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MALPEDIA_Win_Poldat_Auto

autogenerated rule brought to you by yara-signator

MalwarePoldatMalpedia 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: Poldat.

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

Summary generated from the rule's metadata and condition.

Rule source

win-poldat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Poldat_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0ab576ed-e0ee-5da0-8f81-cfe82fe216e2"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.poldat"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.poldat_auto.yar#L1-L120"
		license_url = "N/A"
		logic_hash = "a6f8e59d2c945b62038e5cd56baf57eea43e69c171234f5505f4b9b3436c2cf3"
		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 = { 89beb4070000 e8???????? 53 8d86b6090000 57 50 e8???????? }
		$sequence_1 = { 56 8975fc e8???????? 8d4dfc 8945f8 }
		$sequence_2 = { 03ce 8988b4160000 8b149d00934100 85d2 0f8484000000 }
		$sequence_3 = { 50 8d45fc 50 8d45c0 56 50 8d8598fbffff }
		$sequence_4 = { 7514 8d85acfdffff 50 56 }
		$sequence_5 = { 894c241c 8b4c242c 8b0c8d68c34100 894c2420 83f814 7323 8b4c2410 }
		$sequence_6 = { 41 3be8 894c2410 72c5 8b048568c34100 }
		$sequence_7 = { c645e465 c645e578 c645e665 c645e720 c645e822 c645e925 }
		$sequence_8 = { 8d859cf9ffff 57 50 e8???????? }
		$sequence_9 = { 8945f8 51 50 8d4510 56 50 }

	condition:
		7 of them and filesize < 247808
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 89beb4070000 e8???????? 53 8d86b6090000 57 50 e8???????? }
$sequence_1hex{ 56 8975fc e8???????? 8d4dfc 8945f8 }
$sequence_2hex{ 03ce 8988b4160000 8b149d00934100 85d2 0f8484000000 }
$sequence_3hex{ 50 8d45fc 50 8d45c0 56 50 8d8598fbffff }
$sequence_4hex{ 7514 8d85acfdffff 50 56 }
$sequence_5hex{ 894c241c 8b4c242c 8b0c8d68c34100 894c2420 83f814 7323 8b4c2410 }
$sequence_6hex{ 41 3be8 894c2410 72c5 8b048568c34100 }
$sequence_7hex{ c645e465 c645e578 c645e665 c645e720 c645e822 c645e925 }
$sequence_8hex{ 8d859cf9ffff 57 50 e8???????? }
$sequence_9hex{ 8945f8 51 50 8d4510 56 50 }

Condition

7 of them and filesize < 247808

In plain words (Heuristic)

  • The file must be smaller than 247808 (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: 0ab576ed-e0ee-5da0-8f81-cfe82fe216e2

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