ET INFO ScreenConnect Initial Origin Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:24;
content:"/InstallerOriginInfo.axd"; fast_pattern;
http.host;
content:"check.screenconnect.com";
target:src_ip;
Raw source ET INFO ScreenConnect Initial Origin Checkin · 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 INFO ScreenConnect Initial Origin Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:24;
    content:"/InstallerOriginInfo.axd"; fast_pattern;
    http.host;
    content:"check.screenconnect.com";
    classtype:misc-activity;
    sid:2071164; rev:1;
    metadata:affected_product ScreenConnect, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_07_13, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag RMM, updated_at 2026_07_13;
    target:src_ip;
)

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.