5g nas message forensic analyzer — free browser tool | fatcousin

drop 5g nas capture · parse registration + pdu session messages · runs locally

input

drop 5g nas dissection · ngap-adjacent export

message type · registration · pdu session id · s-nssai · cause · supi/guti · security mode

Select file

flags deregistration bursts · authentication failures · rejected pdu sessions · abnormal cause codes

limits

encrypted nas opaque — plaintext dissection only · heuristic screener · not definitive proof

status

>ready