ET MALWARE Possible BlackEnergy Accessing SMB/SMB2 Named Pipe (Unicode)

Query · suricata

flow:to_server,established;
content:"SMB"; offset:5; depth:3;
content:"{|00|A|00|A|00|0|00|E|00|E|00|D|00|2|00|5|00|-|00|4|00|1|00|6|00|7|00|-|00|4|00|C|00|B|00|B|00|-|00|B|00|D|00|A|00|8|00|-|00|9|00|A|00|0|00|F|00|5|00|F|00|F|00|9|00|3|00|E|00|A|00|8|00|}"; distance:0; nocase;
Raw source ET MALWARE Possible BlackEnergy Accessing SMB/SMB2 Named Pipe (Unicode) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> any [139,445] (
    msg:"ET MALWARE Possible BlackEnergy Accessing SMB/SMB2 Named Pipe (Unicode)";
    flow:to_server,established;
    content:"SMB"; offset:5; depth:3;
    content:"{|00|A|00|A|00|0|00|E|00|E|00|D|00|2|00|5|00|-|00|4|00|1|00|6|00|7|00|-|00|4|00|C|00|B|00|B|00|-|00|B|00|D|00|A|00|8|00|-|00|9|00|A|00|0|00|F|00|5|00|F|00|F|00|9|00|3|00|E|00|A|00|8|00|}"; distance:0; nocase;
    reference:url,cyberx-labs.com/wp-content/uploads/2015/05/BlackEnergy-CyberX-Report_27_May_2015_FINAL.pdf;
    classtype:trojan-activity;
    sid:2021180; rev:1;
    metadata:created_at 2015_06_04, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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