alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET MALWARE PawnStorm Java Class Stage 1 M1 Aug 28 2015";
flow:established,from_server;
file_data;
content:"|01 00 08 47 4f 47 4f 47 4f 47 4f|";
content:"|01 00 0c 6a 61 76 61 2f 6e 65 74 2f 55 52 4c|";
content:"|01 00 0f 53 74 61 72 74 69 6e 67 20 41 70 70 6c 65 74|";
classtype:targeted-activity;
sid:2021726; rev:2;
metadata:created_at 2015_08_28, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)