ET MALWARE Win32/Travnet.A Checkin

Query · suricata

flow:to_server,established;
http.uri;
content:".asp?hostid=";
content:"&hostname=";
content:"&hostip=";
content:"&filename=";
content:"&filestart=";
content:"&filetext=begin|3a 3a|"; fast_pattern;
pcre:"/\?hostid=[0-9A-F]+?&/";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Win32/Travnet.A Checkin · 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/Travnet.A Checkin";
    flow:to_server,established;
    http.uri;
    content:".asp?hostid=";
    content:"&hostname=";
    content:"&hostip=";
    content:"&filename=";
    content:"&filestart=";
    content:"&filetext=begin|3a 3a|"; fast_pattern;
    pcre:"/\?hostid=[0-9A-F]+?&/";
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,d04a7f30c83290b86cac8d762dcc2df5;
    reference:md5,cb9cc50b18a7c91cf4a34c624b90db5d;
    reference:url,www.microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=TrojanSpy%3AWin32%2FTravnet.A;
    reference:url,blogs.mcafee.com/mcafee-labs/travnet-botnet-steals-huge-amount-of-sensitive-data;
    reference:url,www.securelist.com/en/downloads/vlpdfs/kaspersky-the-net-traveler-part1-final.pdf;
    classtype:command-and-control;
    sid:2016968; rev:7;
    metadata:created_at 2013_03_01, malware_family Win32_Travnet_A, signature_severity Major, updated_at 2020_09_18;
)

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