ET EXPLOIT Sunhillo SureLine Unauthenticated OS Command Injection Inbound (CVE-2021-36380)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/cgi/networkDiag.cgi";
http.request_body;
content:"command="; startswith; nocase;
content:"&ipAddr="; nocase;
content:"&dnsAddr=|24 28|"; nocase; fast_pattern;
Raw source ET EXPLOIT Sunhillo SureLine Unauthenticated OS Command Injection Inbound (CVE-2021-36380) · 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 Sunhillo SureLine Unauthenticated OS Command Injection Inbound (CVE-2021-36380)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/cgi/networkDiag.cgi";
    http.request_body;
    content:"command="; startswith; nocase;
    content:"&ipAddr="; nocase;
    content:"&dnsAddr=|24 28|"; nocase; fast_pattern;
    reference:cve,2021-36380;
    classtype:attempted-admin;
    sid:2033459; rev:1;
    metadata:created_at 2021_07_27, cve CVE_2021_36380, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_27, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
)

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