ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M4

Query · suricata

flow:established,to_server;
http.user_agent; bsize:3;
content:"EXE"; fast_pattern;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE Win32/Kryptik.HMCH Dropper User-Agent M4 · 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.HMCH Dropper User-Agent M4";
    flow:established,to_server;
    http.user_agent; bsize:3;
    content:"EXE"; fast_pattern;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    reference:md5,59075c68ce103414d52aabced411043c;
    classtype:trojan-activity;
    sid:2033771; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_23, deployment Perimeter, malware_family Win32_Kryptik_HMCH, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;
)

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