alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/Generic Loader Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".php?a="; fast_pattern; content:"&cc="; distance:0; content:"&t="; distance:2; within:3; http.user_agent; content:"InnoDownloadPlugin"; startswith; http.header_names; content:!"Referer|0d 0a|"; reference:md5,fae39eb694e97da959edcf94abf038bd; classtype:trojan-activity; sid:2052455; rev:1; metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_07, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_07; target:src_ip;)