* Open alittleharder.pcap in Wireshark
* File -> Export Objects -> HTTP -> nothinghere.tar.gz
* tar xzvf nothinghere.tar.gz
* cat flag.txt | base64 -d
* `DawgCTF{3xtr4ct1ng_f1l35_1s_fun}`

Original writeup (https://github.com/vesche/ctfs/tree/master/2020-04-DawgCTF/Another%20Pcap).