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MALPEDIA_Win_Highnote_Auto

autogenerated rule brought to you by yara-signator

MalwareHighnoteMalpedia 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: Highnote.

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

Summary generated from the rule's metadata and condition.

Rule source

win-highnote-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Highnote_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "b0d28496-8673-59fb-b567-198b148df4f3"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.highnote"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.highnote_auto.yar#L1-L126"
		license_url = "N/A"
		logic_hash = "7cacc14b2d0dfaf54710df19550a1288a5ab7f5eb6146a6937a043c66ae24b0f"
		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 = { 3c7b bc9e36398f 8027e9 82ad42476080cd e009 }
		$sequence_1 = { 47 365e 3007 7bae 97 9d 884d13 }
		$sequence_2 = { a8b9 a1???????? 9c 6857414608 d4dc 59 93 }
		$sequence_3 = { 33c5 8945fc 8b4508 53 6808090000 8945e4 e8???????? }
		$sequence_4 = { 4f 59 7def 889de81be9ec b96b0b724f 262415 3a1f }
		$sequence_5 = { 0e ed 47 6908b79d84b8 6935????????3e1f20f8 4a d14529 }
		$sequence_6 = { e76e a9a4fec7f3 1b90bff8ccdd b1e4 f7f4 }
		$sequence_7 = { 0f85dc000000 b763 42 20ce e04b 2bea }
		$sequence_8 = { 1cfe 5f 3d4b9c06b4 12a4c5ea7849d5 ba7ab47152 1c98 d24cdca8 }
		$sequence_9 = { 3cff 145d 853e 235ee7 }

	condition:
		7 of them and filesize < 321536
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 3c7b bc9e36398f 8027e9 82ad42476080cd e009 }
$sequence_1hex{ 47 365e 3007 7bae 97 9d 884d13 }
$sequence_2hex{ a8b9 a1???????? 9c 6857414608 d4dc 59 93 }
$sequence_3hex{ 33c5 8945fc 8b4508 53 6808090000 8945e4 e8???????? }
$sequence_4hex{ 4f 59 7def 889de81be9ec b96b0b724f 262415 3a1f }
$sequence_5hex{ 0e ed 47 6908b79d84b8 6935????????3e1f20f8 4a d14529 }
$sequence_6hex{ e76e a9a4fec7f3 1b90bff8ccdd b1e4 f7f4 }
$sequence_7hex{ 0f85dc000000 b763 42 20ce e04b 2bea }
$sequence_8hex{ 1cfe 5f 3d4b9c06b4 12a4c5ea7849d5 ba7ab47152 1c98 d24cdca8 }
$sequence_9hex{ 3cff 145d 853e 235ee7 }

Condition

7 of them and filesize < 321536

In plain words (Heuristic)

  • The file must be smaller than 321536 (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: b0d28496-8673-59fb-b567-198b148df4f3

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