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PowerSniper

Password spraying script and helper for creating password lists.

The Python script uses configurable parameters to extract complex passwords from a password list such as rockyou.txt. It then analyzes the Damerau-Levenshtein distance between that password and a list of common passwords (the text file in this repository is the top 20 most common rockyou passwords that could be easily modified to be a complex password, i.e. not the one's that are all digits). The script is configurable for the maximum distance to keep a password, with a default of 4, and will output results to a CSV file.

The PowerShell script loops through usernames and passwords and attempts to authenticate with them against various Microsoft Exchange web-based services.  The script supports pausing after a specified lockout count for a specified period of time to prevent account lockouts.

PowerSniper supports password spraying against the following services at this time:

  • Outlook Web Access
  • Outlook Anywhere
  • ActiveSync
  • Microsoft Online
  • SMB
  • WMI

PowerEnum is a tool that performs account enumeration only. It sprays Microsoft Online with a given username list using a password of 'password' and identifies valid accounts based on error messages.

The code that loads the Microsoft.Exchange.WebServices.dll for Outlook Anywhere authentication was found in the MailSniper tool (https://github.com/dafthack/MailSniper) created by @dafthack.

Requirements

passdist.py requires jellyfish

Usage

usage: passdist.py [-h] --wordlist WORDLIST --toplist TOPLIST [--output OUTPUT] [--passmin PASSMIN] 
                        [--passmax PASSMAX] [--complex] [--passdist PASSDIST]
                        
  Get the distances between complex passwords and top passwords used

  optional arguments:  
    -h, --help           show this help message and exit  
    --wordlist WORDLIST  the file with the complex rockyou passwords (default: None)  
    --toplist TOPLIST    the file with the top rockyou passwords (default: None)  
    --output OUTPUT      the CSV output of the analysis (default: analysis.csv)  
    --passmin PASSMIN    the minimum size password to choose from (default: 7)  
    --passmax PASSMAX    the maximum size password to choose from (default: 12)  
    --complex            require complex passwords (default: 0)  
    --passdist PASSDIST  the maximum distance between passwords to keep (default: 4)

Example passdist.py command:

    python passdist.py --wordlist rockyou.txt --toplist toplist_rockyou.txt --output lowdist.csv --passmin 7 
        --passmax 12 --complex --passdist 4

NAME    
  Invoke-PowerSniper
  
SYNOPSIS    
  This module loops through usernames and passwords and attempts to authenticate with them against various 
  Microsoft Exchange web-based services.
  
    PowerSniper Function: Invoke-PowerSniper    
    Author: Josh Berry (@codewatchorg)    
    License: BSD 3-Clause    
    Required Dependencies: None    
    Optional Dependencies: None

SYNTAX    
  Invoke-PowerSniper [[-uri] <Object>] [[-svc] <Object>] [[-userlist] <Object>] 
      [[-passlist] <Object>] [[-sos] <Object>] [[-lockout] <Object>] 
      [[-locktime] <Object>] [<CommonParameters>]

DESCRIPTION    
  This module loops through usernames and passwords and attempts to authenticate with them against 
  various Microsoft Exchange web-based services.  The script supports pausing after a specified 
  lockout count for a specified period of time to prevent account lockouts.

RELATED LINKS    
  https://blogs.technet.microsoft.com/meamcs/2015/03/06/powershell-script-to-simulate-outlook-web-access-url-user-logon/
  http://mobilitydojo.net/2010/03/30/rolling-your-own-exchange-activesync-client/
  http://mobilitydojo.net/2011/08/24/exchange-activesync-building-blocks-first-sync/
  http://mobilitydojo.net/files/EAS_BB/Part_02/HTTP_GET.cs
  https://blogs.technet.microsoft.com/heyscriptingguy/2011/12/02/learn-to-use-the-exchange-web-services-with-powershell/
  http://stackoverflow.com/questions/1582285/how-to-remove-elements-from-a-generic-list-while-iterating-over-it
  https://github.com/dafthack/MailSniper

Example PowerSniper.ps1 usage:

    # Outlook Anywhere Test
    Invoke-PowerSniper -uri https://outlook.office365.com -svc oa -userlist users.txt -passlist passwords.txt 
        -sos false -lockout 6 -locktime 30
    
    # ActiveSync Test
    Invoke-PowerSniper -uri https://outlook.office365.com -svc as -userlist users.txt -passlist passwords.txt 
        -sos false -lockout 6 -locktime 30
    
    # Outlook Web Access Test
    Invoke-PowerSniper -uri https://mail.victim.com/owa/auth.owa -svc owa -userlist users.txt 
        -passlist passwords.txt -sos false -lockout 6 -locktime 30

NAME    
  Invoke-PowerEnum
  
SYNOPSIS    
  This module loops through usernames to validate accounts on MSOL.
  
    PowerEnum Function: Invoke-PowerEnum    
    Author: Josh Berry (@codewatchorg)    
    License: BSD 3-Clause    
    Required Dependencies: None    
    Optional Dependencies: None

SYNTAX    
  Invoke-PowerEnum [[-userlist] <Object>] 

DESCRIPTION    
  This module loops through usernames to spray against Microsoft Online to identify valid accounts.

RELATED LINKS    
  https://github.com/dafthack/MSOLSpray

Example PowerEnum.ps1 usage:

    Invoke-PowerEnum -userlist