This detection rule focuses on identifying potentially malicious behavior exhibited by common Windows processes when they initiate network connections without any command-line arguments. It utilizes data from the Cisco Network Visibility Module to detect such behaviors, which may indicate process injection techniques often used by malware to hide execution. Processes like `rundll32.exe`, `regsvr32.exe`, `svchost.exe`, and others are legitimate but can also be exploited in post-exploitation activities, like those seen with tools such as Cobalt Strike. The rule specifically flags connections made by these binaries when they lack command-line context, which raises suspicion of their legitimacy and signals possible communication with command and control (C&C) servers. The implementation requires the integration of Cisco NVM flow data into a Splunk environment with specific macro configurations for accurate detection and filtering of known false positives.