ET MALWARE Win32/Onliner Requesting Additional Modules

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?&1001="; fast_pattern;
content:"&99="; distance:1; within:5;
content:"&f2="; distance:0;
http.protocol;
content:"HTTP/1.0";
http.header_names;
content:"Accept-Charset";
content:!"Referer";
content:!"Cache";
Raw source ET MALWARE Win32/Onliner Requesting Additional Modules · 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/Onliner Requesting Additional Modules";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?&1001="; fast_pattern;
    content:"&99="; distance:1; within:5;
    content:"&f2="; distance:0;
    http.protocol;
    content:"HTTP/1.0";
    http.header_names;
    content:"Accept-Charset";
    content:!"Referer";
    content:!"Cache";
    reference:url,www.blueliv.com/blog/research/analysis-spam-distribution-botnet-onliner-spambot/;
    classtype:trojan-activity;
    sid:2027809; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_06, deployment Perimeter, malware_family Onliner, performance_impact Low, confidence High, signature_severity Major, tag SpamBot, updated_at 2020_08_31;
)

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