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Azure AKS Pod Exec Potential Reverse Shell

Detects successful AKS pod exec sessions whose command resembles reverse-shell or bind-shell one-liner patterns, including /dev/tcp, /dev/udp and gawk /inet redirection, interactive invocation of any common shell,…

Description

Detects successful AKS pod exec sessions whose command resembles reverse-shell or bind-shell one-liner patterns, including /dev/tcp, /dev/udp and gawk /inet redirection, interactive invocation of any common shell, the netcat and ncat exec/listener forms, socat command-execution and listener addresses, mkfifo and mknod pipelines, socket idioms across Python, Perl, PHP, Ruby, Lua and Node, and tooling such as gsocket, openssl s_server and xterm. Legitimate debug sessions sometimes use similar building blocks, but together these patterns align with post-exploitation interactive access and command-and-control.

Detection logic

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Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

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