alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Inbound JS with Possible 1px-1px Exfiltration Image"; flow:established,from_server; content:"200"; http_stat_code; file_data; content:"document.createElement|28 22|"; content:".width=|22|1px|22|"; distance:0; within:30; content:".height=|22|1px|22|"; distance:0; within:30; content:"atob|28 22|aHR0cHM6Ly9"; distance:0; within:100; fast_pattern; metadata: former_category CURRENT_EVENTS; reference:url,www.symantec.com/content/dam/symantec/docs/security-center/white-papers/istr-formjacking-deep-dive-en.pdf; classtype:trojan-activity; sid:2027817; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, deployment Perimeter, deployment SSLDecrypt, tag CardSkimmer?, signature_severity Major, created_at 2019_08_07, performance_impact Low, updated_at 2019_08_07;)

Added 2019-08-07 19:27:24 UTC


Topic revision: r1 - 2019-08-07 - TWikiGuest
 
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