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MALPEDIA_Win_Pocodown_Auto

autogenerated rule brought to you by yara-signator

MalwarePocodownMalpedia 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: Pocodown.

It defines 8 patterns (0 text, 8 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-pocodown-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pocodown_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0b6f4bfa-cba5-5281-91ed-08423b809fc5"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.pocodown"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pocodown_auto.yar#L1-L104"
		license_url = "N/A"
		logic_hash = "7da590f358fe51b025a303cdaeea6d5ff9e77b166f44142295f4a671de6f9f83"
		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 = { 8b8c2480000000 23c8 8bc1 85c0 7505 e9???????? }
		$sequence_1 = { 8b8c2480000000 3bd3 7206 3bcf }
		$sequence_2 = { 8b8c2480000000 448b8c2488000000 41890a c70600000000 }
		$sequence_3 = { 8b8c2480000000 03c8 8bc1 89842454010000 ba05000000 8b4c2454 e8???????? }
		$sequence_4 = { 8b8c2480000000 394814 0f8d80000000 488b442440 c7401400000000 48837c244800 }
		$sequence_5 = { 8b8c2480000000 23c8 8bc1 89842480000000 83bc248000000000 750d c744246000000000 }
		$sequence_6 = { 8b8c2480000000 03c8 8bc1 89842414010000 ba05000000 8b4c2428 e8???????? }
		$sequence_7 = { 8b8c2480000000 2bc8 8bc1 8bc0 8b4c2420 }

	condition:
		7 of them and filesize < 6703104
}

Strings (8 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8b8c2480000000 23c8 8bc1 85c0 7505 e9???????? }
$sequence_1hex{ 8b8c2480000000 3bd3 7206 3bcf }
$sequence_2hex{ 8b8c2480000000 448b8c2488000000 41890a c70600000000 }
$sequence_3hex{ 8b8c2480000000 03c8 8bc1 89842454010000 ba05000000 8b4c2454 e8???????? }
$sequence_4hex{ 8b8c2480000000 394814 0f8d80000000 488b442440 c7401400000000 48837c244800 }
$sequence_5hex{ 8b8c2480000000 23c8 8bc1 89842480000000 83bc248000000000 750d c744246000000000 }
$sequence_6hex{ 8b8c2480000000 03c8 8bc1 89842414010000 ba05000000 8b4c2428 e8???????? }
$sequence_7hex{ 8b8c2480000000 2bc8 8bc1 8bc0 8b4c2420 }

Condition

7 of them and filesize < 6703104

In plain words (Heuristic)

  • The file must be smaller than 6703104 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

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: 0b6f4bfa-cba5-5281-91ed-08423b809fc5

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