alert http any any -> $HOME_NET any (msg:"ET EXPLOIT Apache Struts 2 REST Plugin (B64) 6"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/struts2-rest-showcase/orders/3"; http.request_body; content:"|4b 2f 72 71 2b|"; reference:cve,2017-9805; reference:url,lgtm.com/blog/apache_struts_CVE-2017-9805_announcement; classtype:attempted-user; sid:2024673; rev:3; metadata:affected_product Apache_Struts2, attack_target Web_Server, created_at 2017_09_07, cve CVE_2017_9805, deployment Datacenter, signature_severity Critical, tag CISA_KEV, updated_at 2020_08_12;)