YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_108_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-108-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_108_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "34b87816-cd9a-5b74-90e0-e07fc9bfe007"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_108"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_108_auto.yar#L1-L115"
= "N/A"
= "0445a99f67a74766c9cc6af05bc62590694686270ed850a6744b269b66b3bbce"
= 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 = { 83e03f 458be9 488d0dd066ffff 4c8945e7 4d03e8 48895df7 4c8be3 }
$sequence_1 = { 4889742410 57 4883ec20 418bf0 4c8d0d9fea0000 }
$sequence_2 = { 488d95a0000000 4c896c2450 488d4c2450 e8???????? 4c8d4c2458 41b800040000 }
$sequence_3 = { 3b1d???????? 736e 488bc3 488bf3 48c1fe06 4c8d2d4ef70000 83e03f }
$sequence_4 = { 4c8d05a8310100 83e23f 488d14d2 498b04c0 f644d03801 }
$sequence_5 = { 0f84d9000000 8b7500 498b9cf640f90100 4885db }
$sequence_6 = { 741f 488b4c2438 488d1542f80000 ff15???????? 4885c0 }
$sequence_7 = { 488d15e2890000 f20f1014c2 c5eb58d5 c4e2c9b905???????? }
$sequence_8 = { 488d4570 458bc5 498bcc 0f114570 }
$sequence_9 = { 498bc4 0f114540 48ffc0 44380401 }
condition:
7 of them and filesize < 307200
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83e03f 458be9 488d0dd066ffff 4c8945e7 4d03e8 48895df7 4c8be3 } | |
| $sequence_1 | hex | { 4889742410 57 4883ec20 418bf0 4c8d0d9fea0000 } | |
| $sequence_2 | hex | { 488d95a0000000 4c896c2450 488d4c2450 e8???????? 4c8d4c2458 41b800040000 } | |
| $sequence_3 | hex | { 3b1d???????? 736e 488bc3 488bf3 48c1fe06 4c8d2d4ef70000 83e03f } | |
| $sequence_4 | hex | { 4c8d05a8310100 83e23f 488d14d2 498b04c0 f644d03801 } | |
| $sequence_5 | hex | { 0f84d9000000 8b7500 498b9cf640f90100 4885db } | |
| $sequence_6 | hex | { 741f 488b4c2438 488d1542f80000 ff15???????? 4885c0 } | |
| $sequence_7 | hex | { 488d15e2890000 f20f1014c2 c5eb58d5 c4e2c9b905???????? } | |
| $sequence_8 | hex | { 488d4570 458bc5 498bcc 0f114570 } | |
| $sequence_9 | hex | { 498bc4 0f114540 48ffc0 44380401 } |
Condition
7 of them and filesize < 307200In plain words (Heuristic)
- The file must be smaller than 307200 (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: 34b87816-cd9a-5b74-90e0-e07fc9bfe007
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