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MALPEDIA_Win_Knight_Auto

autogenerated rule brought to you by yara-signator

MalwareKnightMalpedia 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: Knight.

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

Summary generated from the rule's metadata and condition.

Rule source

win-knight-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Knight_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "6ede2123-44fc-5e00-a980-aeb4686f20ac"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.knight"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.knight_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "fc999c598d533221ddbbccee6dda79ef9ba8acb6f15a3bba510a8479e781d600"
		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 = { e8???????? 488d3d639e2f00 0f1f00 e8???????? e8???????? 48898424081f0000 48899c24d0020000 }
		$sequence_1 = { 72b8 eb1b 31c0 488d5c241a b920000000 e8???????? 488b6c2468 }
		$sequence_2 = { e8???????? 4889442428 48c70000000000 488d0514eb0d00 e8???????? 4889442420 488d0583961000 }
		$sequence_3 = { eb14 488b442458 488b7c2428 488b5c2440 488b4c2430 488bb020100000 4c8b8028100000 }
		$sequence_4 = { 90 ff82d8000000 498b5630 31c0 488d3590215800 bf01000000 f00fb13e }
		$sequence_5 = { c681e400000000 b9ffffffff 488d1514da5200 f00fc10a ffc9 85c9 7c62 }
		$sequence_6 = { eb1d 440fb64c3428 4129d1 418d51e9 88543c28 418d50e9 88543428 }
		$sequence_7 = { eb10 4889c7 488b8c2490000000 e8???????? 488b4c2450 48894810 833d????????00 }
		$sequence_8 = { e8???????? 31db 488d0d61312300 4889c7 31c0 488bac2448010000 4881c450010000 }
		$sequence_9 = { e8???????? e8???????? 4889c3 488d05e17b2700 90 e8???????? 4c89d8 }

	condition:
		7 of them and filesize < 12149760
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ e8???????? 488d3d639e2f00 0f1f00 e8???????? e8???????? 48898424081f0000 48899c24d0020000 }
$sequence_1hex{ 72b8 eb1b 31c0 488d5c241a b920000000 e8???????? 488b6c2468 }
$sequence_2hex{ e8???????? 4889442428 48c70000000000 488d0514eb0d00 e8???????? 4889442420 488d0583961000 }
$sequence_3hex{ eb14 488b442458 488b7c2428 488b5c2440 488b4c2430 488bb020100000 4c8b8028100000 }
$sequence_4hex{ 90 ff82d8000000 498b5630 31c0 488d3590215800 bf01000000 f00fb13e }
$sequence_5hex{ c681e400000000 b9ffffffff 488d1514da5200 f00fc10a ffc9 85c9 7c62 }
$sequence_6hex{ eb1d 440fb64c3428 4129d1 418d51e9 88543c28 418d50e9 88543428 }
$sequence_7hex{ eb10 4889c7 488b8c2490000000 e8???????? 488b4c2450 48894810 833d????????00 }
$sequence_8hex{ e8???????? 31db 488d0d61312300 4889c7 31c0 488bac2448010000 4881c450010000 }
$sequence_9hex{ e8???????? e8???????? 4889c3 488d05e17b2700 90 e8???????? 4c89d8 }

Condition

7 of them and filesize < 12149760

In plain words (Heuristic)

  • The file must be smaller than 12149760 (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: 6ede2123-44fc-5e00-a980-aeb4686f20ac

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