ET MALWARE Win32/BlackSun.B Retrieving Payload

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/web/getcommand.php?getcmd="; startswith; fast_pattern;
content:"&uid="; distance:0;
content:"&port="; distance:0;
http.user_agent;
content:"blacksun"; nocase;
Raw source ET MALWARE Win32/BlackSun.B Retrieving Payload · 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/BlackSun.B Retrieving Payload";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/web/getcommand.php?getcmd="; startswith; fast_pattern;
    content:"&uid="; distance:0;
    content:"&port="; distance:0;
    http.user_agent;
    content:"blacksun"; nocase;
    reference:md5,008e8ebdcfd68dcc065205c611b57834;
    classtype:trojan-activity;
    sid:2045311; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_05_03, deployment Perimeter, malware_family Win32_BlackSun_B, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_03;
)

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.