ET WEB_SPECIFIC_APPS Ivanti Connect Secure VPN IF-T/TLS HTTP Request

Query · suricata

flow:established,to_server;
xbits:set,ET.IFTTLS.HTTPRequest,track ip_pair,expire 30;
noalert;
http.method;
content:"GET";
http.content_type;
content:"EAP";
http.header;
content:"Upgrade|3a 20|IF-T/TLS"; fast_pattern;
target:dest_ip;

Rule dependencies

Feeds into

  • 1 rule read ET.IFTTLS.HTTPRequest · view all
Raw source ET WEB_SPECIFIC_APPS Ivanti Connect Secure VPN IF-T/TLS HTTP Request · 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 WEB_SPECIFIC_APPS Ivanti Connect Secure VPN IF-T/TLS HTTP Request";
    flow:established,to_server;
    xbits:set,ET.IFTTLS.HTTPRequest,track ip_pair,expire 30;
    noalert;
    http.method;
    content:"GET";
    http.content_type;
    content:"EAP";
    http.header;
    content:"Upgrade|3a 20|IF-T/TLS"; fast_pattern;
    reference:url,gitlab.com/openconnect/openconnect/-/blob/master/pulse.c;
    classtype:web-application-activity;
    sid:2059170; rev:1;
    metadata:affected_product Ivanti, attack_target Server, tls_state TLSDecrypt, created_at 2025_01_13, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2025_01_13;
    target:dest_ip;
)

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