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hawkeye-scanner has been moved. please use @hawkeyesec/scanner-cli

hawkeye-scanner

Hawkeye is a project security, vulnerability and general risk highlighting tool. It has a few goals:

• Designed to be entirely extensible by just adding new modules with the correct signature to lib/modules
• Modules return results via a common interface, which permits consolidated reporting and artefact generation
• Should be very easy to run regardless of the type of project that you're scanning

Looking for support

Hi! I don't have time to support hawkeye moving forward, so I am actively looking for maintainers. I you've got an interest in this project and fancy helping out - please reach out to me!

Important Notes (please read)

• As of version 1.0.0 many of the modules have had their identifiers changed and prefixed for langues added to them, for example npmaudit is now node-npmaudit. This means you will need to udpate your .hawkeyerc files, and any commands where you explicitly specify modules eg hawkeye scan -m thing.

Modules

Modules are basically little bits of code that either implement their own logic, or wrap a third party tool and standardise the output. They only run if the required criteria are met, for example; the npm outdated module would only run if a package.json is detected in the scan target - as a result, you don't need to tell Hawkeye what type of project you are scanning. The modules implemented so far are:

Generic Modules:

• File Names (files): Scan the file list recursively, looking for patterns as defined in data.js, taken from gitrob. We're looking for things like id_rsa, things that end in pem, etc.
• File Content Patterns (contents): Looks for patterns as defined in data.js within the contents of files, things like 'password: ', and 'BEGIN RSA PRIVATE KEY' will pop up here.
• File Content Entropy (entropy): Scan files for strings with high (Shannon) entropy, which could indicate passwords or secrets stored in the files, for example: 'kwaKM@£rFKAM3(a2klma2d'
• Credit Card Numbers (ccnumber): Scan for credit card numbers in files, validated using luhn.

Node JS:

• NPM audit (node-npmaudit): Wraps npm audit to check your package.json and package-lock.json for known vulnerabilities.
• NPM outdated (node-npmoutdated): Wraps npm outdated to check your package.json for outdated modules.
• CrossEnv (node-crossenv): See Node Cross-Env Malware. Checks your package.json for known malicious modules which contain this malware.
• Constant Hash Tables (node-chs): See Node Constant Hashtable. Checks if your package.json can be run against vulnerable versions of node.

Ruby:

• Bundler Audit (ruby-bundler-scan): Wraps Bundler Audit to check your Gemfile/Gemfile.lock for known vulnerabilities.
• Brakeman (ruby-brakeman): Wraps Brakeman for static analysis security vulnerability scanner for Ruby on Rails applications.

Python:

• Safety (python-safety): Wraps Safety to check your requirements.txt for known vulnerabilities. Unfortunately, safety does not provides a risk level classification of the vulneravilities, so every vulnerability is logged as high.
• Piprot (python-piprot): Wraps Piprot to check your requirements.txt for outdated dependencies.
• Bandit (python-bandit): Wraps Bandit to find common security issues in python code.

Java:

• FindSecBugs (java-find-secbugs): Wraps FindSecBugs to find common security issues in Java Projects. It analyzes the jar generated after performing mvn package or gradle stage.
• OWASP Dependency Check (java-owasp): Wraps OWASP Dep Check to find common security issues in Java Project Dependencies as noted by the National Vulnerability Database. It analyzes the jar generated after performing mvn package or gradle stage.

PHP:

• security-checker (php-security-checker): Wraps security-checker to check your composer.lock for known vulnerabilities. All vulnerabilities are logged as high due to a lack of classification.

I really, really do welcome people writing new modules so please check out lib/modules/example-shell/index.js as an example of how simple it is, and send me a pull request.

Current Limitations

• Entropy is disabled by default because it can return a lot of results, which are mostly misses, to run it please use the -m entropy switch. Personally I use this manually checking over code bases I have inherited.
• We only look inside the contents of files up to 1Mb, I plan to add configuration options in the future to allow you to change this.

Running Hawkeye

I wanted Hawkeye to be as flexible as possible, as a result it supports numerous methods of execution.

Standalone (command line)

Using Docker (recommended)

As Hawkeye wraps a lot of other dependencies, the easiest way to run it is using docker. Simply type docker run --rm -v $PWD:/target stono/hawkeye.

