YARA · Malpedia signator rules
MALPEDIA_Win_Resident_Auto
autogenerated rule brought to you by yara-signator
MalwareResidentMalpedia 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: Resident.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-resident-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Resident_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "31c8cedb-b8c8-50af-8f65-2ca441a2c46a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.resident"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.resident_auto.yar#L1-L170"
= "N/A"
= "8286f78c5f5fef0421ae4dbf75c8520e292621bde24259a94df34e1760f1910d"
= 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 = { ffd6 83ec04 85c0 7491 }
$sequence_1 = { 6a00 83f864 7c26 8b7508 6801040000 }
$sequence_2 = { 6a00 6a00 ff15???????? 6800080000 6a08 ffd7 50 }
$sequence_3 = { 7424 83e101 741f b901000000 83c002 0fb710 }
$sequence_4 = { 890424 894c2404 ff5218 83ec10 85c0 7852 8b442428 }
$sequence_5 = { 83f801 7508 8d7001 e9???????? 83f802 0f85ac000000 }
$sequence_6 = { 68???????? 50 ff15???????? 5f 33c0 5e }
$sequence_7 = { c70424???????? e8???????? 837c242c01 89c7 7e4b }
$sequence_8 = { e8???????? 89c7 c7002d2d2d2d c740042d424547 }
$sequence_9 = { e8???????? 893c24 89442428 e8???????? 8b542428 }
$sequence_10 = { 33ff 68007f0000 57 c745b430000000 897db8 c745bc20144000 }
$sequence_11 = { 56 68e9fd0000 ffd3 8d85dcfeffff 8d7001 8a08 }
$sequence_12 = { 8b3d???????? 890424 ffd7 8b4c2428 }
$sequence_13 = { 8b2d???????? 83ec08 8d9c248e000000 c744241c00000000 }
$sequence_14 = { 8bec 81ec84060000 a1???????? 33c5 8945f8 53 56 }
$sequence_15 = { 57 ff15???????? 57 e8???????? 83c424 57 }
condition:
7 of them and filesize < 125952
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { ffd6 83ec04 85c0 7491 } | |
| $sequence_1 | hex | { 6a00 83f864 7c26 8b7508 6801040000 } | |
| $sequence_2 | hex | { 6a00 6a00 ff15???????? 6800080000 6a08 ffd7 50 } | |
| $sequence_3 | hex | { 7424 83e101 741f b901000000 83c002 0fb710 } | |
| $sequence_4 | hex | { 890424 894c2404 ff5218 83ec10 85c0 7852 8b442428 } | |
| $sequence_5 | hex | { 83f801 7508 8d7001 e9???????? 83f802 0f85ac000000 } | |
| $sequence_6 | hex | { 68???????? 50 ff15???????? 5f 33c0 5e } | |
| $sequence_7 | hex | { c70424???????? e8???????? 837c242c01 89c7 7e4b } | |
| $sequence_8 | hex | { e8???????? 89c7 c7002d2d2d2d c740042d424547 } | |
| $sequence_9 | hex | { e8???????? 893c24 89442428 e8???????? 8b542428 } | |
| $sequence_10 | hex | { 33ff 68007f0000 57 c745b430000000 897db8 c745bc20144000 } | |
| $sequence_11 | hex | { 56 68e9fd0000 ffd3 8d85dcfeffff 8d7001 8a08 } | |
| $sequence_12 | hex | { 8b3d???????? 890424 ffd7 8b4c2428 } | |
| $sequence_13 | hex | { 8b2d???????? 83ec08 8d9c248e000000 c744241c00000000 } | |
| $sequence_14 | hex | { 8bec 81ec84060000 a1???????? 33c5 8945f8 53 56 } | |
| $sequence_15 | hex | { 57 ff15???????? 57 e8???????? 83c424 57 } |
Condition
7 of them and filesize < 125952In plain words (Heuristic)
- The file must be smaller than 125952 (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: 31c8cedb-b8c8-50af-8f65-2ca441a2c46a
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