alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Towerweb Ransomware Landing Page"; flow:from_server,established; http.stat_code; content:"200"; file.data; content:"WRITE THIS INFORMATION DOWN---------------<br>|0a|Ransom Id|3a|"; fast_pattern; content:"BTC Address|3a 20|"; distance:0; content:"|0a|Email|3a 20|"; distance:0; reference:md5,fb279dc7e47adefb3a9f1c78297c5870; reference:url,www.bleepingcomputer.com/forums/t/618055/towerweb-ransomware-help-support-topic-payment-instructionsjpg/; classtype:trojan-activity; sid:2022906; rev:4; metadata:attack_target Client_Endpoint, created_at 2016_06_20, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_03, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)