C+WinSock IRC Bot and few other useless programs i've found on my freeshell account...

[mirrors/Programs.git] / misc / BinCracking / binpatcher.c

diff --git a/misc/BinCracking/binpatcher.c b/misc/BinCracking/binpatcher.c
new file mode 100755 (executable)
index 0000000..4fe3f55
--- /dev/null
+++ b/misc/BinCracking/binpatcher.c
@@ -0,0 +1,96 @@
+//BinPatcher 3.0\r
+//by: Harvie 2oo7\r
+\r
+/* This code is very useful, if you are cracking software and you need\r
+to share your cracks without whole binary (because of size or copyright).\r
+This is simple way to patch binaries at users home.\r
+Warning: You need to know some things about PE (probably) architecture to use this.\r
+But there is still some automatic computing with addreses,\r
+so you have to know only bit about yours binary...\r
+*/\r
+/*Note: this is patch used to crack free version of CPULower (remove NAG screen),\r
+and you have to edit it for any file, that you want to patch.\r
+*/\r
+\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+\r
+int main(int argc, char *argv[])\r
+{\r
+  //Basic informations\r
+  char file[] = "cpulower.exe";\r
+  char this_file[] = "BinPatcher.exe";\r
+  char title[] = "CPU Lower - NAG screen remover - patcher";\r
+  char author[] = "<-Harvie 2oo7";\r
+  //You can get these from debuger, disassembler, etc...:\r
+  long int image_base = 0x400000; //ImageBase of binary\r
+  long int section_rva = 0x1000; //Virtual addres of patched section\r
+  long int section_offset = 0x400; //Offset of patched section\r
+  long int size = 0, needed_size = 317440;  //Size in Bytes (Compressed size for PE compressors)\r
+  \r
+  //File declaration\r
+  FILE *bin;\r
+\r
+  //Banner\r
+  printf("%s\nby: %s\n\nThis will patch %s\n\n", title, author, file);\r
+  \r
+  //Arguments\r
+  if(argc != 2) {\r
+    printf("Incorrect number of arguments!!!\n");\r
+    printf("Usage: %s %s\n", this_file, file);\r
+    printf("You can simply Drag&Drop file \"%s\" on this (%s)\n\n", file, this_file);\r
+    system("pause");\r
+    return(0);    \r
+          }\r
+  \r
+  //Size check\r
+  int c;\r
+  printf("Checking file size of %s...\n", argv[1]);\r
+  bin = fopen(argv[1], "rb");\r
+    if(bin == NULL) { printf("Error while opening %s\n", argv[1]); return 0; }\r
+    while( (c = fgetc(bin)) != EOF ) {\r
+      size++;\r
+    }\r
+  fclose(bin);\r
+  printf("File size = %d B\n", size);\r
+  if(size != needed_size) {\r
+            printf("Incorrect file size (%d B) !!!\nContinue?\n", size);\r
+            system("pause");\r
+          } else {\r
+            printf("File size OK!\n\n");       \r
+          }\r
+          \r
+  //Backup\r
+  char backup[1024];\r
+  printf("Backuping to %s.crkbak\n", argv[1]);\r
+  sprintf(backup, "copy /B /Y \"%s\" \"%s.crkbak\" > nul", argv[1], argv[1]);\r
+  printf("Backup done.\n\n");\r
+  system(backup);\r
+  \r
+  //UnCompress example for upx (Use this only if you know what it is)\r
+  /*\r
+  printf("Uncompressing...\n");\r
+  char uncs[1024];\r
+  sprintf(uncs, "upx -d \"%s\"", argv[1]);\r
+  system(uncs); //THis needs upx binary\r
+  printf("Uncompressed!\n\n");\r
+  */\r
+  \r
+  //Patching\r
+  long int virtual_addres = 0x437069; //Virtual addres from debuger - Example: 0x00437069\r
+  unsigned char patch[] = "\x90\x90\x90\x90\x90"; //Patch to apply - Example: "\x90" (== NOP)\r
+  bin = fopen(argv[1], "rb+");\r
+    if(bin == NULL) { printf("Error while opening %s\n", argv[1]); return 0; }\r
+  \r
+  long int offset = virtual_addres - image_base - section_rva + section_offset; //Vypocitame offset v souboru\r
+  printf("Patching code @ D: %d H: 0x%x\n", offset, offset);\r
+  fseek(bin, offset, SEEK_SET); //Seek code\r
+  fwrite(&patch, (sizeof(patch)-1), 1, bin); //Patch code\r
+  \r
+  //GO HOME ;}}\r
+  fclose(bin);\r
+  \r
+  printf("File was successfully patched!!!\n\n");  \r
+  system("PAUSE");     \r
+  return 0;\r
+}\r