ET MALWARE JS/Nemucod requesting EXE payload 2016-01-28

Query · suricata

flow:to_server,established;
urilen:>82;
flowbits:set,ET.nemucod.exerequest;
http.method;
content:"GET";
http.uri;
content:"/counter/?id="; nocase;
content:"&rnd="; nocase;
pcre:"/\/counter\/\?id=[A-Z0-9_-]{60,}&rnd=\d{1,}$/i";
http.header_names;
content:!"Referer";

Rule dependencies

Feeds into

  • 1 rule read ET.nemucod.exerequest · view all
Raw source ET MALWARE JS/Nemucod requesting EXE payload 2016-01-28 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE JS/Nemucod requesting EXE payload 2016-01-28";
    flow:to_server,established;
    urilen:>82;
    flowbits:set,ET.nemucod.exerequest;
    http.method;
    content:"GET";
    http.uri;
    content:"/counter/?id="; nocase;
    content:"&rnd="; nocase;
    pcre:"/\/counter\/\?id=[A-Z0-9_-]{60,}&rnd=\d{1,}$/i";
    http.header_names;
    content:!"Referer";
    reference:url,certego.net/en/news/italian-spam-campaigns-using-js-nemucod-downloader/;
    reference:md5,d5c5cc9cae2e9a7a2d3a77efcb526e4c;
    classtype:trojan-activity;
    sid:2022483; rev:7;
    metadata:created_at 2016_02_03, malware_family JS_Nemucod, signature_severity Major, updated_at 2020_08_18;
)

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