Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Andardoor_Auto

autogenerated rule brought to you by yara-signator

MalwareAndardoorMalpedia 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: Andardoor.

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

Summary generated from the rule's metadata and condition.

Rule source

win-andardoor-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Andardoor_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "845e4a64-842d-58c7-a556-efb320cb2bc4"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.andardoor"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.andardoor_auto.yar#L1-L122"
		license_url = "N/A"
		logic_hash = "6b29f91fc534de3abe1762f2b69d0c6222525dbfdf82151119c4f3f760d6ac87"
		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 = { 85c0 7578 488d4588 4c896d88 }
		$sequence_1 = { 740d ff15???????? 4c8935???????? 488b0d???????? 4883f9ff }
		$sequence_2 = { 7e19 448bc3 488d55e0 488bce e8???????? 85c0 }
		$sequence_3 = { c744242880000000 4533c0 ba00000040 c744242002000000 ff15???????? 488905???????? }
		$sequence_4 = { 48897c2420 488bcb e8???????? 488d8580010000 4c8d8d90030000 4889442420 }
		$sequence_5 = { c744245404010000 ff15???????? 488b0d???????? 4c8d81280a0000 }
		$sequence_6 = { 488bf8 488bc8 e8???????? 458bcf 895c2428 4c8d442450 }
		$sequence_7 = { 41b842000000 488bcf ff15???????? 488bf8 488d4ffe 90 6683790200 }
		$sequence_8 = { 488b0d???????? ebb3 33d2 488d4d80 448d4268 e8???????? 33c0 }
		$sequence_9 = { e8???????? 488bd8 4885c0 0f85f7feffff 33c0 4889442452 4883cbff }

	condition:
		7 of them and filesize < 339968
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 85c0 7578 488d4588 4c896d88 }
$sequence_1hex{ 740d ff15???????? 4c8935???????? 488b0d???????? 4883f9ff }
$sequence_2hex{ 7e19 448bc3 488d55e0 488bce e8???????? 85c0 }
$sequence_3hex{ c744242880000000 4533c0 ba00000040 c744242002000000 ff15???????? 488905???????? }
$sequence_4hex{ 48897c2420 488bcb e8???????? 488d8580010000 4c8d8d90030000 4889442420 }
$sequence_5hex{ c744245404010000 ff15???????? 488b0d???????? 4c8d81280a0000 }
$sequence_6hex{ 488bf8 488bc8 e8???????? 458bcf 895c2428 4c8d442450 }
$sequence_7hex{ 41b842000000 488bcf ff15???????? 488bf8 488d4ffe 90 6683790200 }
$sequence_8hex{ 488b0d???????? ebb3 33d2 488d4d80 448d4268 e8???????? 33c0 }
$sequence_9hex{ e8???????? 488bd8 4885c0 0f85f7feffff 33c0 4889442452 4883cbff }

Condition

7 of them and filesize < 339968

In plain words (Heuristic)

  • The file must be smaller than 339968 (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: 845e4a64-842d-58c7-a556-efb320cb2bc4

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