Using docker-compose

Lets say you have project which has a Dockerfile, with lines like this in:

COPY . /app
VOLUME /app

You could add hawkeye to your compose file like this:

services:
  app:
    build: .

  hawkeye:
    image: stono/hawkeye
    command: scan -t /app
    volumes_from:
      - app

You can simply do docker-compose run --rm --no-deps hawkeye. Woo hoo.

Using NPM

If you want, you can do npm install -g hawkeye-scanner, and type hawkeye scan instead. However, this will require you to have all of the other dependencies installed on your host for the modules that you're wanting to scan with.

As part of your CI Pipelines

GoCD

This is an example of running Hawkeye against one of your projects in GoCD:

<pipeline name="security-scan">
  <stage name="Hawkeye" cleanWorkingDir="true">
    <jobs>
      <job name="scan">
        <tasks>
          <exec command="docker">
            <arg>pull</arg>
            <arg>stono/hawkeye</arg>
            <runif status="passed" />
          </exec>
          <exec command="bash">
            <arg>-c</arg>
            <arg>docker run --rm -v $PWD:/target stono/hawkeye</arg>
            <runif status="passed" />
          </exec>
        </tasks>
      </job>
    </jobs>
  </stage>
</pipeline>

As a git pre-commit hook

This is an example of running Hawkeye from an npm package.json against a local repository before commit, failing the commit if high or critical issues are found:

{
  "name": "demoproj",
  "version": "1.0.0",
  "description": "demo",
  "main": "app.js",
  "dependencies": {
    "express": "4.16.2"
  },
  "devDependencies": {
    "pre-commit": "^1.2.2"
  },
  "scripts": {
    "hawkeye:pre-commit": "hawkeye scan -t ./src -m contents -m files -f high"
  },
  "pre-commit": [
    "hawkeye:pre-commit"
  ],
  "author": "",
  "license": "ISC"
}

Easy Configuration

As of version 0.9.0, you can use the familiar .hawkeyerc and .hawkeyeignore pattern in your project root.

.hawkeyerc

This file takes all the same options as hawkeye scan --help. In this example, we'll run the contents, entropy, files, npm outdated and npm audit

{
  "modules": ["contents", "entropy", "files", "node-npmoutdated", "node-npmaudit"],
  "failOn": "medium"
}

.hawkeyeignore

This file should be a collection of patterns to exclude from the scan, and is equivalent to running --exclude.

^test/
README.md

The CLI

hawkeye scan

There are a few options available:

-a, --all: Running against all files rather than git tree

Hawkeye by default will attempt to detect a .git folder in your target, if it is there it will only scan git tracked files. Further to that, if a .git-crypt folder is detected, we will also exclude files which are GPG encrypted. If there is no .git in the target directory, then all files will be scanned.

You can override this behaviour with the --all flag, which will scan all files regardless.

-f, --fail-on <low, medium, high, critical>: When to exit with a non-zero status code

From a pipeline perspective, the --fail-on command is useful, you might not wish for low items to break your build, so you could use --fail-on medium.

-t, --target </path/to/project>: Specfiy what to scan

By default Hawkeye will look in your current working directory. You can override this behaviour though by specifying a --target

-m, --module : Running only specific modules

If you want to run specific modules only, you can use the --module flag, which can be specified multiple times. For example hawkeye scan -m node-npmaudit -m node-npmoutdated would run just the npm audit and npm outdated modules.

-j, --json </path/to/summary.json>: Produce a JSON artefact

The --json paramter allows you to write a much more detailed report to a file. See the Json section below for more information

-s, --sumologic http://sumologic-http-collector: Send the results to SumoLogic

This will post the results to a SumoLogic HTTP collector. See the SumoLogic section below for more information.

-e, --exclude : Exclude files that match a specified RegEx pattern

This parameter (which can be specified multiple times) allows you to specify patterns you wish to be excluded from the scan. For example hawkeye scan -e "^test/" would exclude all your test files. All paths are relative to the --target.

There are some global exclusions in place, and those are "^.git", "^.git-crypt" and "^node_modules".

