Elastic high stable eql

Potential Protocol Tunneling via EarthWorm

Identifies the execution of the EarthWorm tunneler. Adversaries may tunnel network communications to and from a victim system within a separate protocol to avoid detection and network filtering, or to enable access to otherwise unreachable systems.

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Detection Logic

process where host.os.type == "linux" and event.type == "start" and
event.action in ("exec", "start", "exec_event", "ProcessRollup2", "executed", "exec_event", "process_started") and
process.args : "-s" and process.args : "-d" and process.args : "rssocks"

Field Validations

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