YARA · Malpedia signator rules
MALPEDIA_Win_Morpheus_Auto
autogenerated rule brought to you by yara-signator
MalwareMorpheusMalpedia 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: Morpheus.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-morpheus-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Morpheus_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d59d5386-4e48-5a99-85db-1ed927c0ccb2"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.morpheus"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.morpheus_auto.yar#L1-L115"
= "N/A"
= "4294f914e84ba716ddff6f65692b975cbfaffc61dbbfbfefce5705efe03c25c4"
= 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 = { 8b44244c ffc0 8944244c ebc4 }
$sequence_1 = { 8b8424dc010000 8b4c242c 488b942428040000 488b5210 488904ca }
$sequence_2 = { 0f845a020000 b808000000 486bc002 488b8c24f0000000 }
$sequence_3 = { 488b8c2400010000 ff15???????? 488b8c2400010000 ff15???????? e9???????? }
$sequence_4 = { 4883c002 4889842468010000 83bc241401000000 740c 8b442444 ffc0 89442444 }
$sequence_5 = { b85f000000 66898424c4000000 b82e000000 66898424c6000000 }
$sequence_6 = { ebb1 33c0 488b8c24a8000000 668901 }
$sequence_7 = { 39442440 731f 8b442440 488b4c2450 0fbe0401 33442444 }
$sequence_8 = { ff15???????? c744242000000000 c744242800000000 eb0a 8b442420 ffc0 }
$sequence_9 = { 4c8bc0 ba08000000 488b0d???????? ff15???????? 488b4c2438 48894110 }
condition:
7 of them and filesize < 74752
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b44244c ffc0 8944244c ebc4 } | |
| $sequence_1 | hex | { 8b8424dc010000 8b4c242c 488b942428040000 488b5210 488904ca } | |
| $sequence_2 | hex | { 0f845a020000 b808000000 486bc002 488b8c24f0000000 } | |
| $sequence_3 | hex | { 488b8c2400010000 ff15???????? 488b8c2400010000 ff15???????? e9???????? } | |
| $sequence_4 | hex | { 4883c002 4889842468010000 83bc241401000000 740c 8b442444 ffc0 89442444 } | |
| $sequence_5 | hex | { b85f000000 66898424c4000000 b82e000000 66898424c6000000 } | |
| $sequence_6 | hex | { ebb1 33c0 488b8c24a8000000 668901 } | |
| $sequence_7 | hex | { 39442440 731f 8b442440 488b4c2450 0fbe0401 33442444 } | |
| $sequence_8 | hex | { ff15???????? c744242000000000 c744242800000000 eb0a 8b442420 ffc0 } | |
| $sequence_9 | hex | { 4c8bc0 ba08000000 488b0d???????? ff15???????? 488b4c2438 48894110 } |
Condition
7 of them and filesize < 74752In plain words (Heuristic)
- The file must be smaller than 74752 (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: d59d5386-4e48-5a99-85db-1ed927c0ccb2
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