Skip to content
yararules.org
Menu

YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_Crime_Win32_Hvnc_Banker_Gen

Detects malware banker hidden VNC

MalwareSignature Base (Florian Roth / Nextron)Detection Rule License 1.1Compiles with YARA-X
Author
@VK_Intel
Date
2020-04-06
Modified
2023-12-05
Score / Quality
75 / 85

What this rule detects

Detects malware banker hidden VNC

Targets: Windows PE.

It has no patterns: the condition alone decides (modules, file properties or other rules). YARA modules used: pe.

Summary generated from the rule's metadata and condition.

Rule source

Download .yar

Includes the imports needed to compile it on its own.

crime-win32-hvnc-banker-gen.yarDetection Rule License 1.1
import "pe"

rule SIGNATURE_BASE_Crime_Win32_Hvnc_Banker_Gen
{
	meta:
		description = "Detects malware banker hidden VNC"
		author = "@VK_Intel"
		id = "5e13f4a9-2231-524f-82b2-fbc6d6a43b6f"
		date = "2020-04-06"
		modified = "2023-12-05"
		reference = "https://twitter.com/VK_Intel/status/1247058432223477760"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/crime_evilcorp_dridex_banker.yar#L22-L31"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "b01af685c3826834aadaf4eac1f1d8171db288a2efa7b769d8122421f7af8d7e"
		score = 75
		quality = 85
		tags = ""

	condition:
		pe.exports( "VncStartServer" ) and pe.exports ( "VncStopServer" )
}

Condition

pe.exports( "VncStartServer" ) and pe.exports ( "VncStopServer" )

In plain words (Heuristic)

  • Uses the pe module.
  • Checks exported functions or the DLL name.

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: @VK_Intel

Source repository: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a

Licence: Detection Rule License 1.1 (repository licence)

Original rule

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

Rule id: 5e13f4a9-2231-524f-82b2-fbc6d6a43b6f

Related rules