alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Qarallax RAT Downloading Modules"; flow:to_server,established; http.method; content:"GET"; http.host; content:"qarallax.com"; endswith; fast_pattern; http.user_agent; content:"Java/"; startswith; reference:md5,cf178c55c0572d8fea89137c62afdc98; reference:url,labsblog.f-secure.com/2016/06/07/qarallax-rat-spying-on-us-visa-applicants/; classtype:trojan-activity; sid:2022881; rev:3; metadata:created_at 2016_06_08, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_14;)