Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Unidentified_116_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-116-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_116_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "b3beb29c-9765-5979-b9ed-e9a5d494f00f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_116"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_116_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "abd2ae8d312f902c2902e82be3c324a44a8f43175cbf86176e76b6eedacb0a8f"
		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 = { 8b30 e8???????? 49 8bce 8b18 ff15???????? e8???????? }
		$sequence_1 = { 8bd3 8bcf ffd6 eb0b 48 8bd3 8bcf }
		$sequence_2 = { 8d15fadcfbff 48 89442420 e8???????? 48 8d1511ddfbff 660f6e1d???????? }
		$sequence_3 = { 8bc8 48 83c428 e9???????? 49 8bc9 e8???????? }
		$sequence_4 = { e8???????? 49 03ff 8d04f500000000 4c 8b7c2448 48 }
		$sequence_5 = { b901000000 e8???????? 48 8bf8 48 85c0 7509 }
		$sequence_6 = { e9???????? 41 8d45ff 41 bb20000000 44 8b548704 }
		$sequence_7 = { 8d4b40 4c 897c2448 48 03c8 4c }
		$sequence_8 = { c78424d000000000000400 6648 0f6ef8 48 8b4530 48 334510 }
		$sequence_9 = { c78318010000ffffffff 48 8b4778 48 85c0 7407 33d2 }

	condition:
		7 of them and filesize < 1040384
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8b30 e8???????? 49 8bce 8b18 ff15???????? e8???????? }
$sequence_1hex{ 8bd3 8bcf ffd6 eb0b 48 8bd3 8bcf }
$sequence_2hex{ 8d15fadcfbff 48 89442420 e8???????? 48 8d1511ddfbff 660f6e1d???????? }
$sequence_3hex{ 8bc8 48 83c428 e9???????? 49 8bc9 e8???????? }
$sequence_4hex{ e8???????? 49 03ff 8d04f500000000 4c 8b7c2448 48 }
$sequence_5hex{ b901000000 e8???????? 48 8bf8 48 85c0 7509 }
$sequence_6hex{ e9???????? 41 8d45ff 41 bb20000000 44 8b548704 }
$sequence_7hex{ 8d4b40 4c 897c2448 48 03c8 4c }
$sequence_8hex{ c78424d000000000000400 6648 0f6ef8 48 8b4530 48 334510 }
$sequence_9hex{ c78318010000ffffffff 48 8b4778 48 85c0 7407 33d2 }

Condition

7 of them and filesize < 1040384

In plain words (Heuristic)

  • The file must be smaller than 1040384 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

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: b3beb29c-9765-5979-b9ed-e9a5d494f00f

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