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MALPEDIA_Win_Tildeb_Auto

autogenerated rule brought to you by yara-signator

MalwareTildebMalpedia 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: Tildeb.

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

Summary generated from the rule's metadata and condition.

Rule source

win-tildeb-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tildeb_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "eb305449-5b3b-5160-966f-298ae31af147"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.tildeb"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tildeb_auto.yar#L1-L129"
		license_url = "N/A"
		logic_hash = "966c30ecae6c911a7ff546cfd289148116a3e200dc70373695f42352909858ed"
		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 = { 51 ffd5 8d7c245c 83c9ff 33c0 83c418 f2ae }
		$sequence_1 = { 53 56 8944242c ffd7 83c41c 8d542410 }
		$sequence_2 = { 57 50 51 e8???????? 6808010000 8d542428 }
		$sequence_3 = { 8bde 8a54041c 81e3ff000000 33d3 c1ee08 8b1495f0c34000 33f2 }
		$sequence_4 = { 8985c0f5ffff 85c0 7446 50 68???????? 68???????? }
		$sequence_5 = { e8???????? 83c404 8d95e0f5ffff 52 ff15???????? e9???????? 6810270000 }
		$sequence_6 = { 56 57 8b4314 8d14c8 3bd0 }
		$sequence_7 = { eb04 8b742418 8b442418 8b0d???????? 8d542424 52 50 }
		$sequence_8 = { c3 b815000000 5e 81c494010000 c3 f7d8 5e }
		$sequence_9 = { b90e000000 33c0 f3ab eb1b b938000000 8d7c321c 2bca }

	condition:
		7 of them and filesize < 8532488
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 51 ffd5 8d7c245c 83c9ff 33c0 83c418 f2ae }
$sequence_1hex{ 53 56 8944242c ffd7 83c41c 8d542410 }
$sequence_2hex{ 57 50 51 e8???????? 6808010000 8d542428 }
$sequence_3hex{ 8bde 8a54041c 81e3ff000000 33d3 c1ee08 8b1495f0c34000 33f2 }
$sequence_4hex{ 8985c0f5ffff 85c0 7446 50 68???????? 68???????? }
$sequence_5hex{ e8???????? 83c404 8d95e0f5ffff 52 ff15???????? e9???????? 6810270000 }
$sequence_6hex{ 56 57 8b4314 8d14c8 3bd0 }
$sequence_7hex{ eb04 8b742418 8b442418 8b0d???????? 8d542424 52 50 }
$sequence_8hex{ c3 b815000000 5e 81c494010000 c3 f7d8 5e }
$sequence_9hex{ b90e000000 33c0 f3ab eb1b b938000000 8d7c321c 2bca }

Condition

7 of them and filesize < 8532488

In plain words (Heuristic)

  • The file must be smaller than 8532488 (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: eb305449-5b3b-5160-966f-298ae31af147

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