alert tcp any any -> any any (msg:"ET MALWARE LuminosityLink - CnC"; flow:established,to_server; content:"ACT="; depth:4; content:"8_=_8"; endswith; classtype:command-and-control; sid:2022710; rev:4; metadata:created_at 2016_04_06, deprecation_reason Age, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_08, reviewed_at 2024_04_08;)