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MALPEDIA_Win_Plaintee_Auto

autogenerated rule brought to you by yara-signator

MalwarePlainteeMalpedia 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: Plaintee.

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

Summary generated from the rule's metadata and condition.

Rule source

win-plaintee-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Plaintee_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "52fa009e-021f-5f1a-9282-83e6fbee3849"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.plaintee"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.plaintee_auto.yar#L1-L122"
		license_url = "N/A"
		logic_hash = "8fe4a70c10f32bce1c211ecedc1a07d2230b093ba80d58d60a893a69d57fc4d5"
		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 = { 50 8d853c010000 50 8b8538010000 6a5a 52 }
		$sequence_1 = { 50 ff15???????? 83f85a 721a 8a16 }
		$sequence_2 = { 5b 8b542418 8b442414 52 50 6a00 56 }
		$sequence_3 = { 881c31 41 3bc8 7cf3 5b }
		$sequence_4 = { 51 52 ffd0 8b4c2400 33c0 83f905 0f94c0 }
		$sequence_5 = { 83c408 ff15???????? 99 b932000000 8b742410 }
		$sequence_6 = { 8b54240c 56 8b74240c 50 8b44240c 51 6a00 }
		$sequence_7 = { 8bc8 83e103 8d853c010000 f3a4 8b8d4c010000 }
		$sequence_8 = { 83c438 68???????? ff15???????? 8b400c 8b08 8b11 52 }
		$sequence_9 = { 84c0 7416 85f6 74c6 }

	condition:
		7 of them and filesize < 73728
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 50 8d853c010000 50 8b8538010000 6a5a 52 }
$sequence_1hex{ 50 ff15???????? 83f85a 721a 8a16 }
$sequence_2hex{ 5b 8b542418 8b442414 52 50 6a00 56 }
$sequence_3hex{ 881c31 41 3bc8 7cf3 5b }
$sequence_4hex{ 51 52 ffd0 8b4c2400 33c0 83f905 0f94c0 }
$sequence_5hex{ 83c408 ff15???????? 99 b932000000 8b742410 }
$sequence_6hex{ 8b54240c 56 8b74240c 50 8b44240c 51 6a00 }
$sequence_7hex{ 8bc8 83e103 8d853c010000 f3a4 8b8d4c010000 }
$sequence_8hex{ 83c438 68???????? ff15???????? 8b400c 8b08 8b11 52 }
$sequence_9hex{ 84c0 7416 85f6 74c6 }

Condition

7 of them and filesize < 73728

In plain words (Heuristic)

  • The file must be smaller than 73728 (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: 52fa009e-021f-5f1a-9282-83e6fbee3849

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