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MALPEDIA_Win_Unidentified_020_Cia_Vault7_Auto

autogenerated rule brought to you by yara-signator

MalwareMalpedia 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

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

Summary generated from the rule's metadata and condition.

Rule source

win-unidentified-020-cia-vault7-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_020_Cia_Vault7_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "de16efce-7aa6-5999-a998-41c313f36a9a"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_020_cia_vault7"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_020_cia_vault7_auto.yar#L1-L127"
		license_url = "N/A"
		logic_hash = "40a7ba670d6b785339317dddaefb7d17fd9bc5dd51bc097102661d6982ffacd4"
		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 = { 99 3b542424 7cd2 7f10 3b442420 72ca eb08 }
		$sequence_1 = { 51 ff15???????? 6810040000 8d95c4f7ffff 52 6810040000 57 }
		$sequence_2 = { 8d95e8fbffff 52 8d85f0fdffff 6804010000 50 e8???????? 83c40c }
		$sequence_3 = { 50 e8???????? 8b550c 83c40c 5f 8932 5e }
		$sequence_4 = { 8d443602 50 e8???????? 8b4d08 6aff 51 }
		$sequence_5 = { 8b413c 813c0850450000 75df 8b4c0850 894a10 }
		$sequence_6 = { 8b55fc a1???????? 68???????? 6a00 52 6803660000 }
		$sequence_7 = { 83e11f c1e106 8b048520834100 c644080401 57 e8???????? 59 }
		$sequence_8 = { 57 56 c785f0fdffff00000000 ff15???????? 85c0 }
		$sequence_9 = { b9???????? e8???????? 59 e9???????? 53 ff7604 }

	condition:
		7 of them and filesize < 253952
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 99 3b542424 7cd2 7f10 3b442420 72ca eb08 }
$sequence_1hex{ 51 ff15???????? 6810040000 8d95c4f7ffff 52 6810040000 57 }
$sequence_2hex{ 8d95e8fbffff 52 8d85f0fdffff 6804010000 50 e8???????? 83c40c }
$sequence_3hex{ 50 e8???????? 8b550c 83c40c 5f 8932 5e }
$sequence_4hex{ 8d443602 50 e8???????? 8b4d08 6aff 51 }
$sequence_5hex{ 8b413c 813c0850450000 75df 8b4c0850 894a10 }
$sequence_6hex{ 8b55fc a1???????? 68???????? 6a00 52 6803660000 }
$sequence_7hex{ 83e11f c1e106 8b048520834100 c644080401 57 e8???????? 59 }
$sequence_8hex{ 57 56 c785f0fdffff00000000 ff15???????? 85c0 }
$sequence_9hex{ b9???????? e8???????? 59 e9???????? 53 ff7604 }

Condition

7 of them and filesize < 253952

In plain words (Heuristic)

  • The file must be smaller than 253952 (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: de16efce-7aa6-5999-a998-41c313f36a9a

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