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YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_Crime_Win32_Dridex_Socks5_Mod

Detects Dridex socks5 module

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 Dridex socks5 module

Targets: Windows PE.

It defines 2 patterns (2 text, 0 hex, 0 regex). 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-dridex-socks5-mod.yarDetection Rule License 1.1
import "pe"

rule SIGNATURE_BASE_Crime_Win32_Dridex_Socks5_Mod
{
	meta:
		description = "Detects Dridex socks5 module"
		author = "@VK_Intel"
		id = "cee256b1-ad80-55dd-bbd3-0d3f7bc49664"
		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#L8-L20"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "5ca09e9c7d94e949e453d1bb69b566c12b253579cbcae700929d4f517df35a0a"
		score = 75
		quality = 85
		tags = ""

	strings:
		$s0 = "socks5_2_x32.dll"
		$s1 = "socks5_2_x64.dll"

	condition:
		any of ( $s* ) and pe.exports ( "start" )
}

Strings (2 patterns)

IdentifierTypeValueModifiers
$s0text"socks5_2_x32.dll"
$s1text"socks5_2_x64.dll"

Condition

any of ( $s* ) and pe.exports ( "start" )

In plain words (Heuristic)

  • At least one pattern in ( $s* ) must match.
  • Uses the pe module.
  • Checks exported functions or the DLL name.

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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: cee256b1-ad80-55dd-bbd3-0d3f7bc49664

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