ET POLICY Packity Proxy Connection

Query · suricata

flow:established,to_server;
http.start;
content:"CONNECT /PROVIDER/PROXY2 HTTP/1.1|0d 0a|Host|3a 20|"; startswith; fast_pattern;
content:"|0d 0a|Proxy-Authorization|3a 20|Basic "; distance:0;
content:"=|0d 0a|"; distance:119; within:3;
Raw source ET POLICY Packity Proxy Connection · Suricata
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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 POLICY Packity Proxy Connection";
    flow:established,to_server;
    http.start;
    content:"CONNECT /PROVIDER/PROXY2 HTTP/1.1|0d 0a|Host|3a 20|"; startswith; fast_pattern;
    content:"|0d 0a|Proxy-Authorization|3a 20|Basic "; distance:0;
    content:"=|0d 0a|"; distance:119; within:3;
    reference:md5,9d245ac24d0dad591d01d2ef52da3ead;
    classtype:bad-unknown;
    sid:2030800; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2020_08_26;
)

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