ET ATTACK_RESPONSE Possibly Malicious VBS Writing to Persistence Registry Location

Query · suricata

flow:established,from_server;
http.stat_code;
content:"200";
file.data;
content:"on|20|error|20|resume|20|next"; nocase;
content:".regwrite|20 22|"; distance:0;
content:"|5c|software|5c|microsoft|5c|windows|5c|currentversion|5c|run"; within:80; fast_pattern;
Raw source ET ATTACK_RESPONSE Possibly Malicious VBS Writing to Persistence Registry Location · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET ATTACK_RESPONSE Possibly Malicious VBS Writing to Persistence Registry Location";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    file.data;
    content:"on|20|error|20|resume|20|next"; nocase;
    content:".regwrite|20 22|"; distance:0;
    content:"|5c|software|5c|microsoft|5c|windows|5c|currentversion|5c|run"; within:80; fast_pattern;
    reference:md5,cac1aedbcb417dcba511db5caae4b8c0;
    classtype:bad-unknown;
    sid:2026427; rev:5;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2018_09_28, deployment Perimeter, deployment alert_only, performance_impact Low, signature_severity Major, tag VBS, tag Persistence, updated_at 2023_04_19;
)

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