YARA · Malpedia signator rules
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:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "0770d014-47f8-5163-8630-b0a0dcd51e6f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.edr_silencer"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.edr_silencer_auto.yar#L1-L119"
= "N/A"
= "aaba25479491aa73e0d67ffa4884a0eee48f83b2c8cc3ae697f837d8db881ce7"
= 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 = { 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)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? 488d0d28cb0000 e8???????? 488d0d5ccb0000 } | |
| $sequence_1 | hex | { e8???????? 898588040000 83bd8804000000 7416 } | |
| $sequence_2 | hex | { b801000000 eb34 488b45f8 4889c1 } | |
| $sequence_3 | hex | { 6683f809 0f87f3060000 4183fe03 0f87e9060000 4585f6 0f850a020000 41be01000000 } | |
| $sequence_4 | hex | { 4889c2 488d0d6dcc0000 e8???????? eb14 } | |
| $sequence_5 | hex | { 488b5df0 b901000000 488b05???????? ffd0 4989d8 488b5520 4889c1 } | |
| $sequence_6 | hex | { 8985ac010000 83bdac01000000 740b 8b85ac010000 e9???????? b910000000 e8???????? } | |
| $sequence_7 | hex | { 4881c418050000 5f 5d c3 55 57 } | |
| $sequence_8 | hex | { 488d0d16c90000 e8???????? 488b45e0 4889c1 488b05???????? ffd0 b800000000 } | |
| $sequence_9 | hex | { 48898d00020000 48899508020000 4c898510020000 4883bd0002000000 740a } |
Condition
7 of them and filesize < 744448In 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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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: 0770d014-47f8-5163-8630-b0a0dcd51e6f
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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