YARA · Malpedia signator rules
MALPEDIA_Win_Mokes_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: Mokes.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-mokes-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Mokes_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "335218d6-cb44-5cf3-8b98-d13b75bd5fa6"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.mokes"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.mokes_auto.yar#L1-L134"
= "N/A"
= "de29443f85d97d36c782d0775fdc17aebc27c9a0f2516ba5bc9ebc6f5848757a"
= 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 = { f20f594618 f20f595638 f20f107c2418 f20f58f8 0f28c1 f20f594628 f20f58da }
$sequence_1 = { ffd0 84c0 0f85cf000000 c7879400000003000000 e9???????? 6a00 8d8f80000000 }
$sequence_2 = { f30f10809c000000 f30f114c2418 0f28ce f30f58c8 f30f5cf0 0f28d1 f30f58d5 }
$sequence_3 = { ff9088000000 b001 5f 5e 5b 8be5 5d }
$sequence_4 = { ff7624 e9???????? 8b4e08 6a00 6800000400 8b01 ff507c }
$sequence_5 = { ff10 3d???????? 742a 8b00 85c0 75f3 8b7740 }
$sequence_6 = { f20f11442450 f20f118c2448010000 0f28c2 f20f11542428 f20f59c1 f20f11442458 dd442458 }
$sequence_7 = { f20f104808 f20f58c2 f20f11542438 f20f114c2440 f20f114c2450 f20f11542468 f20f11442448 }
$sequence_8 = { ff5008 8bc8 33c0 85c9 0f98c0 e9???????? 83fb02 }
$sequence_9 = { ff750c 8d4508 50 e8???????? 8bf0 8975e8 c745fc00000000 }
condition:
7 of them and filesize < 17990656
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { f20f594618 f20f595638 f20f107c2418 f20f58f8 0f28c1 f20f594628 f20f58da } | |
| $sequence_1 | hex | { ffd0 84c0 0f85cf000000 c7879400000003000000 e9???????? 6a00 8d8f80000000 } | |
| $sequence_2 | hex | { f30f10809c000000 f30f114c2418 0f28ce f30f58c8 f30f5cf0 0f28d1 f30f58d5 } | |
| $sequence_3 | hex | { ff9088000000 b001 5f 5e 5b 8be5 5d } | |
| $sequence_4 | hex | { ff7624 e9???????? 8b4e08 6a00 6800000400 8b01 ff507c } | |
| $sequence_5 | hex | { ff10 3d???????? 742a 8b00 85c0 75f3 8b7740 } | |
| $sequence_6 | hex | { f20f11442450 f20f118c2448010000 0f28c2 f20f11542428 f20f59c1 f20f11442458 dd442458 } | |
| $sequence_7 | hex | { f20f104808 f20f58c2 f20f11542438 f20f114c2440 f20f114c2450 f20f11542468 f20f11442448 } | |
| $sequence_8 | hex | { ff5008 8bc8 33c0 85c9 0f98c0 e9???????? 83fb02 } | |
| $sequence_9 | hex | { ff750c 8d4508 50 e8???????? 8bf0 8975e8 c745fc00000000 } |
Condition
7 of them and filesize < 17990656In plain words (Heuristic)
- The file must be smaller than 17990656 (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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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: 335218d6-cb44-5cf3-8b98-d13b75bd5fa6
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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