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MALPEDIA_Win_Aukill_Auto

autogenerated rule brought to you by yara-signator

MalwareAukillMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Aukill.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-aukill-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Aukill_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "29f3bf29-e1fb-5dd5-9c74-7f55118e2b65"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.aukill"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.aukill_auto.yar#L1-L119"
		license_url = "N/A"
		logic_hash = "66d21229612adc1e14001dfcd4c2eb0216894dbbdc136931825092ed2004b0e8"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { 48895c2408 57 4883ec40 0fb7da 8bf9 e8???????? }
		$sequence_1 = { b940040000 ff15???????? 488bd8 4885c0 }
		$sequence_2 = { f20f11442438 660f7ec8 3bc7 751d 488b442428 48c1e830 }
		$sequence_3 = { 0fb7da 8bf9 e8???????? 4c8bc8 }
		$sequence_4 = { 57 4883ec60 488bfa 8bd9 e8???????? 33c9 }
		$sequence_5 = { 85c0 751f 488b4c2458 ff15???????? ff15???????? }
		$sequence_6 = { 33c0 4889442428 c744243001000000 c744243c02000000 448d4810 4889442420 ff15???????? }
		$sequence_7 = { 488b0d???????? 48897c2458 4889442448 ff15???????? }
		$sequence_8 = { 7346 4b8d1440 410f104cd108 0f114c2428 f2410f1044d118 f20f11442438 }
		$sequence_9 = { 48895c2408 57 4883ec60 488bfa 8bd9 e8???????? 33c9 }

	condition:
		7 of them and filesize < 446464
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 48895c2408 57 4883ec40 0fb7da 8bf9 e8???????? }
$sequence_1hex{ b940040000 ff15???????? 488bd8 4885c0 }
$sequence_2hex{ f20f11442438 660f7ec8 3bc7 751d 488b442428 48c1e830 }
$sequence_3hex{ 0fb7da 8bf9 e8???????? 4c8bc8 }
$sequence_4hex{ 57 4883ec60 488bfa 8bd9 e8???????? 33c9 }
$sequence_5hex{ 85c0 751f 488b4c2458 ff15???????? ff15???????? }
$sequence_6hex{ 33c0 4889442428 c744243001000000 c744243c02000000 448d4810 4889442420 ff15???????? }
$sequence_7hex{ 488b0d???????? 48897c2458 4889442448 ff15???????? }
$sequence_8hex{ 7346 4b8d1440 410f104cd108 0f114c2428 f2410f1044d118 f20f11442438 }
$sequence_9hex{ 48895c2408 57 4883ec60 488bfa 8bd9 e8???????? 33c9 }

Condition

7 of them and filesize < 446464

In plain words (Heuristic)

  • The file must be smaller than 446464 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

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

Rule id: 29f3bf29-e1fb-5dd5-9c74-7f55118e2b65

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE