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MALPEDIA_Win_Giftedcrook_Auto

autogenerated rule brought to you by yara-signator

MalwareGiftedcrookMalpedia 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: Giftedcrook.

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

Summary generated from the rule's metadata and condition.

Rule source

win-giftedcrook-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Giftedcrook_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "f970c69b-e37d-55b6-8e45-640dbfe8fd22"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.giftedcrook"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.giftedcrook_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "fee375a34ba026c88ecb017c941c459856b39d254fbc114d61d348631640d57d"
		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 = { 33ff 48895c2470 488d0db4f30200 897c2468 4d8d5608 48896c2460 4d8d5e06 }
		$sequence_1 = { 48c1f806 488d0df8c60300 4183e23f 4903e8 498bf0 488b04c1 4b8d14d2 }
		$sequence_2 = { 48c744242005000000 41b811000000 488d15f17b0600 488bcf e8???????? 84c0 0f8454fbffff }
		$sequence_3 = { 488d1528600500 e8???????? 41bf40000000 eb0e 488bcb 488bd5 e8???????? }
		$sequence_4 = { 488d15e43c0400 488bce 4c8b04d8 498b4008 4d8b08 4889442428 418b4018 }
		$sequence_5 = { 7427 c6436301 e9???????? be03000000 eb23 be06000000 eb1c }
		$sequence_6 = { 4c0f45eb 48898c24b0000000 488d0d07110700 83f808 741a 83f810 740c }
		$sequence_7 = { 4c8d0de6100700 eb07 4c8d0dd9100700 8b470c 83f808 741a 83f810 }
		$sequence_8 = { eb24 482bc3 4883f802 7205 488bdd eb3b 488d0d45defeff }
		$sequence_9 = { 84c0 7505 397764 7423 440fb74f66 488d15d72f0600 }

	condition:
		7 of them and filesize < 1605632
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 33ff 48895c2470 488d0db4f30200 897c2468 4d8d5608 48896c2460 4d8d5e06 }
$sequence_1hex{ 48c1f806 488d0df8c60300 4183e23f 4903e8 498bf0 488b04c1 4b8d14d2 }
$sequence_2hex{ 48c744242005000000 41b811000000 488d15f17b0600 488bcf e8???????? 84c0 0f8454fbffff }
$sequence_3hex{ 488d1528600500 e8???????? 41bf40000000 eb0e 488bcb 488bd5 e8???????? }
$sequence_4hex{ 488d15e43c0400 488bce 4c8b04d8 498b4008 4d8b08 4889442428 418b4018 }
$sequence_5hex{ 7427 c6436301 e9???????? be03000000 eb23 be06000000 eb1c }
$sequence_6hex{ 4c0f45eb 48898c24b0000000 488d0d07110700 83f808 741a 83f810 740c }
$sequence_7hex{ 4c8d0de6100700 eb07 4c8d0dd9100700 8b470c 83f808 741a 83f810 }
$sequence_8hex{ eb24 482bc3 4883f802 7205 488bdd eb3b 488d0d45defeff }
$sequence_9hex{ 84c0 7505 397764 7423 440fb74f66 488d15d72f0600 }

Condition

7 of them and filesize < 1605632

In plain words (Heuristic)

  • The file must be smaller than 1605632 (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: f970c69b-e37d-55b6-8e45-640dbfe8fd22

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