ET EXPLOIT VisualDoor Sonicwall SSL VPN Exploit Attempt

Query · suricata

flow:established,to_server;
http.uri;
content:"/cgi-bin/jarrewrite.sh"; endswith; fast_pattern;
http.user_agent;
content:"|28 29 20 7b|";
Raw source ET EXPLOIT VisualDoor Sonicwall SSL VPN Exploit Attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT VisualDoor Sonicwall SSL VPN Exploit Attempt";
    flow:established,to_server;
    http.uri;
    content:"/cgi-bin/jarrewrite.sh"; endswith; fast_pattern;
    http.user_agent;
    content:"|28 29 20 7b|";
    reference:url,darrenmartyn.ie/2021/01/24/visualdoor-sonicwall-ssl-vpn-exploit/;
    reference:cve,2014-6271;
    classtype:attempted-admin;
    sid:2031543; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_01_25, cve CVE_2014_6271, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_25;
)

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