ET INFO Onion/TOR Successful Proxy Request Response (Inbound)

Query · suricata

flow:established,from_server;
content:"|05 00 00 01 00 00 00 00 00 00|"; startswith; fast_pattern;
flowbits:isset,ET.zhtrap1;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET INFO Onion/TOR Successful Proxy Request Response (Inbound) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET INFO Onion/TOR Successful Proxy Request Response (Inbound)";
    flow:established,from_server;
    content:"|05 00 00 01 00 00 00 00 00 00|"; startswith; fast_pattern;
    flowbits:isset,ET.zhtrap1;
    reference:url,blog.netlab.360.com/new_threat_zhtrap_botnet_en/;
    classtype:bad-unknown;
    sid:2032084; rev:3;
    metadata:attack_target Client_and_Server, created_at 2021_03_16, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_08;
)

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