Story
okhi is an implant that can be utilized to log keystrokes from a USB/PS2 keyboard. The implant is designed to be easily concealable within a keyboard, laptop, or tower case. It is powered by the keyboard cable itself. The implant can be accessed via WiFi and enables real-time viewing of keystrokes.
It is based on the RP2040 + ESP chip. The RP2040 is responsible for sniffing & parsing the keyboard data, while the ESP chip is used to transmit the data over WiFi.
The RP2040 features a dual-core Arm Cortex-M0+ processor, making it highly efficient for handling multiple tasks simultaneously (PIO rlz!).
okhi leverages the ESP32-C2, a new chip from Espressif, specifically the ESP8684. This chip includes a RISC-V single-core CPU, which is known for its small size. It is important to note that the ESP8266, ESP8285, and ESP8654 are different chips and should not be confused with the ESP8684.
