alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Redline Stealer TCP CnC Activity"; flow:established,to_server; content:"http://tempuri.org/"; offset:5; depth:20; content:"/Id"; distance:0; within:20; content:"Authorization|08 03|ns1"; distance:0; fast_pattern; reference:md5,9c121c95b8cdcdd0b8208176e6e4a1d6; classtype:trojan-activity; sid:2043231; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_10_26, deployment Perimeter, malware_family Redline, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_06, reviewed_at 2024_05_07, former_sid 2850286;)