YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_080_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
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-unidentified-080-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_080_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "afb0dce3-a620-523e-848e-5c7e1392b889"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_080"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_080_auto.yar#L1-L131"
= "N/A"
= "2b52161c4f8131d07a81333aa3ba5e4cbef65b4861940f4df33c7b85205fc1fa"
= 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 = { 8d3c85c0a20210 8bf3 83e61f c1e606 8b07 0fbe443004 83e001 }
$sequence_1 = { 8975f0 e8???????? 85c0 0f848a000000 8b5dec 8975d8 8975dc }
$sequence_2 = { 8b37 83c6f4 837e0400 743e 833e00 7c2a }
$sequence_3 = { 895c2434 895c2438 c744241c28290210 8b4c244c 53 8d9424a4000000 52 }
$sequence_4 = { 56 ff15???????? 89859cfdffff 83f8ff 7532 83c6f4 81fe???????? }
$sequence_5 = { 85c0 742d 33c9 c70001000000 897004 897008 66894c700c }
$sequence_6 = { e8???????? 33c9 83c424 3bc3 0f94c1 8bf1 eb1a }
$sequence_7 = { 894f08 c7442438ffffffff 8b44241c 33db 3bc3 740f }
$sequence_8 = { 8bec 83ec10 53 8bd8 ff4320 56 33f6 }
$sequence_9 = { 0fb77448fe 33c9 83fe5c 0f94c1 3bcb 7516 }
condition:
7 of them and filesize < 392192
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8d3c85c0a20210 8bf3 83e61f c1e606 8b07 0fbe443004 83e001 } | |
| $sequence_1 | hex | { 8975f0 e8???????? 85c0 0f848a000000 8b5dec 8975d8 8975dc } | |
| $sequence_2 | hex | { 8b37 83c6f4 837e0400 743e 833e00 7c2a } | |
| $sequence_3 | hex | { 895c2434 895c2438 c744241c28290210 8b4c244c 53 8d9424a4000000 52 } | |
| $sequence_4 | hex | { 56 ff15???????? 89859cfdffff 83f8ff 7532 83c6f4 81fe???????? } | |
| $sequence_5 | hex | { 85c0 742d 33c9 c70001000000 897004 897008 66894c700c } | |
| $sequence_6 | hex | { e8???????? 33c9 83c424 3bc3 0f94c1 8bf1 eb1a } | |
| $sequence_7 | hex | { 894f08 c7442438ffffffff 8b44241c 33db 3bc3 740f } | |
| $sequence_8 | hex | { 8bec 83ec10 53 8bd8 ff4320 56 33f6 } | |
| $sequence_9 | hex | { 0fb77448fe 33c9 83fe5c 0f94c1 3bcb 7516 } |
Condition
7 of them and filesize < 392192In plain words (Heuristic)
- The file must be smaller than 392192 (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: afb0dce3-a620-523e-848e-5c7e1392b889
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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