ET MALWARE SideCopy APT Related Backdoor Sending System Information (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/streamcmd?AV="; startswith; fast_pattern;
content:"&OS="; distance:0;
content:"&Vesrion="; distance:0;
content:"&detail="; distance:0;
http.user_agent;
content:"cpp-httplib/"; startswith;
Raw source ET MALWARE SideCopy APT Related Backdoor Sending System Information (GET) · 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 SideCopy APT Related Backdoor Sending System Information (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/streamcmd?AV="; startswith; fast_pattern;
    content:"&OS="; distance:0;
    content:"&Vesrion="; distance:0;
    content:"&detail="; distance:0;
    http.user_agent;
    content:"cpp-httplib/"; startswith;
    reference:url,twitter.com/malwareforme/status/1636005291849396224;
    classtype:trojan-activity;
    sid:2044625; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_15, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_15;
)

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