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MALPEDIA_Win_Transbox_Auto

autogenerated rule brought to you by yara-signator

MalwareTransboxMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X (with warnings)
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 73

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Transbox.

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

YARA-X says: warning[text_as_hex]: hex pattern could be written as text literal

Summary generated from the rule's metadata and condition.

Rule source

win-transbox-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Transbox_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "6f117e62-8575-5fe3-8195-6ec80d2fbbd5"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.transbox"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.transbox_auto.yar#L1-L127"
		license_url = "N/A"
		logic_hash = "00f5f7654b95fc913f44a97a6f4a0a9d519ac1eefc2272bdb980d385a462b743"
		score = 75
		quality = 73
		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 = { 6683f95a 7609 8d419f 6683f819 7771 53 }
		$sequence_1 = { 50 6a01 e8???????? ffb5ccd3ffff 68???????? ff15???????? 59 }
		$sequence_2 = { c20800 68???????? e8???????? cc b8???????? c3 55 }
		$sequence_3 = { 57 56 ff7508 e8???????? e9???????? 53 ff7508 }
		$sequence_4 = { 740c c74318acbb0110 befdffffff 8b4b28 57 51 }
		$sequence_5 = { 8d45d4 53 0f4345d4 8945d0 e8???????? 8bf8 397de4 }
		$sequence_6 = { 59 6a69 58 6a36 }
		$sequence_7 = { 50 50 8d85b8fbffff 68???????? 50 e8???????? }
		$sequence_8 = { 66898338070000 e8???????? 898334070000 8d45f8 50 8d8308020000 }
		$sequence_9 = { 50 51 ff15???????? 8bd8 83c40c 85db 7434 }

	condition:
		7 of them and filesize < 288768
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 6683f95a 7609 8d419f 6683f819 7771 53 }
$sequence_1hex{ 50 6a01 e8???????? ffb5ccd3ffff 68???????? ff15???????? 59 }
$sequence_2hex{ c20800 68???????? e8???????? cc b8???????? c3 55 }
$sequence_3hex{ 57 56 ff7508 e8???????? e9???????? 53 ff7508 }
$sequence_4hex{ 740c c74318acbb0110 befdffffff 8b4b28 57 51 }
$sequence_5hex{ 8d45d4 53 0f4345d4 8945d0 e8???????? 8bf8 397de4 }
$sequence_6hex{ 59 6a69 58 6a36 }
$sequence_7hex{ 50 50 8d85b8fbffff 68???????? 50 e8???????? }
$sequence_8hex{ 66898338070000 e8???????? 898334070000 8d45f8 50 8d8308020000 }
$sequence_9hex{ 50 51 ff15???????? 8bd8 83c40c 85db 7434 }

Condition

7 of them and filesize < 288768

In plain words (Heuristic)

  • The file must be smaller than 288768 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

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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: 6f117e62-8575-5fe3-8195-6ec80d2fbbd5

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