alert http any any -> $HOME_NET any (msg:"ET EXPLOIT Zyxel Command Injection RCE (CVE-2017-6884)"; flow:to_server,established; http.uri; content:"/cgi-bin/luci/"; content:"stok="; content:"/nslookup?nslookup_button=nslookup_button&"; fast_pattern; reference:cve,2017-6884; reference:url,researchcenter.paloaltonetworks.com/2018/09/unit42-multi-exploit-iotlinux-botnets-mirai-gafgyt-target-apache-struts-sonicwall/; classtype:attempted-admin; sid:2026105; rev:3; metadata:attack_target Networking_Equipment, created_at 2018_09_10, cve CVE_2017_6884, deployment Perimeter, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;)