ET MALWARE Linux.Ngioweb Stage 1 CnC Activity Server Response (DISCONNECT)

Query · suricata

flow:established,to_client;
flowbits:isset,ET.Linux.Ngioweb;
content:" 200 OK|0d 0a|";
content:"|0d 0a 0d 0a|DISCONNECT "; distance:0; fast_pattern;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE Linux.Ngioweb Stage 1 CnC Activity Server Response (DISCONNECT) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Linux.Ngioweb Stage 1 CnC Activity Server Response (DISCONNECT)";
    flow:established,to_client;
    flowbits:isset,ET.Linux.Ngioweb;
    content:" 200 OK|0d 0a|";
    content:"|0d 0a 0d 0a|DISCONNECT "; distance:0; fast_pattern;
    reference:url,blog.netlab.360.com/an-analysis-of-linux-ngioweb-botnet-en/;
    classtype:command-and-control;
    sid:2027510; rev:2;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2019_06_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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