" fullword wide
		$s2 = "UmVjZWl2ZWQ" wide
		$s3 = "Pac_ket" fullword wide
		$s4 = "Po_ng" fullword wide

	condition:
		uint16( 0 ) == 0x5a4d and ( 1 of ( $x* ) and 2 of ( $s* ) )
}

Strings (7 patterns)

IdentifierTypeValueModifiers
$x1text"Venom RAT + HVNC"fullword ascii
$x2text"Venom"fullword ascii
$x3text"VenomByVenom"fullword wide
$s1text"/c schtasks /create /f /sc onlogon /rl highest /tn \""fullword wide
$s2text"UmVjZWl2ZWQ"wide
$s3text"Pac_ket"fullword wide
$s4text"Po_ng"fullword wide

Condition

uint16( 0 ) == 0x5a4d and ( 1 of ( $x* ) and 2 of ( $s* ) )

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least 1 patterns in ( $x* ) must match.
  • At least 2 patterns in ( $s* ) must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

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: 93cd5ae3-c222-51a2-bbb9-bdd3254006e5

Tags:FILE

Related rules