YARA · Malpedia signator rules
MALPEDIA_Win_Smominru_Auto
autogenerated rule brought to you by yara-signator
MalwareSmominruMalpedia 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: Smominru.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-smominru-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Smominru_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "5560f5a4-6d36-52e8-b0a3-87600a32da71"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.smominru"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.smominru_auto.yar#L1-L164"
= "N/A"
= "b59a8daa7966062e2a126c7667de606ff71ee610130b33d75a8ff84bd6a35409"
= 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 = { 8b55fc f76a14 8bd0 c1e202 }
$sequence_1 = { 0f843537ac7b 8bc8 81e103000010 83f903 }
$sequence_2 = { 8bc6 5e c9 c20800 8d7f00 55 }
$sequence_3 = { 8b55fc e8???????? eb18 8d45ec }
$sequence_4 = { 8b4e1c 89481c 8b4e20 894820 8b4e24 894824 8b4e28 }
$sequence_5 = { 8b55fc e8???????? f645fb02 740c }
$sequence_6 = { 8b55fc e8???????? f7c600040000 742c }
$sequence_7 = { 0f8478a6aa7b 8b7514 85f6 0f84d9a4aa7b 8bce e8???????? 3d00010000 }
$sequence_8 = { 89461c 8b85f0fdffff 894620 8bc3 5b 8b4dfc 33cd }
$sequence_9 = { 0f850647c07b c745e400000000 8b37 8975e0 85f6 0f842bfebb7b 83feff }
$sequence_10 = { 8b55fc ff560c 8b450c ff00 }
$sequence_11 = { 50 ff15???????? 81fe200100c0 0f84f32db37b 33c0 }
$sequence_12 = { 8b55fc f76a14 c1e002 50 }
$sequence_13 = { 8b55fc f6427001 0f848c000000 8b55dc }
$sequence_14 = { 8945f8 e8???????? 8b401c 6a00 }
$sequence_15 = { 8b55fc e8???????? e9???????? a1???????? 8b00 80787c00 0f84a7000000 }
condition:
7 of them and filesize < 8167424
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b55fc f76a14 8bd0 c1e202 } | |
| $sequence_1 | hex | { 0f843537ac7b 8bc8 81e103000010 83f903 } | |
| $sequence_2 | hex | { 8bc6 5e c9 c20800 8d7f00 55 } | |
| $sequence_3 | hex | { 8b55fc e8???????? eb18 8d45ec } | |
| $sequence_4 | hex | { 8b4e1c 89481c 8b4e20 894820 8b4e24 894824 8b4e28 } | |
| $sequence_5 | hex | { 8b55fc e8???????? f645fb02 740c } | |
| $sequence_6 | hex | { 8b55fc e8???????? f7c600040000 742c } | |
| $sequence_7 | hex | { 0f8478a6aa7b 8b7514 85f6 0f84d9a4aa7b 8bce e8???????? 3d00010000 } | |
| $sequence_8 | hex | { 89461c 8b85f0fdffff 894620 8bc3 5b 8b4dfc 33cd } | |
| $sequence_9 | hex | { 0f850647c07b c745e400000000 8b37 8975e0 85f6 0f842bfebb7b 83feff } | |
| $sequence_10 | hex | { 8b55fc ff560c 8b450c ff00 } | |
| $sequence_11 | hex | { 50 ff15???????? 81fe200100c0 0f84f32db37b 33c0 } | |
| $sequence_12 | hex | { 8b55fc f76a14 c1e002 50 } | |
| $sequence_13 | hex | { 8b55fc f6427001 0f848c000000 8b55dc } | |
| $sequence_14 | hex | { 8945f8 e8???????? 8b401c 6a00 } | |
| $sequence_15 | hex | { 8b55fc e8???????? e9???????? a1???????? 8b00 80787c00 0f84a7000000 } |
Condition
7 of them and filesize < 8167424In plain words (Heuristic)
- The file must be smaller than 8167424 (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: 5560f5a4-6d36-52e8-b0a3-87600a32da71
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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