alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE linux.backdoor.wordpressexploit.2 CnC Checkin";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/saveme"; fast_pattern; endswith;
http.connection;
content:"close";
http.request_body;
content:"d="; startswith;
content:"domain="; distance:0;
content:"f="; distance:0;
content:"name="; distance:0;
reference:md5,4d83619142c7f7e3bd1531f8111e2655;
reference:url,vms.drweb.com/virus/?i=25604745;
classtype:trojan-activity;
sid:2043195; rev:1;
metadata:affected_product Wordpress, affected_product Wordpress_Plugins, attack_target Client_Endpoint, created_at 2023_01_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_03;
)