ET MALWARE Linux/Lady CnC Beacon 1

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/pm.sh?"; fast_pattern;
pcre:"/^\/pm\.sh\?\d+$/";
http.user_agent;
content:"curl/"; startswith;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Linux/Lady CnC Beacon 1 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Linux/Lady CnC Beacon 1";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/pm.sh?"; fast_pattern;
    pcre:"/^\/pm\.sh\?\d+$/";
    http.user_agent;
    content:"curl/"; startswith;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,86ac68e5b09d1c4b157193bb6cb34007;
    reference:url,vms.drweb.com/virus/?_is=1&i=8400817;
    classtype:command-and-control;
    sid:2023034; rev:4;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2016_08_10, deployment Perimeter, malware_family Linux_Lady, signature_severity Major, tag c2, updated_at 2020_10_06, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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