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MALPEDIA_Win_Kegotip_Auto

autogenerated rule brought to you by yara-signator

MalwareKegotipMalpedia 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: Kegotip.

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

Summary generated from the rule's metadata and condition.

Rule source

win-kegotip-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Kegotip_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "a3a248cc-b997-575f-ad2e-565db9605781"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.kegotip"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.kegotip_auto.yar#L1-L121"
		license_url = "N/A"
		logic_hash = "eae1cffe4e8dfa27f32726651b27b3a820b1c9cf25bb1c87b8c1c6317b5ebea2"
		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 = { 6800800000 6a00 ff15???????? a3???????? 833d????????00 752d 8b0d???????? }
		$sequence_1 = { 50 64892500000000 81c4e4feffff 53 }
		$sequence_2 = { 83c408 8d95f8feffff 52 8b4508 50 ff15???????? }
		$sequence_3 = { c78570ffffff01000000 8b9570ffffff 895580 8b4580 6bc014 }
		$sequence_4 = { 7408 8b450c 3b4514 7604 }
		$sequence_5 = { 8b4d08 034d8c 0fb611 52 e8???????? 83c404 0fb6c0 }
		$sequence_6 = { c785f8fdffffff000000 eb09 8b4510 8985f8fdffff 8b8df8fdffff 894d10 }
		$sequence_7 = { 8dbd4cfbffff f3a5 a4 a1???????? 898540fbffff b915000000 }
		$sequence_8 = { 56 8b4508 0fb608 894df8 8b55f8 c1e208 }
		$sequence_9 = { 3b4dfc 7324 8b5510 0355e4 8b45f4 0345f8 }

	condition:
		7 of them and filesize < 278528
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 6800800000 6a00 ff15???????? a3???????? 833d????????00 752d 8b0d???????? }
$sequence_1hex{ 50 64892500000000 81c4e4feffff 53 }
$sequence_2hex{ 83c408 8d95f8feffff 52 8b4508 50 ff15???????? }
$sequence_3hex{ c78570ffffff01000000 8b9570ffffff 895580 8b4580 6bc014 }
$sequence_4hex{ 7408 8b450c 3b4514 7604 }
$sequence_5hex{ 8b4d08 034d8c 0fb611 52 e8???????? 83c404 0fb6c0 }
$sequence_6hex{ c785f8fdffffff000000 eb09 8b4510 8985f8fdffff 8b8df8fdffff 894d10 }
$sequence_7hex{ 8dbd4cfbffff f3a5 a4 a1???????? 898540fbffff b915000000 }
$sequence_8hex{ 56 8b4508 0fb608 894df8 8b55f8 c1e208 }
$sequence_9hex{ 3b4dfc 7324 8b5510 0355e4 8b45f4 0345f8 }

Condition

7 of them and filesize < 278528

In plain words (Heuristic)

  • The file must be smaller than 278528 (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: a3a248cc-b997-575f-ad2e-565db9605781

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