# NodeJS Express ## Cookie Signature The tool [https://github.com/DigitalInterruption/cookie-monster](https://github.com/DigitalInterruption/cookie-monster) is a utility for automating the testing and re-signing of Express.js cookie secrets. ### Single cookie with a specific name ```bash cookie-monster -c eyJmb28iOiJiYXIifQ== -s LVMVxSNPdU_G8S3mkjlShUD78s4 -n session ``` ### Custom wordlist ```bash cookie-monster -c eyJmb28iOiJiYXIifQ== -s LVMVxSNPdU_G8S3mkjlShUD78s4 -w custom.lst ``` ### Test multiple cookies using batch mode ```bash cookie-monster -b -f cookies.json ``` ### Test multiple cookies using batch mode with a custom wordlist ```bash cookie-monster -b -f cookies.json -w custom.lst ``` ### Encode and sign a new cookie iI you know the secret you can sign a the cookie. ```bash cookie-monster -e -f new_cookie.json -k secret ```