YARA · BlackBerry Research & Intelligence (via Open-Source-YARA-rules)
BLACKBERRY_Headertip
Detects HeaderTip
- Autor
- BlackBerry Threat Research Team
- Fecha
- 2022-04-06
- Modificada
- 2022-07-06
- Puntuación / Calidad
- 75 / 85
Qué detecta esta regla
Detects HeaderTip
Familia de malware asociada: Headertip.
Define 2 patrones (2 de texto, 0 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule BLACKBERRY_Headertip : FILE
{
meta:
= "Detects HeaderTip"
= "BlackBerry Threat Research Team"
= "8569fed8-0fa8-515a-8ca2-ca4c2a959bbe"
= "2022-04-06"
= "2022-07-06"
= "https://blogs.blackberry.com/en/2022/04/threat-thursday-headertip-backdoor-shows-attackers-from-china-preying-on-ukraine"
= "https://github.com/mikesxrs/Open-Source-YARA-rules/blob/ec0056f767db98bf6d5fd63877ad51fb54d350e9/Blackberry/HeaderTip.yar#L1-L18"
= "N/A"
= "426c6ebd4ebf85cc4b13d47dc77ae2648fba2b0ccdb7eeaea6b96f19a46c2d4e"
= 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 = "type %temp%\\officecleaner.dat >> %objfile%"
$s2 = "product2020.mrbasic.com" wide
condition:
filesize < 750KB and all of them
}
Cadenas (2 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $s1 | texto | "type %temp%\\officecleaner.dat >> %objfile%" | |
| $s2 | texto | "product2020.mrbasic.com" | wide |
Condición
filesize < 750KB and all of themEn palabras sencillas (Heurística)
- El archivo debe ocupar menos de 750KB (un límite barato que descarta archivos grandes).
- 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: 8569fed8-0fa8-515a-8ca2-ca4c2a959bbe
Etiquetas:FILE
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