public async Task Handle(UpdateAgent updateAgent, string replyTo, string correlationId) { Console.WriteLine($"[i] Got Update Agent Message."); Agent agent = _taskRepository.GetAgent(updateAgent.Id); agent.Name = updateAgent.Name; agent.Visible = updateAgent.Visible; _taskRepository.Update(agent.Id, agent); AgentUpdated agentUpdated = new AgentUpdated { Success = true, Agent = agent }; _eventBus.Publish(agentUpdated, replyTo, correlationId); }
public async Task Handle(NewAgentCheckin agentCheckinMsg, string replyTo, string correlationId) { Console.WriteLine($"[i] Got AgentCheckin Message."); Transport transport = _taskRepository.GetTransport(agentCheckinMsg.TransportId); // Check in agent Agent agent = _taskRepository.GetAgent(agentCheckinMsg.AgentName); agent.TransportId = agentCheckinMsg.TransportId; agent.ExternalIp = agentCheckinMsg.SourceIp; agent.LastCheckin = DateTime.UtcNow; if (!agent.Visible) { agent.Visible = true; AgentUpdated update = new AgentUpdated(); update.Success = true; update.Agent = agent; _eventBus.Publish(update); } _taskRepository.Update(agent.Id, agent); AgentCheckinAnnouncement agentCheckinAnnouncement = new AgentCheckinAnnouncement(); agentCheckinAnnouncement.Id = agent.Id; agentCheckinAnnouncement.SourceIp = agentCheckinMsg.SourceIp; agentCheckinAnnouncement.TransportId = agentCheckinMsg.TransportId; agentCheckinAnnouncement.TransportName = transport.Name; agentCheckinAnnouncement.Received = agent.LastCheckin.Value; _eventBus.Publish(agentCheckinAnnouncement); // Decode and Decrypt AgentTaskResponse if (!String.IsNullOrEmpty(agentCheckinMsg.Message)) { AgentCheckin agentCheckin = new AgentCheckin(); agentCheckin.SourceIp = agentCheckinMsg.SourceIp; agentCheckin.TransportId = agentCheckinMsg.TransportId; agentCheckin.HMAC = agentCheckinMsg.HMAC; agentCheckin.IV = agentCheckinMsg.IV; agentCheckin.Message = agentCheckinMsg.Message; agentCheckin.AgentId = agent.Id; agentCheckin.Agent = agent; _taskRepository.Add(agentCheckin); // Decrypt Message from Agent string decryptedMessage = Crypto.Decrypt(agentCheckin); Console.WriteLine($"Got response {decryptedMessage}"); if (!agent.Visible) { agent.Visible = true; _taskRepository.Update(agent.Id, agent); } // Process taskResults // TODO: Probably a better way to check if the message is blank. if ((decryptedMessage != "[]") || (!String.IsNullOrEmpty(decryptedMessage))) { List <AgentTaskUpdate> taskUpdates = JsonConvert.DeserializeObject <List <AgentTaskUpdate> >(decryptedMessage); foreach (AgentTaskUpdate taskUpdate in taskUpdates) { taskUpdate.AgentTask = _taskRepository.GetAgentTask(taskUpdate.TaskName); taskUpdate.AgentId = taskUpdate.AgentTask.AgentId; taskUpdate.Received = DateTime.UtcNow; foreach (IOC ioc in taskUpdate.IOCs) { ioc.UserId = taskUpdate.AgentTask.ConsoleMessage.UserId.Value; ioc.AgentTaskUpdateId = taskUpdate.Id; } _taskRepository.Add(taskUpdate); if (taskUpdate.AgentTask.Action == "LOAD" && taskUpdate.Success.Value) { AgentsModulesXref xref = new AgentsModulesXref(); xref.AgentId = taskUpdate.AgentId; string languageName = taskUpdate.Agent.AgentType.Language.Name; string moduleName = taskUpdate.AgentTask.Command.Split(" ")[1]; if (moduleName.Contains("/")) { languageName = moduleName.Split("/")[0]; moduleName = moduleName.Split("/")[1]; } Module loadedModule = _taskRepository.GetModule(moduleName, languageName); xref.ModuleId = loadedModule.Id; _taskRepository.Add(xref); List <Command> loadedCommands = _taskRepository.GetCommands(loadedModule.Id); foreach (Command loadedCommand in loadedCommands) { loadedCommand.Parameters = _taskRepository.GetCommandParameters(loadedCommand.Id); } AgentCommandsUpdated agentCommandsUpdated = new AgentCommandsUpdated(); agentCommandsUpdated.Success = true; agentCommandsUpdated.AgentId = xref.AgentId; agentCommandsUpdated.Commands = loadedCommands; _eventBus.Publish(agentCommandsUpdated); } if (taskUpdate.Type == "File" && !String.IsNullOrEmpty(taskUpdate.Content)) { WebClient wc = new WebClient(); FactionSettings factionSettings = Utility.GetConfiguration(); wc.Headers[HttpRequestHeader.ContentType] = "application/json"; string rsp = wc.UploadString($"{apiUrl}/login/", $"{{\"Username\":\"{factionSettings.SYSTEM_USERNAME}\", \"Password\":\"{factionSettings.SYSTEM_PASSWORD}\"}}"); Dictionary <string, string> responseDict = JsonConvert.DeserializeObject <Dictionary <string, string> >(rsp); wc.Dispose(); string apiKeyName = responseDict["AccessKeyId"]; string apiSecret = responseDict["AccessSecret"]; string