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MALPEDIA_Win_Listrix_Auto

autogenerated rule brought to you by yara-signator

MalwareListrixMalpedia 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: Listrix.

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

Summary generated from the rule's metadata and condition.

Rule source

win-listrix-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Listrix_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "ae5c6849-5b5a-5879-a75b-5bc936755797"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.listrix"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.listrix_auto.yar#L1-L122"
		license_url = "N/A"
		logic_hash = "a979992135eb70be35ff3f9edeaffae4a914b7c2e246324beb1e16b7e069112c"
		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 = { 50 ff15???????? 85f6 0f8492000000 0fb78deef7ffff }
		$sequence_1 = { 51 52 50 8d8dc0f5ffff 51 }
		$sequence_2 = { 55 8bec 33c0 8b4d08 3b0cc5186a4000 740a 40 }
		$sequence_3 = { ebe6 c745e060614000 817de064614000 7311 8b45e0 8b00 85c0 }
		$sequence_4 = { 817de45c614000 7311 8b45e4 8b00 85c0 }
		$sequence_5 = { 8b5510 8d46ff 50 8b8584f5ffff 51 52 }
		$sequence_6 = { 52 ff15???????? 68???????? 8d85f4f7ffff 50 }
		$sequence_7 = { 668b4c4310 66890c457ca74000 40 ebe8 33c0 8945e4 3d01010000 }
		$sequence_8 = { 7718 0f85b6000000 8b85a8f5ffff 3b857cf5ffff 0f86a4000000 0fb78deef7ffff }
		$sequence_9 = { 52 ff15???????? 83c428 8d85f4fbffff 50 }

	condition:
		7 of them and filesize < 106496
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 50 ff15???????? 85f6 0f8492000000 0fb78deef7ffff }
$sequence_1hex{ 51 52 50 8d8dc0f5ffff 51 }
$sequence_2hex{ 55 8bec 33c0 8b4d08 3b0cc5186a4000 740a 40 }
$sequence_3hex{ ebe6 c745e060614000 817de064614000 7311 8b45e0 8b00 85c0 }
$sequence_4hex{ 817de45c614000 7311 8b45e4 8b00 85c0 }
$sequence_5hex{ 8b5510 8d46ff 50 8b8584f5ffff 51 52 }
$sequence_6hex{ 52 ff15???????? 68???????? 8d85f4f7ffff 50 }
$sequence_7hex{ 668b4c4310 66890c457ca74000 40 ebe8 33c0 8945e4 3d01010000 }
$sequence_8hex{ 7718 0f85b6000000 8b85a8f5ffff 3b857cf5ffff 0f86a4000000 0fb78deef7ffff }
$sequence_9hex{ 52 ff15???????? 83c428 8d85f4fbffff 50 }

Condition

7 of them and filesize < 106496

In plain words (Heuristic)

  • The file must be smaller than 106496 (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: ae5c6849-5b5a-5879-a75b-5bc936755797

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