Rule History

alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET MALWARE VBulletin Backdoor C2 Domain"; flow:established,to_server; http.header; content:"adabeupdate.com|0d 0a|"; reference:url,blog.sucuri.net/2013/07/vbulletin-infections-from-adabeupdate.html; classtype:command-and-control; sid:2017113; rev:5; metadata:created_at 2013_07_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_24;)