alert http $EXTERNAL_NET any -> any any (
msg:"ET HUNTING Generic IOT Downloader Malware in GET (Inbound)";
flow:established,to_server;
content:"GET "; depth:4;
content:"wget http"; within:200;
content:"|20 3b 20|chmod "; within:200; fast_pattern;
content:"|20 3b 20|./"; within:100;
classtype:bad-unknown;
sid:2029012; rev:2;
metadata:affected_product Linux, attack_target IoT, created_at 2019_11_20, deployment Perimeter, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_11_20;
)