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MALPEDIA_Win_Unidentified_110_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-110-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_110_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "2d5ba36e-5361-5b2d-9c23-9f15aade20bf"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_110"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_110_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "2e7c9ac386af40c86b98568776f1bc132b500de4e78d099d84b189be0b32b69a"
		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 = { bb00000000 4989fc bf00000000 0f84021f0000 31f6 418874247b 498dbc24c80b0000 }
		$sequence_1 = { e8???????? eb18 488d0d4de10a00 4c8d05067c0800 ba2b000000 e8???????? 0f0b }
		$sequence_2 = { 898c245c100000 488b8c2458050000 48898c2460100000 89842468100000 8b842483030000 8984248c100000 8b842480030000 }
		$sequence_3 = { 660f1f840000000000 8b9c2ca8000000 488d1c9b 488d0458 89842ca8000000 48c1e820 4883c504 }
		$sequence_4 = { e8???????? 4889c1 e8???????? 4183fe05 753f 89c1 81e1000000ff }
		$sequence_5 = { e8???????? 4889c5 e8???????? 488d8c2408030000 488b942498000000 48899168ffffff 488b942490000000 }
		$sequence_6 = { eb18 488d0d4de10a00 4c8d05067c0800 ba2b000000 e8???????? 0f0b 662e0f1f840000000000 }
		$sequence_7 = { 4401d9 4489d8 4431f8 31c8 4401cd 01c5 81c5e599dbe6 }
		$sequence_8 = { e8???????? 4989c6 4c8d7e10 488d842480000000 488938 4c8d8424e0010000 498900 }
		$sequence_9 = { 8b4c2434 894c2424 488b8c2418010000 48898c2460010000 488b8c2420010000 48898c2468010000 488b8c2428010000 }

	condition:
		7 of them and filesize < 3217408
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ bb00000000 4989fc bf00000000 0f84021f0000 31f6 418874247b 498dbc24c80b0000 }
$sequence_1hex{ e8???????? eb18 488d0d4de10a00 4c8d05067c0800 ba2b000000 e8???????? 0f0b }
$sequence_2hex{ 898c245c100000 488b8c2458050000 48898c2460100000 89842468100000 8b842483030000 8984248c100000 8b842480030000 }
$sequence_3hex{ 660f1f840000000000 8b9c2ca8000000 488d1c9b 488d0458 89842ca8000000 48c1e820 4883c504 }
$sequence_4hex{ e8???????? 4889c1 e8???????? 4183fe05 753f 89c1 81e1000000ff }
$sequence_5hex{ e8???????? 4889c5 e8???????? 488d8c2408030000 488b942498000000 48899168ffffff 488b942490000000 }
$sequence_6hex{ eb18 488d0d4de10a00 4c8d05067c0800 ba2b000000 e8???????? 0f0b 662e0f1f840000000000 }
$sequence_7hex{ 4401d9 4489d8 4431f8 31c8 4401cd 01c5 81c5e599dbe6 }
$sequence_8hex{ e8???????? 4989c6 4c8d7e10 488d842480000000 488938 4c8d8424e0010000 498900 }
$sequence_9hex{ 8b4c2434 894c2424 488b8c2418010000 48898c2460010000 488b8c2420010000 48898c2468010000 488b8c2428010000 }

Condition

7 of them and filesize < 3217408

In plain words (Heuristic)

  • The file must be smaller than 3217408 (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: 2d5ba36e-5361-5b2d-9c23-9f15aade20bf

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