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MALPEDIA_Win_Unidentified_068_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-068-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_068_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "55000b1d-a5a1-57c5-97ad-b14947920605"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_068"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_068_auto.yar#L1-L132"
		license_url = "N/A"
		logic_hash = "4107a258b8ace596144ac4b1f845cf0ee61299238aa04509f24f86a6f57892f9"
		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 = { 8b5dd0 03c8 d1e9 3b14cb 7511 8bf3 8b5cce04 }
		$sequence_1 = { 663bf8 7512 8a4603 eb46 8bf2 85c0 75d8 }
		$sequence_2 = { 5e 8d4802 f7d8 1bc0 23c1 c3 33c0 }
		$sequence_3 = { c746040a000000 8b7604 57 ff15???????? 5f 8bc6 5e }
		$sequence_4 = { 7410 8b4dec 33c0 0345f0 8902 83d100 894a04 }
		$sequence_5 = { c74114f80c4500 894120 894124 894134 894140 894148 894158 }
		$sequence_6 = { 2bc8 8b45f4 66890c58 0bd3 83faff 0f8425010000 8b4dc8 }
		$sequence_7 = { 014d0c 294dfc 8945ec 8b4510 0108 8b4728 8b4f20 }
		$sequence_8 = { 8bbd70ffffff 8b4584 2bc7 897de8 8945d8 8b458c }
		$sequence_9 = { 740e 8a8277fb4400 8a8a97fb4400 eb0c 8a8257fb4400 8a8ab7fb4400 }

	condition:
		7 of them and filesize < 862208
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8b5dd0 03c8 d1e9 3b14cb 7511 8bf3 8b5cce04 }
$sequence_1hex{ 663bf8 7512 8a4603 eb46 8bf2 85c0 75d8 }
$sequence_2hex{ 5e 8d4802 f7d8 1bc0 23c1 c3 33c0 }
$sequence_3hex{ c746040a000000 8b7604 57 ff15???????? 5f 8bc6 5e }
$sequence_4hex{ 7410 8b4dec 33c0 0345f0 8902 83d100 894a04 }
$sequence_5hex{ c74114f80c4500 894120 894124 894134 894140 894148 894158 }
$sequence_6hex{ 2bc8 8b45f4 66890c58 0bd3 83faff 0f8425010000 8b4dc8 }
$sequence_7hex{ 014d0c 294dfc 8945ec 8b4510 0108 8b4728 8b4f20 }
$sequence_8hex{ 8bbd70ffffff 8b4584 2bc7 897de8 8945d8 8b458c }
$sequence_9hex{ 740e 8a8277fb4400 8a8a97fb4400 eb0c 8a8257fb4400 8a8ab7fb4400 }

Condition

7 of them and filesize < 862208

In plain words (Heuristic)

  • The file must be smaller than 862208 (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: 55000b1d-a5a1-57c5-97ad-b14947920605

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