ET MALWARE W32/Alina.POS-Trojan Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.accept;
content:"application/octet-stream"; bsize:24; fast_pattern;
http.user_agent;
content:"Mozilla/"; startswith;
content:"|20|InfoPath|2e|"; distance:0;
pcre:"/x20InfoPath\x2e\d[^\x29]+$/i";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE W32/Alina.POS-Trojan 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/Alina.POS-Trojan Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.accept;
    content:"application/octet-stream"; bsize:24; fast_pattern;
    http.user_agent;
    content:"Mozilla/"; startswith;
    content:"|20|InfoPath|2e|"; distance:0;
    pcre:"/x20InfoPath\x2e\d[^\x29]+$/i";
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,3959fb5b5909d9c6fb9c9a408d35f67a;
    reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-pos-ram-scraper-malware.pdf;
    classtype:command-and-control;
    sid:2019163; rev:4;
    metadata:created_at 2014_09_11, signature_severity Major, updated_at 2020_05_29;
)

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