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DITEKSHEN_MALWARE_Win_Graphicalproton_Rsockstun

Detects GraphicalProton custom rsockstun

MalwareGraphicalprotonditekSHen 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 GraphicalProton custom rsockstun

Associated malware family: Graphicalproton.

Targets: Windows PE.

It defines 8 patterns (8 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
malware-win-graphicalproton-rsockstun.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Graphicalproton_Rsockstun : FILE
{
	meta:
		description = "Detects GraphicalProton custom rsockstun"
		author = "ditekShen"
		id = "5efa85f6-7e73-53a1-92df-4cb975e62345"
		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#L11271-L11286"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "ca4d18160b89d82106310237cf81bba57a7f51be77a31d2f18ca8c2987972c2c"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$m1 = "main.connectviaproxy" ascii
		$m2 = "main.connectForSocks" ascii
		$m3 = "main.listenForClients" ascii
		$m4 = "main.listenForSocks" ascii
		$s1 = "Proxy-Authorization: NTLM TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA=" ascii
		$s2 = "Server: nginx/1.14.1" ascii
		$s3 = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36" ascii
		$s4 = "wine_get" ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( ( all of ( $m* ) and 2 of ( $s* ) ) or ( all of ( $s* ) and 1 of ( $m* ) ) or 7 of them )
}

Strings (8 patterns)

IdentifierTypeValueModifiers
$m1text"main.connectviaproxy"ascii
$m2text"main.connectForSocks"ascii
$m3text"main.listenForClients"ascii
$m4text"main.listenForSocks"ascii
$s1text"Proxy-Authorization: NTLM TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA="ascii
$s2text"Server: nginx/1.14.1"ascii
$s3text"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36"ascii
$s4text"wine_get"ascii

Condition

uint16( 0 ) == 0x5a4d and ( ( all of ( $m* ) and 2 of ( $s* ) ) or ( all of ( $s* ) and 1 of ( $m* ) ) or 7 of them )

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • All patterns in ( $m* ) must match.
  • All patterns in ( $s* ) must match.
  • At least 2 patterns in ( $s* ) must match.
  • At least 1 patterns in ( $m* ) must match.
  • At least 7 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: 5efa85f6-7e73-53a1-92df-4cb975e62345

Tags:FILE

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