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MALPEDIA_Win_Poortry_Auto

autogenerated rule brought to you by yara-signator

MalwarePoortryMalpedia 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: Poortry.

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

Summary generated from the rule's metadata and condition.

Rule source

win-poortry-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Poortry_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1f8d98a2-a5f7-5828-82e3-9ead1b765b9a"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.poortry"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.poortry_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "a6fb93cbf0c200c1e50eeeae7896a1d724d2f9d94a40fdda11ffb63d0ceab95f"
		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 = { 4981e804000000 41f6c3a0 d2e7 418b18 f8 33de }
		$sequence_1 = { c1c903 66443bc1 41f6c39f f5 81f17f2af75d 0fc9 f9 }
		$sequence_2 = { 41ffc3 f5 80ffe1 410fcb 4180ffe7 f5 4181c3b9310b6e }
		$sequence_3 = { 4502ee 4881c440010000 440fb7ed 490f4dee 415f 4487ef 660fbef9 }
		$sequence_4 = { 1bd9 5b 48f7c57830f62d f8 4863ed 6681f90317 41f6c678 }
		$sequence_5 = { 66450fabf9 313424 410fbaf1fc 4159 4080ff4a 4863f6 453ac5 }
		$sequence_6 = { 440fb7df 4881ef04000000 448b1f 4533d9 41ffcb f8 3bfc }
		$sequence_7 = { 415c 415e 02e8 4159 49c1e35e 5d 4d0fb7d1 }
		$sequence_8 = { 4002f3 44311c24 40f6de 4963f4 66d3c6 5e f8 }
		$sequence_9 = { 81f3c94f3919 f9 55 440fa4f5bd 311c24 0fcd 40f6dd }

	condition:
		7 of them and filesize < 8078336
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 4981e804000000 41f6c3a0 d2e7 418b18 f8 33de }
$sequence_1hex{ c1c903 66443bc1 41f6c39f f5 81f17f2af75d 0fc9 f9 }
$sequence_2hex{ 41ffc3 f5 80ffe1 410fcb 4180ffe7 f5 4181c3b9310b6e }
$sequence_3hex{ 4502ee 4881c440010000 440fb7ed 490f4dee 415f 4487ef 660fbef9 }
$sequence_4hex{ 1bd9 5b 48f7c57830f62d f8 4863ed 6681f90317 41f6c678 }
$sequence_5hex{ 66450fabf9 313424 410fbaf1fc 4159 4080ff4a 4863f6 453ac5 }
$sequence_6hex{ 440fb7df 4881ef04000000 448b1f 4533d9 41ffcb f8 3bfc }
$sequence_7hex{ 415c 415e 02e8 4159 49c1e35e 5d 4d0fb7d1 }
$sequence_8hex{ 4002f3 44311c24 40f6de 4963f4 66d3c6 5e f8 }
$sequence_9hex{ 81f3c94f3919 f9 55 440fa4f5bd 311c24 0fcd 40f6dd }

Condition

7 of them and filesize < 8078336

In plain words (Heuristic)

  • The file must be smaller than 8078336 (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: 1f8d98a2-a5f7-5828-82e3-9ead1b765b9a

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