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YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_HKTL_NET_GUID_Deviceguardbypasses

Detects c# red/black-team tools via typelibguid

Hack toolSignature Base (Florian Roth / Nextron)Detection Rule License 1.1Compiles with YARA-X
Author
Arnim Rupp (https://github.com/ruppde)
Date
2020-12-13
Modified
2025-08-15
Score / Quality
75 / 85

What this rule detects

Detects c# red/black-team tools via typelibguid

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
hktl-net-guid-deviceguardbypasses.yarDetection Rule License 1.1
rule SIGNATURE_BASE_HKTL_NET_GUID_Deviceguardbypasses : FILE
{
	meta:
		description = "Detects c# red/black-team tools via typelibguid"
		author = "Arnim Rupp (https://github.com/ruppde)"
		id = "3790faac-b5be-5999-b35f-71a2ef02b6ed"
		date = "2020-12-13"
		modified = "2025-08-15"
		reference = "https://github.com/tyranid/DeviceGuardBypasses"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/gen_github_net_redteam_tools_guids.yar#L1817-L1835"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "aff1a0236c532d5822a440f1d9a0a0265b422ebe0b53d799d53e838aef5f64ad"
		score = 75
		quality = 85
		tags = "FILE"
		license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"

	strings:
		$typelibguid0lo = "f318466d-d310-49ad-a967-67efbba29898" ascii wide
		$typelibguid1lo = "3705800f-1424-465b-937d-586e3a622a4f" ascii wide
		$typelibguid2lo = "256607c2-4126-4272-a2fa-a1ffc0a734f0" ascii wide
		$typelibguid3lo = "4e6ceea1-f266-401c-b832-f91432d46f42" ascii wide
		$typelibguid4lo = "1e6e9b03-dd5f-4047-b386-af7a7904f884" ascii wide
		$typelibguid5lo = "d85e3601-0421-4efa-a479-f3370c0498fd" ascii wide

	condition:
		( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and any of them
}

Strings (6 patterns)

IdentifierTypeValueModifiers
$typelibguid0lotext"f318466d-d310-49ad-a967-67efbba29898"ascii wide
$typelibguid1lotext"3705800f-1424-465b-937d-586e3a622a4f"ascii wide
$typelibguid2lotext"256607c2-4126-4272-a2fa-a1ffc0a734f0"ascii wide
$typelibguid3lotext"4e6ceea1-f266-401c-b832-f91432d46f42"ascii wide
$typelibguid4lotext"1e6e9b03-dd5f-4047-b386-af7a7904f884"ascii wide
$typelibguid5lotext"d85e3601-0421-4efa-a479-f3370c0498fd"ascii wide

Condition

( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and any of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least one pattern in the rule must match.

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References

Licence & attribution

Author: Arnim Rupp (https://github.com/ruppde)

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

Licence: Detection Rule License 1.1 (stated in the rule's own meta)

“Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE”

Original rule

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

Rule id: 3790faac-b5be-5999-b35f-71a2ef02b6ed

Tags:FILE

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