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Cisco Isovalent - Pods Running Offensive Tools

The following analytic detects execution of known offensive tooling from within Kubernetes pods, including network scanners and post-exploitation frameworks (e.g., nmap, masscan, zmap, impacket-*, hashcat, john,…

Description

The following analytic detects execution of known offensive tooling from within Kubernetes pods, including network scanners and post-exploitation frameworks (e.g., nmap, masscan, zmap, impacket-*, hashcat, john, SharpHound, kube-hunter, peirates). We have created a macro named `linux_offsec_tool_processes` that contains the list of known offensive tooling found on linux systems. Adversaries commonly introduce these tools into compromised workloads to conduct discovery, lateral movement, credential access, or cluster reconnaissance. This behavior may indicate a compromised container or supply-chain abuse. Extra scrutiny is warranted for namespaces that do not typically run diagnostic scanners and for pods that suddenly begin invoking these binaries outside of normal maintenance activity.

Detection logic

Detection requirements

Platform
ContainersIaaS

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

Log source category
cisco_isovalent_process_exec

Known benign triggers

  • Security testing, approved red team exercises, or sanctioned diagnostics can trigger this analytic. Coordinate allowlists and maintenance windows with platform/SecOps teams. Please update a macro named `linux_offsec_tool_processes` that contains the list of known offensive tooling found on linux systems if your environment has additional known offensive tools that are not included in the macro.

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