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MALPEDIA_Win_Duqu_Auto

autogenerated rule brought to you by yara-signator

MalwareDuquMalpedia 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: Duqu.

It defines 16 patterns (0 text, 16 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-duqu-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Duqu_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1b7ddae2-9d4f-55d9-a33a-8e02d1c0d30f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.duqu"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.duqu_auto.yar#L1-L165"
		license_url = "N/A"
		logic_hash = "b1c4299b66f23ea612df73dceb823e0a0151b3112b55ca56ad9d74306040c982"
		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 = { 83e007 c1e009 05270ca208 0faf442420 33c1 42 }
		$sequence_1 = { 53 56 57 e8???????? 8bf0 ba5b553fbc }
		$sequence_2 = { e8???????? 8bd8 8d442438 6a01 }
		$sequence_3 = { 8b442420 33d9 8b4c2414 40 49 89442420 894c2414 }
		$sequence_4 = { 56 51 8bf2 e8???????? }
		$sequence_5 = { 0fafc3 33c1 46 8bd8 4a 8a06 84c0 }
		$sequence_6 = { e8???????? 894620 85c0 0f84f6010000 baec8ce154 }
		$sequence_7 = { 1bc0 f7d0 21442414 8d442430 50 ff5324 }
		$sequence_8 = { ff9088000000 8bd6 8bc8 e8???????? 5e }
		$sequence_9 = { 8bd3 8bf1 e8???????? 8b75fc }
		$sequence_10 = { 8bd3 e8???????? 8b15???????? 33c9 }
		$sequence_11 = { 8bec 51 a1???????? 56 8b35???????? 57 6a19 }
		$sequence_12 = { 8bd3 8bcf e8???????? 85c0 7405 33c0 }
		$sequence_13 = { 8bd3 8d4900 0fb641fe 0fb669ff }
		$sequence_14 = { 8bd3 8bcf ff542424 8b4708 }
		$sequence_15 = { 8bd3 ff542424 3bee 75af }

	condition:
		7 of them and filesize < 18759680
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 83e007 c1e009 05270ca208 0faf442420 33c1 42 }
$sequence_1hex{ 53 56 57 e8???????? 8bf0 ba5b553fbc }
$sequence_2hex{ e8???????? 8bd8 8d442438 6a01 }
$sequence_3hex{ 8b442420 33d9 8b4c2414 40 49 89442420 894c2414 }
$sequence_4hex{ 56 51 8bf2 e8???????? }
$sequence_5hex{ 0fafc3 33c1 46 8bd8 4a 8a06 84c0 }
$sequence_6hex{ e8???????? 894620 85c0 0f84f6010000 baec8ce154 }
$sequence_7hex{ 1bc0 f7d0 21442414 8d442430 50 ff5324 }
$sequence_8hex{ ff9088000000 8bd6 8bc8 e8???????? 5e }
$sequence_9hex{ 8bd3 8bf1 e8???????? 8b75fc }
$sequence_10hex{ 8bd3 e8???????? 8b15???????? 33c9 }
$sequence_11hex{ 8bec 51 a1???????? 56 8b35???????? 57 6a19 }
$sequence_12hex{ 8bd3 8bcf e8???????? 85c0 7405 33c0 }
$sequence_13hex{ 8bd3 8d4900 0fb641fe 0fb669ff }
$sequence_14hex{ 8bd3 8bcf ff542424 8b4708 }
$sequence_15hex{ 8bd3 ff542424 3bee 75af }

Condition

7 of them and filesize < 18759680

In plain words (Heuristic)

  • The file must be smaller than 18759680 (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: 1b7ddae2-9d4f-55d9-a33a-8e02d1c0d30f

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