External C2 Integration With Azure Servicebus, C2 Traffic Via Azure Servicebus.

Setup:-

  1. To begin, create an Azure Service Bus account.
  2. Create a shared access policy (connection string) with just Send and Listen capabilities.
  3. In Beacon C# projects, change the static connectionString property to match the “Primary Connection String” value for the Shared access policy you defined in step 2.
  4. For the CobaltBus project, the same variables must be modified, but the “Primary Connection String” for the “RootManageSharedAccessKey” Shared access policy must be used instead. (Requires authorization to “manage”)
  5. Install Cobalt and start an External C2 listener on port 4444, 127.0.0.1 (this may be adjusted in the C# code by modifying the ExternalC2Port and ExternalC2Ip vars).

Disclaimer: The intended use for the tool is strictly educational and should not be used for any other purpose.

Download Link: https://github.com/Flangvik/CobaltBus

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