ET MALWARE TA399/SideWinder Related Malware Activity M2 (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/2/0/1/"; offset:12; depth:9;
content:"/files-"; distance:51; within:7;
content:"/hta"; fast_pattern; distance:8; within:4; endswith;
Raw source ET MALWARE TA399/SideWinder Related Malware Activity M2 (GET) · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE TA399/SideWinder Related Malware Activity M2 (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/2/0/1/"; offset:12; depth:9;
    content:"/files-"; distance:51; within:7;
    content:"/hta"; fast_pattern; distance:8; within:4; endswith;
    reference:md5,6c8ac90f16acfc0ca871f74d47ac3856;
    classtype:trojan-activity;
    sid:2039548; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_10_24, deployment Perimeter, deployment SSLDecrypt, malware_family Sidewinder, confidence High, signature_severity Major, tag TA399, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_24;
)

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