ET EXPLOIT Possible Successful ETERNALROMANCE MS17-010 - Windows Executable Observed

Query · suricata

flow:to_server,established;
flowbits:isset,ETPRO.ETERNALROMANCE;
content:"|FF|SMB|26 00 00 00 00|"; offset:4; depth:9;
content:"|4d 5a|"; distance:0;
content:"This program cannot be run"; nocase; distance:0; fast_pattern;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET EXPLOIT Possible Successful ETERNALROMANCE MS17-010 - Windows Executable Observed · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert smb any any -> $HOME_NET any (
    msg:"ET EXPLOIT Possible Successful ETERNALROMANCE MS17-010 - Windows Executable Observed";
    flow:to_server,established;
    flowbits:isset,ETPRO.ETERNALROMANCE;
    content:"|FF|SMB|26 00 00 00 00|"; offset:4; depth:9;
    content:"|4d 5a|"; distance:0;
    content:"This program cannot be run"; nocase; distance:0; fast_pattern;
    classtype:trojan-activity;
    sid:2024207; rev:3;
    metadata:attack_target SMB_Server, created_at 2017_04_17, deployment Internal, confidence Medium, signature_severity Critical, updated_at 2022_03_17;
)

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