alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE TA569 Fake Captcha Download"; flow:established,to_client; file.data; content:"Please complete the security check to access website"; content:"Completing the CAPTCHA proves you are a human and gives you temporary access to the web property"; distance:0; content:"If you could not solve captcha, download our software and never spend time again on captcha"; distance:0; content:"domainName=window.location.hostname,apiLink="; distance:0; fast_pattern; content:",authorization="; distance:0; reference:md5,ed147bce693963c573768ce326ca23db; classtype:trojan-activity; sid:2039029; rev:3; metadata:attack_target Client_Endpoint, created_at 2022_08_31, deployment Perimeter, deployment SSLDecrypt, deprecation_reason Age, malware_family TA569, performance_impact Low, confidence High, signature_severity Major, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_14;)