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SIGNATURE_BASE_HKTL_NET_GUID_Sharpc2

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-sharpc2.yarDetection Rule License 1.1
rule SIGNATURE_BASE_HKTL_NET_GUID_Sharpc2 : FILE
{
	meta:
		description = "Detects c# red/black-team tools via typelibguid"
		author = "Arnim Rupp (https://github.com/ruppde)"
		id = "2ed6d74e-2b95-5c70-807a-4da5e62f5853"
		date = "2020-12-13"
		modified = "2025-08-15"
		reference = "https://github.com/SharpC2/SharpC2"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/gen_github_net_redteam_tools_guids.yar#L446-L464"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "5439cbe057d5735e3d35ac01966fc65ca0727e1c1c353564d38d1c20bb04484a"
		score = 75
		quality = 85
		tags = "FILE"
		license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"

	strings:
		$typelibguid0lo = "62b9ee4f-1436-4098-9bc1-dd61b42d8b81" ascii wide
		$typelibguid1lo = "d2f17a91-eb2d-4373-90bf-a26e46c68f76" ascii wide
		$typelibguid2lo = "a9db9fcc-7502-42cd-81ec-3cd66f511346" ascii wide
		$typelibguid3lo = "ca6cc2ee-75fd-4f00-b687-917fa55a4fae" ascii wide
		$typelibguid4lo = "a1167b68-446b-4c0c-a8b8-2a7278b67511" ascii wide
		$typelibguid5lo = "4d8c2a88-1da5-4abe-8995-6606473d7cf1" ascii wide

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

Strings (6 patterns)

IdentifierTypeValueModifiers
$typelibguid0lotext"62b9ee4f-1436-4098-9bc1-dd61b42d8b81"ascii wide
$typelibguid1lotext"d2f17a91-eb2d-4373-90bf-a26e46c68f76"ascii wide
$typelibguid2lotext"a9db9fcc-7502-42cd-81ec-3cd66f511346"ascii wide
$typelibguid3lotext"ca6cc2ee-75fd-4f00-b687-917fa55a4fae"ascii wide
$typelibguid4lotext"a1167b68-446b-4c0c-a8b8-2a7278b67511"ascii wide
$typelibguid5lotext"4d8c2a88-1da5-4abe-8995-6606473d7cf1"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: 2ed6d74e-2b95-5c70-807a-4da5e62f5853

Tags:FILE

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