YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_076_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-076-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_076_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "4aac4f6a-0ad2-5a3d-8c22-f68bd89c2176"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_076"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_076_auto.yar#L1-L129"
= "N/A"
= "c53f44d934f31243451206accc801c3ce4f30b9ff0072fe283950159f10fde1f"
= 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 = { 488bcb ff9040070000 488b87c8000000 4c634e04 8b8f48030000 4c8bc3 ba78000000 }
$sequence_1 = { 488bcf e8???????? 448b8c2418010000 4181f9c8000000 0f8f46ffffff 498bc4 803c03ad }
$sequence_2 = { 44897dff 48894503 4889450b 48894513 89451b 44897d1f 48894527 }
$sequence_3 = { ff15???????? ff15???????? 448bc0 b8d34d6210 41f7e8 c1fa04 8bca }
$sequence_4 = { eb02 33ff 488b5c2440 488b6c2448 488b742450 8bc7 488b7c2458 }
$sequence_5 = { 668993b0080000 66898bb2080000 8b8bf00a0000 413bcc 7509 4489a3dc020000 eb28 }
$sequence_6 = { 0f8ec2000000 3b7708 488b8708010000 448bee 440f4f6f08 33c9 41b800100000 }
$sequence_7 = { 488bcf e8???????? eb54 8d41fc 83f802 }
$sequence_8 = { 41b800100000 8bd7 33c9 ff95f8000000 41b904000000 41b800100000 8bd7 }
$sequence_9 = { 488d8fbc050000 48898424a0000000 49891f ff97e8000000 }
condition:
7 of them and filesize < 114688
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 488bcb ff9040070000 488b87c8000000 4c634e04 8b8f48030000 4c8bc3 ba78000000 } | |
| $sequence_1 | hex | { 488bcf e8???????? 448b8c2418010000 4181f9c8000000 0f8f46ffffff 498bc4 803c03ad } | |
| $sequence_2 | hex | { 44897dff 48894503 4889450b 48894513 89451b 44897d1f 48894527 } | |
| $sequence_3 | hex | { ff15???????? ff15???????? 448bc0 b8d34d6210 41f7e8 c1fa04 8bca } | |
| $sequence_4 | hex | { eb02 33ff 488b5c2440 488b6c2448 488b742450 8bc7 488b7c2458 } | |
| $sequence_5 | hex | { 668993b0080000 66898bb2080000 8b8bf00a0000 413bcc 7509 4489a3dc020000 eb28 } | |
| $sequence_6 | hex | { 0f8ec2000000 3b7708 488b8708010000 448bee 440f4f6f08 33c9 41b800100000 } | |
| $sequence_7 | hex | { 488bcf e8???????? eb54 8d41fc 83f802 } | |
| $sequence_8 | hex | { 41b800100000 8bd7 33c9 ff95f8000000 41b904000000 41b800100000 8bd7 } | |
| $sequence_9 | hex | { 488d8fbc050000 48898424a0000000 49891f ff97e8000000 } |
Condition
7 of them and filesize < 114688In plain words (Heuristic)
- The file must be smaller than 114688 (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: 4aac4f6a-0ad2-5a3d-8c22-f68bd89c2176
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