YARA · BlackBerry Research & Intelligence (via Open-Source-YARA-rules)
BLACKBERRY_Boratratinformation
Detects BoratRAT Information Module
- Autor
- BlackBerry Threat Research Team
- Fecha
- 2022-04-13
- Modificada
- 2022-07-07
- Puntuación / Calidad
- 75 / 85
Qué detecta esta regla
Detects BoratRAT Information Module
Objetivos: PE de Windows.
Define 7 patrones (6 de texto, 1 hex, 0 regex).
YARA-X dice: warning[text_as_hex]: hex pattern could be written as text literal
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule BLACKBERRY_Boratratinformation : FILE
{
meta:
= "Detects BoratRAT Information Module"
= "BlackBerry Threat Research Team"
= "2bd2ec00-3aa5-5f41-9e5b-713398a35b4a"
= "2022-04-13"
= "2022-07-07"
= "https://blogs.blackberry.com/en/2022/04/threat-thursday-boratrat"
= "https://github.com/mikesxrs/Open-Source-YARA-rules/blob/ec0056f767db98bf6d5fd63877ad51fb54d350e9/Blackberry/BoratRATInformation.yar#L1-L45"
= "N/A"
= "17545a0834e339039361802a6d675303a975b9de013620068f1a516e49e3138f"
= 75
= 85
= "FILE"
= "This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team"
strings:
$s1 = "set_UseShellExecute"
$s2 = "execCMD"
$s3 = "hostname" wide
$s4 = "ipconfig" wide
$s5 = "tasklist" wide
$s6 = "arp -a" wide
$sp = {43 3A 5C 55 73 65 72 73 5C 41 64 6D 69 6E 69
73 74 72 61 74 6F 72 5C 44 6F 77 6E 6C 6F 61
64 73 5C 53 61 6E 74 61 52 61 74 2D 6D 61 69
6E 5C 42 69 6E 61 72 69 65 73 5C 52 65 6C 65
61 73 65 5C 50 6C 75 67 69 6E 73 5C 49 6E 66
6F 72 6D 61 74 69 6F 6E 2E 70 64 62}
condition:
uint16( 0 ) == 0x5a4d and all of them
}
Cadenas (7 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $s1 | texto | "set_UseShellExecute" | |
| $s2 | texto | "execCMD" | |
| $s3 | texto | "hostname" | wide |
| $s4 | texto | "ipconfig" | wide |
| $s5 | texto | "tasklist" | wide |
| $s6 | texto | "arp -a" | wide |
| $sp | hex | {43 3A 5C 55 73 65 72 73 5C 41 64 6D 69 6E 69 73 74 72 61 74 6F 72 5C 44 6F 77 6E 6C 6F 61 64 73 5C 53 61 6E 74 61 52 … |
Condición
uint16( 0 ) == 0x5a4d and all of themEn palabras sencillas (Heurística)
- El archivo debe empezar por «MZ»: un ejecutable de Windows (PE).
- Deben coincidir todos los 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: BlackBerry Threat Research Team
Repositorio de origen: BlackBerry Research & Intelligence (via Open-Source-YARA-rules) @ ec0056f767
Licencia: Apache License 2.0 (indicada en los metadatos de la regla)
“This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team”
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: 2bd2ec00-3aa5-5f41-9e5b-713398a35b4a
Etiquetas:FILE
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