alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING [TW] Robin Banks Redirect M2"; flow:established,to_client; http.stat_code; content:"302"; http.location; content:"?token="; startswith; content:"&step="; distance:0; content:"&a_failed="; distance:1; within:10; fast_pattern; pcre:"/&a_failed=[01]$/"; classtype:social-engineering; sid:2037868; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_04, reviewed_at 2024_01_26;)