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Go Report Card

TLSlayer

TLSlayer is a FAST TLS/SSL reconnaissance tool written in Go. The primary aim is to provide a tool that has no dependencies on OpenSSL that can utilize multiple cores.

Getting Started

git clone and you should be good to go.

Prerequisities && compilation

A recent version of Golang - in my local machine at the time of writing I used

go build

Usage

Usage of ./TLSlayer:
-db string
external cipher suite database. DB Format: cipherID,name,protocol,Kx,Au,Enc,Bits,Mac,Auth Strength,Enc Strength,Overall Strength
THIS IS NOT NEEDED as ciphers.go contain already 350+ cipher suites
-debug
turn on debugging output - developer usage only
-fuzz
wanna fuzz? Enable this
-host string
hostname to test (default "localhost")
-perf int
size of worker pool (default 8) - feel free to experiment
-port string
port to connect (default "443")
-verbose
verbosity status, silent by default
Using the following switches you can enable/disable handshakes
-ssl2
SSL2 handshake
-ssl3
SSL3 handshake
-tls1
TLS 1.0 handshake
-tls11
TLS 1.1 handshake
-tls12
TLS 1.2 handshake
-tls13
TLS 1.3 handshake

By default, -ssl3, tls1 are enabled

And repeat

Below is a test run against twitter.com

$ ./TLSlayer -host twitter.com -tls12
[TLS v1.2] TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0x00C02F)
[TLS v1.2] TLS_RSA_WITH_AES_256_GCM_SHA384 (0x00009D)
[TLS v1.2] TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0x00C030)
[TLS v1.2] TLS_RSA_WITH_AES_256_CBC_SHA (0x000035)
[TLS v1.2] TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0x00C027)
[TLS v1.2] TLS_RSA_WITH_AES_128_CBC_SHA256 (0x00003C)
[TLS v1.2] TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0x00C013)
[TLS v1.2] TLS_RSA_WITH_AES_128_CBC_SHA (0x00002F)
[TLS v1.2] TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0x00C014)
[TLS v1.2] TLS_RSA_WITH_AES_128_GCM_SHA256 (0x00009C)
[TLS v1.2] TLS_RSA_WITH_AES_256_CBC_SHA256 (0x00003D)
[TLS v1.2] TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (0x00C012)
[TLS v1.2] TLS_RSA_WITH_3DES_EDE_CBC_SHA (0x00000A)
[TLS v1.2] TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 (0x00C028)

Running the tests

No tests so far, contributions are more than welcome.

Break down into end to end tests

See above.

And coding style tests

Always use go vet, go fmt and go lint - check out the report card on top.

Deployment

The static binary has no dependencies.

Built With

  • Golang 1.7.1
  • vim

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -sm 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

Authors

  • Athanasios Kostopoulos - Initial work - thanasisk

License

This project is licensed under the GPL v3 License

Acknowledgments

  • iphelix for original sslmapper.py
  • Spatially for their go-workgroup implementation (need to fix the comments though)
  • Dr_Ciphers for helping out with testing