add back ltcg sig, update ci

axstin · Nov 30, 2022 · 7a1fc88 · Aniayh · Dec 12, 2022 · 7a1fc88
1 parent bb955b0
commit 7a1fc88
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Showing 3 changed files with 30 additions and 7 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -43,7 +43,8 @@ jobs:
  name: rbxfpsunlocker (Release, x64)
  path: x64
  - name: Zip binaries
- run: zip -9 rbxfpsunlocker-x64.zip x64/rbxfpsunlocker.exe
+ run: zip -9 ../rbxfpsunlocker-x64.zip rbxfpsunlocker.exe
+ working-directory: ./x64
  - name: Release
  uses: softprops/action-gh-release@v1
  with:

diff --git a/Source/main.cpp b/Source/main.cpp
@@ -195,7 +195,7 @@ struct RobloxProcess
  {
  auto gts_fn = result + 14 + ProcUtil::Read<int32_t>(handle, result + 10);
 
- printf("[%p] GetTaskScheduler (sig 0): %p\n", handle, gts_fn);
+ printf("[%p] GetTaskScheduler (sig studio): %p\n", handle, gts_fn);
 
  uint8_t buffer[0x100];
  if (ProcUtil::Read(handle, gts_fn, buffer, sizeof(buffer)))
@@ -209,13 +209,29 @@ struct RobloxProcess
  }
  } else
  {
- // old signature (LTCG): 55 8B EC 83 E4 F8 83 EC 08 E8 ?? ?? ?? ?? 8D 0C 24
+ // 55 8B EC 83 E4 F8 83 EC 08 E8 ?? ?? ?? ?? 8D 0C 24
+ if (auto result = (const uint8_t *)ProcUtil::ScanProcess(handle, "\x55\x8B\xEC\x83\xE4\xF8\x83\xEC\x08\xE8\xDE\xAD\xBE\xEF\x8D\x0C\x24", "xxxxxxxxxx????xxx", start, end))
+ {
+ auto gts_fn = result + 14 + ProcUtil::Read<int32_t>(handle, result + 10);
+
+ printf("[%p] GetTaskScheduler (sig ltcg): %p\n", handle, gts_fn);
+
+ uint8_t buffer[0x100];
+ if (ProcUtil::Read(handle, gts_fn, buffer, sizeof(buffer)))
+ {
+ if (auto inst = sigscan::scan("\xA1\x00\x00\x00\x00\x8B\x4D\xF4", "x????xxx", (uintptr_t)buffer, (uintptr_t)buffer + 0x100)) // mov eax, <TaskSchedulerPtr>; mov ecx, [ebp-0Ch])
+ {
+ //printf("[%p] Inst: %p\n", process, gts_fn + (inst - buffer));
+ return (const void *)(*(uint32_t *)(inst + 1));
+ }
+ }
+ }
  // 55 8B EC 83 EC 10 56 E8 ?? ?? ?? ?? 8B F0 8D 45 F0
- if (auto result = (const uint8_t *)ProcUtil::ScanProcess(handle, "\x55\x8B\xEC\x83\xEC\x10\x56\xE8\x00\x00\x00\x00\x8B\xF0\x8D\x45\xF0", "xxxxxxxx????xxxxx", start, end))
+ else if (auto result = (const uint8_t *)ProcUtil::ScanProcess(handle, "\x55\x8B\xEC\x83\xEC\x10\x56\xE8\x00\x00\x00\x00\x8B\xF0\x8D\x45\xF0", "xxxxxxxx????xxxxx", start, end))
  {
  auto gts_fn = result + 12 + ProcUtil::Read<int32_t>(handle, result + 8);
 
- printf("[%p] GetTaskScheduler (sig 1): %p\n", handle, gts_fn);
+ printf("[%p] GetTaskScheduler (sig non-ltcg): %p\n", handle, gts_fn);
 
  uint8_t buffer[0x100];
  if (ProcUtil::Read(handle, gts_fn, buffer, sizeof(buffer)))
@@ -232,7 +248,7 @@ struct RobloxProcess
  {
  auto gts_fn = result + 15 + ProcUtil::Read<int32_t>(handle, result + 11);
 
- printf("[%p] GetTaskScheduler (sig 2): %p\n", handle, gts_fn);
+ printf("[%p] GetTaskScheduler (sig uwp): %p\n", handle, gts_fn);
 
  uint8_t buffer[0x100];
  if (ProcUtil::Read(handle, gts_fn, buffer, sizeof(buffer)))
@@ -280,6 +296,7 @@ struct RobloxProcess
 
  if (!ts_ptr)
  {
+ const auto start_time = std::chrono::steady_clock::now();
  ts_ptr = FindTaskScheduler();
 
  if (!ts_ptr)
@@ -288,6 +305,11 @@ struct RobloxProcess
  NotifyError("rbxfpsunlocker Error", "Unable to find TaskScheduler! This is probably due to a Roblox update-- watch the github for any patches or a fix.");
  return;
  }
+ else
+ {
+ const auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now() - start_time).count();
+ printf("[%p] Found TaskScheduler address in %lldms\n", handle, elapsed);
+ }
  }
 
  if (ts_ptr && !fd_ptr)

diff --git a/Source/rfu.h b/Source/rfu.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#define RFU_VERSION "4.4.3"
+#define RFU_VERSION "4.4.4"
 #define RFU_GITHUB_REPO "axstin/rbxfpsunlocker"
 
 bool CheckForUpdates();