text code block:process where event.type in ("start", "process_started") and process.name in ("sh", "bash", "zsh", "dash", "zmodload") and process.args : ("*/dev/tcp/*", "*/dev/udp/*", "*zsh/net/tcp*", "*zsh/net/udp*") and /* noisy FPs */ not (process.parent.name : "timeout" and process.executable : "/var/lib/docker/overlay*") and not process.command_line : ( "*/dev/tcp/sirh_db/*", "*/dev/tcp/remoteiot.com/*", "*dev/tcp/elk.stag.one/*", "*dev/tcp/kafka/*", "*/dev/tcp/$0/$1*", "*/dev/tcp/127.*", "*/dev/udp/127.*", "*/dev/tcp/localhost/*", "*/dev/tcp/itom-vault/*") and not process.parent.command_line : "runc init"
Install detection rules in Elastic Security
Detect Potential Reverse Shell Activity via Terminal in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).