YARA · Malpedia signator rules
MALPEDIA_Win_Cinobi_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: Cinobi.
Define 15 patrones (0 de texto, 15 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule MALPEDIA_Win_Cinobi_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "9f8d5cab-a1d4-5e55-ad07-f749a237b295"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.cinobi"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.cinobi_auto.yar#L1-L159"
= "N/A"
= "3e40e5e04d16a0012effa4f89b0d9a3d4781dd4f04d1a7fd73c189696493c163"
= 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 = { c9 c3 55 8bec 51 e8???????? 58 }
$sequence_1 = { 88459e 8b45c0 8a403a 88459f 8b45c0 8a4003 8845a0 }
$sequence_2 = { ff969b000000 5f 5e 5b c9 }
$sequence_3 = { 66898f881e0000 660fbe0e 66898f8a1e0000 660fbe4e14 66898f8c1e0000 }
$sequence_4 = { 8845f8 8b45c0 8a4003 8845f9 }
$sequence_5 = { 0345b4 8985a8faffff 8b85a8faffff 660fbe00 }
$sequence_6 = { 8a4646 88442429 8a06 8844242a }
$sequence_7 = { 660fbe463a 66898768230000 660fbe463f 6689876a230000 660fbe4654 }
$sequence_8 = { 8b45c0 8a4052 8845cd 8b45c0 }
$sequence_9 = { 8bec 837d10ff 750c ff750c e8???????? 59 894510 }
$sequence_10 = { 8a4624 88442417 8a4634 88442418 8a4624 88442419 }
$sequence_11 = { ff75f4 e8???????? ff765f 8986eb000000 ffb6ef000000 57 }
$sequence_12 = { 6a02 ff75ec 8b45f8 ff90cf000000 83f801 750a }
$sequence_13 = { ff75ec 8b45f8 ff90d3000000 6a00 ff75f0 }
$sequence_14 = { 885ddd 8a584f 884dbe 8855bf 8855d8 }
condition:
7 of them and filesize < 32768
}
Cadenas (15 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { c9 c3 55 8bec 51 e8???????? 58 } | |
| $sequence_1 | hex | { 88459e 8b45c0 8a403a 88459f 8b45c0 8a4003 8845a0 } | |
| $sequence_2 | hex | { ff969b000000 5f 5e 5b c9 } | |
| $sequence_3 | hex | { 66898f881e0000 660fbe0e 66898f8a1e0000 660fbe4e14 66898f8c1e0000 } | |
| $sequence_4 | hex | { 8845f8 8b45c0 8a4003 8845f9 } | |
| $sequence_5 | hex | { 0345b4 8985a8faffff 8b85a8faffff 660fbe00 } | |
| $sequence_6 | hex | { 8a4646 88442429 8a06 8844242a } | |
| $sequence_7 | hex | { 660fbe463a 66898768230000 660fbe463f 6689876a230000 660fbe4654 } | |
| $sequence_8 | hex | { 8b45c0 8a4052 8845cd 8b45c0 } | |
| $sequence_9 | hex | { 8bec 837d10ff 750c ff750c e8???????? 59 894510 } | |
| $sequence_10 | hex | { 8a4624 88442417 8a4634 88442418 8a4624 88442419 } | |
| $sequence_11 | hex | { ff75f4 e8???????? ff765f 8986eb000000 ffb6ef000000 57 } | |
| $sequence_12 | hex | { 6a02 ff75ec 8b45f8 ff90cf000000 83f801 750a } | |
| $sequence_13 | hex | { ff75ec 8b45f8 ff90d3000000 6a00 ff75f0 } | |
| $sequence_14 | hex | { 885ddd 8a584f 884dbe 8855bf 8855d8 } |
Condición
7 of them and filesize < 32768En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 32768 (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: 9f8d5cab-a1d4-5e55-ad07-f749a237b295
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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