YARA · Malpedia signator rules
MALPEDIA_Win_Duqu_Auto
autogenerated rule brought to you by yara-signator
- 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:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1b7ddae2-9d4f-55d9-a33a-8e02d1c0d30f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.duqu"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.duqu_auto.yar#L1-L165"
= "N/A"
= "b1c4299b66f23ea612df73dceb823e0a0151b3112b55ca56ad9d74306040c982"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "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)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83e007 c1e009 05270ca208 0faf442420 33c1 42 } | |
| $sequence_1 | hex | { 53 56 57 e8???????? 8bf0 ba5b553fbc } | |
| $sequence_2 | hex | { e8???????? 8bd8 8d442438 6a01 } | |
| $sequence_3 | hex | { 8b442420 33d9 8b4c2414 40 49 89442420 894c2414 } | |
| $sequence_4 | hex | { 56 51 8bf2 e8???????? } | |
| $sequence_5 | hex | { 0fafc3 33c1 46 8bd8 4a 8a06 84c0 } | |
| $sequence_6 | hex | { e8???????? 894620 85c0 0f84f6010000 baec8ce154 } | |
| $sequence_7 | hex | { 1bc0 f7d0 21442414 8d442430 50 ff5324 } | |
| $sequence_8 | hex | { ff9088000000 8bd6 8bc8 e8???????? 5e } | |
| $sequence_9 | hex | { 8bd3 8bf1 e8???????? 8b75fc } | |
| $sequence_10 | hex | { 8bd3 e8???????? 8b15???????? 33c9 } | |
| $sequence_11 | hex | { 8bec 51 a1???????? 56 8b35???????? 57 6a19 } | |
| $sequence_12 | hex | { 8bd3 8bcf e8???????? 85c0 7405 33c0 } | |
| $sequence_13 | hex | { 8bd3 8d4900 0fb641fe 0fb669ff } | |
| $sequence_14 | hex | { 8bd3 8bcf ff542424 8b4708 } | |
| $sequence_15 | hex | { 8bd3 ff542424 3bee 75af } |
Condition
7 of them and filesize < 18759680In 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.
Test this rule in your browser
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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)
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
| 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 |
Tags:FILE
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