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import argparse
import re
def extract_ascii_strings(data, min_length=4):
ascii_strings = re.findall(rb'[\x20-\x7E]{%d,}' % min_length, data)
return [s.decode('ascii', errors='ignore') for s in ascii_strings]
def extract_unicode_strings(data, min_length=4):
unicode_strings = re.findall((rb'(?:[\x20-\x7E]\x00){%d,}' % min_length), data)
return [s.decode('utf-16le', errors='ignore') for s in unicode_strings]
def extract_strings_from_dll(dll_path):
with open(dll_path, 'rb') as f:
data = f.read()
ascii_strings = extract_ascii_strings(data)
unicode_strings = extract_unicode_strings(data)
return ascii_strings + unicode_strings
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Extract text from a DLL file.")
parser.add_argument("dll_path", help="Path to the DLL file")
parser.add_argument("-o", "--output", help="Output file to save extracted text", default=None)
args = parser.parse_args()
extracted_text = extract_strings_from_dll(args.dll_path)
if args.output:
with open(args.output, "w", encoding="utf-8") as out_file:
out_file.write("\n".join(extracted_text))
print(f"Extracted text saved to {args.output}")
else:
for line in extracted_text:
print(line)
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