YARA · Malpedia signator rules
MALPEDIA_Win_Onionduke_Auto
autogenerated rule brought to you by yara-signator
MalwareOniondukeMalpedia 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: Onionduke.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-onionduke-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Onionduke_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "71e82643-c451-5cee-a54f-f2f1027d62a5"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.onionduke"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.onionduke_auto.yar#L1-L115"
= "N/A"
= "8162ef402e46513fc9aae2241eef790e5a3e093ead89108a1e0c2f51f5d76e98"
= 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 = { 42 3bd7 72b9 5e c6047800 5f 5d }
$sequence_1 = { 5f 895e24 5b b801000000 5e }
$sequence_2 = { 8a441103 3245ff 41 0fb6d0 6689544ffe 3bce }
$sequence_3 = { 7202 8b00 8b4d08 51 50 e8???????? }
$sequence_4 = { 8b03 7922 8b5008 56 }
$sequence_5 = { 84c9 7421 8b55fc 8a12 }
$sequence_6 = { 8b4604 8b4e08 2bc8 c1f903 3bcf 770a }
$sequence_7 = { 83c40c 33c9 eb08 8b56d0 }
$sequence_8 = { 83c404 8903 85c0 7443 }
$sequence_9 = { 33c9 c7070f000000 894ffc 880b 833e10 }
condition:
7 of them and filesize < 671744
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 42 3bd7 72b9 5e c6047800 5f 5d } | |
| $sequence_1 | hex | { 5f 895e24 5b b801000000 5e } | |
| $sequence_2 | hex | { 8a441103 3245ff 41 0fb6d0 6689544ffe 3bce } | |
| $sequence_3 | hex | { 7202 8b00 8b4d08 51 50 e8???????? } | |
| $sequence_4 | hex | { 8b03 7922 8b5008 56 } | |
| $sequence_5 | hex | { 84c9 7421 8b55fc 8a12 } | |
| $sequence_6 | hex | { 8b4604 8b4e08 2bc8 c1f903 3bcf 770a } | |
| $sequence_7 | hex | { 83c40c 33c9 eb08 8b56d0 } | |
| $sequence_8 | hex | { 83c404 8903 85c0 7443 } | |
| $sequence_9 | hex | { 33c9 c7070f000000 894ffc 880b 833e10 } |
Condition
7 of them and filesize < 671744In plain words (Heuristic)
- The file must be smaller than 671744 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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: 71e82643-c451-5cee-a54f-f2f1027d62a5
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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