SharpSC - Empire Module


This page contains detailed information about how to use the csharp/SharpSC/SharpSC Empire module. For list of all Empire modules, visit the Empire Module Library.

Module Overview

Name: SharpSC
Module: csharp/SharpSC/SharpSC
Source code: empire/server/modules/csharp/SharpSC.Covenant.yaml#L1
Language: C#
Needs admin: No
OPSEC safe: No
Background: No

The SharpSC module uses a SharpSC command.

This module runs in a foreground and is OPSEC unsafe as it writes on the disk and therefore could be detected by AV/EDR running on the target system.

Note that the SharpSC module does not need administrative privileges to work properly which means that a normal user can run this module.

Required Module Options

This is a list of options that are required by the SharpSC module:

Agent
Agent to run module on.

DotNetVersion
.NET version to compile against.
Default value: Net35.
Suggested values: Net35, Net40.

Additional Module Options

This is a list of additional options that are supported by the SharpSC module:

Command
SharpSC command to execute.
Suggested values: action=query service=, action=start service=, action=stop service=, action=create service=, action=delete service=.

SharpSC Example Usage

Here's an example of how to use the SharpSC module in the Empire client console:

[+] New agent Y4LHEV83 checked in
[*] Sending agent (stage 2) to Y4LHEV83 at 192.168.204.135
(empire usestager/windows/ducky) > usemodule csharp/SharpSC/SharpSC

 Author       djhohnstein            
 Background   False                  
 Description  Use a SharpSC command. 
 Language     csharp                 
 Name         csharp/SharpSC/SharpSC 
 NeedsAdmin   False                  
 OpsecSafe    False                  


,Record Options-,-------,----------,---------------------------------,
| Name          | Value | Required | Description                     |
|---------------|-------|----------|---------------------------------|
| Agent         |       | True     | Agent to run module on.         |
|---------------|-------|----------|---------------------------------|
| Command       |       | False    | SharpSC command to execute.     |
|---------------|-------|----------|---------------------------------|
| DotNetVersion | Net35 | True     | .NET version to compile against |
'---------------'-------'----------'---------------------------------'

(Empire: usemodule/csharp/SharpSC/SharpSC) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/csharp/SharpSC/SharpSC) > set DotNetVersion Net35
[*] Set DotNetVersion to Net35
(Empire: usemodule/csharp/SharpSC/SharpSC) > execute
[!] Error: csharpserver plugin not running

Note: This module requires csharpserver plugin to be running on our system. If this plugin is not running, the error message "[!] Error: csharp server plugin not running" is thrown on the console. To fix the error, start the csharpserver plugin and re-run the module:

(Empire: usemodule/csharp/SharpSC/SharpSC) > useplugin csharpserver

,Record Options--,----------,----------------------------------,
| Name   | Value | Required | Description                      |
|--------|-------|----------|----------------------------------|
| status | start | True     | Start/stop the Empire C# server. |
'--------'-------'----------'----------------------------------'

(Empire: useplugin/csharpserver) > execute
[*] Starting Empire C# server
(Empire: useplugin/csharpserver) > back
(Empire: usemodule/csharp/SharpSC/SharpSC) > execute
[*] Tasked Y4LHEV83 to run Task 1
...

Now wait for the results to come.

Author

  • djhohnstein

References

Version

This page has been created based on Empire version 4.1.3 (BC Security Fork).
Visit Empire Module Library for more modules.