-l, --file-limit : Set limit on number of files to be scanned (Defaults to 1000)

The --file-limit allows you to set a higher file limit thab the default (1000). This is useful when the target directory includes more files.

hawkeye modules

You can view the module status with hawkeye modules. As previously mentioned you can see that entropy is disabled by default. If you want to run it, use the -m entropy flag.

$ hawkeye modules
[info] Welcome to Hawkeye v0.11.0!

[info] Bundler Scan dynamically loaded
[info] File Contents dynamically loaded
[info] Entropy dynamically loaded
[info] Example Module dynamically loaded
[info] Secret Files dynamically loaded
[info] Node Check Updates dynamically loaded
[info] Node Security Project dynamically loaded

Module Status

[info] Enabled:   Credit Card Numbers (ccnumber)
                  Scans files for potential credit card numbers
[info] Enabled:   File Contents (contents)
                  Scans files for dangerous content
[info] Disabled:  Entropy (entropy)
                  Scans files for strings with high entropy
[info] Disabled:  Example Module (example-shell)
                  Example of how to write a module and shell out a command
[info] Enabled:   Secret Files (files)
                  Scans for known secret files
[info] Enabled:   FindSecBugs Scan (java-find-secbugs)
                  FindSecBugs find common security issues in Java code.
[info] Enabled:   Owasp Dependency Check Scan (java-owasp)
                  Scan the dependencies of a Java project.
[info] Disabled:  Node Constant Hashtable Seed check (node-chs)
                  Scans a package.json to check for CHS issues.
[info] Enabled:   Node CrossEnv malware check (node-crossenv)
                  Scans a package.json for known malicious crossenv packages
[info] Enabled:   npm audit (node-npmaudit)
                  Checks for known security vulnerabilities in your npm dependencies
[info] Enabled:   npm outdated (node-npmoutdated)
                  Checks for outdated npm modules
[info] Enabled:   Bandit Scan (python-bandit)
                  Bandit find common security issues in Python code.
[info] Enabled:   Python Outdated Dependencies Scan (python-piprot)
                  Scans a requirements.txt for out of date packages
[info] Enabled:   Safety Scan (python-safety)
                  Safety checks your installed dependencies for known security vulnerabilities.
[info] Enabled:   Brakeman Scan (ruby-brakeman)
                  Brakeman statically analyzes Rails application code to find security issues.
[info] Enabled:   Bundler Scan (ruby-bundler-scan)
                  Scan for Ruby gems with known vulnerabilities

Outputs

At the moment, Hawkeye supports three output writers.

Summary

The default summary output to your console looks something like this. The log information is written to stdout and the errors found to stderr in a console parsable tablular output

$ hawkeye scan
[info] Welcome to Hawkeye v0.11.0!

[info] File Contents dynamically loaded
[info] Entropy dynamically loaded
[info] Example Module dynamically loaded
[info] Secret Files dynamically loaded
[info] Node Check Updates dynamically loaded
[info] Node Security Project dynamically loaded
[info] git repo detected, will only use git tracked files
[info] git-crypt detected, excluding files covered by GPG encryption
[info]  -> git-crypt status -e
[info] Files excluded by git-crypt: 0
[info]  -> git ls-tree --full-tree --name-only -r HEAD
[info] Files included in scan: 62
[info] Target for scan: /Users/kstoney/git/stono/hawkeye
[info] Fail at level: low
[info] Running module File Contents
[info] Running module Secret Files
[info] Running module npm audit
[info]  -> npm audit --json
[info] Running module npm outdated
[info]  -> npm outdated --json
[info] scan complete, 16 issues found

