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MALPEDIA_Win_Edr_Silencer_Auto

autogenerated rule brought to you by yara-signator

MalwareEdr SilencerMalpedia 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: Edr Silencer.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-edr-silencer-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Edr_Silencer_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0770d014-47f8-5163-8630-b0a0dcd51e6f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.edr_silencer"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.edr_silencer_auto.yar#L1-L119"
		license_url = "N/A"
		logic_hash = "aaba25479491aa73e0d67ffa4884a0eee48f83b2c8cc3ae697f837d8db881ce7"
		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 = { e8???????? 488d0d28cb0000 e8???????? 488d0d5ccb0000 }
		$sequence_1 = { e8???????? 898588040000 83bd8804000000 7416 }
		$sequence_2 = { b801000000 eb34 488b45f8 4889c1 }
		$sequence_3 = { 6683f809 0f87f3060000 4183fe03 0f87e9060000 4585f6 0f850a020000 41be01000000 }
		$sequence_4 = { 4889c2 488d0d6dcc0000 e8???????? eb14 }
		$sequence_5 = { 488b5df0 b901000000 488b05???????? ffd0 4989d8 488b5520 4889c1 }
		$sequence_6 = { 8985ac010000 83bdac01000000 740b 8b85ac010000 e9???????? b910000000 e8???????? }
		$sequence_7 = { 4881c418050000 5f 5d c3 55 57 }
		$sequence_8 = { 488d0d16c90000 e8???????? 488b45e0 4889c1 488b05???????? ffd0 b800000000 }
		$sequence_9 = { 48898d00020000 48899508020000 4c898510020000 4883bd0002000000 740a }

	condition:
		7 of them and filesize < 744448
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ e8???????? 488d0d28cb0000 e8???????? 488d0d5ccb0000 }
$sequence_1hex{ e8???????? 898588040000 83bd8804000000 7416 }
$sequence_2hex{ b801000000 eb34 488b45f8 4889c1 }
$sequence_3hex{ 6683f809 0f87f3060000 4183fe03 0f87e9060000 4585f6 0f850a020000 41be01000000 }
$sequence_4hex{ 4889c2 488d0d6dcc0000 e8???????? eb14 }
$sequence_5hex{ 488b5df0 b901000000 488b05???????? ffd0 4989d8 488b5520 4889c1 }
$sequence_6hex{ 8985ac010000 83bdac01000000 740b 8b85ac010000 e9???????? b910000000 e8???????? }
$sequence_7hex{ 4881c418050000 5f 5d c3 55 57 }
$sequence_8hex{ 488d0d16c90000 e8???????? 488b45e0 4889c1 488b05???????? ffd0 b800000000 }
$sequence_9hex{ 48898d00020000 48899508020000 4c898510020000 4883bd0002000000 740a }

Condition

7 of them and filesize < 744448

In plain words (Heuristic)

  • The file must be smaller than 744448 (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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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: 0770d014-47f8-5163-8630-b0a0dcd51e6f

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