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YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_HKTL_NET_GUID_Thehacktoolboxteek

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

Summary generated from the rule's metadata and condition.

Rule source

hktl-net-guid-thehacktoolboxteek.yarDetection Rule License 1.1
rule SIGNATURE_BASE_HKTL_NET_GUID_Thehacktoolboxteek : FILE
{
	meta:
		description = "Detects c# red/black-team tools via typelibguid"
		author = "Arnim Rupp (https://github.com/ruppde)"
		id = "ad8cf2c8-f70e-5f46-92fa-46e1fa5e683c"
		date = "2020-12-13"
		modified = "2025-08-15"
		reference = "https://github.com/teeknofil/TheHackToolBoxTeek"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/gen_github_net_redteam_tools_guids.yar#L1870-L1889"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "f18d6be2789371f3db649d0df3fc31a2e97604b399873c9843c1e08c981be0da"
		score = 75
		quality = 85
		tags = "FILE"
		license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"

	strings:
		$typelibguid0lo = "2aa8c254-b3b3-469c-b0c9-dcbe1dd101c0" ascii wide
		$typelibguid1lo = "afeff505-14c1-4ecf-b714-abac4fbd48e7" ascii wide
		$typelibguid2lo = "4cf42167-a5cf-4b2d-85b4-8e764c08d6b3" ascii wide
		$typelibguid3lo = "118a90b7-598a-4cfc-859e-8013c8b9339c" ascii wide
		$typelibguid4lo = "3075dd9a-4283-4d38-a25e-9f9845e5adcb" ascii wide
		$typelibguid5lo = "295655e8-2348-4700-9ebc-aa57df54887e" ascii wide
		$typelibguid6lo = "74efe601-9a93-46c3-932e-b80ab6570e42" ascii wide

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

Strings (7 patterns)

IdentifierTypeValueModifiers
$typelibguid0lotext"2aa8c254-b3b3-469c-b0c9-dcbe1dd101c0"ascii wide
$typelibguid1lotext"afeff505-14c1-4ecf-b714-abac4fbd48e7"ascii wide
$typelibguid2lotext"4cf42167-a5cf-4b2d-85b4-8e764c08d6b3"ascii wide
$typelibguid3lotext"118a90b7-598a-4cfc-859e-8013c8b9339c"ascii wide
$typelibguid4lotext"3075dd9a-4283-4d38-a25e-9f9845e5adcb"ascii wide
$typelibguid5lotext"295655e8-2348-4700-9ebc-aa57df54887e"ascii wide
$typelibguid6lotext"74efe601-9a93-46c3-932e-b80ab6570e42"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: ad8cf2c8-f70e-5f46-92fa-46e1fa5e683c

Tags:FILE