alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Soraya C2 User-Agent (x09)"; flow:established,to_server; http.header; content:"User-Agent|3a 20 09 0d 0a|"; reference:md5,a95dacba360e45fc03769ea55c546a7b; reference:url,www.arbornetworks.com/asert/2014/06/the-best-of-both-worlds-soraya/; classtype:command-and-control; sid:2018529; rev:4; metadata:created_at 2014_06_04, confidence High, signature_severity Major, updated_at 2024_04_07;)