ET INFO MSSQL sp_addextendedproc Command Observed

Query · suricata

flow:established,to_server;
content:"s|00|p|00|_|00|a|00|d|00|d|00|e|00|x|00|t|00|e|00|n|00|d|00|e|00|d|00|p|00|r|00|o|00|c|00|"; nocase; fast_pattern;
Raw source ET INFO MSSQL sp_addextendedproc Command 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 INFO MSSQL sp_addextendedproc Command Observed";
    flow:established,to_server;
    content:"s|00|p|00|_|00|a|00|d|00|d|00|e|00|x|00|t|00|e|00|n|00|d|00|e|00|d|00|p|00|r|00|o|00|c|00|"; nocase; fast_pattern;
    reference:url,learn.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-addextendedproc-transact-sql?view=sql-server-ver16;
    classtype:misc-activity;
    sid:2039188; rev:1;
    metadata:affected_product Microsoft_SQL_Server, attack_target SQL_Server, created_at 2022_10_12, deployment Perimeter, deployment Internal, deployment Datacenter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_12;
)

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