ET MALWARE JS/Batloader Payload Request (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
pcre:"/^\x2f[a-z0-9]{6}\x2findex\x2f[a-z0-9]{2,32}(\x2f|\x3f)/";
content:"?servername=msi"; endswith; fast_pattern;
Raw source ET MALWARE JS/Batloader Payload Request (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 JS/Batloader Payload Request (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    pcre:"/^\x2f[a-z0-9]{6}\x2findex\x2f[a-z0-9]{2,32}(\x2f|\x3f)/";
    content:"?servername=msi"; endswith; fast_pattern;
    reference:url,twitter.com/SquiblydooBlog/status/1598089057879625732;
    classtype:trojan-activity;
    sid:2041665; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_02, deployment Perimeter, deployment SSLDecrypt, malware_family JS_Batloader, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_02;
)

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