ET MALWARE Win32/VB.SDB CnC Beacon

Query · suricata

flow:established,to_server;
content:"Auth"; depth:4;
content:"|20 40 20|"; distance:0;
content:"|5c 23 2f|Microsoft|20|"; distance:0; fast_pattern;
Raw source ET MALWARE Win32/VB.SDB CnC Beacon · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/VB.SDB CnC Beacon";
    flow:established,to_server;
    content:"Auth"; depth:4;
    content:"|20 40 20|"; distance:0;
    content:"|5c 23 2f|Microsoft|20|"; distance:0; fast_pattern;
    reference:md5,5a9a8502b87ce1a6a608debd10761957;
    reference:url,securelist.com/blog/research/76717/inpage-zero-day-exploit-used-to-attack-financial-institutions-in-asia/;
    classtype:command-and-control;
    sid:2023544; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_23, deployment Perimeter, malware_family Win32_VB_SDB, confidence High, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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