Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Alureon_Auto

autogenerated rule brought to you by yara-signator

MalwareAlureonMalpedia 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: Alureon.

It defines 16 patterns (0 text, 16 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-alureon-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Alureon_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "6b3df0b2-18d6-5c71-84b0-99b1fa393a55"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.alureon"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.alureon_auto.yar#L1-L175"
		license_url = "N/A"
		logic_hash = "d1337818060e1faa6c9ccaf02ea2d21121701238579c72d130738da6cbb0e301"
		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 = { 83c0f8 743e 44 8d50ff 41 d1ea }
		$sequence_1 = { 48 ffc5 48 8d44ad00 }
		$sequence_2 = { 0fb74314 8b7350 57 56 8d441818 }
		$sequence_3 = { 7511 8b0a 41 81e0ff0f0000 4b 8d0403 }
		$sequence_4 = { 72e0 4d 634b3c 4d 03cb 0f84fa010000 }
		$sequence_5 = { 02ca 004dfd 0fb64dfd 8d8c0dfcfeffff 8a19 }
		$sequence_6 = { 75d1 8b7df4 8b4514 85f6 75b0 }
		$sequence_7 = { 41 8bb1b4000000 49 8d1403 eb4f 8b4204 48 }
		$sequence_8 = { 56 6a01 53 ff15???????? 53 89442414 }
		$sequence_9 = { 56 56 6a08 56 57 ff15???????? 8b2d???????? }
		$sequence_10 = { 50 ff75f8 ff75e8 ff15???????? 85c0 7527 }
		$sequence_11 = { 53 8d8424b0000000 89842488000000 6a01 8d44247c 50 }
		$sequence_12 = { 7527 8d85e4fbffff 50 e8???????? 84c0 59 }
		$sequence_13 = { 59 c3 33c9 394c2408 7614 8b442404 8ad1 }
		$sequence_14 = { 895c246e c7442472832c240a c6442476b8 89442477 }
		$sequence_15 = { 81ec58010000 56 57 6a00 6a00 8d45ac 50 }

	condition:
		7 of them and filesize < 278528
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 83c0f8 743e 44 8d50ff 41 d1ea }
$sequence_1hex{ 48 ffc5 48 8d44ad00 }
$sequence_2hex{ 0fb74314 8b7350 57 56 8d441818 }
$sequence_3hex{ 7511 8b0a 41 81e0ff0f0000 4b 8d0403 }
$sequence_4hex{ 72e0 4d 634b3c 4d 03cb 0f84fa010000 }
$sequence_5hex{ 02ca 004dfd 0fb64dfd 8d8c0dfcfeffff 8a19 }
$sequence_6hex{ 75d1 8b7df4 8b4514 85f6 75b0 }
$sequence_7hex{ 41 8bb1b4000000 49 8d1403 eb4f 8b4204 48 }
$sequence_8hex{ 56 6a01 53 ff15???????? 53 89442414 }
$sequence_9hex{ 56 56 6a08 56 57 ff15???????? 8b2d???????? }
$sequence_10hex{ 50 ff75f8 ff75e8 ff15???????? 85c0 7527 }
$sequence_11hex{ 53 8d8424b0000000 89842488000000 6a01 8d44247c 50 }
$sequence_12hex{ 7527 8d85e4fbffff 50 e8???????? 84c0 59 }
$sequence_13hex{ 59 c3 33c9 394c2408 7614 8b442404 8ad1 }
$sequence_14hex{ 895c246e c7442472832c240a c6442476b8 89442477 }
$sequence_15hex{ 81ec58010000 56 57 6a00 6a00 8d45ac 50 }

Condition

7 of them and filesize < 278528

In plain words (Heuristic)

  • The file must be smaller than 278528 (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: 6b3df0b2-18d6-5c71-84b0-99b1fa393a55

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