diff --git a/detections/endpoint/windows_system_shutdown_commandline.yml b/detections/endpoint/windows_system_shutdown_commandline.yml index 3f6f5bf897..32d0824149 100644 --- a/detections/endpoint/windows_system_shutdown_commandline.yml +++ b/detections/endpoint/windows_system_shutdown_commandline.yml @@ -5,12 +5,15 @@ date: '2023-06-20' author: Teoderick Contreras, Splunk status: production type: Anomaly -description: The following analytic identifies Windows commandline to shutdown a windows - host machine. This technique was seen in several APT, RAT like dcrat and other commodity - malware to shutdown the machine to add more impact, interrupt access, aid destruction - of the system like wiping disk or inhibit system recovery. This TTP is a good pivot - to check why application trigger this commandline which is not so common way to - shutdown a machine. +description: This detection rule is designed to identify the execution of the Windows shutdown command via command line interface. + The shutdown command can be utilized by system administrators to properly halt, power off, or reboot a computer. + However, in a security context, attackers who have gained unauthorized access to a system may also use this command in an effort to erase tracks, + or to cause disruption and denial of service. In some instances, they might execute the shutdown command after installing a backdoor, + to force the system to restart, ensuring that changes take effect or evading detection by security tools. + Monitoring for the use of the Windows shutdown command, especially in conjunction with other unusual or unauthorized activities, + can be an important part of identifying malicious behavior within a network. + It is advised that security professionals analyze the context in which the shutdown command is being executed to differentiate between + legitimate administrative functions and potentially malicious activity. data_source: - Sysmon Event ID 1 search: '| tstats `security_content_summariesonly` values(Processes.process) as process