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;)