ET MALWARE Win32/Delf.BLL Variant CnC Activity (Inbound)

Query · suricata

flow:established,to_client;
content:"|23 23 24 23 23 0d 0a|"; within:20;
dsize:<190;
Raw source ET MALWARE Win32/Delf.BLL Variant CnC Activity (Inbound) · Suricata
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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 any (
    msg:"ET MALWARE Win32/Delf.BLL Variant CnC Activity (Inbound)";
    flow:established,to_client;
    content:"|23 23 24 23 23 0d 0a|"; within:20;
    dsize:<190;
    reference:md5,f50a94513fd739f5f40a57879e2f3cff;
    classtype:trojan-activity;
    sid:2030559; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_20, deployment Perimeter, malware_family Win32_Delf_BLL, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_20;
)

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