alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE HTTP Andromeda File Request"; flow:established,to_server; http.uri; content:"myguy"; fast_pattern; pcre:"/myguy\.(?:xls(?:\.hta)?|exe)$/"; reference:url,gist.github.com/vulnersCom/65fe44d27d29d7a5de4c176baba45759; reference:cve,2017-0199; classtype:trojan-activity; sid:2024490; rev:5; metadata:created_at 2017_07_21, cve CVE_2017_0199, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_09;)