YARA · BlackBerry Research & Intelligence (via Open-Source-YARA-rules)
BLACKBERRY_Boratratkeylogger
Detects BoratRAT Keylogger
- Autor
- BlackBerry Threat Research Team
- Fecha
- 2022-04-13
- Modificada
- 2022-07-07
- Puntuación / Calidad
- 75 / 85
Qué detecta esta regla
Detects BoratRAT Keylogger
Objetivos: PE de Windows.
Define 6 patrones (5 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_Boratratkeylogger : FILE
{
meta:
= "Detects BoratRAT Keylogger"
= "BlackBerry Threat Research Team"
= "8bcec652-a76b-5bfc-bf2c-bb8ce6a88ed5"
= "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/BoratRATKeylogger.yar#L1-L39"
= "N/A"
= "ea3f39b675f02274b19b5732d065a0fcb05a4fe150f10a452a844af71b69aed2"
= 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 = "Sa8XOfH1BudXLog.txt" wide
$s2 = "[CAPSLOCK: ON]" wide
$s3 = "[CAPSLOCK: OFF]" wide
$s4 = "[SPACE]" wide
$s5 = "[ENTER]" 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 4B 65 79 6C 6F 67 67 65 72 2E 70 64 62 }
condition:
uint16( 0 ) == 0x5a4d and all of them
}
Cadenas (6 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $s1 | texto | "Sa8XOfH1BudXLog.txt" | wide |
| $s2 | texto | "[CAPSLOCK: ON]" | wide |
| $s3 | texto | "[CAPSLOCK: OFF]" | wide |
| $s4 | texto | "[SPACE]" | wide |
| $s5 | texto | "[ENTER]" | 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 61 74 2D 6D 61 69 6E … |
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: 8bcec652-a76b-5bfc-bf2c-bb8ce6a88ed5
Etiquetas:FILE
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