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MALPEDIA_Win_Curator_Auto

autogenerated rule brought to you by yara-signator

MalwareCuratorMalpedia 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: Curator.

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

Summary generated from the rule's metadata and condition.

Rule source

win-curator-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Curator_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "fcac612a-2e34-59e3-865b-891a1ba269a7"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.curator"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.curator_auto.yar#L1-L131"
		license_url = "N/A"
		logic_hash = "9c9891d2183ddd3488b2d5adb3081a7f4ddac4155c80a1223d6eb63be40a5482"
		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 = { c3 4883ec38 488d05f9210300 41b91b000000 4889442420 e8???????? }
		$sequence_1 = { 488b06 488bce 48896c2430 4c89742438 ff9098000000 85c0 488bce }
		$sequence_2 = { f00fc101 83f801 751c 488b4530 488b8888000000 488d056ad40400 483bc8 }
		$sequence_3 = { 488d57f8 488bcb e8???????? 488bc8 33c0 4885c9 7404 }
		$sequence_4 = { 4881fb00100000 720d 488bcb e8???????? 488be8 eb11 4885db }
		$sequence_5 = { f6d9 488903 1bc0 83e002 894308 488bc3 488b8c2480000000 }
		$sequence_6 = { 83f801 7e18 83f802 7430 488d05a1940500 488901 4883c108 }
		$sequence_7 = { 33c0 488bca f3aa 498bc8 e8???????? 90 }
		$sequence_8 = { 4889442448 33ed 85ff 400f98c5 896c2450 8bcf }
		$sequence_9 = { 48895c2408 57 4883ec20 488d99c8000000 488bf9 488d0505080200 488bd3 }

	condition:
		7 of them and filesize < 1265664
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ c3 4883ec38 488d05f9210300 41b91b000000 4889442420 e8???????? }
$sequence_1hex{ 488b06 488bce 48896c2430 4c89742438 ff9098000000 85c0 488bce }
$sequence_2hex{ f00fc101 83f801 751c 488b4530 488b8888000000 488d056ad40400 483bc8 }
$sequence_3hex{ 488d57f8 488bcb e8???????? 488bc8 33c0 4885c9 7404 }
$sequence_4hex{ 4881fb00100000 720d 488bcb e8???????? 488be8 eb11 4885db }
$sequence_5hex{ f6d9 488903 1bc0 83e002 894308 488bc3 488b8c2480000000 }
$sequence_6hex{ 83f801 7e18 83f802 7430 488d05a1940500 488901 4883c108 }
$sequence_7hex{ 33c0 488bca f3aa 498bc8 e8???????? 90 }
$sequence_8hex{ 4889442448 33ed 85ff 400f98c5 896c2450 8bcf }
$sequence_9hex{ 48895c2408 57 4883ec20 488d99c8000000 488bf9 488d0505080200 488bd3 }

Condition

7 of them and filesize < 1265664

In plain words (Heuristic)

  • The file must be smaller than 1265664 (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: fcac612a-2e34-59e3-865b-891a1ba269a7

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