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MALPEDIA_Win_Lightneuron_Auto

autogenerated rule brought to you by yara-signator

MalwareLightneuronMalpedia 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: Lightneuron.

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

Summary generated from the rule's metadata and condition.

Rule source

win-lightneuron-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Lightneuron_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0f248e2e-c77f-5f8d-bf7d-2bd528ffdcf8"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.lightneuron"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.lightneuron_auto.yar#L1-L132"
		license_url = "N/A"
		logic_hash = "8d97170963d246081dc44167f7668d73066d05f4df6b51d06f693d59de4ff7e4"
		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 = { a801 7508 4c8bc1 4885c9 75eb 48c1e205 4a8d440207 }
		$sequence_1 = { 4585ff 0f8fd5fdffff 4c8b7c2450 448bdb 8bf9 418bc5 48c1e808 }
		$sequence_2 = { 488bd3 488bc8 e8???????? 4c8b5d00 4c2bdb 41c6043300 }
		$sequence_3 = { 4533c9 baa6010000 b900001000 448bc0 48c744242800000000 8bf0 c744242000000000 }
		$sequence_4 = { 33d2 498bcc ff15???????? 498bcc ff15???????? 488b4c2438 ff15???????? }
		$sequence_5 = { 488903 e8???????? 85c0 0f8587000000 488b03 48894610 498b00 }
		$sequence_6 = { 85c0 0f8956010000 8b8424d8010000 8bf8 0faf4500 85c0 }
		$sequence_7 = { 4c89642428 4489642420 e8???????? 488b5c2450 488b6c2460 488bc6 4883c430 }
		$sequence_8 = { 498bce 488be8 e8???????? 4885ed 7504 33c0 eb3d }
		$sequence_9 = { 4489742420 4c3935???????? 745c baa1010000 e8???????? 488b0d???????? 4885db }

	condition:
		7 of them and filesize < 573440
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ a801 7508 4c8bc1 4885c9 75eb 48c1e205 4a8d440207 }
$sequence_1hex{ 4585ff 0f8fd5fdffff 4c8b7c2450 448bdb 8bf9 418bc5 48c1e808 }
$sequence_2hex{ 488bd3 488bc8 e8???????? 4c8b5d00 4c2bdb 41c6043300 }
$sequence_3hex{ 4533c9 baa6010000 b900001000 448bc0 48c744242800000000 8bf0 c744242000000000 }
$sequence_4hex{ 33d2 498bcc ff15???????? 498bcc ff15???????? 488b4c2438 ff15???????? }
$sequence_5hex{ 488903 e8???????? 85c0 0f8587000000 488b03 48894610 498b00 }
$sequence_6hex{ 85c0 0f8956010000 8b8424d8010000 8bf8 0faf4500 85c0 }
$sequence_7hex{ 4c89642428 4489642420 e8???????? 488b5c2450 488b6c2460 488bc6 4883c430 }
$sequence_8hex{ 498bce 488be8 e8???????? 4885ed 7504 33c0 eb3d }
$sequence_9hex{ 4489742420 4c3935???????? 745c baa1010000 e8???????? 488b0d???????? 4885db }

Condition

7 of them and filesize < 573440

In plain words (Heuristic)

  • The file must be smaller than 573440 (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: 0f248e2e-c77f-5f8d-bf7d-2bd528ffdcf8

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