ET INFO Citrix Netscaler Gateway Last Patched Date Discovery (nsepa_setup[64] .exe)

Query · suricata

flow:established,to_server;
http.uri;
content:"/epa/scripts/win/nsepa_setup"; fast_pattern;
content:"|2e|exe"; distance:0;
target:dest_ip;
Raw source ET INFO Citrix Netscaler Gateway Last Patched Date Discovery (nsepa_setup[64] .exe) · 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 INFO Citrix Netscaler Gateway Last Patched Date Discovery (nsepa_setup[64] .exe)";
    flow:established,to_server;
    http.uri;
    content:"/epa/scripts/win/nsepa_setup"; fast_pattern;
    content:"|2e|exe"; distance:0;
    reference:url,kolbi.cz/blog/2015/05/26/fingerprinting-netscaler-gateway-version/;
    classtype:attempted-recon;
    sid:2067294; rev:1;
    metadata:affected_product Citrix, tls_state TLSDecrypt, created_at 2026_02_04, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, updated_at 2026_02_04;
    target:dest_ip;
)

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