HackTheBox - PC

00:00 - Introduction
01:05 - Start of nmap
03:00 - Googling the port number, and reading more about gRPC
04:45 - Install GRPCurl so we can access the gRPC interface
06:30 - Enumerating the grpc interface
10:30 - Registering a user and logging in
13:45 - Using Verbose with GRPCurl to get extra information which includes an JWT
16:20 - Discovering an SQL Injection in the SimpleApp.GetInfo, enumerating the database to discover SQLite
19:45 - Enumerating the SQLite Database (similar to Information_schema with mysql)
21:45 - Using Group_Concat with a union injection to dump all users and passwords, then SSH into the box
24:45 - Discovering PyLoad is running on localhost, setting up an SSH Tunnel to access it
26:00 - Finding a public POC and running it to exploit PyLoad