alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2021-22175 GitLab Affecting All Versions Starting - Server-Side Request Forgery"; flow:established,to_server; http.request_body; content:"http://"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2021-22175; reference:url,https://www.exploit.observer/?keyword=CVE-2021-22175&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=gitlab&match=exact; sid:1010707; rev:1;)