alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Generic IOT Downloader Malware in POST (Outbound)"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"wget"; content:".sh|3b 20|chmod +x|20|"; within:200; fast_pattern; content:"|3b 20|./"; within:100; classtype:bad-unknown; sid:2029009; rev:3; metadata:affected_product Linux, attack_target IoT, created_at 2019_11_20, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_04;)