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MALPEDIA_Win_Feed_Load_Auto

autogenerated rule brought to you by yara-signator

MalwareFeed LoadMalpedia 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: Feed Load.

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

Summary generated from the rule's metadata and condition.

Rule source

win-feed-load-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Feed_Load_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "4106d258-8381-5ca7-9bbc-eef40c512280"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.feed_load"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.feed_load_auto.yar#L1-L127"
		license_url = "N/A"
		logic_hash = "b42fea18c41c4a2ec88e9b45a0010dde384d0ba1f83ae008081a3bc9400a84f3"
		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 = { 488b942480000000 448d4718 448902 488bcd ff15???????? }
		$sequence_1 = { e8???????? 448b8f60100000 4c8d0589690200 bb04010000 488d8d30010000 8bd3 }
		$sequence_2 = { 483b8c2488000000 0f8262020000 4883fa08 7226 488b01 498d52e0 }
		$sequence_3 = { 85c8 75d6 418bcc 48897c2430 412bcf 41ba81808080 }
		$sequence_4 = { 4c2bc5 4c8bce 4c2bcb 488bd5 488bcb 498d0410 4885c0 }
		$sequence_5 = { ff8170040000 83b97004000002 0f84fa010000 4c8d35263b0100 bd20000000 897350 89732c }
		$sequence_6 = { c744242803000000 4889742420 ff15???????? 48894710 4885c0 0f84ce000000 }
		$sequence_7 = { 4885d2 746c 4585c0 7467 83600800 33db 83602000 }
		$sequence_8 = { 418b8630020000 89442438 488d8580070000 4889442430 488d8578050000 4889442428 }
		$sequence_9 = { 488d542430 ff15???????? 393b 7424 48217c2420 488d151cec0200 4c8b05???????? }

	condition:
		7 of them and filesize < 512000
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 488b942480000000 448d4718 448902 488bcd ff15???????? }
$sequence_1hex{ e8???????? 448b8f60100000 4c8d0589690200 bb04010000 488d8d30010000 8bd3 }
$sequence_2hex{ 483b8c2488000000 0f8262020000 4883fa08 7226 488b01 498d52e0 }
$sequence_3hex{ 85c8 75d6 418bcc 48897c2430 412bcf 41ba81808080 }
$sequence_4hex{ 4c2bc5 4c8bce 4c2bcb 488bd5 488bcb 498d0410 4885c0 }
$sequence_5hex{ ff8170040000 83b97004000002 0f84fa010000 4c8d35263b0100 bd20000000 897350 89732c }
$sequence_6hex{ c744242803000000 4889742420 ff15???????? 48894710 4885c0 0f84ce000000 }
$sequence_7hex{ 4885d2 746c 4585c0 7467 83600800 33db 83602000 }
$sequence_8hex{ 418b8630020000 89442438 488d8580070000 4889442430 488d8578050000 4889442428 }
$sequence_9hex{ 488d542430 ff15???????? 393b 7424 48217c2420 488d151cec0200 4c8b05???????? }

Condition

7 of them and filesize < 512000

In plain words (Heuristic)

  • The file must be smaller than 512000 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

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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: 4106d258-8381-5ca7-9bbc-eef40c512280

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