alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32.Tomiris C2 (init)"; flow:established,to_server; content:"|74 00 2b 00 77 00 6c 00 7c 00 76 00 76 00 27 00 30 00 79 00 20 00 29 00|"; offset:0; reference:url,securelist.com/darkhalo-after-solarwinds-the-tomiris-connection/104311/; classtype:trojan-activity; sid:2034119; rev:3; metadata:attack_target Client_Endpoint, created_at 2021_10_05, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_17;)