YARA · Malpedia signator rules
MALPEDIA_Win_Olympic_Destroyer_Auto
autogenerated rule brought to you by yara-signator
MalwareOlympic DestroyerMalpedia 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 / 73
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Olympic Destroyer.
It defines 23 patterns (0 text, 23 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-olympic-destroyer-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Olympic_Destroyer_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "faeb4d04-06cb-5bef-81e3-d206357d9612"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.olympic_destroyer"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.olympic_destroyer_auto.yar#L1-L230"
= "N/A"
= "51dc89cee66d8f8ded98919f34996e3d35cc35bca0e71ba7194f7f3686df36aa"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 56 33c0 89542414 57 }
$sequence_1 = { 89442418 85c0 7419 56 8d542414 }
$sequence_2 = { 3b0cc5686a4000 740a 40 83f816 72ee }
$sequence_3 = { 51 8bcb e8???????? 8b75ec 83c404 8945e4 }
$sequence_4 = { 50 6a03 683f010000 ff75e0 }
$sequence_5 = { 76cb 83c614 6a04 57 }
$sequence_6 = { ff15???????? 83c420 6810040000 8d85dcf7ffff 50 }
$sequence_7 = { 8d7e10 85ff 7476 8bcf e8???????? 85c0 746b }
$sequence_8 = { 51 8bcb e8???????? 8bc8 83c408 85c9 0f858d000000 }
$sequence_9 = { ff15???????? 57 ff15???????? 81bd7cf9ffff40420f00 760e ffb590f9ffff }
$sequence_10 = { 51 8bce 8d52ff e8???????? 83c408 85c0 0f851f040000 }
$sequence_11 = { 51 8bce 8944244c 89bc2480000000 }
$sequence_12 = { 898c24b0000000 898424b4000000 c7460400000000 85c9 7435 0fb74602 }
$sequence_13 = { 8975e8 ff15???????? 8d45dc 50 68???????? }
$sequence_14 = { 51 8bce 8b4004 894510 e8???????? 8b4d10 }
$sequence_15 = { c3 8b742420 51 ff15???????? 8bc6 5f 5e }
$sequence_16 = { 770e 8b8de8efffff 398df0efffff 7690 53 ff15???????? }
$sequence_17 = { 85db 0f84f6000000 8b4308 8b5304 89442414 8d44242c 51 }
$sequence_18 = { 51 8bce e8???????? 6a00 68???????? }
$sequence_19 = { 50 68???????? 56 ff15???????? 8b45dc 8945f0 }
$sequence_20 = { 8d442424 89442414 c7442418d0f25500 8b0f }
$sequence_21 = { 51 8bcf 89442424 e8???????? 8b542424 }
$sequence_22 = { 89442414 e8???????? 33c9 83c404 85c0 0f45f9 }
condition:
7 of them and filesize < 1392640
}
Strings (23 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 56 33c0 89542414 57 } | |
| $sequence_1 | hex | { 89442418 85c0 7419 56 8d542414 } | |
| $sequence_2 | hex | { 3b0cc5686a4000 740a 40 83f816 72ee } | |
| $sequence_3 | hex | { 51 8bcb e8???????? 8b75ec 83c404 8945e4 } | |
| $sequence_4 | hex | { 50 6a03 683f010000 ff75e0 } | |
| $sequence_5 | hex | { 76cb 83c614 6a04 57 } | |
| $sequence_6 | hex | { ff15???????? 83c420 6810040000 8d85dcf7ffff 50 } | |
| $sequence_7 | hex | { 8d7e10 85ff 7476 8bcf e8???????? 85c0 746b } | |
| $sequence_8 | hex | { 51 8bcb e8???????? 8bc8 83c408 85c9 0f858d000000 } | |
| $sequence_9 | hex | { ff15???????? 57 ff15???????? 81bd7cf9ffff40420f00 760e ffb590f9ffff } | |
| $sequence_10 | hex | { 51 8bce 8d52ff e8???????? 83c408 85c0 0f851f040000 } | |
| $sequence_11 | hex | { 51 8bce 8944244c 89bc2480000000 } | |
| $sequence_12 | hex | { 898c24b0000000 898424b4000000 c7460400000000 85c9 7435 0fb74602 } | |
| $sequence_13 | hex | { 8975e8 ff15???????? 8d45dc 50 68???????? } | |
| $sequence_14 | hex | { 51 8bce 8b4004 894510 e8???????? 8b4d10 } | |
| $sequence_15 | hex | { c3 8b742420 51 ff15???????? 8bc6 5f 5e } | |
| $sequence_16 | hex | { 770e 8b8de8efffff 398df0efffff 7690 53 ff15???????? } | |
| $sequence_17 | hex | { 85db 0f84f6000000 8b4308 8b5304 89442414 8d44242c 51 } | |
| $sequence_18 | hex | { 51 8bce e8???????? 6a00 68???????? } | |
| $sequence_19 | hex | { 50 68???????? 56 ff15???????? 8b45dc 8945f0 } | |
| $sequence_20 | hex | { 8d442424 89442414 c7442418d0f25500 8b0f } | |
| $sequence_21 | hex | { 51 8bcf 89442424 e8???????? 8b542424 } | |
| $sequence_22 | hex | { 89442414 e8???????? 33c9 83c404 85c0 0f45f9 } |
Condition
7 of them and filesize < 1392640In plain words (Heuristic)
- The file must be smaller than 1392640 (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: faeb4d04-06cb-5bef-81e3-d206357d9612
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
- APT / threat actorSEKOIA.IO Community· Sekoia.io· 2022-04-15
- 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