YARA · Malpedia signator rules
MALPEDIA_Win_Moker_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
Associated malware family: Moker.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-moker-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Moker_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "69bbf83d-0ab5-5acb-b2d7-513d1190be4e"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.moker"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.moker_auto.yar#L1-L164"
= "N/A"
= "aa8088f026aef50ec0840174b29fe27672f04ec00cf10e28a3ac1c6b80820555"
= 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 = { 0302 8945d4 8b4dd4 83c102 }
$sequence_1 = { 0302 8945e8 8b4df8 8b55fc }
$sequence_2 = { 6a00 8b4584 50 e8???????? 83c408 894590 837d0800 }
$sequence_3 = { 0100 83c414 85c0 7502 }
$sequence_4 = { 0302 8945dc 8b45dc 83c002 }
$sequence_5 = { 0100 0101 0001 0101 0001 0101 }
$sequence_6 = { 0301 8945e0 e8???????? 8b55e8 }
$sequence_7 = { 0302 50 e8???????? 83c404 3b450c 750b 8b4df0 }
$sequence_8 = { d0838b3f8d57 1c8d 8bae03000029 d1894a018d57 318d8bd20700 }
$sequence_9 = { 89442408 48 85c0 0f8409010000 41 c6042401 }
$sequence_10 = { 8f86b0000000 ff7108 8f86b4000000 31c0 48 5e }
$sequence_11 = { 6887000000 ed 713d 8907 }
$sequence_12 = { 50 ff15???????? ed 8408 ebe4 }
$sequence_13 = { 8b450c 2580000000 83f800 741d }
$sequence_14 = { 48 5e 5f 5b c9 c20400 b800000000 }
$sequence_15 = { 31c0 40 59 5a c9 }
condition:
7 of them and filesize < 1761280
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 0302 8945d4 8b4dd4 83c102 } | |
| $sequence_1 | hex | { 0302 8945e8 8b4df8 8b55fc } | |
| $sequence_2 | hex | { 6a00 8b4584 50 e8???????? 83c408 894590 837d0800 } | |
| $sequence_3 | hex | { 0100 83c414 85c0 7502 } | |
| $sequence_4 | hex | { 0302 8945dc 8b45dc 83c002 } | |
| $sequence_5 | hex | { 0100 0101 0001 0101 0001 0101 } | |
| $sequence_6 | hex | { 0301 8945e0 e8???????? 8b55e8 } | |
| $sequence_7 | hex | { 0302 50 e8???????? 83c404 3b450c 750b 8b4df0 } | |
| $sequence_8 | hex | { d0838b3f8d57 1c8d 8bae03000029 d1894a018d57 318d8bd20700 } | |
| $sequence_9 | hex | { 89442408 48 85c0 0f8409010000 41 c6042401 } | |
| $sequence_10 | hex | { 8f86b0000000 ff7108 8f86b4000000 31c0 48 5e } | |
| $sequence_11 | hex | { 6887000000 ed 713d 8907 } | |
| $sequence_12 | hex | { 50 ff15???????? ed 8408 ebe4 } | |
| $sequence_13 | hex | { 8b450c 2580000000 83f800 741d } | |
| $sequence_14 | hex | { 48 5e 5f 5b c9 c20400 b800000000 } | |
| $sequence_15 | hex | { 31c0 40 59 5a c9 } |
Condition
7 of them and filesize < 1761280In plain words (Heuristic)
- The file must be smaller than 1761280 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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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: 69bbf83d-0ab5-5acb-b2d7-513d1190be4e
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
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