YARA · Malpedia signator rules
MALPEDIA_Win_Petit_Potato_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: Petit Potato.
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_Petit_Potato_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "faf42773-999a-5989-b81d-5811249c6943"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.petit_potato"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.petit_potato_auto.yar#L1-L130"
= "N/A"
= "c1d02b88a45c3b14c7fe722ea8aece32c4629095fd0d70f6525501e57f2d48a5"
= 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 = { 4889442450 488b442450 4889842400060000 48b8501adcae54c47955 4889442450 }
$sequence_1 = { 48898520020000 488bf9 33f6 0f57c0 33c0 0f114540 0f114550 }
$sequence_2 = { 48c785080300000f000000 0f1f840000000000 49ffc0 46382400 75f7 488d9510010000 488d8df0020000 }
$sequence_3 = { b902000000 488d154e300100 e8???????? 4885c0 7415 488b4c2460 4c8bcb }
$sequence_4 = { 4889442420 e8???????? 488d2d7f400100 4c8d0578410100 498bd5 498bce e8???????? }
$sequence_5 = { 488b442430 48897c2430 48898598060000 488b442430 4889742430 488985a0060000 488b442430 }
$sequence_6 = { 660f6f8c24c0000000 660fef8c2470090000 660f7f8c24c0000000 660f6f8424d0000000 660fef842480090000 660f7f8424d0000000 660f6f8c24e0000000 }
$sequence_7 = { 4d85c0 7e2d 482bfe 488d1d25c7fdff 8a0437 }
$sequence_8 = { 488d4c2420 0f1102 e8???????? 488d05bde80100 488903 488bc3 4883c430 }
$sequence_9 = { 488d1d96de0200 488d05a7de0200 480f44d8 ba01000000 488d4c2420 e8???????? 4c8bc0 }
condition:
7 of them and filesize < 628736
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 4889442450 488b442450 4889842400060000 48b8501adcae54c47955 4889442450 } | |
| $sequence_1 | hex | { 48898520020000 488bf9 33f6 0f57c0 33c0 0f114540 0f114550 } | |
| $sequence_2 | hex | { 48c785080300000f000000 0f1f840000000000 49ffc0 46382400 75f7 488d9510010000 488d8df0020000 } | |
| $sequence_3 | hex | { b902000000 488d154e300100 e8???????? 4885c0 7415 488b4c2460 4c8bcb } | |
| $sequence_4 | hex | { 4889442420 e8???????? 488d2d7f400100 4c8d0578410100 498bd5 498bce e8???????? } | |
| $sequence_5 | hex | { 488b442430 48897c2430 48898598060000 488b442430 4889742430 488985a0060000 488b442430 } | |
| $sequence_6 | hex | { 660f6f8c24c0000000 660fef8c2470090000 660f7f8c24c0000000 660f6f8424d0000000 660fef842480090000 660f7f8424d0000000 660f6f8c24e0000000 } | |
| $sequence_7 | hex | { 4d85c0 7e2d 482bfe 488d1d25c7fdff 8a0437 } | |
| $sequence_8 | hex | { 488d4c2420 0f1102 e8???????? 488d05bde80100 488903 488bc3 4883c430 } | |
| $sequence_9 | hex | { 488d1d96de0200 488d05a7de0200 480f44d8 ba01000000 488d4c2420 e8???????? 4c8bc0 } |
Condición
7 of them and filesize < 628736En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 628736 (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: faf42773-999a-5989-b81d-5811249c6943
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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