ET MALWARE nspps Backdoor CnC Activity

Query · suricata

flow:established,to_server;
http.header;
content:"|0d 0a|Arch|3a 20|";
content:"|0d 0a|Cores|3a 20|";
content:"|0d 0a|Mem|3a 20|";
content:"|0d 0a|Os|3a 20|";
content:"|0d 0a|Osname|3a 20|";
content:"|0d 0a|Osversion|3a 20|"; fast_pattern;
content:"|0d 0a|Root|3a 20|";
content:"|0d 0a|Uuid|3a 20|";
content:"|0d 0a|Version|3a 20|";
Raw source ET MALWARE nspps Backdoor CnC Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE nspps Backdoor CnC Activity";
    flow:established,to_server;
    http.header;
    content:"|0d 0a|Arch|3a 20|";
    content:"|0d 0a|Cores|3a 20|";
    content:"|0d 0a|Mem|3a 20|";
    content:"|0d 0a|Os|3a 20|";
    content:"|0d 0a|Osname|3a 20|";
    content:"|0d 0a|Osversion|3a 20|"; fast_pattern;
    content:"|0d 0a|Root|3a 20|";
    content:"|0d 0a|Uuid|3a 20|";
    content:"|0d 0a|Version|3a 20|";
    reference:url,ironnet.com/blog/malware-analysis-nspps-a-go-rat-backdoor/;
    reference:md5,435716b4f56cf94fdb7f6085dced41e5;
    classtype:command-and-control;
    sid:2030108; rev:1;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2020_05_05, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_05_05;
)

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