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MALPEDIA_Win_Auriga_Auto

autogenerated rule brought to you by yara-signator

MalwareAurigaMalpedia 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: Auriga.

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

Summary generated from the rule's metadata and condition.

Rule source

win-auriga-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Auriga_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "f63eadf1-7904-5ef6-85f0-77802d1f0795"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.auriga"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.auriga_auto.yar#L1-L117"
		license_url = "N/A"
		logic_hash = "2e66bf255be1de171c49cb4f15dfc11bec65479a2cb57d50a7d67deba40b6489"
		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 = { a1???????? 85c0 7408 8b0d???????? }
		$sequence_1 = { 7518 51 ff7508 e8???????? 3b05???????? a3???????? 7513 }
		$sequence_2 = { 894d80 33db 894d9c 8d4ddc }
		$sequence_3 = { 8b45e8 03c7 803820 7503 }
		$sequence_4 = { c1cf0d 03f8 ebf4 3b7c2428 75e1 }
		$sequence_5 = { 742d 8b430c 8b580c 53 ffd7 84c0 7420 }
		$sequence_6 = { 7407 b8010000c0 eb51 833d????????00 74f0 56 }
		$sequence_7 = { 6a30 53 8b35???????? ffd6 8945e4 3bc3 750a }
		$sequence_8 = { ffb5bcfbffff 8d85ccfbffff 50 ffd7 }
		$sequence_9 = { 8b3c30 ff45ec eba1 8bc6 eb02 }

	condition:
		7 of them and filesize < 75776
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ a1???????? 85c0 7408 8b0d???????? }
$sequence_1hex{ 7518 51 ff7508 e8???????? 3b05???????? a3???????? 7513 }
$sequence_2hex{ 894d80 33db 894d9c 8d4ddc }
$sequence_3hex{ 8b45e8 03c7 803820 7503 }
$sequence_4hex{ c1cf0d 03f8 ebf4 3b7c2428 75e1 }
$sequence_5hex{ 742d 8b430c 8b580c 53 ffd7 84c0 7420 }
$sequence_6hex{ 7407 b8010000c0 eb51 833d????????00 74f0 56 }
$sequence_7hex{ 6a30 53 8b35???????? ffd6 8945e4 3bc3 750a }
$sequence_8hex{ ffb5bcfbffff 8d85ccfbffff 50 ffd7 }
$sequence_9hex{ 8b3c30 ff45ec eba1 8bc6 eb02 }

Condition

7 of them and filesize < 75776

In plain words (Heuristic)

  • The file must be smaller than 75776 (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: f63eadf1-7904-5ef6-85f0-77802d1f0795

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