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MALPEDIA_Win_Voldemort_Auto

autogenerated rule brought to you by yara-signator

MalwareVoldemortMalpedia 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: Voldemort.

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

Summary generated from the rule's metadata and condition.

Rule source

win-voldemort-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Voldemort_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "d4f91bf2-546f-5cf7-ba32-91066fc835f0"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.voldemort"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.voldemort_auto.yar#L1-L125"
		license_url = "N/A"
		logic_hash = "462bba4ea66471a1ec3cdd81d648ec014592e69c5cc879c552beb372ce505b19"
		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 = { 48894308 e9???????? 48895c2408 57 4883ec20 488b11 488bf9 }
		$sequence_1 = { 5b c3 4c8bda 4c8bd1 450fb702 4d8d5202 }
		$sequence_2 = { 415e 415d 415c 5f c3 4c8bdc 49895b18 }
		$sequence_3 = { 7597 41b001 488b5c2408 418ac0 c3 488bc4 }
		$sequence_4 = { 41c60700 b001 e9???????? 48895c2410 55 56 }
		$sequence_5 = { 4803c1 48894308 e9???????? 48895c2408 57 4883ec20 }
		$sequence_6 = { 41c60700 b001 e9???????? 48895c2410 55 }
		$sequence_7 = { 488b5c2408 418ac0 c3 488bc4 48895808 }
		$sequence_8 = { 415c 5f c3 4c8bdc 49895b18 57 4883ec40 }
		$sequence_9 = { 4883c420 5b c3 4c8bda 4c8bd1 450fb702 }

	condition:
		7 of them and filesize < 577536
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 48894308 e9???????? 48895c2408 57 4883ec20 488b11 488bf9 }
$sequence_1hex{ 5b c3 4c8bda 4c8bd1 450fb702 4d8d5202 }
$sequence_2hex{ 415e 415d 415c 5f c3 4c8bdc 49895b18 }
$sequence_3hex{ 7597 41b001 488b5c2408 418ac0 c3 488bc4 }
$sequence_4hex{ 41c60700 b001 e9???????? 48895c2410 55 56 }
$sequence_5hex{ 4803c1 48894308 e9???????? 48895c2408 57 4883ec20 }
$sequence_6hex{ 41c60700 b001 e9???????? 48895c2410 55 }
$sequence_7hex{ 488b5c2408 418ac0 c3 488bc4 48895808 }
$sequence_8hex{ 415c 5f c3 4c8bdc 49895b18 57 4883ec40 }
$sequence_9hex{ 4883c420 5b c3 4c8bda 4c8bd1 450fb702 }

Condition

7 of them and filesize < 577536

In plain words (Heuristic)

  • The file must be smaller than 577536 (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: d4f91bf2-546f-5cf7-ba32-91066fc835f0

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