ET MALWARE Win32/Sventore.B CnC Checkin

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST / ";
http.user_agent;
content:"DownloadMR|2f|"; startswith; fast_pattern;
content:"|3b 20|m|3d|"; distance:0;
content:"|3b 20|u|3d|"; distance:0;
content:"aurora|29|"; endswith;
http.header_names;
content:"|0d 0a|Content-Type|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|"; startswith;
Raw source ET MALWARE Win32/Sventore.B CnC 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/Sventore.B CnC Checkin";
    flow:established,to_server;
    http.request_line;
    content:"POST / ";
    http.user_agent;
    content:"DownloadMR|2f|"; startswith; fast_pattern;
    content:"|3b 20|m|3d|"; distance:0;
    content:"|3b 20|u|3d|"; distance:0;
    content:"aurora|29|"; endswith;
    http.header_names;
    content:"|0d 0a|Content-Type|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|"; startswith;
    reference:md5,0b14251c628fa7b8f7effc092acfbed0;
    classtype:trojan-activity;
    sid:2043455; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_01_23, deployment Perimeter, malware_family Win32_Sventore_B, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_23, reviewed_at 2024_12_24;
)

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