alert tcp any any -> [$HOME_NET,$SQL_SERVERS] 1433 (
msg:"ET MALWARE MSSQL maggie backdoor 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 20 00|m|00|a|00|g|00|g|00|i|00|e|00|"; nocase; fast_pattern;
reference:url,medium.com/@DCSO_CyTec/mssql-meet-maggie-898773df3b01;
classtype:trojan-activity;
sid:2039187; 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;
)