YARA · Malpedia signator rules
MALPEDIA_Win_Darkmoon_Auto
autogenerated rule brought to you by yara-signator
MalwareDarkmoonMalpedia 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: Darkmoon.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-darkmoon-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Darkmoon_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "39d28dd7-0564-597d-bdac-de621314fd7d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.darkmoon"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.darkmoon_auto.yar#L1-L122"
= "N/A"
= "b873ed88e28a76ea623543146de01af6abe20197674c7ea051692aae659c4969"
= 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 = { 898580f0ffff ff750c 680f0d0000 ffb580f0ffff 56 ff96d1000000 e8???????? }
$sequence_1 = { ff75f0 ff5675 83f800 766d 6a00 8d4df8 }
$sequence_2 = { 8d4f0c c645fc05 e8???????? 8d4f10 c645fc06 e8???????? }
$sequence_3 = { 68ff0f1f00 ff9695000000 83f800 74ac }
$sequence_4 = { 8d8656040000 50 6801000080 ff5635 8d8665010000 50 }
$sequence_5 = { 3b86b0080000 747c 8986b0080000 6804010000 8d85fcfdffff }
$sequence_6 = { 6a01 6a00 e8???????? 53 4f 46 }
$sequence_7 = { ff5621 8945f4 6a00 8d4df8 }
$sequence_8 = { ffb6e1000000 ff96dd000000 8945f4 6a00 ff75f8 ffb6ed000000 6a00 }
$sequence_9 = { 03d0 8b442410 03c2 89442410 8bc6 99 f7f9 }
condition:
7 of them and filesize < 98304
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 898580f0ffff ff750c 680f0d0000 ffb580f0ffff 56 ff96d1000000 e8???????? } | |
| $sequence_1 | hex | { ff75f0 ff5675 83f800 766d 6a00 8d4df8 } | |
| $sequence_2 | hex | { 8d4f0c c645fc05 e8???????? 8d4f10 c645fc06 e8???????? } | |
| $sequence_3 | hex | { 68ff0f1f00 ff9695000000 83f800 74ac } | |
| $sequence_4 | hex | { 8d8656040000 50 6801000080 ff5635 8d8665010000 50 } | |
| $sequence_5 | hex | { 3b86b0080000 747c 8986b0080000 6804010000 8d85fcfdffff } | |
| $sequence_6 | hex | { 6a01 6a00 e8???????? 53 4f 46 } | |
| $sequence_7 | hex | { ff5621 8945f4 6a00 8d4df8 } | |
| $sequence_8 | hex | { ffb6e1000000 ff96dd000000 8945f4 6a00 ff75f8 ffb6ed000000 6a00 } | |
| $sequence_9 | hex | { 03d0 8b442410 03c2 89442410 8bc6 99 f7f9 } |
Condition
7 of them and filesize < 98304In plain words (Heuristic)
- The file must be smaller than 98304 (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: 39d28dd7-0564-597d-bdac-de621314fd7d
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