ET EXPLOIT Possible ETERNALBLUE Probe MS17-010 (Generic Flags)

Query · suricata

flow:to_server,established;
content:"|ff|SMB|25 00 00 00 00|"; offset:4; depth:9;
content:"|00 00 00 00 00 00 00 00 00 00|"; distance:5; within:10;
content:"|23 00 00 00 07 00 5c 50 49 50 45 5c 00|"; fast_pattern; endswith;
threshold:type limit, track by_src, count 1, seconds 30;
Raw source ET EXPLOIT Possible ETERNALBLUE Probe MS17-010 (Generic Flags) · 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 smb any any -> $HOME_NET any (
    msg:"ET EXPLOIT Possible ETERNALBLUE Probe MS17-010 (Generic Flags)";
    flow:to_server,established;
    content:"|ff|SMB|25 00 00 00 00|"; offset:4; depth:9;
    content:"|00 00 00 00 00 00 00 00 00 00|"; distance:5; within:10;
    content:"|23 00 00 00 07 00 5c 50 49 50 45 5c 00|"; fast_pattern; endswith;
    threshold:type limit, track by_src, count 1, seconds 30;
    reference:url,github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/smb/smb_ms17_010.rb;
    classtype:trojan-activity;
    sid:2025992; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_08_15, deployment Perimeter, malware_family ETERNALBLUE, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_09_28;
)

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