This is little modified POC of Fei Protocol's vulnerability which is reported by @lucash_dev through Immunefi.
Tested on Windows environment.
1. npm install
2. Modify "{YOUR_JSON-RPC_ENDPOIT}" in "hardhat.config.js", "poc.js" files.
3. npx hardhat run .\scripts\poc.js
Further resources
Fei Protocol Flashloan Vulnerability Postmortem
A Guide to Reproducing Ethereum Exploits: Fei Protocol