we settled for #43 from 484 teams Misc more writeups from Mystik0ri0n here John’s Return Description you can get the challenge file here received.pcapng Solution summary : WPA traffic decrypting Here we have a pcapng file wirh 802.11 radiotap (wireless) traffic dump,seems it’s encrypted …. but wait it’s a .pcapng file which aircrack-ng is unable to read it so we are forced to convert to a pcap i used this site pcapng.