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MALPEDIA_Win_Lazardoor_Auto

autogenerated rule brought to you by yara-signator

MalwareLazardoorMalpedia 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: Lazardoor.

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

Summary generated from the rule's metadata and condition.

Rule source

win-lazardoor-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Lazardoor_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1c3b2aa2-6cc6-541e-8292-04b34695a0bb"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.lazardoor"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.lazardoor_auto.yar#L1-L124"
		license_url = "N/A"
		logic_hash = "d8c063259d0312061a78075c68596206f8a986db3041daf64f815aad14c0b292"
		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 = { 7522 4c8d0dcb930100 4c8bc6 488bd7 488bcb e8???????? }
		$sequence_1 = { 48c7c7ffffffff 488bc7 0f1f8000000000 66395c4502 488d4001 75f5 448d0c00 }
		$sequence_2 = { 75c5 ff15???????? 8b8424c0000000 488b8c2480020000 }
		$sequence_3 = { d1f8 4863e8 488bd5 488bf5 4803d2 498b94d720f70100 e8???????? }
		$sequence_4 = { 8905???????? 4533c0 8b05???????? 33d2 c744242801000000 8905???????? }
		$sequence_5 = { 488d45e8 48894de8 488945f0 488d155cde0000 }
		$sequence_6 = { 488b05???????? 4833c4 48898424c0140000 8d82b0abffff 498be9 }
		$sequence_7 = { e8???????? ebd3 488b442448 4883f8ff 74c8 488bd3 4c8d0552ff0000 }
		$sequence_8 = { 48895308 89431c 0fb60a 83e10f 4a0fbe841188a50100 428a8c1198a50100 482bd0 }
		$sequence_9 = { 488d15c2a20200 488bce ff15???????? 85c0 0f84f3000000 48c7c7ffffffff 488bc7 }

	condition:
		7 of them and filesize < 405504
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 7522 4c8d0dcb930100 4c8bc6 488bd7 488bcb e8???????? }
$sequence_1hex{ 48c7c7ffffffff 488bc7 0f1f8000000000 66395c4502 488d4001 75f5 448d0c00 }
$sequence_2hex{ 75c5 ff15???????? 8b8424c0000000 488b8c2480020000 }
$sequence_3hex{ d1f8 4863e8 488bd5 488bf5 4803d2 498b94d720f70100 e8???????? }
$sequence_4hex{ 8905???????? 4533c0 8b05???????? 33d2 c744242801000000 8905???????? }
$sequence_5hex{ 488d45e8 48894de8 488945f0 488d155cde0000 }
$sequence_6hex{ 488b05???????? 4833c4 48898424c0140000 8d82b0abffff 498be9 }
$sequence_7hex{ e8???????? ebd3 488b442448 4883f8ff 74c8 488bd3 4c8d0552ff0000 }
$sequence_8hex{ 48895308 89431c 0fb60a 83e10f 4a0fbe841188a50100 428a8c1198a50100 482bd0 }
$sequence_9hex{ 488d15c2a20200 488bce ff15???????? 85c0 0f84f3000000 48c7c7ffffffff 488bc7 }

Condition

7 of them and filesize < 405504

In plain words (Heuristic)

  • The file must be smaller than 405504 (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: 1c3b2aa2-6cc6-541e-8292-04b34695a0bb

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