ET MALWARE TA453/CharmingKitten HYPERSCRAPE Tool Sending System Information (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/?Key="; startswith;
content:"&Crc="; distance:0; fast_pattern;
http.request_body;
content:"|22|appName|22 3a 20 22|Gmail Downloader|22|";
Raw source ET MALWARE TA453/CharmingKitten HYPERSCRAPE Tool Sending System Information (POST) · Suricata
Esc
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 MALWARE TA453/CharmingKitten HYPERSCRAPE Tool Sending System Information (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/?Key="; startswith;
    content:"&Crc="; distance:0; fast_pattern;
    http.request_body;
    content:"|22|appName|22 3a 20 22|Gmail Downloader|22|";
    reference:url,blog.google/threat-analysis-group/new-iranian-apt-data-extraction-tool/;
    classtype:trojan-activity;
    sid:2038596; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_08_23, deployment Perimeter, malware_family TA453, malware_family APT35, malware_family CharmingKitten, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_23;
)

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