ET EXPLOIT Totolink - Command Injection Attempt Inbound (CVE-2022-26210)

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:"/cgi-bin/cstecgi.cgi";
http.request_body;
content:"setUpgradeFW"; fast_pattern;
content:"FileName|3a 20 3a|"; distance:0;
pcre:"/^(?:\x3b|\x0a|\x26|\x60|\x7c|\x24)/R";
Raw source ET EXPLOIT Totolink - Command Injection Attempt Inbound (CVE-2022-26210) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Totolink - Command Injection Attempt Inbound (CVE-2022-26210)";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/cgi-bin/cstecgi.cgi";
    http.request_body;
    content:"setUpgradeFW"; fast_pattern;
    content:"FileName|3a 20 3a|"; distance:0;
    pcre:"/^(?:\x3b|\x0a|\x26|\x60|\x7c|\x24)/R";
    reference:cve,2022-26210;
    classtype:attempted-admin;
    sid:2035744; rev:2;
    metadata:attack_target Networking_Equipment, created_at 2022_04_05, cve CVE_2022_26210, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, updated_at 2022_04_05, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
)

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