Commit Stream Save

#OSINT tool for finding Github repositories by extracting commit logs in real time from the Github event API

Project README

Commit Stream

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commit-stream drinks commit logs from the Github event firehose exposing the author details (name and email address) associated with Github repositories in real time.

OSINT / Blueteam / Recon uses for Redteamers / Bug bounty hunters:

  • Uncover repositories which employees of a target company is commiting code (filter by email domain)
  • Identify repositories belonging to an individual (filter by author name)
  • Integration to Trufflehog with alert reporting via Slack channels
  • Supports logging to Postgres, MySql, Sqlite and Elastic Search databases

Companies have found the tool useful to discover repositories that their employees are committing intellectual property to.




Compiled 64-bit executable files for Windows, Mac and Linux are available here


docker run x1sec/commit-stream

Building from source

If you would prefer to build yourself (and Go is setup correctly):

go install


./commit-stream | tee commits.txt

With no options specified, commit-stream will output to stdout in csv format.

  commit-stream [OPTIONS]

  -t, --token            Github token (if not specified, will use environment
                         variable 'CSTREAM_TOKEN' or from config.yaml)
  -e, --email-domain     Match email addresses field (specify multiple with comma)
                         Omit to match all.
  -n, --email-name       Match author name field (specify multiple with comma).
                         Omit to match all.
  -df --dom-file <file>  Match email domains specificed in file
  -a  --all-commits      Search through previous commit history (default: false)
  -i  --ignore-priv      Ignore private email addresses (default: false)
  -m  --messages         Fetch commit messages (default: false)
  -p  --public-events    Fetch on repositories made public (default: true) 
  -c  --config [path]    Use configuration file (optional)
  -d  --debug            Enable debug messages to stderr (default:false)
  -h  --help             This message


commit-stream requires a Github personal access token to be used. You can generate a token navigating in Github [Settings / Developer Settings / Personal Access Tokens] then selecting 'Generate new token'. Nothing here needs to be selected, just enter the name of the token and click generate.

Once the token has been created, the recommended method is to set it via an environment variable CSTREAM_TOKEN:

export CSTREAM_TOKEN=xxxxxxxxxx

Alternatively, the --token switch maybe used when invoking the program, e.g:

./commit-stream --token xxxxxxxxxx

The token can also be specified in config.yaml:

  token: ghp_xxxxx


When running commit-stream with no options, it will immediately dump author details and the associated repositories in CSV format to the terminal. Filtering options are available.

To filter by email domain:

./commit-stream --email-domain ''

To filter by author name:

./commit-stream --email-name 'John Smith'

Multiple keywords can be specified with a , character. e.g.

./commit-stream --email-domain ','

To filter on a list of domain names specified in a text file, use -df, --dom-file:

./commit-stream --dom-file domainlist.txt

Email addresses that have been set to private ( can be ommited by specifying --ignore-priv. This is useful to reduce the volume of data collected if running the tool for an extended period of time.

It is possible to search upto 20 previous commits for the filter keywords by specifying --all-commits. This may increase the likelihood of a positive matches.

Output handlers

In config.yaml, the destination parameter is set to one of the following options:

  • stdout
  • database
  • elasticsearch
  • slack
  • script
  • truffle
  • truffle-slack

The appropriate configuration for the destination handler is required.

Standard out

stdout handler is the default which outputs to a comma seperated values format to stdout which can be piped into a file. There are no other configuration options.

SQL Database

database handler writes events to a database with the database type specified by the engine parameter.

  • dsn must be specified for postgres and mysql
  • path must be specified for sqlite
  # type is either: sqlite, mysql, postgres
  engine: postgres 
  # dsn required for mysql or postgres
  dsn: host=localhost user=postgres dbname=rob port=5432
  # path only required for sqlite
  path: ./test.db

elasticsearch handler sends events to an elasticsearch database specified by the uri parameter:

  no-duplicates: true

Note: no-duplicates is used to reduce the volume of data stored. Each document index is considered unique by the ID being a hash of the domain name and repository name (user/repo). Older documents with the same ID will be updated with newer commits as the arrive.

Basic auth is supported optionally supported with username and password parameters.


slack handler requires both a slack token and channel ID to be defined:

  token: xoxb-0000-0000-0000
  channel-id: myChannel 

Note: To prevent accidental flooding to Slack, a domain/email filter must be specified.


script handler executes a shell script specified by path. Two parameters are passed to the script: Github user and Github repository name.

  path: ./script/
  log-file: ./script/script.log
  max-workers: 10

An example of ./script/

echo "Github user: $1"
echo "Github repo: $2"
echo "URL:${1}/${2}"

Note: max-workers is the number of instances invoked in parallel.


trufflehog handler requires the path of the trufflehog binary to be specified. A Github token is required and this should be different to the one specified in the main commit-stream configuration.

  path: ./script/trufflehog
  max-workers: 5

  github-token: ghp_AAAAAAAAA

    - Parseur

Note: Trufflehog signatures can be ignored by specifying them in the ignore list. This reduces the amount of false positives.

Trufflehog with Slack notifications

trufflehog-slack handler runs trufflehog to search for secrets. This handler sends alerts to a Slack channel. Both both trufflehog and slack configurations must be defined.


Some inspiration was taken from @Darkport's ssshgit excellent tool to extract secrets from Github in real-time. commit-stream's objective is slightly different as it focuses on extracting the 'meta-data' as opposed to the content of the repositories.


Github provides the ability to prevent email addresses from being exposed. In the Github settings select Keep my email addresses private and Block command line pushes that expose my email under the Email options.

As only one token is used this software does not breach any terms of use with Github. That said, use at your own risk. The author does not hold any responsibility for it's usage.

Open Source Agenda is not affiliated with "Commit Stream" Project. README Source: haxrob/commit-stream
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