YARA · CAPE Sandbox (CAPEv2)
CAPE_Mykings
No description has been set in the source file - CAPE
- Autor
- YungBinary
- Fecha
- 2025-10-24
- Modificada
- 2025-10-26
- Puntuación / Calidad
- 75 / 70
Qué detecta esta regla
No description has been set in the source file - CAPE
Objetivos: PE de Windows.
Define 13 patrones (10 de texto, 3 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule CAPE_Mykings : FILE
{
meta:
= "No description has been set in the source file - CAPE"
= "YungBinary"
= "c9d7b061-b76c-595c-a362-6c89c96093d9"
= "2025-10-24"
= "2025-10-26"
= "https://x.com/YungBinary/status/1981108948498333900"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/data/yara/CAPE/MyKings.yar#L1-L23"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
= "82647dd23c0247faa045893ec1cf111da2a30528a1b737b59ce1b71172a64473"
= 75
= 70
= "FILE"
= "MyKings Payload"
strings:
$s1 = "login.php?uid=0" wide
$s2 = "download.txt?rnd=" wide
$s3 = "AcceptOK" ascii
$s4 = "winsta0\\default" wide
$s5 = "base64_ip.txt" wide
$s6 = { 70 00 6F 00 77 00 65 00 72 00 74 00 6F 00 6F 00 6C 00 00 00 6B 00 61 00 73 00 70 00 65 00 72 00 73 00 6B 00 79 }
$s7 = { 53 00 61 00 66 00 65 00 00 00 00 00 45 00 73 00 65 00 74 }
$s8 = { 4E 00 6F 00 64 00 33 00 32 00 00 00 4D 00 61 00 6C 00 77 00 61 00 72 00 65 }
$s9 = "Custom C++ HTTP Client/1.0" wide
$s10 = "/ru \"SYSTEM\" /f" ascii
$s11 = "cmd.exe /C timeout /t 1 & del " wide
$s12 = "/login.aspx?uid=0" wide
$s13 = "cmd-230812.ru" base64
condition:
uint16( 0 ) == 0x5a4d and ( 3 of ( $s* ) )
}
Cadenas (13 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $s1 | texto | "login.php?uid=0" | wide |
| $s2 | texto | "download.txt?rnd=" | wide |
| $s3 | texto | "AcceptOK" | ascii |
| $s4 | texto | "winsta0\\default" | wide |
| $s5 | texto | "base64_ip.txt" | wide |
| $s6 | hex | { 70 00 6F 00 77 00 65 00 72 00 74 00 6F 00 6F 00 6C 00 00 00 6B 00 61 00 73 00 70 00 65 00 72 00 73 00 6B 00 79 } | |
| $s7 | hex | { 53 00 61 00 66 00 65 00 00 00 00 00 45 00 73 00 65 00 74 } | |
| $s8 | hex | { 4E 00 6F 00 64 00 33 00 32 00 00 00 4D 00 61 00 6C 00 77 00 61 00 72 00 65 } | |
| $s9 | texto | "Custom C++ HTTP Client/1.0" | wide |
| $s10 | texto | "/ru \"SYSTEM\" /f" | ascii |
| $s11 | texto | "cmd.exe /C timeout /t 1 & del " | wide |
| $s12 | texto | "/login.aspx?uid=0" | wide |
| $s13 | texto | "cmd-230812.ru" | base64 |
Condición
uint16( 0 ) == 0x5a4d and ( 3 of ( $s* ) )En palabras sencillas (Heurística)
- El archivo debe empezar por «MZ»: un ejecutable de Windows (PE).
- Deben coincidir al menos 3 patrones de ( $s* ).
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: YungBinary
Repositorio de origen: CAPE Sandbox (CAPEv2) @ 6b15e76f28
Licencia: GNU General Public License v3.0 (licencia del repositorio)
Aviso de copyright: Cuckoo Sandbox is copyrighted by the Cuckoo Foundation.
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: c9d7b061-b76c-595c-a362-6c89c96093d9
Metadatos
| cape_type | MyKings Payload |
|---|
Etiquetas:FILE
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