ET EXPLOIT DLink DNS 320 Remote Code Execution (CVE-2019-16057)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/cgi-bin/login_mgr.cgi"; fast_pattern;
content:"cmd|3d|login"; distance:0;
content:"&port="; distance:0;
pcre:"/^\d{2,5}+(?!\&|\d)/R";
Raw source ET EXPLOIT DLink DNS 320 Remote Code Execution (CVE-2019-16057) · 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 DLink DNS 320 Remote Code Execution (CVE-2019-16057)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi-bin/login_mgr.cgi"; fast_pattern;
    content:"cmd|3d|login"; distance:0;
    content:"&port="; distance:0;
    pcre:"/^\d{2,5}+(?!\&|\d)/R";
    reference:cve,2019-16057;
    reference:url,blog.cystack.net/d-link-dns-320-rce/;
    classtype:attempted-admin;
    sid:2028603; rev:2;
    metadata:attack_target Networking_Equipment, created_at 2019_09_18, cve CVE_2019_16057, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2020_09_02, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.