execute_assembly updates

MythicAgents · Oct 4, 2024 · 59ab593 · 59ab593
1 parent 181a539
commit 59ab593
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Showing 4 changed files with 17 additions and 6 deletions.
diff --git a/Payload_Type/apollo/CHANGELOG.MD b/Payload_Type/apollo/CHANGELOG.MD
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v2.2.17] - 2024-10-04
+
+### Changed
+
+- updated execute_assembly injected stub to hopefully capture more output successfully
+
 ## [v2.2.16] - 2024-10-03
 
 ### Changed

diff --git a/Payload_Type/apollo/apollo/agent_code/ExecuteAssembly/Program.cs b/Payload_Type/apollo/apollo/agent_code/ExecuteAssembly/Program.cs
@@ -64,7 +64,7 @@ public static void Main(string[] args)
                         _senderEvent,
                         _cts.Token.WaitHandle
                     });
-                    if (!_cts.IsCancellationRequested && _senderQueue.TryDequeue(out byte[] result))
+                    while (_senderQueue.TryDequeue(out byte[] result))
                     {
                         pipe.BeginWrite(result, 0, result.Length, OnAsyncMessageSent, pipe);
                     }
@@ -101,7 +101,7 @@ public static void Main(string[] args)
                 stderrSw.BufferWritten += OnBufferWrite;
 
                 Console.SetOut(stdoutSw);
-                Console.SetError(stdoutSw);
+                Console.SetError(stderrSw);
 
                 try
                 {
@@ -176,8 +176,13 @@ private static void OnBufferWrite(object sender, StringDataEventArgs args)
         {
             if (args.Data != null)
             {
-                _senderQueue.Enqueue(Encoding.UTF8.GetBytes(args.Data));
-                _senderEvent.Set();
+                try
+                {
+                    _senderQueue.Enqueue(Encoding.UTF8.GetBytes(args.Data));
+                    _senderEvent.Set();
+                }
+                catch { }
+
             }
         }
 

diff --git a/Payload_Type/apollo/apollo/mythic/agent_functions/builder.py b/Payload_Type/apollo/apollo/mythic/agent_functions/builder.py
@@ -21,7 +21,7 @@ class Apollo(PayloadType):
     supported_os = [
         SupportedOS.Windows
     ]
-    version = "2.2.16"
+    version = "2.2.17"
     wrapper = False
     wrapped_payloads = ["scarecrow_wrapper", "service_wrapper"]
     note = """

diff --git a/agent_capabilities.json b/agent_capabilities.json
@@ -11,6 +11,6 @@
   "architectures": ["x86_64"],
   "c2": ["http", "smb", "tcp", "websocket"],
   "mythic_version": "3.3.0",
-  "agent_version": "2.2.15",
+  "agent_version": "2.2.17",
   "supported_wrappers": ["service_wrapper", "scarecrow_wrapper"]
 }