alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious Jar name JavaUpdate.jar"; flow:established,to_server; http.uri; content:"/JavaUpdate.jar"; nocase; http.user_agent; content:"Java/1."; reference:url,www.securelist.com/en/downloads/vlpdfs/unveilingthemask_v1.0.pdf; classtype:bad-unknown; sid:2018106; rev:4; metadata:created_at 2014_02_11, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_27;)