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Project Description

Password Cracking in the Cloud

ec2hashcat is a utility to automate the process of password cracking on the AWS Cloud using GPU Instances.

Installation

% pip install ec2hashcat

Thats it!

Configuration

All arguments beginning with -- can be specified in ~/.ec2hashcat.yml and $PWD/ec2hashcat.yml

aws-key: AWS_KEY
aws-secret: AWS_SECRET
aws-region: AWS_REGION

ec2-key-name: EC2_KEY_NAME
ec2-key-file: EC2_KEY_FILE

s3-bucket: S3_BUCKET_NAME

Usage

For more information, check the online help:

% ec2hashcat --help
% ec2hashcat <command> --help

Example

A working example using the provided sample files:

% ec2hashcat crack -b examples/batch.ec2
% ec2hashcat list sessions
% ec2hashcat list files
% ec2hashcat cat wordlists hashlist.dic
% ec2hashcat get wordlists hashlist.dic
% ec2hashcat delete dumps hashlist.dmp

Cracking

Handles the uploading/downloading of files to/from S3/EC2, starting/stopping of instances and running cudaHashcat.

Basic usage is very similar to the hashcat family of programs:

% ec2hashcat crack -a3 -m0 <hashlist> <mask>
% ec2hashcat crack -a0 -m0 <hashlist> <wordlist>
% ec2hashcat crack -a0 -m0 -r <rulesfile> <hashlist> <wordlist>

Any arguments not directly handled by ec2hashcat can be passed to cudaHashcat using the --hashcat-args argument:

% ec2hashcat crack -a3 -m0 --hashcat-args='--increment' <hashlist> <mask>

ec2hashcat will attempt to detect any filenames passed via --hashcat-args and handle them appropriatly.

When using the --rules argument, ec2hashcat will store any custom rules in S3 and exposes access to the builtin rules using the builtin: keyword:

% ec2hashcat crack -a0 -m0 -r builtin:<rulesfile> <hashlist> <wordlist>

By default crack will write an updated hashlist, dump, and wordlist to S3, you can use the --no-write-hashlists, --no-write-dumps, and --no-write-wordlists arguments respectively.

Once the main crack task has completed and any files updated, the machine will be shut down. To keep the instance alive, use the --no-shutdown argument. Additionally, to drop into a shell once the task has completed, used the --shell argument. Note that dropping into a shell will block the shutdown until the shell is exited.

crack can also operate in a batch mode, combining multiple attacks into a single session. The batchfile is specified using the --batchfile argument, and follows the same rules as script name in runscript:

% ec2hashcat crack -b+
batch> crack -a3 -m0 <hashlist> <mask>
batch> crack -a0 -m0 <hashlist> <wordlist>

% cat <<EOF | ec2hashcat -b-
crack -a3 -m0 <hashlist> <mask>
crack -a0 -m0 <hashlist> <wordlist>

% cat batch.ec2
#!/usr/bin/env ec2hashcat -b
crack -a3 -m0 <hashlist> <mask>
crack -a0 -m0 <hashlist> <wordlist>
% ec2hashcat crack -b ./batch.ec2
% ./batch.ec2

For more information on hashcat usage, see the hashcat wiki.

Running Scripts

Arbitrary scripts can be run against new or running sessions by following similar syntax to crack. Scripts are executed inside a screen named after the local filename.

Run a script on a new instance:

% ec2hashcat runscript <script>

If the provided script is - the script contents will be read from STDIN and if script is + the contents will be promted for.

Run a script on an existing instance (as with crack, the --use-instance flag implies --no-shutdown):

% ec2hashcat runscript -i <session-name> <script>

The --no-attach, --shell, and --no-shutdown arguments can be used as with the crack command.

Spot Prices

By default, ec2hashcat will place a bid at the average price in your selected region.

To check the spot current instance prices:

% ec2hashcat list prices

File Handling

ec2hashcat stores all files in S3 and offers delete, get, list, and put commands for manipulating them. There are 4 types of file: dumps, hashlists, rules, and wordlists.

Show all files:

% ec2hashcat list files

Show all files of a specific type:

% ec2hashcat list <type>

Download a specific file:

% ec2hashcat get <type> <name>

Download all wordlists; this will download all wordlists into the current directory:

% ec2hashcat get wordlists

Download all wordlists and merge into a single wordlist with a specified filename:

% ec2hashcat get wordlists --merge --outfile=master.lst

Cat a file:

% ec2hashcat cat <type> <name>

Delete all files of a specified type (prompting for each file):

% ec2hashcat delete <type>

Delete all files of a specified type without prompting:

% ec2hashcat delete -f <type>

Delete the specified files without prompting:

% ec2hashcat delete <type> <file> <file> ...

Delete the specified files (prompting for each file):

% ec2hashcat delete -i <type> <file> <file> ...

Session Handling

The session name can be specified by using the -s or --session-name argument to the crack and runscript commands.

List all active sessions:

% ec2hashcat list sessions

Attaching to a running crack session:

% ec2hashcat crack ... <hashlist>
% ec2hashcat attach <hashlist>

Attaching to a running runscript session:

% ec2hashcat runscript ... <script>
% ec2hashcat attach -n <script> <script>

Sessions can be attached via the session name or the instance ID:

% ec2hashcat attach <instance-id>
% ec2hashcat attach <session-name>

Alternatively, a shell can be opened on the instance using the same syntax as attach:

% ec2hashcat shell <instance-id>
% ec2hashcat shell <session-name>

Terminating an instance, giving it a chance to commit work to S3:

% ec2hashcat stop <instance-id>
% ec2hashcat stop <session-name>

The --force flag can be used to initiate immediate termination:

% ec2hashcat stop -f <instance-id>
% ec2hashcat stop -f <session-name>

Security Groups

Manages inbound rules on port 22 for the specified Security Group

View the current allowed masks:

% ec2hashcat secgrp show

Add the current external IP address:

% ec2hashcat secgrp add

Add a specified mask:

% ec2hashcat secgrp add <mask>

Delete a specified mask:

% ec2hashcat secgrp del <mask>

Delete all masks:

% ec2hashcat secgrp del -a

Benchmarks

Benchmarks for the g2.8xlarge instance type, which is generally available for around $0.50/h, are available here.

Known Issues

  • spaces in filenames were an afterthought, for now assume the world will end if you have spaces
  • the required AMI is only available in us-east-1 and eu-west-1, if you need another region open an issue.
Release History

Release History

1.0.2

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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1.0.1

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
ec2hashcat-1.0.2.tar.bz2 (21.6 kB) Copy SHA256 Checksum SHA256 Source Sep 25, 2015
ec2hashcat-1.0.2.tar.gz (23.2 kB) Copy SHA256 Checksum SHA256 Source Sep 25, 2015
ec2hashcat-1.0.2.zip (35.7 kB) Copy SHA256 Checksum SHA256 Source Sep 25, 2015

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