ET MALWARE Maldoc Second Stage VBS Downloader with URL Padding

Query · suricata

flow:established,to_server;
http.uri;
content:".exe???????????????"; nocase; fast_pattern;
pcre:"/\.exe\?+$/i";
http.user_agent;
content:"WinHttp.WinHttpRequest.";
Raw source ET MALWARE Maldoc Second Stage VBS Downloader with URL Padding · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Maldoc Second Stage VBS Downloader with URL Padding";
    flow:established,to_server;
    http.uri;
    content:".exe???????????????"; nocase; fast_pattern;
    pcre:"/\.exe\?+$/i";
    http.user_agent;
    content:"WinHttp.WinHttpRequest.";
    reference:md5,57ce6f966c6b441fe82a211647c6e863;
    classtype:trojan-activity;
    sid:2023739; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_01_12, deployment Perimeter, malware_family Maldoc, performance_impact Low, confidence High, signature_severity Major, tag MalDoc, updated_at 2020_10_07;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.