alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE nspps Backdoor CnC Activity"; flow:established,to_server; http.header_names; to_lowercase; content:"|0d 0a|arch|0d 0a|"; content:"|0d 0a|cores|0d 0a|"; content:"|0d 0a|mem|0d 0a|"; content:"|0d 0a|os|0d 0a|"; content:"|0d 0a|osname|0d 0a|"; content:"|0d 0a|osversion|0d 0a|"; fast_pattern; content:"|0d 0a|root|0d 0a|"; content:"|0d 0a|uuid|0d 0a|"; content:"|0d 0a|version|0d 0a|"; reference:url,ironnet.com/blog/malware-analysis-nspps-a-go-rat-backdoor/; reference:md5,435716b4f56cf94fdb7f6085dced41e5; classtype:command-and-control; sid:2030108; rev:2; metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2020_05_05, deployment Perimeter, confidence High, signature_severity Major, updated_at 2024_04_20;)