alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible KONNI URI Path Observed"; flow:established,to_server; http.uri; content:"/weget/"; startswith; fast_pattern; content:".php"; within:12; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:url,us-cert.cisa.gov/ncas/alerts/aa20-227a; classtype:targeted-activity; sid:2030690; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_17, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_29;)