Schneider Modicon Ladder Logic Upload/Download

The Schneider Modicon with Unity series of PLCs use Modbus function code 90 0x5a to send and receive ladder logic. The protocol is unauthenticated, and allows a rogue host to retrieve the existing logic and to upload new logic. Two modes are supported: "SEND" and "RECV," which behave as one might...

Koyo DirectLogic PLC Password Brute Force Utility

This module attempts to authenticate to a locked Koyo DirectLogic PLC. The PLC uses a restrictive passcode, which can be A0000000 through A9999999. The "A" prefix can also be changed by the administrator to any other character, which can be set through the PREFIX option of this module. This modul...