Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Topinambour_Auto

autogenerated rule brought to you by yara-signator

MalwareTopinambourMalpedia 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: Topinambour.

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

Summary generated from the rule's metadata and condition.

Rule source

win-topinambour-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Topinambour_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "248239f8-95b8-583c-8553-e48d7a46283a"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.topinambour"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.topinambour_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "3b116af57ab25dd36210660cdcf34a024e37c1d655144c3fd22d92727ae67613"
		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 = { 2b1d 09 1106 1107 }
		$sequence_1 = { 02 282100000a 6f2200000a 25 6f1d00000a 16 6f2300000a }
		$sequence_2 = { 1105 8d0f000001 1306 16 1307 }
		$sequence_3 = { 6f1d00000a 7245000070 6f2000000a 25 6f1d00000a 7255000070 02 }
		$sequence_4 = { 20204e0000 6f0c00000a 09 2060ea0000 6f0d00000a }
		$sequence_5 = { 25 721d000070 6f0500000a 25 }
		$sequence_6 = { 730900000a 0c 6f0a00000a 17 1c 730b00000a }
		$sequence_7 = { 25 6f1d00000a 7255000070 02 282100000a }
		$sequence_8 = { 2e06 731000000a 7a 1104 16 }
		$sequence_9 = { 6f1400000a 2802000006 1308 281300000a 1108 6f1500000a }

	condition:
		7 of them and filesize < 50176
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 2b1d 09 1106 1107 }
$sequence_1hex{ 02 282100000a 6f2200000a 25 6f1d00000a 16 6f2300000a }
$sequence_2hex{ 1105 8d0f000001 1306 16 1307 }
$sequence_3hex{ 6f1d00000a 7245000070 6f2000000a 25 6f1d00000a 7255000070 02 }
$sequence_4hex{ 20204e0000 6f0c00000a 09 2060ea0000 6f0d00000a }
$sequence_5hex{ 25 721d000070 6f0500000a 25 }
$sequence_6hex{ 730900000a 0c 6f0a00000a 17 1c 730b00000a }
$sequence_7hex{ 25 6f1d00000a 7255000070 02 282100000a }
$sequence_8hex{ 2e06 731000000a 7a 1104 16 }
$sequence_9hex{ 6f1400000a 2802000006 1308 281300000a 1108 6f1500000a }

Condition

7 of them and filesize < 50176

In plain words (Heuristic)

  • The file must be smaller than 50176 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

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: 248239f8-95b8-583c-8553-e48d7a46283a

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