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MALPEDIA_Win_Unidentified_053_Auto

autogenerated rule brought to you by yara-signator

MalwareMalpedia 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

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

Summary generated from the rule's metadata and condition.

Rule source

win-unidentified-053-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_053_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "44778796-93f3-5879-994d-5e3e2324b3e0"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_053"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_053_auto.yar#L1-L122"
		license_url = "N/A"
		logic_hash = "0ba9fcbf3221aa7fe9aa16ac81cd13a3c2e0b0b30a12bf9f5e09619187f5d921"
		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 = { 0f857afeffff 393cb500924100 742e a1???????? 8d70ff 85f6 }
		$sequence_1 = { 0fb6bdb0fffcff c1e208 0bd7 03d0 2bca 6a00 }
		$sequence_2 = { 754d 53 57 8d3c85a8914100 833f00 bb00100000 7520 }
		$sequence_3 = { 7e13 8d048dfc914100 3938 7408 4a }
		$sequence_4 = { 8a6e1b 0fb64619 0fb67df4 8a4e1a }
		$sequence_5 = { 81e9003ca875 87d6 4e 46 87d6 81c1003ca875 }
		$sequence_6 = { 0fb6d2 f6820194410004 7406 8b10 41 }
		$sequence_7 = { c1c719 e8???????? 87f2 e8???????? 2bd5 }
		$sequence_8 = { 891d???????? 4a 87d6 8915???????? 03f7 46 893d???????? }
		$sequence_9 = { 8b048588814100 234508 8b4e14 8d04c1 0fb64801 8b5004 83fa10 }

	condition:
		7 of them and filesize < 294912
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 0f857afeffff 393cb500924100 742e a1???????? 8d70ff 85f6 }
$sequence_1hex{ 0fb6bdb0fffcff c1e208 0bd7 03d0 2bca 6a00 }
$sequence_2hex{ 754d 53 57 8d3c85a8914100 833f00 bb00100000 7520 }
$sequence_3hex{ 7e13 8d048dfc914100 3938 7408 4a }
$sequence_4hex{ 8a6e1b 0fb64619 0fb67df4 8a4e1a }
$sequence_5hex{ 81e9003ca875 87d6 4e 46 87d6 81c1003ca875 }
$sequence_6hex{ 0fb6d2 f6820194410004 7406 8b10 41 }
$sequence_7hex{ c1c719 e8???????? 87f2 e8???????? 2bd5 }
$sequence_8hex{ 891d???????? 4a 87d6 8915???????? 03f7 46 893d???????? }
$sequence_9hex{ 8b048588814100 234508 8b4e14 8d04c1 0fb64801 8b5004 83fa10 }

Condition

7 of them and filesize < 294912

In plain words (Heuristic)

  • The file must be smaller than 294912 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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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: 44778796-93f3-5879-994d-5e3e2324b3e0

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