The detection rule for 'HackTool - TruffleSnout Execution' is designed to identify executions of TruffleSnout.exe, a reconnaissance tool commonly used in Active Directory enumeration. This tool is utilized by offensive security operators for gaining situational awareness and performing targeted enumeration with minimal noise. The rule focuses on monitoring process creation logs in Windows environments, specifically looking for instances where the OriginalFileName matches 'TruffleSnout.exe' or the file path ends with 'TruffleSnout.exe'. The identification of this tool indicates a potential preparatory phase for further malicious activities, such as privilege escalation or lateral movement within the network. Given that the rule carries a high severity level, it emphasizes the need for immediate attention in potential infection or attacks that exploit this tool. The rule references the official documentation of TruffleSnout and its usage, providing insights into the tool's capabilities and how it can be misused in an offensive context.