ET MALWARE Win32/Kryptik.HCZR Variant Initial Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/?wqasd="; startswith;
content:"&qrjatyd=imofugclqu"; fast_pattern; endswith;
http.header_names;
content:"|0d 0a|Host|0d 0a 0d 0a|";
Raw source ET MALWARE Win32/Kryptik.HCZR Variant Initial Checkin · 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 Win32/Kryptik.HCZR Variant Initial Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/?wqasd="; startswith;
    content:"&qrjatyd=imofugclqu"; fast_pattern; endswith;
    http.header_names;
    content:"|0d 0a|Host|0d 0a 0d 0a|";
    reference:md5,9163f1f4f16ac8ec82eaa0a274850c36;
    reference:url,twitter.com/3XS0/status/1255491188565688323;
    classtype:command-and-control;
    sid:2030054; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_04_29, deployment Perimeter, deployment SSLDecrypt, malware_family Win32_Kryptik_HCZR, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_29;
)

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