alert http [$HOME_NET,$HTTP_SERVERS] any -> any any (
msg:"ET EXPLOIT UDP Technology Firmware (IP Cam) - Auth Bypass Attempt Outbound (CVE-2021-33543)";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/uapi-cgi/"; fast_pattern;
pcre:"/^.{1,50}\/uapi-cgi\//Ui";
content:".cgi"; endswith;
reference:url,www.randorisec.fr/udp-technology-ip-camera-vulnerabilities/;
reference:cve,2021-33543;
classtype:attempted-admin;
sid:2033308; rev:1;
metadata:created_at 2021_07_09, cve CVE_2021_33543, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_09;
)