alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Java/QRat Retrieving PE"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".exe"; endswith; http.host; bsize:16; content:"www.quaverse.com"; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|accept"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,ccdffdc551b36980b7cd04e33d5fb100; classtype:trojan-activity; sid:2021889; rev:5; metadata:created_at 2015_10_02, malware_family QRat, signature_severity Major, updated_at 2024_04_29;)