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Suspicious Network Tool Launch Detected via Defend for Containers

This rule detects commonly abused network utilities running inside a container. Network utilities like nc, nmap, dig, tcpdump, ngrep, telnet, mitmproxy, zmap can be used for malicious purposes such as network…

Description

This rule detects commonly abused network utilities running inside a container. Network utilities like nc, nmap, dig, tcpdump, ngrep, telnet, mitmproxy, zmap can be used for malicious purposes such as network reconnaissance, monitoring, or exploitation, and should be monitored closely within a container.

Detection logic

Its licence does not clear it for publishing here

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Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesPREWindows

The rule states no platform. This is derived from the 4 ATT&CK techniques it maps to.

Log source category
event_index

Known benign triggers

  • There is a potential for false positives if the container is used for legitimate tasks that require the use of network utilities, such as network troubleshooting, testing or system monitoring. It is important to investigate any alerts generated by this rule to determine if they are indicative of malicious activity or part of legitimate container activity.

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