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MALPEDIA_Win_Pathloader_Auto

autogenerated rule brought to you by yara-signator

MalwarePathloaderMalpedia 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: Pathloader.

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

Summary generated from the rule's metadata and condition.

Rule source

win-pathloader-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pathloader_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1d6ea3d6-75e6-543d-af49-90acc1dad5eb"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.pathloader"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pathloader_auto.yar#L1-L128"
		license_url = "N/A"
		logic_hash = "e8275a457d5a8c2740af5a98f9a61f097bbf8757b3b029afa0b2fadd2cd2878d"
		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 = { ffd0 49898688000000 4885c0 0f8577030000 0f1005???????? 0f11442468 0fb705???????? }
		$sequence_1 = { eb56 4883f810 7350 4883f910 724a 488b3b 4c8d4501 }
		$sequence_2 = { 44887580 488d15a6bc0200 49c7c5ffffffff 4d8bc5 49ffc0 }
		$sequence_3 = { 488d4827 483bc8 490f46cd e8???????? 4885c0 }
		$sequence_4 = { 488bda 488bf9 48894de7 488955ef 4c8945f7 4533ed 44896db7 }
		$sequence_5 = { ffd0 488bc8 4c8d45c8 488d45c0 41b940000000 488d55b0 }
		$sequence_6 = { ffd3 eb00 e8???????? 90 cc 33c0 4c8d0deb4b0100 }
		$sequence_7 = { 0f1f4000 660f1f840000000000 b809cb3d8d 4d8d4901 41f7e8 4103d0 c1fa05 }
		$sequence_8 = { 7462 8b7e20 0f1f4000 0f1f840000000000 41ffca 418bda }
		$sequence_9 = { 488bc8 e8???????? 66660f1f840000000000 498b8f90000000 488d55d4 41ff9718010000 85c0 }

	condition:
		7 of them and filesize < 464896
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ ffd0 49898688000000 4885c0 0f8577030000 0f1005???????? 0f11442468 0fb705???????? }
$sequence_1hex{ eb56 4883f810 7350 4883f910 724a 488b3b 4c8d4501 }
$sequence_2hex{ 44887580 488d15a6bc0200 49c7c5ffffffff 4d8bc5 49ffc0 }
$sequence_3hex{ 488d4827 483bc8 490f46cd e8???????? 4885c0 }
$sequence_4hex{ 488bda 488bf9 48894de7 488955ef 4c8945f7 4533ed 44896db7 }
$sequence_5hex{ ffd0 488bc8 4c8d45c8 488d45c0 41b940000000 488d55b0 }
$sequence_6hex{ ffd3 eb00 e8???????? 90 cc 33c0 4c8d0deb4b0100 }
$sequence_7hex{ 0f1f4000 660f1f840000000000 b809cb3d8d 4d8d4901 41f7e8 4103d0 c1fa05 }
$sequence_8hex{ 7462 8b7e20 0f1f4000 0f1f840000000000 41ffca 418bda }
$sequence_9hex{ 488bc8 e8???????? 66660f1f840000000000 498b8f90000000 488d55d4 41ff9718010000 85c0 }

Condition

7 of them and filesize < 464896

In plain words (Heuristic)

  • The file must be smaller than 464896 (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: 1d6ea3d6-75e6-543d-af49-90acc1dad5eb

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