YARA · Malpedia signator rules
MALPEDIA_Win_Miuref_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: Miuref.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-miuref-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Miuref_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "b336ee94-9da0-5e33-a775-7f1d3caeebd3"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.miuref"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.miuref_auto.yar#L1-L131"
= "N/A"
= "913d762ad4796e031c609fe4719452713481e30eb4e037000680f101f2550080"
= 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 = { 59 59 8945fc 85f6 760e 803c072e 7418 }
$sequence_1 = { 68???????? 68ff0f0000 e8???????? 83c428 c9 c3 55 }
$sequence_2 = { e8???????? 894534 6a02 8d4528 50 68???????? ff757c }
$sequence_3 = { 6a20 50 e8???????? 8d45f4 6a3b 50 }
$sequence_4 = { 891e 895e04 897e08 7411 8d043f 50 ff742414 }
$sequence_5 = { 894534 6a02 8d4528 50 68???????? ff757c e8???????? }
$sequence_6 = { 85c0 7611 8b7510 660fbe3431 6689344a }
$sequence_7 = { 50 57 e8???????? 0fbe442420 53 50 8b07 }
$sequence_8 = { c7807c020000d9874d93 a1???????? c7808002000022a944ac a1???????? c78084020000146a6d8c a1???????? c7808802000083c1f01c }
$sequence_9 = { 8903 e8???????? 83c420 894510 85c0 7463 8d45d8 }
condition:
7 of them and filesize < 180224
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 59 59 8945fc 85f6 760e 803c072e 7418 } | |
| $sequence_1 | hex | { 68???????? 68ff0f0000 e8???????? 83c428 c9 c3 55 } | |
| $sequence_2 | hex | { e8???????? 894534 6a02 8d4528 50 68???????? ff757c } | |
| $sequence_3 | hex | { 6a20 50 e8???????? 8d45f4 6a3b 50 } | |
| $sequence_4 | hex | { 891e 895e04 897e08 7411 8d043f 50 ff742414 } | |
| $sequence_5 | hex | { 894534 6a02 8d4528 50 68???????? ff757c e8???????? } | |
| $sequence_6 | hex | { 85c0 7611 8b7510 660fbe3431 6689344a } | |
| $sequence_7 | hex | { 50 57 e8???????? 0fbe442420 53 50 8b07 } | |
| $sequence_8 | hex | { c7807c020000d9874d93 a1???????? c7808002000022a944ac a1???????? c78084020000146a6d8c a1???????? c7808802000083c1f01c } | |
| $sequence_9 | hex | { 8903 e8???????? 83c420 894510 85c0 7463 8d45d8 } |
Condition
7 of them and filesize < 180224In plain words (Heuristic)
- The file must be smaller than 180224 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: b336ee94-9da0-5e33-a775-7f1d3caeebd3
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
Related rules
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04