fixing regex introduced in PR1062 (#1067)

Author: pUrGe12

nettacker/modules/scan/port.yaml

@@ -1089,7 +1089,7 @@ payloads:
                 reverse: false
 
               telnet:
-                regex: "Check Point FireWall-1 authenticated Telnet server running on|Raptor Firewall Secure Gateway|No more connections are allowed to telnet server|Closing Telnet connection due to host problems|NetportExpress|WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING|Login authentication|recommended to use Stelnet|is not a secure protocol|Welcome to Microsoft Telnet Servic|no decompiling or reverse-engineering shall be allowed|(?s).*login:"
+                regex: "(?s).*login:|Check Point FireWall-1 authenticated Telnet server running on|Raptor Firewall Secure Gateway|No more connections are allowed to telnet server|Closing Telnet connection due to host problems|NetportExpress|WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING|Login authentication|recommended to use Stelnet|is not a secure protocol|Welcome to Microsoft Telnet Servic|no decompiling or reverse-engineering shall be allowed"
                 reverse: false
 
               amqp: