YARA · Malpedia signator rules
MALPEDIA_Win_Catb_Auto
autogenerated rule brought to you by yara-signator
- Autor
- Felix Bilstein - yara-signator at cocacoding dot com
- Fecha
- 2026-05-04
- Modificada
- 2026-05-18
- Puntuación / Calidad
- 75 / 75
Qué detecta esta regla
autogenerated rule brought to you by yara-signator
Familia de malware asociada: Catb.
Define 10 patrones (0 de texto, 10 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule MALPEDIA_Win_Catb_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "5f727573-f261-5578-8b83-74ab1ed31834"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.catb"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.catb_auto.yar#L1-L118"
= "N/A"
= "2f34f99c9516d4cefe1f06a36fd1a871f11ac79e7a0d20c0f60d54be32dad4b9"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { e9???????? 488d0543dd0300 4a8b04e8 42f644f83840 7405 }
$sequence_1 = { 90 488d1db6a90300 488d3537fe0000 48895c2420 }
$sequence_2 = { 488d159bdc0000 483950f0 740b 488b10 }
$sequence_3 = { 428844f13e 4b8b84e0403e0400 42804cf03d04 38558f ebcc ff15???????? 894597 }
$sequence_4 = { 0fb7c0 66f3ab 488d3d10130100 482bfe 8a041f 8803 }
$sequence_5 = { eb16 b902000000 e8???????? 483bd8 757a 488d3df0d50300 ff05???????? }
$sequence_6 = { 48ffcb ffc2 0fb603 4280bc087098010000 74e3 440fb603 }
$sequence_7 = { 8bda 4c8d057e7e0000 488bf9 488d151c750000 }
$sequence_8 = { 488bf8 4885c0 0f8483000000 41b812000000 488d1569550100 488bc8 ff15???????? }
$sequence_9 = { 488bc3 498784f6803c0400 4885c0 7409 }
condition:
7 of them and filesize < 593920
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { e9???????? 488d0543dd0300 4a8b04e8 42f644f83840 7405 } | |
| $sequence_1 | hex | { 90 488d1db6a90300 488d3537fe0000 48895c2420 } | |
| $sequence_2 | hex | { 488d159bdc0000 483950f0 740b 488b10 } | |
| $sequence_3 | hex | { 428844f13e 4b8b84e0403e0400 42804cf03d04 38558f ebcc ff15???????? 894597 } | |
| $sequence_4 | hex | { 0fb7c0 66f3ab 488d3d10130100 482bfe 8a041f 8803 } | |
| $sequence_5 | hex | { eb16 b902000000 e8???????? 483bd8 757a 488d3df0d50300 ff05???????? } | |
| $sequence_6 | hex | { 48ffcb ffc2 0fb603 4280bc087098010000 74e3 440fb603 } | |
| $sequence_7 | hex | { 8bda 4c8d057e7e0000 488bf9 488d151c750000 } | |
| $sequence_8 | hex | { 488bf8 4885c0 0f8483000000 41b812000000 488d1569550100 488bc8 ff15???????? } | |
| $sequence_9 | hex | { 488bc3 498784f6803c0400 4885c0 7409 } |
Condición
7 of them and filesize < 593920En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 593920 (un límite barato que descarta archivos grandes).
- Deben coincidir al menos 7 patrones de la regla.
Prueba esta regla en tu navegador
Arrastra un archivo para escanearlo con esta regla usando YARA-X compilado a WebAssembly. No se sube nada.
Licencia y atribución
Autor: Felix Bilstein - yara-signator at cocacoding dot com
Repositorio de origen: Malpedia signator rules @ c901f97b7d
Licencia: Creative Commons Attribution-ShareAlike 4.0 (licencia del repositorio)
Obtenida a través de YARA Forge 20260927, que añade a los nombres el prefijo de la fuente y campos meta normalizados.
Id de la regla: 5f727573-f261-5578-8b83-74ab1ed31834
Metadatos
| 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 |
Etiquetas:FILE
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