From 839a74c9d2655edd136e6a46d35428c175c39276 Mon Sep 17 00:00:00 2001
From: Andrii Kurdiumov <kant2002@gmail.com>
Date: Sun, 15 Mar 2026 11:26:28 +0100
Subject: [PATCH] Work to make netstandard2.0 For now only GetHINSTANCE
 implemented, but no DynamicMethod/DynamicILInfo available

---
 Confuser.Runtime/AntiDump.cs             | 9 +++++++--
 Confuser.Runtime/AntiTamper.Anti.cs      | 7 ++++++-
 Confuser.Runtime/AntiTamper.JIT.cs       | 7 ++++++-
 Confuser.Runtime/AntiTamper.Normal.cs    | 7 ++++++-
 Confuser.Runtime/Confuser.Runtime.csproj | 2 +-
 5 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/Confuser.Runtime/AntiDump.cs b/Confuser.Runtime/AntiDump.cs
index 798707c3d..581190a87 100644
--- a/Confuser.Runtime/AntiDump.cs
+++ b/Confuser.Runtime/AntiDump.cs
@@ -10,7 +10,7 @@ internal static class AntiDump {
 		static unsafe void Initialize() {
 			uint old;
 			Module module = typeof(AntiDump).Module;
-			var bas = (byte*)Marshal.GetHINSTANCE(module);
+			var bas = (byte*)GetHINSTANCE(module);
 			byte* ptr = bas + 0x3c;
 			byte* ptr2;
 			ptr = ptr2 = bas + *(uint*)ptr;
@@ -234,5 +234,10 @@ static unsafe void Initialize() {
 				}
 			}
 		}
+
+		public static IntPtr GetHINSTANCE(Module module) {
+			var method = typeof(Marshal).GetMember("GetHINSTANCE", BindingFlags.Public | BindingFlags.Static)[0] as MethodInfo;
+			return (IntPtr)method.Invoke(null, new object[] { module });
+		}
 	}
-}
\ No newline at end of file
+}
diff --git a/Confuser.Runtime/AntiTamper.Anti.cs b/Confuser.Runtime/AntiTamper.Anti.cs
index f1be244cd..b1ceef66b 100644
--- a/Confuser.Runtime/AntiTamper.Anti.cs
+++ b/Confuser.Runtime/AntiTamper.Anti.cs
@@ -16,7 +16,7 @@ static unsafe void Initialize() {
 			Module m = typeof(AntiTamperAnti).Module;
 			string n = m.FullyQualifiedName;
 			bool f = n.Length > 0 && n[0] == '<';
-			var b = (byte*)Marshal.GetHINSTANCE(m);
+			var b = (byte*)GetHINSTANCE(m);
 			byte* p = b + *(uint*)(b + 0x3c);
 			ushort s = *(ushort*)(p + 0x6);
 			ushort o = *(ushort*)(p + 0x14);
@@ -88,5 +88,10 @@ static unsafe void Initialize() {
 				h++;
 			}
 		}
+
+		public static IntPtr GetHINSTANCE(Module module) {
+			var method = typeof(Marshal).GetMember("GetHINSTANCE", BindingFlags.Public | BindingFlags.Static)[0] as MethodInfo;
+			return (IntPtr)method.Invoke(null, new object[] { module });
+		}
 	}
 }
diff --git a/Confuser.Runtime/AntiTamper.JIT.cs b/Confuser.Runtime/AntiTamper.JIT.cs
index ca0535fbb..fd07bc28c 100644
--- a/Confuser.Runtime/AntiTamper.JIT.cs
+++ b/Confuser.Runtime/AntiTamper.JIT.cs
@@ -19,7 +19,7 @@ public static void Initialize() {
 			Module m = typeof(AntiTamperNormal).Module;
 			string n = m.FullyQualifiedName;
 			bool f = n.Length > 0 && n[0] == '<';
-			var b = (byte*)Marshal.GetHINSTANCE(m);
+			var b = (byte*)GetHINSTANCE(m);
 			byte* p = b + *(uint*)(b + 0x3c);
 			ushort s = *(ushort*)(p + 0x6);
 			ushort o = *(ushort*)(p + 0x14);
@@ -86,6 +86,11 @@ public static void Initialize() {
 			Hook();
 		}
 
+		public static IntPtr GetHINSTANCE(Module module) {
+			var method = typeof(Marshal).GetMember("GetHINSTANCE", BindingFlags.Public | BindingFlags.Static)[0] as MethodInfo;
+			return (IntPtr)method.Invoke(null, new object[] { module });
+		}
+
 		static object GetFieldValue(object obj, string fieldName) {
 			var field = obj.GetType().GetField(fieldName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
 			if (field == null)
diff --git a/Confuser.Runtime/AntiTamper.Normal.cs b/Confuser.Runtime/AntiTamper.Normal.cs
index 6fc882ff9..2abb75c61 100644
--- a/Confuser.Runtime/AntiTamper.Normal.cs
+++ b/Confuser.Runtime/AntiTamper.Normal.cs
@@ -11,7 +11,7 @@ static unsafe void Initialize() {
 			Module m = typeof(AntiTamperNormal).Module;
 			string n = m.FullyQualifiedName;
 			bool f = n.Length > 0 && n[0] == '<';
-			var b = (byte*)Marshal.GetHINSTANCE(m);
+			var b = (byte*)GetHINSTANCE(m);
 			byte* p = b + *(uint*)(b + 0x3c);
 			ushort s = *(ushort*)(p + 0x6);
 			ushort o = *(ushort*)(p + 0x14);
@@ -64,5 +64,10 @@ static unsafe void Initialize() {
 				h++;
 			}
 		}
+
+		public static IntPtr GetHINSTANCE(Module module) {
+			var method = typeof(Marshal).GetMember("GetHINSTANCE", BindingFlags.Public | BindingFlags.Static)[0] as MethodInfo;
+			return (IntPtr)method.Invoke(null, new object[] { module });
+		}
 	}
 }
diff --git a/Confuser.Runtime/Confuser.Runtime.csproj b/Confuser.Runtime/Confuser.Runtime.csproj
index be1448112..8ac37535c 100644
--- a/Confuser.Runtime/Confuser.Runtime.csproj
+++ b/Confuser.Runtime/Confuser.Runtime.csproj
@@ -4,7 +4,7 @@
   <Import Project="..\ConfuserEx.Common.props" Condition="Exists('..\ConfuserEx.Common.props')" />
 
   <PropertyGroup Label="Assembly Settings">
-    <TargetFrameworks>net472;net8.0</TargetFrameworks>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>