ET EXPLOIT Telesquare SDT-CW3B1 1.1.0 - OS Command Injection (CVE-2021-46422)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/cgi-bin/admin.cgi?Command=sysCommand&Cmd="; fast_pattern; startswith;
http.header_names;
content:!"Referer";
Raw source ET EXPLOIT Telesquare SDT-CW3B1 1.1.0 - OS Command Injection (CVE-2021-46422) · 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 Telesquare SDT-CW3B1 1.1.0 - OS Command Injection (CVE-2021-46422)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi-bin/admin.cgi?Command=sysCommand&Cmd="; fast_pattern; startswith;
    http.header_names;
    content:!"Referer";
    reference:cve,2021-46422;
    reference:url,twitter.com/momika233/status/1528742287072980992;
    classtype:attempted-admin;
    sid:2036663; rev:1;
    metadata:attack_target Networking_Equipment, created_at 2022_05_23, cve CVE_2021_46422, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_23, reviewed_at 2024_09_12, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
)

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