Event Triggered Execution: DLL-библиотеки загружаемые с помощью Netsh
Other sub-techniques of Event Triggered Execution (17)
Adversaries may establish persistence by executing malicious content triggered by Netsh Helper DLLs. Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system. It contains functionality to add helper DLLs for extending functionality of the utility.(Citation: TechNet Netsh) The paths to registered netsh.exe helper DLLs are entered into the Windows Registry at HKLM\SOFTWARE\Microsoft\Netsh.
Adversaries can use netsh.exe helper DLLs to trigger execution of arbitrary code in a persistent manner. This execution would take place anytime netsh.exe is executed, which could happen automatically, with another persistence technique, or if other software (ex: VPN) is present on the system that executes netsh.exe as part of its normal functionality.(Citation: Github Netsh Helper CS Beacon)(Citation: Demaske Netsh Persistence)
Примеры процедур |
|
| Название | Описание |
|---|---|
| netsh |
netsh can be used as a persistence proxy technique to execute a helper DLL when netsh.exe is executed.(Citation: Demaske Netsh Persistence) |
Обнаружение
It is likely unusual for netsh.exe to have any child processes in most environments. Monitor process executions and investigate any child processes spawned by netsh.exe for malicious behavior. Monitor the HKLM\SOFTWARE\Microsoft\Netsh registry key for any new or suspicious entries that do not correlate with known system files or benign software.(Citation: Demaske Netsh Persistence)
Связанные риски
Каталоги
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