o1-high vs o1-low

In a Linux environment, you observe a process labeled like the cron daemon but running from an unexpected path. Investigate creation events to uncover the actual filename used by this fake cron process.

On a Windows system, someone ran PowerShell to copy a file from a remote machine’s C$ share to the local TEMP folder. Using process event logs, what full PowerShell command was executed to perform this action?

Investigate Windows process events for PowerShell activity that leverages WMI to register a scheduled task via XML import. What was the name of the XML file supplied to the RegisterByXml method?

On a Windows device, review the process execution logs to find instances where a built-in listing tool was piped into a string filter. Identify the process name that the attacker was searching for.

On a Windows host, investigate process events to find when Task Manager was launched via cmd with an unusual flag. What was the full command executed?

On a Windows host, find any scheduled task that was registered using PowerShell native cmdlets instead of schtasks.exe. What was the name given to the new task?

While reviewing Windows process events, you spot a PowerShell process executing a WMI enumeration cmdlet. What WMI class name did the attacker query?

On a Windows endpoint, review process execution logs to see if any PowerShell sessions were wiped clean. Which command was executed to clear the PowerShell history?

Windows: Investigate PowerShell process events for instances where a web client fetched and executed an external host-survey tool. What was the name of the script file that was downloaded and run?

A suspicious BITS transfer was orchestrated via bitsadmin.exe on Windows, creating a job to download and then execute a payload. Investigate the process event logs to determine what custom job name was specified when the BITS job was created.

On a Windows system, you notice a process that recursively enumerates files named 'Bookmarks' under every user profile directory. Which Windows command-line utility was used to perform that search?

On a Linux host, identify any processes that used ping with a large count value to introduce a delay before launching another process. What was the command executed immediately after the ping delay?

Within Windows process event logs, identify instances where the built-in net.exe utility is used to change a user account password. What was the new password argument passed in?

A Windows host shows a suspicious registry change under the LSA hive. Review recent registry events to locate any new entries under Authentication Packages and determine the name of the DLL the attacker added.

A suspicious file modification on a Linux device targeted the ~/.bash_profile file, apparently adding a new line. What was the full command string that was appended?

A Linux system shows a shell invocation that appears to be searching for files with elevated group permissions. Using the available process execution logs, determine exactly what command was run.

A Windows endpoint shows an Active Setup entry under Internet Explorer Core Fonts being altered with a StubPath value. Investigate the registry events and identify the payload that was set.

A security investigator suspects that someone attempted to dump stored web credentials on a Windows system using an in-built command-line tool. Review process creation logs to determine which executable was called to list the Web Credentials vault.

On Windows devices, hunt for PowerShell activity where a remote script is fetched and executed to perform LLMNR/NBNS spoofing. Which cmdlet kicked off the listener?

Investigating a Windows device, you suspect a non-standard executable was launched to set up a named pipe for client-server messaging. Determine the name of the executable that was run.

Review Linux process execution logs to find where the system journal service was stopped. Which utility was invoked to disable journal logging?

On a Windows device, a new inbound firewall rule was created unexpectedly. Review process execution records to identify the command-line utility responsible for adding the rule.

Investigate Windows registry modification events to find the name of the registry value that was changed under the WindowsFirewall policy path when someone turned the firewall off.

On the Windows device, a security check was run to detect debugger processes via PowerShell. Which tool (process) carried out this check?

An analyst suspects a user or script ran a service enumeration command on a Linux system. Review process events to find the service-listing invocation and specify the full command that was executed.