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MALPEDIA_Win_Radrat_Auto

autogenerated rule brought to you by yara-signator

MalwareRadratMalpedia 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: Radrat.

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

Summary generated from the rule's metadata and condition.

Rule source

win-radrat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Radrat_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1c27b074-be21-5c7f-8ea6-5afa829a892c"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.radrat"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.radrat_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "dc8f541fb37ec4acde3ed3a7445628cc2d8faf9fbdea529d1c9437a132a74a84"
		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 = { 8d8d60feffff e8???????? f7d8 1bc0 40 25ff000000 85c0 }
		$sequence_1 = { e8???????? c645fc01 8d8d5cffffff e8???????? 8b4508 e9???????? 6a00 }
		$sequence_2 = { e8???????? 83c40c c645fc02 8d8d50ffffff e8???????? 8d8d78ffffff e8???????? }
		$sequence_3 = { e8???????? 83c40c 8b5508 8b4210 8b4ddc 8b55fc 891488 }
		$sequence_4 = { e8???????? 8b8d54fdffff 83c901 898d54fdffff c645fc01 8d8d3cffffff e8???????? }
		$sequence_5 = { e8???????? c645fc08 8b8d6cfbffff 83c108 e8???????? c645fc04 8d8ddefdffff }
		$sequence_6 = { 8b4808 6bc928 8b5508 8b4204 03c1 8985dcfdffff e9???????? }
		$sequence_7 = { c3 55 8bec 83ec14 8b4508 8b481c 894df4 }
		$sequence_8 = { 8d8dc4dbffff e8???????? 6a00 8b8d44dbffff e8???????? 50 8d8dc4dbffff }
		$sequence_9 = { e9???????? 83bd54ffffff07 0f85b3020000 6a01 8d8db8e9ffff 51 8b4d08 }

	condition:
		7 of them and filesize < 2080768
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8d8d60feffff e8???????? f7d8 1bc0 40 25ff000000 85c0 }
$sequence_1hex{ e8???????? c645fc01 8d8d5cffffff e8???????? 8b4508 e9???????? 6a00 }
$sequence_2hex{ e8???????? 83c40c c645fc02 8d8d50ffffff e8???????? 8d8d78ffffff e8???????? }
$sequence_3hex{ e8???????? 83c40c 8b5508 8b4210 8b4ddc 8b55fc 891488 }
$sequence_4hex{ e8???????? 8b8d54fdffff 83c901 898d54fdffff c645fc01 8d8d3cffffff e8???????? }
$sequence_5hex{ e8???????? c645fc08 8b8d6cfbffff 83c108 e8???????? c645fc04 8d8ddefdffff }
$sequence_6hex{ 8b4808 6bc928 8b5508 8b4204 03c1 8985dcfdffff e9???????? }
$sequence_7hex{ c3 55 8bec 83ec14 8b4508 8b481c 894df4 }
$sequence_8hex{ 8d8dc4dbffff e8???????? 6a00 8b8d44dbffff e8???????? 50 8d8dc4dbffff }
$sequence_9hex{ e9???????? 83bd54ffffff07 0f85b3020000 6a01 8d8db8e9ffff 51 8b4d08 }

Condition

7 of them and filesize < 2080768

In plain words (Heuristic)

  • The file must be smaller than 2080768 (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: 1c27b074-be21-5c7f-8ea6-5afa829a892c

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