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Builder patch #9

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merged 2 commits into from
Mar 3, 2021
Merged

Builder patch #9

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e305ad8
Fix: Binary file check, max string size check
joshfaust Mar 3, 2021
10599a4
Fix: Check for c++ 16380 max single byte strings
joshfaust Mar 3, 2021
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Fix: Check for c++ 16380 max single byte strings
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@joshfaust
joshfaust committed Mar 3, 2021
commit 10599a44d89879cc0bbfa47f71582760fc83410a
13 changes: 9 additions & 4 deletions builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -136,20 +136,25 @@ def move_binary(path: str) -> str:

if os.path.exists(exe_path):
shutil.move(current_location, path)
else:
path = os.getcwd()
shutil.move(current_location, path)
else:
shutil.move(current_location, path)
path = path + "loader.exe"

return path


def is_max_string(string: str) -> bool:
"""
Checks to make sure the Base64 Shellcode string is not too
large. C++ has a max character limit of 4294967294
large. https://docs.microsoft.com/en-us/cpp/error-messages/compiler-errors-1/compiler-error-c2026?view=msvc-160&viewFallbackFrom=vs-2019
"""
cpp_max_size = 4294967294
cpp_max_size = 16380
if len(string) >= cpp_max_size:
print(f"{Fore.RED}[!] Shellcode Too Large, C++ Max String is 4294967294 characters.")
print(f"{Fore.RED}[!] Shellcode Too Large, a string can't be longer than 16380 single-byte characters.")
print(f"{Fore.CYAN}[i] https://docs.microsoft.com/en-us/cpp/error-messages/compiler-errors-1/compiler-error-c2026?view=msvc-160&viewFallbackFrom=vs-2019")
return True
return False

Expand Down Expand Up @@ -235,5 +240,5 @@ def parse_shellcode(shellcode_file: str) -> bytes:
print(f"{Fore.CYAN}[i] Variable Swap:{Fore.GREEN}\tSuccessful{Fore.RESET}")
if compile():
print(f"{Fore.CYAN}[i] Compiling:{Fore.GREEN}\t\tSuccessful{Fore.RESET}")
print(f"{Fore.CYAN}[i] Binary Location:{Fore.MAGENTA}\t{move_binary(args.out_path)}\loader.exe{Fore.RESET}")
print(f"{Fore.CYAN}[i] Binary Location:{Fore.MAGENTA}\t{move_binary(args.out_path)}{Fore.RESET}")