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MALPEDIA_Win_Darkvision_Rat_Auto

autogenerated rule brought to you by yara-signator

MalwareDarkvision RatMalpedia 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: Darkvision Rat.

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

Summary generated from the rule's metadata and condition.

Rule source

win-darkvision-rat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Darkvision_Rat_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "d8f88a61-3b53-5e7f-a245-28c27259198d"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.darkvision_rat"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.darkvision_rat_auto.yar#L1-L132"
		license_url = "N/A"
		logic_hash = "8ccc68ca17af1f5ed3d9e6c6f99e00360018c95702d9b72c49381c60586654b0"
		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 = { 89842408040000 83bc240804000004 7d1f 4863842408040000 488b94c4e8030000 488b8c24e0030000 e8???????? }
		$sequence_1 = { 837c242000 7426 448b442420 33d2 b901001000 ff15???????? 4889442428 }
		$sequence_2 = { 48638c2420010000 486bc91c 48837c081800 7464 4863842408010000 4869c0040b0000 }
		$sequence_3 = { 4889442460 c784249801000000000000 eb10 8b842498010000 ffc0 89842498010000 }
		$sequence_4 = { 488d840108010000 4889842498020000 c78424f402000000000000 eb10 8b8424f4020000 ffc0 898424f4020000 }
		$sequence_5 = { 8b8c24ac000000 03c8 8bc1 898424ac000000 48638424a8000000 488b8c2430010000 4803c8 }
		$sequence_6 = { 488d9424f0000000 48c7c101000080 ff15???????? bafeff0000 b940000000 ff15???????? 48898424e8000000 }
		$sequence_7 = { 48c784246002000000000000 b9e8030000 ff15???????? 833d????????01 0f85ba000000 4883bc247802000000 0f85ab000000 }
		$sequence_8 = { 8b440124 8984249c010000 c78424a401000000000000 8b84249c010000 2500000004 85c0 7412 }
		$sequence_9 = { 4889442460 488b442460 4863403c 488b4c2460 4803c8 488bc1 4889442420 }

	condition:
		7 of them and filesize < 618496
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 89842408040000 83bc240804000004 7d1f 4863842408040000 488b94c4e8030000 488b8c24e0030000 e8???????? }
$sequence_1hex{ 837c242000 7426 448b442420 33d2 b901001000 ff15???????? 4889442428 }
$sequence_2hex{ 48638c2420010000 486bc91c 48837c081800 7464 4863842408010000 4869c0040b0000 }
$sequence_3hex{ 4889442460 c784249801000000000000 eb10 8b842498010000 ffc0 89842498010000 }
$sequence_4hex{ 488d840108010000 4889842498020000 c78424f402000000000000 eb10 8b8424f4020000 ffc0 898424f4020000 }
$sequence_5hex{ 8b8c24ac000000 03c8 8bc1 898424ac000000 48638424a8000000 488b8c2430010000 4803c8 }
$sequence_6hex{ 488d9424f0000000 48c7c101000080 ff15???????? bafeff0000 b940000000 ff15???????? 48898424e8000000 }
$sequence_7hex{ 48c784246002000000000000 b9e8030000 ff15???????? 833d????????01 0f85ba000000 4883bc247802000000 0f85ab000000 }
$sequence_8hex{ 8b440124 8984249c010000 c78424a401000000000000 8b84249c010000 2500000004 85c0 7412 }
$sequence_9hex{ 4889442460 488b442460 4863403c 488b4c2460 4803c8 488bc1 4889442420 }

Condition

7 of them and filesize < 618496

In plain words (Heuristic)

  • The file must be smaller than 618496 (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: d8f88a61-3b53-5e7f-a245-28c27259198d

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