ET EXPLOIT Linksys Smart WiFi Information Disclosure Attempt Inbound

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/JNAP/"; depth:6;
http.header;
content:"X-JNAP-Action|3a 20|http|3a 2f 2f|"; fast_pattern;
pcre:"/^(?:www\.)?(cisco|linksys)\.com\/jnap\//Ri";
http.request_body;
content:"|7b 7d|"; depth:2;
Raw source ET EXPLOIT Linksys Smart WiFi Information Disclosure Attempt Inbound · 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 EXPLOIT Linksys Smart WiFi Information Disclosure Attempt Inbound";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/JNAP/"; depth:6;
    http.header;
    content:"X-JNAP-Action|3a 20|http|3a 2f 2f|"; fast_pattern;
    pcre:"/^(?:www\.)?(cisco|linksys)\.com\/jnap\//Ri";
    http.request_body;
    content:"|7b 7d|"; depth:2;
    reference:url,raw.githubusercontent.com/zeropwn/Linksys-Smart-WiFi-Information-Disclosure/master/nss.py;
    classtype:attempted-recon;
    sid:2027357; rev:3;
    metadata:attack_target Networking_Equipment, created_at 2019_05_16, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_08_28, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1082, mitre_technique_name System_Information_Discovery;
)

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