alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
msg:"ET EXPLOIT D-Link DWR Command Injection Inbound (CVE-2018-10823)";
flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/chkisg.htm";
content:"%3FSip%"; fast_pattern; nocase; distance:0;
content:"%7C"; nocase; distance:0;
reference:cve,2018-10823;
classtype:attempted-admin;
sid:2035953; rev:1;
metadata:attack_target Networking_Equipment, created_at 2022_04_14, cve CVE_2018_10823, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, updated_at 2022_04_14, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
)