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MALPEDIA_Win_Ave_Maria_Auto

autogenerated rule brought to you by yara-signator

MalwareAve MariaMalpedia 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: Ave Maria.

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

Summary generated from the rule's metadata and condition.

Rule source

win-ave-maria-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ave_Maria_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "38249720-fad3-5dc1-b3fc-356cdef0f657"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ave_maria"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ave_maria_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "ea10d34cce69cf182e9cfd334f8022a3bc00150368fefd38d9a16b830f043f11"
		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 = { 6aff ff30 6a00 68e9fd0000 ff15???????? 53 8d4dfc }
		$sequence_1 = { 6a08 59 e8???????? 8bf0 85f6 743e c706???????? }
		$sequence_2 = { 7e4c 6a05 ff75fc ff5754 6a05 ff75fc 8945b0 }
		$sequence_3 = { 55 8bec 51 57 8bf9 8d5710 e8???????? }
		$sequence_4 = { 7406 51 e8???????? 8b4df0 890b 897304 eb02 }
		$sequence_5 = { 0bcb e8???????? 85c0 741d 8930 8d4804 }
		$sequence_6 = { 83c204 e8???????? 59 50 8d4e04 e8???????? 8b4d08 }
		$sequence_7 = { 8bca 0fbf07 99 0fa4c210 c1e010 03f0 8b45fc }
		$sequence_8 = { 03c1 59 8bf8 f3a5 8d4d30 51 8d4828 }
		$sequence_9 = { 8bc1 c74104???????? 83610800 83610c00 c3 c20400 55 }

	condition:
		7 of them and filesize < 237568
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 6aff ff30 6a00 68e9fd0000 ff15???????? 53 8d4dfc }
$sequence_1hex{ 6a08 59 e8???????? 8bf0 85f6 743e c706???????? }
$sequence_2hex{ 7e4c 6a05 ff75fc ff5754 6a05 ff75fc 8945b0 }
$sequence_3hex{ 55 8bec 51 57 8bf9 8d5710 e8???????? }
$sequence_4hex{ 7406 51 e8???????? 8b4df0 890b 897304 eb02 }
$sequence_5hex{ 0bcb e8???????? 85c0 741d 8930 8d4804 }
$sequence_6hex{ 83c204 e8???????? 59 50 8d4e04 e8???????? 8b4d08 }
$sequence_7hex{ 8bca 0fbf07 99 0fa4c210 c1e010 03f0 8b45fc }
$sequence_8hex{ 03c1 59 8bf8 f3a5 8d4d30 51 8d4828 }
$sequence_9hex{ 8bc1 c74104???????? 83610800 83610c00 c3 c20400 55 }

Condition

7 of them and filesize < 237568

In plain words (Heuristic)

  • The file must be smaller than 237568 (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: 38249720-fad3-5dc1-b3fc-356cdef0f657

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