Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Findpos_Auto

autogenerated rule brought to you by yara-signator

MalwareFindposMalpedia 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: Findpos.

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

Summary generated from the rule's metadata and condition.

Rule source

win-findpos-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Findpos_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0118028f-b41f-5842-8844-1fee66e42583"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.findpos"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.findpos_auto.yar#L1-L125"
		license_url = "N/A"
		logic_hash = "8b94134cf8592dcafa0b3aee69b2f0111b290c4a200e1df07d51445eac138a67"
		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 = { 85ff 747b 8bc7 3bfb 7d17 3bc3 737b }
		$sequence_1 = { ad 098525ae1eb2 a5 82b4b01d4b73d7c9 }
		$sequence_2 = { 895dfc e8???????? 837dec10 8d55d8 0f4355d8 33c9 e8???????? }
		$sequence_3 = { 8bc7 c1f805 8bf7 83e61f c1e606 033485a0ed4100 8975dc }
		$sequence_4 = { 48 743f 48 0f8574fcffff 68???????? 8d8c24bc000000 e8???????? }
		$sequence_5 = { 42 884dab 83f80b 0f877b020000 ff248547e64000 }
		$sequence_6 = { e8???????? 33f6 46 53 85c0 7409 e8???????? }
		$sequence_7 = { 8bec 56 8b7508 833cf558b3410000 7513 56 }
		$sequence_8 = { 7411 8b45e8 53 8b4808 51 80790d00 7495 }
		$sequence_9 = { 6a18 b8???????? e8???????? 8b5d14 }

	condition:
		7 of them and filesize < 286720
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 85ff 747b 8bc7 3bfb 7d17 3bc3 737b }
$sequence_1hex{ ad 098525ae1eb2 a5 82b4b01d4b73d7c9 }
$sequence_2hex{ 895dfc e8???????? 837dec10 8d55d8 0f4355d8 33c9 e8???????? }
$sequence_3hex{ 8bc7 c1f805 8bf7 83e61f c1e606 033485a0ed4100 8975dc }
$sequence_4hex{ 48 743f 48 0f8574fcffff 68???????? 8d8c24bc000000 e8???????? }
$sequence_5hex{ 42 884dab 83f80b 0f877b020000 ff248547e64000 }
$sequence_6hex{ e8???????? 33f6 46 53 85c0 7409 e8???????? }
$sequence_7hex{ 8bec 56 8b7508 833cf558b3410000 7513 56 }
$sequence_8hex{ 7411 8b45e8 53 8b4808 51 80790d00 7495 }
$sequence_9hex{ 6a18 b8???????? e8???????? 8b5d14 }

Condition

7 of them and filesize < 286720

In plain words (Heuristic)

  • The file must be smaller than 286720 (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: 0118028f-b41f-5842-8844-1fee66e42583

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