Skip to content
A simple SSRF-testing sheriff written in Go
Go HTML
Branch: master
Clone or download
Latest commit f95d691 Oct 14, 2019
Permalink
Type Name Latest commit message Commit time
Failed to load latest commit information.
config Initial commit Oct 14, 2019
handler Initial commit Oct 14, 2019
httpserver Initial commit Oct 14, 2019
templates Initial commit Oct 14, 2019
LICENSE.txt Initial commit Oct 14, 2019
README.md Update README Oct 14, 2019
main.go Initial commit Oct 14, 2019

README.md

SSRF Sheriff

This is an SSRF testing sheriff written in Go. It was originally created for the Uber H1-4420 2019 London Live Hacking Event, but it is now being open-sourced for other organizations to implement and contribute back to.

Features

  • Repsond to any HTTP method (GET, POST, PUT, DELETE, etc.)
  • Configurable secret token (see base.example.yaml)
  • Content-specific responses
    • With secret token in response body
      • JSON
      • XML
      • HTML
      • CSV
      • TXT
    • Without token in response body
      • GIF
      • PNG
      • JPEG
      • MP3
      • MP4

Usage

go get github.com/teknogeek/ssrf-sheriff
cd $GOPATH/src/github.com/teknogeek/ssrf-sheriff
cp config/base.example.yaml config/base.yaml

# ... configure ...

go run main.go

Example Requests:

Plaintext

$ curl -sSD- http://127.0.0.1:8000/foobar
HTTP/1.1 200 OK
Content-Type: text/plain
X-Secret-Token: SUP3R_S3cret_1337_K3y
Date: Mon, 14 Oct 2019 16:37:36 GMT
Content-Length: 21

SUP3R_S3cret_1337_K3y

XML

$ curl -sSD- http://127.0.0.1:8000/foobar.xml
HTTP/1.1 200 OK
Content-Type: application/xml
X-Secret-Token: SUP3R_S3cret_1337_K3y
Date: Mon, 14 Oct 2019 16:37:41 GMT
Content-Length: 81

<SerializableResponse><token>SUP3R_S3cret_1337_K3y</token></SerializableResponse>

TODO

  • Dynamically generate valid responses with the secret token visible for
    • GIF
    • PNG
    • JPEG
    • MP3
    • MP4
  • Secrets in HTTP response generated/created/signed per-request, instead of returning a single secret for all requests
  • TLS support

Credit

Inspired (and requested) by Frans Rosén during his talk at BountyCon '19 Singapore


Released under the MIT License.

You can’t perform that action at this time.