alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Magecart/Skimmer - AngryBeaver Exfil Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"cgi-bin/index.php"; endswith; http.content_type; content:"application/x-www-form-urlencoded|3b|charset=utf-8"; bsize:47; http.request_body; content:"0="; startswith; content:"&1="; distance:0; content:"&2=enc02"; endswith; fast_pattern; reference:url,twitter.com/rootprivilege/status/1376899513592336391?s=20; reference:url,lukeleal.com/research/posts/magento2-angrybeaver-skimmer/; classtype:trojan-activity; sid:2032769; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_04_15, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag CardSkimmer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_15;)