alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE Win32/Eternity Stealer Activity (POST)"; flow:established,to_server; content:"POST"; content:"?u="; content:"&p="; distance:0; content:"&i="; distance:0; content:"&co="; distance:0; content:"&ci="; distance:0; content:"&t="; distance:0; content:"Host|3a 20|eternity"; fast_pattern; content:"Expect|3a 20|100-continue|0a|"; reference:md5,2ce3d4b143ae185de225071f73a62cfb; classtype:trojan-activity; sid:2042517; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_12_08, deployment Perimeter, malware_family Eternity_Stealer, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_25; target:src_ip;)