Coding, Web, Hydrology and more.


A third party DrCOM Client for Hohai University


0x00 Story Recently, my teacher has replace the old home router with a brand new enterprise router, but by doing so the cracked DrCOM authentication client won’t work any more. At first, I try to seek help from the github, and not surprisingly there’s a third party client for DrCOM written in python waiting for me. But since the client is written in python, it...

DrCOM(ver.D) in HHU Packet Analysis


0x00 Packet List Challenge Login Logout KeepAlive_1 KeepAlive_2 0x01 Login & Logout Route 0x011 Login Route First, a chanllange packet is made and sent to server, and the response should start with 0x02 and contain 4 bytes salt at the offset 0x14. Second, a login packet can be made with the salt we’ve got, after we send it to the server, it should respond with data which starts with...

Coding, Web, Hydrology and more.