ET MALWARE Win32/Farfli.BAL CnC Activity

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /2112.html|20|"; startswith; fast_pattern;
http.host;
pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/";
Raw source ET MALWARE Win32/Farfli.BAL CnC Activity · 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 -> $EXTERNAL_NET [1024:] (
    msg:"ET MALWARE Win32/Farfli.BAL CnC Activity";
    flow:established,to_server;
    http.request_line;
    content:"GET /2112.html|20|"; startswith; fast_pattern;
    http.host;
    pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/";
    reference:md5,32547c9f7c7c870ee12fdf944e8afb34;
    classtype:trojan-activity;
    sid:2036453; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_29, deployment Perimeter, malware_family Win32_Farfli_BAL, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_02;
)

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