alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Potential Data URI Phishing Oct 02 2015"; flow:established,to_client; file_data; content:"<script type=|22|text/javascript|22|>"; nocase; content:"window.location="; nocase; within:17; content:"PCFET0NUWVBFIGh0bWw+DQo"; fast_pattern; distance:0; reference:url,blog.malwarebytes.org/online-security/2015/10/this-pdf-version-is-not-supported-data-uri-phish; classtype:social-engineering; sid:2021893; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_10_02, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2019_07_26;)