YARA · Malpedia signator rules
MALPEDIA_Win_Transbox_Auto
autogenerated rule brought to you by yara-signator
- 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
rule MALPEDIA_Win_Transbox_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "6f117e62-8575-5fe3-8195-6ec80d2fbbd5"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.transbox"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.transbox_auto.yar#L1-L127"
= "N/A"
= "00f5f7654b95fc913f44a97a6f4a0a9d519ac1eefc2272bdb980d385a462b743"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "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)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6683f95a 7609 8d419f 6683f819 7771 53 } | |
| $sequence_1 | hex | { 50 6a01 e8???????? ffb5ccd3ffff 68???????? ff15???????? 59 } | |
| $sequence_2 | hex | { c20800 68???????? e8???????? cc b8???????? c3 55 } | |
| $sequence_3 | hex | { 57 56 ff7508 e8???????? e9???????? 53 ff7508 } | |
| $sequence_4 | hex | { 740c c74318acbb0110 befdffffff 8b4b28 57 51 } | |
| $sequence_5 | hex | { 8d45d4 53 0f4345d4 8945d0 e8???????? 8bf8 397de4 } | |
| $sequence_6 | hex | { 59 6a69 58 6a36 } | |
| $sequence_7 | hex | { 50 50 8d85b8fbffff 68???????? 50 e8???????? } | |
| $sequence_8 | hex | { 66898338070000 e8???????? 898334070000 8d45f8 50 8d8308020000 } | |
| $sequence_9 | hex | { 50 51 ff15???????? 8bd8 83c40c 85db 7434 } |
Condition
7 of them and filesize < 288768In 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
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
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)
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
| 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 |
Tags:FILE
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