Defense Evasion (TA0005)(external, opens in a new tab or window)
text code block:process where event.type == "start" and event.action in ("exec", "start") and ( ( process.args in ( "--dangerously-skip-permissions", "--allow-dangerously-skip-permissions", "--permission-mode=bypassPermissions" ) or (process.args == "--permission-mode" and process.args == "bypassPermissions") ) and ( process.name in ("claude", "claude.exe") or process.executable : ( "*/.local/share/claude/versions/*", "*/.claude/downloads/*", "*Caskroom/claude-code/*", "*\\Claude\\versions\\*" ) or (process.name in ("node", "node.exe") and process.args : "*@anthropic-ai/claude-code*") ) ) or ( ( process.args in ("--dangerously-bypass-approvals-and-sandbox", "--full-auto", "--yolo") or process.command_line : ( "* -s danger-full-access*", "*--sandbox danger-full-access*", "*--sandbox=danger-full-access*", "*--ask-for-approval never*", "*--ask-for-approval=never*" ) ) and ( process.name in ( "codex", "codex.exe", "codex-exec", "codex-aarch64-apple-darwin", "codex-x86_64-apple-darwin", "codex-linux-arm64", "codex-linux-x64" ) or (process.name in ("node", "node.exe") and process.args : ("*@openai/codex*", "*/codex", "*\\codex*")) ) ) or ( ( process.args in ("--yolo", "-y") or (process.args == "--approval-mode" and process.args == "yolo") or process.args == "--approval-mode=yolo" ) and ( process.name in ("gemini", "gemini-cli", "gemini.exe", "gemini-cli.exe") or (process.name in ("node", "node.exe") and process.args : ("*@google/gemini-cli*", "*/gemini", "*\\gemini*")) ) ) or ( ( process.args in ( "--yolo", "--autopilot", "--allow-all", "--allow-all-tools", "--allow-all-paths", "--allow-all-urls" ) ) and ( process.name in ("copilot", "copilot.exe") or (process.name in ("node", "node.exe") and process.args : ("*@github/copilot*", "*/copilot", "*\\copilot*")) ) ) or ( process.args == "--dangerously-skip-permissions" and ( process.name in ("opencode", "opencode.exe", ".opencode") or process.executable : ("*opencode-ai*", "*\\.opencode*") or (process.name in ("node", "node.exe") and process.args : ("*opencode-ai*", "*/opencode", "*\\opencode*")) ) )
Install detection rules in Elastic Security
Detect GenAI CLI Started with Unsafe Permission Bypass 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).