Elastic Defend high stable eql

Reverse or Bind Shell via Suspicious Utility

Detects the creation of a reverse or bind shell through suspicious utilities. Attackers may spawn reverse or bind shells to establish persistence onto a target system.

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Detection Logic

process where event.type == "start" and event.action == "exec" and (
  (process.name == "nmap" and process.args like~ "--script=/tmp/tmp.*") or
  (process.name like "lua*" and process.args == "-e" and process.command_line like~ "*socket*") or
  (process.name in ("awk", "gawk", "nawk") and process.command_line like~ "*/inet/tcp*") or
  (process.name in ("rvim", "vim", "vimdiff", "rview", "view") and process.args == "-c" and process.command_line like~ "*socket*")
 ) and
not (process.parent.executable == "/usr/lib/git-core/git-difftool--helper")

Field Validations

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