ET MALWARE Xbagger Macro Encrypted DL

Query · suricata

flow:established,to_server;
http.uri;
content:".jpg?"; fast_pattern;
pcre:"/^\/[a-z0-9]+\.jpg\?(?=[a-z0-9]*[A-Z]+[a-z0-9])[A-Za-z0-9]+=\d{1,4}$/";
http.header;
content:"Range";
http.user_agent;
content:"MSIE 7.0|3b 20|Windows NT";
Raw source ET MALWARE Xbagger Macro Encrypted DL · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Xbagger Macro Encrypted DL";
    flow:established,to_server;
    http.uri;
    content:".jpg?"; fast_pattern;
    pcre:"/^\/[a-z0-9]+\.jpg\?(?=[a-z0-9]*[A-Z]+[a-z0-9])[A-Za-z0-9]+=\d{1,4}$/";
    http.header;
    content:"Range";
    http.user_agent;
    content:"MSIE 7.0|3b 20|Windows NT";
    classtype:trojan-activity;
    sid:2022500; rev:7;
    metadata:created_at 2016_02_10, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_06;
)

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