YARA · Malpedia signator rules
MALPEDIA_Win_Turla_Silentmoon_Auto
autogenerated rule brought to you by yara-signator
MalwareTurla SilentmoonMalpedia 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: Turla Silentmoon.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-turla-silentmoon-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Turla_Silentmoon_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "5fcabfc7-b4f2-581a-bd2c-6cd3f94747e4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.turla_silentmoon"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.turla_silentmoon_auto.yar#L1-L131"
= "N/A"
= "94a93cf7a1d904612821d8be1bdfdbb96f40dda3d11c7dcd42229d5c1470058d"
= 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 = { 7468 8b15???????? 56 57 8d3c1b 8d4f02 51 }
$sequence_1 = { ff15???????? 85c0 0f858b010000 8d95e4f7ffff 52 e9???????? 6a02 }
$sequence_2 = { 7516 8bc6 e8???????? 84c0 757d eb09 83f802 }
$sequence_3 = { 6a00 8d54241c 52 6a08 68???????? 56 ff15???????? }
$sequence_4 = { ff15???????? 8d85e4f7ffff 50 6a00 68???????? 8d8de4efffff 51 }
$sequence_5 = { 8d9598feffff 52 6800020000 6a00 ff15???????? 8bc7 c6043e00 }
$sequence_6 = { 8d0cbb 894de0 33c0 8d4900 8b11 81e2ffffdfff 899405e0f6ffff }
$sequence_7 = { 8d44247c 56 50 c644245800 }
$sequence_8 = { 83c404 6a08 b953000000 e8???????? 83c404 6a08 b959000000 }
$sequence_9 = { 8d8decf7ffff 90 833900 750b 40 83bc85ecf7ffff00 74f5 }
condition:
7 of them and filesize < 204800
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 7468 8b15???????? 56 57 8d3c1b 8d4f02 51 } | |
| $sequence_1 | hex | { ff15???????? 85c0 0f858b010000 8d95e4f7ffff 52 e9???????? 6a02 } | |
| $sequence_2 | hex | { 7516 8bc6 e8???????? 84c0 757d eb09 83f802 } | |
| $sequence_3 | hex | { 6a00 8d54241c 52 6a08 68???????? 56 ff15???????? } | |
| $sequence_4 | hex | { ff15???????? 8d85e4f7ffff 50 6a00 68???????? 8d8de4efffff 51 } | |
| $sequence_5 | hex | { 8d9598feffff 52 6800020000 6a00 ff15???????? 8bc7 c6043e00 } | |
| $sequence_6 | hex | { 8d0cbb 894de0 33c0 8d4900 8b11 81e2ffffdfff 899405e0f6ffff } | |
| $sequence_7 | hex | { 8d44247c 56 50 c644245800 } | |
| $sequence_8 | hex | { 83c404 6a08 b953000000 e8???????? 83c404 6a08 b959000000 } | |
| $sequence_9 | hex | { 8d8decf7ffff 90 833900 750b 40 83bc85ecf7ffff00 74f5 } |
Condition
7 of them and filesize < 204800In plain words (Heuristic)
- The file must be smaller than 204800 (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: 5fcabfc7-b4f2-581a-bd2c-6cd3f94747e4
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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