update: making it compatible with self-hosted interactsh server

cves/2021/CVE-2021-44228.yaml

@@ -31,11 +31,11 @@ requests:
       - type: regex
         part: interactsh_request
         regex:
-          - '([a-z0-9\.\-]+)\.([a-z0-9]+)\.interact(\.sh|sh\.com)'
+          - '([a-z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Match for extracted ${hostName} variable
 
     extractors:
       - type: regex
         part: interactsh_request
         group: 1
         regex:
-          - '([a-z0-9\.\-]+)\.([a-z0-9]+)\.interact(\.sh|sh\.com)'   # Extract ${hostName}
+          - '([a-z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'   # Print extracted ${hostName} in output