ET MALWARE Win32/Corrempa/HZRAT CnC Checkin

Query · suricata

flow:established,to_server;
dsize:9;
content:"|40 42 42 42 46|"; depth:5;
Raw source ET MALWARE Win32/Corrempa/HZRAT CnC Checkin · 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 $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET MALWARE Win32/Corrempa/HZRAT CnC Checkin";
    flow:established,to_server;
    dsize:9;
    content:"|40 42 42 42 46|"; depth:5;
    reference:md5,8c20c5719a44d47173d98d0574dd1b9c;
    reference:md5,b3815b65619c39e597c0762c3659031c;
    reference:url,twitter.com/DCSO_CyTec/status/1592866591926255619;
    reference:md5,609c81dc8568d8a72d170b66a3146340;
    classtype:trojan-activity;
    sid:2039799; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_16, deployment Perimeter, malware_family HZRAT, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_17, former_sid 2843065;
)

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