uploadUrl = $"{apiUrl}/file/?token={apiKeyName}:{apiSecret}"; Dictionary <string, string> upload = new Dictionary <string, string>(); upload.Add("AgentName", taskUpdate.Agent.Name); upload.Add("FileName", taskUpdate.ContentId); upload.Add("FileContent", taskUpdate.Content); WebClient uploadClient = new WebClient(); uploadClient.Headers[HttpRequestHeader.ContentType] = "application/json"; string content = JsonConvert.SerializeObject(upload); Console.WriteLine(content); string uploadResponse = uploadClient.UploadString(uploadUrl, content); } ConsoleMessage consoleMessage = new ConsoleMessage(); consoleMessage.Agent = taskUpdate.Agent; consoleMessage.Type = "AgentTaskResult"; consoleMessage.AgentTask = taskUpdate.AgentTask; consoleMessage.AgentTaskId = taskUpdate.AgentTask.Id; consoleMessage.Display = taskUpdate.Message; _taskRepository.Add(consoleMessage); ConsoleMessageAnnouncement response = new ConsoleMessageAnnouncement(); response.Success = true; response.Username = consoleMessage.Agent.Name; response.ConsoleMessage = consoleMessage; _eventBus.Publish(response); } } } }
public async Task Handle(NewConsoleMessage newConsoleMessage, string replyTo, string correlationId) { // Reset Error stuff error = false; errorMessage = ""; // figure out what agent we're dealing with Agent agent = _taskRepository.GetAgent(newConsoleMessage.AgentId); agent.AgentType = _taskRepository.GetAgentType(agent.AgentTypeId); // flesh out and save the ConsoleMessage object ConsoleMessage consoleMessage = new ConsoleMessage(); consoleMessage.AgentId = newConsoleMessage.AgentId; consoleMessage.UserId = newConsoleMessage.UserId; consoleMessage.Agent = agent; consoleMessage.User = _taskRepository.GetUser(consoleMessage.UserId.Value); consoleMessage.Content = newConsoleMessage.Content; consoleMessage.Display = newConsoleMessage.Display; consoleMessage.Received = DateTime.UtcNow; consoleMessage.Type = "AgentTask"; _taskRepository.Add(consoleMessage); // Announce our new message to Rabbit ConsoleMessageAnnouncement messageAnnouncement = new ConsoleMessageAnnouncement(); messageAnnouncement.Success = true; messageAnnouncement.Username = consoleMessage.User.Username; messageAnnouncement.ConsoleMessage = consoleMessage; _eventBus.Publish(messageAnnouncement); // These are the commands we allow. If one of these isn't the first part of a command List <string> allowedActions = new List <string>(); allowedActions.Add("HELP"); allowedActions.Add("SHOW"); allowedActions.Add("LOAD"); allowedActions.Add("SET"); allowedActions.Add("USE"); allowedActions.Add("RUN"); allowedActions.Add("EXIT"); // we assume that the command is a RUN command string action = "RUN"; string[] consoleMessageComponents = consoleMessage.Content.Split(' '); if (consoleMessageComponents.Length > 0) { if (allowedActions.Contains(consoleMessageComponents[0].ToUpper())) { action = consoleMessageComponents[0].ToUpper(); } } // if this is a SHOW or HELP commmand, we won't be sending anything to the agent // so lets take care of that here: AgentDetails.Language = _taskRepository.GetLanguage(consoleMessage.Agent.AgentType.LanguageId); AgentDetails.AvailableModules = _taskRepository.GetModules(AgentDetails.Language.Id); AgentDetails.LoadedModules = _taskRepository.GetAgentModules(consoleMessage.AgentId); AgentDetails.AgentType = consoleMessage.Agent.AgentType; if (action == "HELP") { ConsoleMessage message = ProcessHelpMessage(consoleMessage); _taskRepository.Add(message); ConsoleMessageAnnouncement response = new ConsoleMessageAnnouncement(); response.Success = true; response.Username = "******"; response.ConsoleMessage = message; _eventBus.Publish(response); } else if (action == "SHOW") { ConsoleMessage message = ProcessShowMessage(consoleMessage); _taskRepository.Add(message); ConsoleMessageAnnouncement response = new ConsoleMessageAnnouncement(); response.Success = true; response.Username = "******"; response.ConsoleMessage = message; _eventBus.Publish(response); } else { // We'll be tasking the agent to do something so lets create an agentTask AgentTask agentTask = new AgentTask(); agentTask.Action = action; agentTask.AgentId = consoleMessage.AgentId; agentTask.ConsoleMessageId = consoleMessage.Id; agentTask.ConsoleMessage = consoleMessage; agentTask.Agent = consoleMessage.Agent; // Package the AgentTask into a envelope for seralization & encryption. // Then process the ACTION and populate CONTENTS appropriately Dictionary <String, String> outboundMessage = new Dictionary <String, String>(); outboundMessage.Add("AgentName", agentTask.Agent.Name); outboundMessage.Add("Name", agentTask.Name); outboundMessage.Add("Action", agentTask.Action); // Message formats // * load stdlib // * load dotnet/stdlib // * load transport/dns if (agentTask.Action == "LOAD") { LoadModule msg = new LoadModule(); if (consoleMessageComponents[1].Contains("/")) { msg.Language = consoleMessageComponents[1].Split("/")[0]; msg.Name = consoleMessageComponents[1].Split("/")[0]; } else { msg.Language = (_taskRepository.GetLanguage(consoleMessage.Agent.AgentType.LanguageId)).Name; msg.Name = consoleMessageComponents[1]; } bool LoadSuccess = false; foreach (Module module in AgentDetails.AvailableModules) { if (String.Equals(module.Name, msg.Name, StringComparison.CurrentCultureIgnoreCase)) { _eventBus.Publish(msg, null, null, true); string message = _eventBus.ResponseQueue.Take(); ModuleResponse moduleResponse = JsonConvert.DeserializeObject <ModuleResponse>(message); outboundMessage.Add("Command", moduleResponse.Contents); LoadSuccess = true; AgentUpdated agentUpdated = new AgentUpdated { Success = true, Agent = agentTask.Agent }; _eventBus.Publish(agentUpdated); break; } } if (!LoadSuccess) { error = true; errorMessage = $"Module {msg.Name} is not a valid module. Use the 'show modules' command to view available modules"; } } // Message formats // * set beacon:5 else if (agentTask.Action == "SET") { outboundMessage.Add("Command", consoleMessageComponents[1]); } else if (agentTask.Action == "EXIT") { outboundMessage.Add("Command", "exit"); } // Example commands: // * ls // * ls "C:\Program Files" // * ls /path:"C:\Program Files" if (agentTask.Action == "RUN") { string submittedCommand = consoleMessage.Content; string[] processedArgs = null; // check to see if we have parameters (for example: ls /path:foo) int index = submittedCommand.IndexOf(' '); if (index > 0) { // change submittedCommand to just the first part of the command (ex: ls) submittedCommand = submittedCommand.Substring(0, index); string submittedArgs = consoleMessage.Content.Substring(index + 1); if (submittedArgs.Length > 0) { processedArgs = SplitArguments(submittedArgs); } } // Check if command is available try { Command commandObject = _taskRepository.GetCommand(submittedCommand); if (!AgentDetails.IsModuleLoaded(commandObject.Module)) { error = true; errorMessage = $"The module for this command isn't loaded. You can load it by running: 'load {commandObject.Module.Name}'"; } } catch { error = true; errorMessage = $"{submittedCommand} is not a valid command for this agent. To view available commands, run: 'show commands'"; } if (!error) { FactionCommand factionCommand = ProcessCommand(submittedCommand, processedArgs); string command = factionCommand.Command; if (factionCommand.Arguments.Count > 0) { command = $"{factionCommand.Command} {JsonConvert.SerializeObject(factionCommand.Arguments)}"; } outboundMessage.Add("Command", command); } } // If there's an error, send it back if (error) { ConsoleMessage message = new ConsoleMessage(); message.AgentId = consoleMessage.AgentId; message.AgentTaskId = agentTask.Id; message.UserId = 1; message.Type = "AgentTaskError"; message.Display = errorMessage; _taskRepository.Add(message); ConsoleMessageAnnouncement response = new ConsoleMessageAnnouncement(); response.Success = true; response.Username = "******"; response.ConsoleMessage = message; _eventBus.Publish(response); } // Else, create a new task for the agent else { // update agentTask with final command format and save it agentTask.Command = outboundMessage["Command"]; _taskRepository.Add(agentTask); // update the incoming consoleMessage with this task Id consoleMessage.AgentTaskId = agentTask.Id; _taskRepository.Update(consoleMessage.Id, consoleMessage); string jsonOutboundMessage = JsonConvert.SerializeObject(outboundMessage); Dictionary <string, string> encCommand = Crypto.Encrypt(jsonOutboundMessage, agentTask.Id, agentTask.Agent.AesPassword); // Create a AgentTaskMessage object with the seralized/encrypted message contents AgentTaskMessage agentTaskMessage = new AgentTaskMessage(); agentTaskMessage.Agent = agentTask.Agent; agentTaskMessage.Message = encCommand["encryptedMsg"]; agentTaskMessage.AgentId = consoleMessage.Agent.Id; agentTaskMessage.AgentTaskId = agentTask.Id; agentTaskMessage.AgentTask = agentTask; agentTaskMessage.Hmac = encCommand["hmac"]; agentTaskMessage.Iv = encCommand["iv"]; agentTaskMessage.Sent = false; _taskRepository.Add(agentTaskMessage); } } }