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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:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "5fcabfc7-b4f2-581a-bd2c-6cd3f94747e4"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.turla_silentmoon"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.turla_silentmoon_auto.yar#L1-L131"
		license_url = "N/A"
		logic_hash = "94a93cf7a1d904612821d8be1bdfdbb96f40dda3d11c7dcd42229d5c1470058d"
		score = 75
		quality = 75
		tags = "FILE"
		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"

	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)

IdentifierTypeValueModifiers
$sequence_0hex{ 7468 8b15???????? 56 57 8d3c1b 8d4f02 51 }
$sequence_1hex{ ff15???????? 85c0 0f858b010000 8d95e4f7ffff 52 e9???????? 6a02 }
$sequence_2hex{ 7516 8bc6 e8???????? 84c0 757d eb09 83f802 }
$sequence_3hex{ 6a00 8d54241c 52 6a08 68???????? 56 ff15???????? }
$sequence_4hex{ ff15???????? 8d85e4f7ffff 50 6a00 68???????? 8d8de4efffff 51 }
$sequence_5hex{ 8d9598feffff 52 6800020000 6a00 ff15???????? 8bc7 c6043e00 }
$sequence_6hex{ 8d0cbb 894de0 33c0 8d4900 8b11 81e2ffffdfff 899405e0f6ffff }
$sequence_7hex{ 8d44247c 56 50 c644245800 }
$sequence_8hex{ 83c404 6a08 b953000000 e8???????? 83c404 6a08 b959000000 }
$sequence_9hex{ 8d8decf7ffff 90 833900 750b 40 83bc85ecf7ffff00 74f5 }

Condition

7 of them and filesize < 204800

In 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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

References

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)

Original rule

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

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE