ET ADWARE_PUP CoinSurf Proxy CnC Response (Refesh Token)

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.response_body;
content:"|7b 22|refresh|22 3a 22|eyJ0eXA"; startswith; fast_pattern;
content:".eyJ0b2tlbl90eXBlIjoicmVmcmVzaC"; within:67;
Raw source ET ADWARE_PUP CoinSurf Proxy CnC Response (Refesh Token) · 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 ADWARE_PUP CoinSurf Proxy CnC Response (Refesh Token)";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"|7b 22|refresh|22 3a 22|eyJ0eXA"; startswith; fast_pattern;
    content:".eyJ0b2tlbl90eXBlIjoicmVmcmVzaC"; within:67;
    reference:md5,7f04ef97ddb1bcc3fa473b9a01ce4164;
    classtype:pup-activity;
    sid:2038556; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2022_08_18, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_18, reviewed_at 2024_01_26;
)

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