ET RETIRED MSSQL maggie backdoor ls Query Observed

Query · suricata

flow:established,to_server;
content:"e|00|x|00|e|00|c"; nocase;
content:"m|00|a|00|g|00|g|00|i|00|e|00 20 00 27 00|l|00|s|00|"; nocase; distance:0; within:200; fast_pattern;
Raw source ET RETIRED MSSQL maggie backdoor ls Query Observed · 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 any any -> [$HOME_NET,$SQL_SERVERS] 1433 (
    msg:"ET RETIRED MSSQL maggie backdoor ls Query Observed";
    flow:established,to_server;
    content:"e|00|x|00|e|00|c"; nocase;
    content:"m|00|a|00|g|00|g|00|i|00|e|00 20 00 27 00|l|00|s|00|"; nocase; distance:0; within:200; fast_pattern;
    reference:url,medium.com/@DCSO_CyTec/mssql-meet-maggie-898773df3b01;
    classtype:trojan-activity;
    sid:2039184; rev:3;
    metadata:affected_product Microsoft_SQL_Server, attack_target SQL_Server, created_at 2022_10_12, deployment Perimeter, deployment Internal, deployment Datacenter, former_category MALWARE, malware_family maggie, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_19, reviewed_at 2024_09_19;
)

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