alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SCAN WordPress HelloThinkCMF Scan"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/?a=fetch&content="; startswith; content:"die(@md5(HelloThinkCMF))"; fast_pattern; distance:0; http.header_names; content:!"Referer"; classtype:network-scan; sid:2034838; rev:3; metadata:affected_product Web_Server_Applications, attack_target Server, created_at 2021_12_22, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_14;)