alert http any any -> $HOME_NET any (msg:"ET EXPLOIT Selenium Server Chrome 3.141.59 Remote Code Execution"; flow:established,to_server; flowbits:set,ET.Selenium314159.RCE; urilen:15; http.method; content:"POST"; http.uri; content:"/wd/hub/session"; fast_pattern; http.request_body; content:"|22|goog|3a|chromeOptions|22|"; content:"|22|binary|22|"; content:"|22|args|22|"; content:"|5b 22|"; within:5; reference:url,github.com/BoredHackerBlog/selenium_code_exec_notes; classtype:attempted-admin; sid:2052319; rev:2; metadata:attack_target Web_Server, tls_state TLSDecrypt, created_at 2024_05_01, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_02, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)