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MALPEDIA_Win_Stuxnet_Auto

autogenerated rule brought to you by yara-signator

MalwareStuxnetMalpedia 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: Stuxnet.

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

Summary generated from the rule's metadata and condition.

Rule source

win-stuxnet-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Stuxnet_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "33713859-db85-53cb-92da-bcaf3d94a143"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.stuxnet"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.stuxnet_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "0c8cce219e954862aa17ca0354bb5e042abfb23b35c8dc40c10ca72be2707f0b"
		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 = { e8???????? bef4030000 03c6 e8???????? 8845ef 834dfcff 8d45e8 }
		$sequence_1 = { c3 55 8bec 83ec44 56 6a44 8d45bc }
		$sequence_2 = { b8???????? e8???????? 81ecc8010000 53 56 57 8965f0 }
		$sequence_3 = { 53 e8???????? 8d45d8 50 56 e8???????? 8365fc00 }
		$sequence_4 = { ff75e8 ff15???????? 85c0 0f85defeffff eb1a 8d45ac 50 }
		$sequence_5 = { c645fc05 8d45f0 50 e8???????? c645fc04 8b75e8 3bf3 }
		$sequence_6 = { e8???????? 50 8d470c 50 ff15???????? 83670800 8d8714020000 }
		$sequence_7 = { 8b5d08 56 6880000000 8bc3 e8???????? 8bf0 59 }
		$sequence_8 = { e8???????? 8b4c2410 8988b4000000 8b4c2414 8988b8000000 834c2424ff 8d44240c }
		$sequence_9 = { c645fc03 8d462c 50 895e24 895e28 e8???????? 59 }

	condition:
		7 of them and filesize < 2495488
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ e8???????? bef4030000 03c6 e8???????? 8845ef 834dfcff 8d45e8 }
$sequence_1hex{ c3 55 8bec 83ec44 56 6a44 8d45bc }
$sequence_2hex{ b8???????? e8???????? 81ecc8010000 53 56 57 8965f0 }
$sequence_3hex{ 53 e8???????? 8d45d8 50 56 e8???????? 8365fc00 }
$sequence_4hex{ ff75e8 ff15???????? 85c0 0f85defeffff eb1a 8d45ac 50 }
$sequence_5hex{ c645fc05 8d45f0 50 e8???????? c645fc04 8b75e8 3bf3 }
$sequence_6hex{ e8???????? 50 8d470c 50 ff15???????? 83670800 8d8714020000 }
$sequence_7hex{ 8b5d08 56 6880000000 8bc3 e8???????? 8bf0 59 }
$sequence_8hex{ e8???????? 8b4c2410 8988b4000000 8b4c2414 8988b8000000 834c2424ff 8d44240c }
$sequence_9hex{ c645fc03 8d462c 50 895e24 895e28 e8???????? 59 }

Condition

7 of them and filesize < 2495488

In plain words (Heuristic)

  • The file must be smaller than 2495488 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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Open in editor

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: 33713859-db85-53cb-92da-bcaf3d94a143

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