alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE JS/Cloud9 Cookie Exfiltration Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/cookie.php?c="; fast_pattern; startswith; content:"referer="; content:"rand="; reference:url,www.zimperium.com/blog/the-case-of-cloud9-chrome-botnet/; classtype:trojan-activity; sid:2039762; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_11_09, deployment Perimeter, deployment SSLDecrypt, malware_family JS_Cloud9, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_09;)