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YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_HKTL_Mimikatz_Skeletonkey_In_Memory_Aug20_1

Detects Mimikatz SkeletonKey in Memory

Hack toolMimikatzSignature Base (Florian Roth / Nextron)Detection Rule License 1.1Compiles with YARA-X
Author
Florian Roth (Nextron Systems)
Date
2020-08-09
Modified
2023-12-05
Score / Quality
75 / 85

What this rule detects

Detects Mimikatz SkeletonKey in Memory

Associated malware family: Mimikatz.

It defines 1 patterns (0 text, 1 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
hktl-mimikatz-skeletonkey-in-memory-aug20-1.yarDetection Rule License 1.1
rule SIGNATURE_BASE_HKTL_Mimikatz_Skeletonkey_In_Memory_Aug20_1
{
	meta:
		description = "Detects Mimikatz SkeletonKey in Memory"
		author = "Florian Roth (Nextron Systems)"
		id = "e7c1c512-e944-5d87-ac57-cdc9ab7cf660"
		date = "2020-08-09"
		modified = "2023-12-05"
		reference = "https://twitter.com/sbousseaden/status/1292143504131600384?s=12"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/gen_mimikatz.yar#L178-L190"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "0cc9a4d3b63e07a695df342bd2c96a55570502d6fd0ab9a1b61d63e28e1c3e05"
		score = 75
		quality = 85
		tags = ""

	strings:
		$x1 = { 60 ba 4f ca c7 44 24 34 dc 46 6c 7a c7 44 24 38 
              03 3c 17 81 c7 44 24 3c 94 c0 3d f6 }

	condition:
		1 of them
}

Strings (1 patterns)

IdentifierTypeValueModifiers
$x1hex{ 60 ba 4f ca c7 44 24 34 dc 46 6c 7a c7 44 24 38 03 3c 17 81 c7 44 24 3c 94 c0 3d f6 }

Condition

1 of them

In plain words (Heuristic)

  • At least 1 patterns in the rule must match.

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References

Licence & attribution

Author: Florian Roth (Nextron Systems)

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: e7c1c512-e944-5d87-ac57-cdc9ab7cf660

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