YARA · Volexity threat-intel
VOLEXITY_Apt_Malware_Py_Agentpsd
Detection for AgentPSD, a python-based malware typically delivered within PyInstaller-built binaries.
- Autor
- threatintel@volexity.com
- Fecha
- 2025-09-05
- Modificada
- 2025-10-30
- Puntuación / Calidad
- 75 / 80
Qué detecta esta regla
Detection for AgentPSD, a python-based malware typically delivered within PyInstaller-built binaries.
Define 11 patrones (11 de texto, 0 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule VOLEXITY_Apt_Malware_Py_Agentpsd : VERDANTBAMBOO AGENTPSD MEMORY
{
meta:
= "Detection for AgentPSD, a python-based malware typically delivered within PyInstaller-built binaries."
= "threatintel@volexity.com"
= "4a7d531f-926d-557e-b2a0-d4f103e9c63a"
= "2025-09-05"
= "2025-10-30"
= "https://github.com/volexity/threat-intel"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2026/2026-06-04 VerdantBamboo/rules.yar#L137-L171"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
= "ee41e06ed96182ce80cd4544a6abd5d7719c4a5c0e5ddb266a83842d39b99b0a"
= "dd0b957bc2a61ddebd392b86b35bae8c1052a285fa31ccd700e580c2ad9cce59"
= 75
= 80
= "VERDANTBAMBOO, AGENTPSD, MEMORY"
= "all"
= "all"
= "memory"
= "critical"
= "TIB-20251104"
= "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
= 12297
= 5
strings:
$s1 = "g_strPhpUrl" ascii
$s2 = "g_nSleepMinits" ascii
$s3 = "g_nDuringTime" ascii
$func1 = "startwork" ascii
$func2 = "ifrunning" ascii
$func3 = "getsysinfo" ascii
$func4 = "getcmdfromweb" ascii
$func5 = "ParseCmdFromResponse" ascii
$func6 = "PostDataToServer" ascii
$func7 = "DealWithBuildinCommand" ascii
$func8 = "PostBuildinResultToWeb" ascii
condition:
2 of ( $s* ) or 4 of ( $func* )
}
Cadenas (11 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $s1 | texto | "g_strPhpUrl" | ascii |
| $s2 | texto | "g_nSleepMinits" | ascii |
| $s3 | texto | "g_nDuringTime" | ascii |
| $func1 | texto | "startwork" | ascii |
| $func2 | texto | "ifrunning" | ascii |
| $func3 | texto | "getsysinfo" | ascii |
| $func4 | texto | "getcmdfromweb" | ascii |
| $func5 | texto | "ParseCmdFromResponse" | ascii |
| $func6 | texto | "PostDataToServer" | ascii |
| $func7 | texto | "DealWithBuildinCommand" | ascii |
| $func8 | texto | "PostBuildinResultToWeb" | ascii |
Condición
2 of ( $s* ) or 4 of ( $func* )En palabras sencillas (Heurística)
- Deben coincidir al menos 2 patrones de ( $s* ).
- Deben coincidir al menos 4 patrones de ( $func* ).
Prueba esta regla en tu navegador
Arrastra un archivo para escanearlo con esta regla usando YARA-X compilado a WebAssembly. No se sube nada.
Referencias
Hashes de muestras
Hashes de las muestras que el autor lista en los metadatos de la regla (búscalos en tu plataforma de threat intelligence).
- ee41e06ed96182ce80cd4544a6abd5d7719c4a5c0e5ddb266a83842d39b99b0a
Licencia y atribución
Autor: threatintel@volexity.com
Repositorio de origen: Volexity threat-intel @ 3a9d0b5245
Licencia: BSD 2-Clause License (indicada en los metadatos de la regla)
“See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt”
Aviso de copyright: Copyright 2022 by Volexity, Inc.
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: 4a7d531f-926d-557e-b2a0-d4f103e9c63a
Metadatos
| os | all |
|---|---|
| os_arch | all |
| scan_context | memory |
| severity | critical |
| report1 | TIB-20251104 |
| rule_id | 12297 |
| version | 5 |
Etiquetas:VERDANTBAMBOOAGENTPSDMEMORY
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