[info] Doing writer: console
level     description                                                        offender                          mitigation
--------  -----------------------------------------------------------------  --------------------------------  -------------------------------------------------
critical  Incorrect Handling of Non-Boolean Comparisons During Minification  uglify-js                         https://nodesecurity.io/advisories/39
critical  Private SSH key                                                    regex_rsa                         Check contents of the file
critical  Private SSH key                                                    id_rsa                            Check contents of the file
critical  Potential cryptographic private key                                cert.pem                          Check contents of the file
critical  Private key in file                                                some_file_with_private_key_in.md  Check line number: 1
critical  Found 1 dependencies with critical-severity vulnerabilities        Vulnerable npm dependency         Run npm audit for further information
high      Regular Expression Denial of Service                               negotiator                        https://nodesecurity.io/advisories/106
high      Module is one or more major versions out of date                   nodemailer                        Update to 4.0.1
high      GNOME Keyring database file                                        keyring                           Check contents of the file
high      Found 5 dependencies with high-severity vulnerabilities            Vulnerable npm dependency         Run npm audit for further information
medium    Regular Expression Denial of Service                               uglify-js                         https://nodesecurity.io/advisories/48
medium    Module is one or more minor versions out of date                   express                           Update to 4.15.2
medium    Rubygems credentials file                                          gem/credentials                   Might contain API key for a rubygems.org account.
medium    Module is one or more minor versions out of date                   morgan                            Update to 1.8.1
medium    Module is one or more minor versions out of date                   serve-favicon                     Update to 2.4.2
medium    Module is one or more minor versions out of date                   body-parser                       Update to 1.17.1
medium    Module is one or more minor versions out of date                   debug                             Update to 2.6.3
low       Contains words: private, key                                       some_file_with_private_key_in.md  Check contents of the file

I plan to add options to supress log outputs etc in the future, but for now if you want to parse this output, you can supress the logs and just output the table like this:

$ (hawkeye scan >/dev/null) 2>&1 | tail -n +3
critical  Incorrect Handling of Non-Boolean Comparisons During Minification  uglify-js                         https://nodesecurity.io/advisories/39
critical  Private SSH key                                                    regex_rsa                         Check contents of the file
critical  Private SSH key                                                    id_rsa                            Check contents of the file
critical  Potential cryptographic private key                                cert.pem                          Check contents of the file
critical  Private key in file                                                some_file_with_private_key_in.md  Check line number: 1
high      Regular Expression Denial of Service                               negotiator                        https://nodesecurity.io/advisories/106
high      Module is one or more major versions out of date                   nodemailer                        Update to 4.0.1
high      GNOME Keyring database file                                        keyring                           Check contents of the file
medium    Regular Expression Denial of Service                               uglify-js                         https://nodesecurity.io/advisories/48
medium    Module is one or more minor versions out of date                   express                           Update to 4.15.2
medium    Rubygems credentials file                                          gem/credentials                   Might contain API key for a rubygems.org account.
medium    Module is one or more minor versions out of date                   morgan                            Update to 1.8.1
medium    Module is one or more minor versions out of date                   serve-favicon                     Update to 2.4.2
medium    Module is one or more minor versions out of date                   body-parser                       Update to 1.17.1
medium    Module is one or more minor versions out of date                   debug                             Update to 2.6.3
low       Contains words: private, key                                       some_file_with_private_key_in.md  Check contents of the file

Here are some other handy examples:

• (hawkeye scan >/dev/null) 2>&1 | tail -n +3 | grep critical - output just critical items

Another option is for you to use a different output writer, for example...

Json

You can output much more information in the form of a JSON artefact that groups by executed module.

Check out a sample here

SumoLogic

The output of Hawkeye can be sent to a SumoLogic HTTP collector of your choice. In this example, I have a collector of hawkeye, with a single HTTP source.

hawkeye scan --sumo https://collectors.us2.sumologic.com/receiver/v1/http/your-http-collector-url

...
[info] Doing writer: sumologic
[info] sending 16 results to SumoLogic

And in sumo logic, search for _collector="hawkeye" | json auto:

Development

Adding a new handler

The idea is that this project should be super extensible, I want people to write new handlers with ease. Simply create a handler in lib/modules which exposes the following signature:

• key: A short alphanumeric key for your module
• name: The name of your module
• description: The description of your module
• enabled: True or Fale as to if this module should run by default, or if it needs to be specified with --module
• function handles(path): A function to decide if this handler should run against the target path
• function run(results, done): The function which is called if handles returns true

The run function

The first argument passed is results, this is where the module should send its results to, it exposes four methods for each 'level' of issue found, critical, high, medium and low. Those methods expect you to pass something like this:

results.critial('offender', 'description', 'extra', { additional: 'data' });