YARA · Volexity threat-intel
VOLEXITY_Apt_Malware_Apk_Badbazaar_Stage2_Implant_May23
Detection of the second stage capability of the BadBazaar android malware that has the main malicious capabilities. Will gather various info about the user/phone and routinely send this to the C2.
- Autor
- threatintel@volexity.com
- Fecha
- 2023-05-25
- Modificada
- 2023-08-30
- Puntuación / Calidad
- 75 / 80
Qué detecta esta regla
Detection of the second stage capability of the BadBazaar android malware that has the main malicious capabilities. Will gather various info about the user/phone and routinely send this to the C2.
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_Apk_Badbazaar_Stage2_Implant_May23 : EVILBAMBOO FILE
{
meta:
= "Detection of the second stage capability of the BadBazaar android malware that has the main malicious capabilities. Will gather various info about the user/phone and routinely send this to the C2."
= "threatintel@volexity.com"
= "1f97c610-773f-5385-935a-445cb9192157"
= "2023-05-25"
= "2023-08-30"
= "https://github.com/volexity/threat-intel"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2023/2023-09-22 EvilBamboo/indicators/rules.yar#L257-L285"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
= "bf5f7fbf42236e89bcf663d2822d54bee89abaf3f247a54f371bf156e0e03629"
= "2186369298ebfa0b892ecb14ebacc93c6d14c9c35012e8e6cdff077634cf3773"
= 75
= 80
= "EVILBAMBOO, FILE"
= "file"
= "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
strings:
$c1 = "%{\"command\":\"%s\",\"path\":\"%s\",\"files\":["
$c2 = "{\"name\":\"%s\",\"dirs\":\"%d\",\"files\":\"%d\",\"isfolder\":\"%d\",\"path\":\"%s\"},"
$s1 = "Timezon id:"
$s2 = "China Telecom"
$s3 = "China Unicom"
$s4 = "ConfigPipe"
$s5 = "ForwordTo"
$s6 = "can't get camera content"
$s7 = "cat /sys/class/net/wlan0/address"
$s8 = "_preferences_light"
$s9 = "registration_jid"
condition:
1 of ( $c* ) or 5 of ( $s* )
}
Cadenas (11 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $c1 | texto | "%{\"command\":\"%s\",\"path\":\"%s\",\"files\":[" | |
| $c2 | texto | "{\"name\":\"%s\",\"dirs\":\"%d\",\"files\":\"%d\",\"isfolder\":\"%d\",\"path\":\"%s\"}," | |
| $s1 | texto | "Timezon id:" | |
| $s2 | texto | "China Telecom" | |
| $s3 | texto | "China Unicom" | |
| $s4 | texto | "ConfigPipe" | |
| $s5 | texto | "ForwordTo" | |
| $s6 | texto | "can't get camera content" | |
| $s7 | texto | "cat /sys/class/net/wlan0/address" | |
| $s8 | texto | "_preferences_light" | |
| $s9 | texto | "registration_jid" |
Condición
1 of ( $c* ) or 5 of ( $s* )En palabras sencillas (Heurística)
- Deben coincidir al menos 1 patrones de ( $c* ).
- Deben coincidir al menos 5 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.
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).
- bf5f7fbf42236e89bcf663d2822d54bee89abaf3f247a54f371bf156e0e03629
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: 1f97c610-773f-5385-935a-445cb9192157
Metadatos
| scan_context | file |
|---|
Etiquetas:EVILBAMBOOFILE
Reglas relacionadas
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2023-06-15
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2023-06-01
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2023-06-27
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2024-07-30
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2023-07-21
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2023-08-17
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2023-03-30
- APT / actorVolexity threat-intel· threatintel@volexity.com· 2022-11-03