alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Andromeda Downloading Module"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".pack"; nocase; fast_pattern; endswith; http.user_agent; content:"Mozilla"; startswith; pcre:"/^Mozilla(?:\/4\.0)?$/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,65125129418e07ce1000aa677b66b72f; classtype:trojan-activity; sid:2018604; rev:9; metadata:created_at 2014_06_25, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_28;)