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MALPEDIA_Win_Unidentified_112_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-112-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_112_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "8f51d074-2baf-5589-8536-2bd347f984f8"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_112"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_112_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "7d4bb0d8583f1d9c9411db0ebd43dc391c4ec8d35a6a3f1d363080592641f11b"
		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 = { e9???????? c6452701 488d0dc0661200 4c8d0501671200 ba46000000 e8???????? eb5c }
		$sequence_1 = { f048ff08 7505 e8???????? 4c8936 0f288540100000 0f288d50100000 660f6f9560100000 }
		$sequence_2 = { e8???????? eb18 488d0d62501500 4c8d0583511500 ba22000000 e8???????? 0f0b }
		$sequence_3 = { e9???????? 488d15ee980d00 41b809000000 488b742460 4889f1 e8???????? 40b501 }
		$sequence_4 = { e8???????? 0f0b 488d05619e0d00 4889442420 4c89e1 4889fa 4531c0 }
		$sequence_5 = { e8???????? 0f0b 488b4de0 488b45e8 ff10 488b45e8 488b5008 }
		$sequence_6 = { e9???????? 0f1005???????? 0f298510010000 0f1005???????? 0f298500010000 488dbd30010000 488d9d00010000 }
		$sequence_7 = { e8???????? 0fb645a8 83f805 0f84a8000000 83f806 0f85af010000 488b85e0000000 }
		$sequence_8 = { be01000000 f0480fc130 4989f5 4983e5e0 4c8b37 4c89e8 492b8600230000 }
		$sequence_9 = { c685e502000000 0f28742420 4883c438 5b 5f 5e 415c }

	condition:
		7 of them and filesize < 7317504
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ e9???????? c6452701 488d0dc0661200 4c8d0501671200 ba46000000 e8???????? eb5c }
$sequence_1hex{ f048ff08 7505 e8???????? 4c8936 0f288540100000 0f288d50100000 660f6f9560100000 }
$sequence_2hex{ e8???????? eb18 488d0d62501500 4c8d0583511500 ba22000000 e8???????? 0f0b }
$sequence_3hex{ e9???????? 488d15ee980d00 41b809000000 488b742460 4889f1 e8???????? 40b501 }
$sequence_4hex{ e8???????? 0f0b 488d05619e0d00 4889442420 4c89e1 4889fa 4531c0 }
$sequence_5hex{ e8???????? 0f0b 488b4de0 488b45e8 ff10 488b45e8 488b5008 }
$sequence_6hex{ e9???????? 0f1005???????? 0f298510010000 0f1005???????? 0f298500010000 488dbd30010000 488d9d00010000 }
$sequence_7hex{ e8???????? 0fb645a8 83f805 0f84a8000000 83f806 0f85af010000 488b85e0000000 }
$sequence_8hex{ be01000000 f0480fc130 4989f5 4983e5e0 4c8b37 4c89e8 492b8600230000 }
$sequence_9hex{ c685e502000000 0f28742420 4883c438 5b 5f 5e 415c }

Condition

7 of them and filesize < 7317504

In plain words (Heuristic)

  • The file must be smaller than 7317504 (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: 8f51d074-2baf-5589-8536-2bd347f984f8

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