From 04ff2d941c1fa7d73f1d870891776b31d0905e10 Mon Sep 17 00:00:00 2001
From: Axel <58704636+Suwup@users.noreply.github.com>
Date: Wed, 21 Jul 2021 08:57:44 +0200
Subject: [PATCH] Added support for the game Scavengers + updated fortnite
 decryption (#20)

* Added support for the game Scavengers

* Fixed spacing

* Updated fortnite decryption
---
 Dumper/engine.cpp | 75 +++++++++++++++++++++++++++++++++++++++++++----
 README.md         |  1 +
 2 files changed, 71 insertions(+), 5 deletions(-)

diff --git a/Dumper/engine.cpp b/Dumper/engine.cpp
index 61f95ad..6a8280c 100644
--- a/Dumper/engine.cpp
+++ b/Dumper/engine.cpp
@@ -126,6 +126,64 @@ struct {
 } RogueCompany;
 static_assert(sizeof(RogueCompany) == sizeof(Offsets));
 
+struct {
+  uint16 Stride = 2;
+  struct {
+    uint16 Size = 24;
+  } FUObjectItem;
+  struct {
+    uint16 Number = 4;
+  } FName;
+  struct {
+    uint16 Info = 0;
+    uint16 WideBit = 0;
+    uint16 LenBit = 6;
+    uint16 HeaderSize = 2;
+  } FNameEntry;
+  struct {
+    uint16 Index = 0xC;
+    uint16 Class = 0x10;
+    uint16 Name = 0x18;
+    uint16 Outer = 0x20;
+  } UObject;
+  struct {
+    uint16 Next = 0x28;
+  } UField;
+  struct {
+    uint16 SuperStruct = 0x40;
+    uint16 Children = 0x48;
+    uint16 ChildProperties = 0x50;
+    uint16 PropertiesSize = 0x58;
+  } UStruct;
+  struct {
+    uint16 Names = 0x40;
+  } UEnum;
+  struct {
+    uint16 FunctionFlags = 0xB0;
+    uint16 Func = 0xB0 + 0x30;
+  } UFunction;
+  struct {
+    uint16 Class = 0x8;
+    uint16 Next = 0x20;
+    uint16 Name = 0x28;
+  } FField;
+  struct {
+    uint16 ArrayDim = 0x38;
+    uint16 ElementSize = 0x3C;
+    uint16 PropertyFlags = 0x40;
+    uint16 Offset = 0x4C;
+    uint16 Size = 0x78;
+  } FProperty;
+  struct {
+    uint16 ArrayDim = 0;
+    uint16 ElementSize = 0;
+    uint16 PropertyFlags = 0;
+    uint16 Offset = 0;
+    uint16 Size = 0; // sizeof(UProperty)
+  } UProperty;
+} Scavengers;
+static_assert(sizeof(Scavengers) == sizeof(Offsets));
+
 struct {
   uint16 Stride = 2;
   struct {
@@ -254,6 +312,12 @@ struct {
     {"\x48\x8B\x05\x00\x00\x00\x00\x48\x8B\x0C\xC8\x48\x8D\x04\xD1\xEB", 16},
     nullptr
   },
+  { // Scavenger-Win64-Shipping
+    &Scavengers,
+    {"\x48\x8D\x0D\x00\x00\x00\x00\xE8\x00\x00\x00\x00\xC6\x05\x00\x00\x00\x00\x01\x0F\x10\x03\x4C\x8D\x44\x24\x20\x48\x8B\xC8", 30},
+    {"\x48\x8B\x05\x00\x00\x00\x00\x48\x8B\x0C\xC8\x48\x8D\x04\xD1\xEB", 16},
+    nullptr
+  },
   { // DeadByDaylight-Win64-Shipping
     &DeadByDaylight,
     {"\x48\x8D\x35\x00\x00\x00\x00\xEB\x16", 9},
@@ -290,7 +354,7 @@ struct {
           jmp rax
           */
           uint8 trampoline[] = { 0x48, 0x89, 0x5C, 0x24, 0x08, 0x57, 0x48, 0x83, 0xEC, 0x20, 0x89, 0xD3, 0x48, 0x89, 0xCF, 0x48, 0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0xEF, 0xBE, 0xAD, 0xDE, 0xFF, 0xE0 };
-          *(uint64*)(trampoline + 17) = (uint64)((uint8*)decryptAnsi + 0x46); // https://i.imgur.com/zWtMDar.png
+          *(uint64*)(trampoline + 17) = (uint64)((uint8*)decryptAnsi + 0x4A); // https://i.imgur.com/zWtMDar.png
           Decrypt_ANSI = (ansi_fn)VirtualAlloc(0, sizeof(trampoline), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
           if (Decrypt_ANSI) {
             memcpy(Decrypt_ANSI, trampoline, sizeof(trampoline));
@@ -308,10 +372,11 @@ std::unordered_map<std::string, decltype(&engines[0])> games = {
     {"SCUM", &engines[0]},
     {"PropWitchHuntModule-Win64-Shipping", &engines[0]},
     {"HLL-Win64-Shipping", &engines[0]},
-    {"DeadByDaylight-Win64-Shipping", &engines[1]},
-    {"Brickadia-Win64-Shipping", &engines[2]},
-    {"POLYGON-Win64-Shipping", &engines[3]},
-    {"FortniteClient-Win64-Shipping", &engines[4]}
+    {"Scavenger-Win64-Shipping", &engines[1]},
+    {"DeadByDaylight-Win64-Shipping", &engines[2]},
+    {"Brickadia-Win64-Shipping", &engines[3]},
+    {"POLYGON-Win64-Shipping", &engines[4]},
+    {"FortniteClient-Win64-Shipping", &engines[5]}
 };
 
 STATUS EngineInit(std::string game, void* image) {
diff --git a/README.md b/README.md
index df9c952..ae00fca 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@
  - Brickadia
  - POLYGON
  - SCUM
+ - Scavengers
 
 ### Usage:
 ```