alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ATTACK [PTsecurity] GNU Wget http request"; content:"wget"; http_user_agent; nocase; depth:4; flowbits:set, 10000062; flowbits:noalert; reference:cve, 2016-4971; classtype:bad-unknown; reference:url, legalhackers.com/advisories/Wget-Arbitrary-File-Upload-Vulnerability-Exploit.txt; reference:url, github.com/ptresearch/AttackDetection; sid:10000062; rev:2;)