import sys
import ast
import zlib
import base64
import marshal

if len(sys.argv) < 2: sys.exit(1)
path = sys.argv[1]

malware = open(path, "r")
x = malware.read()
malware.close()

def iteration(x, i):
    if i >= 10:
        return iteration2(x,i)

    eval_str = ast.parse(x).body[1].value.args[0].value

    bytes_payload = ast.parse(eval_str).body[0].value.args[0].args[0].value

    output = marshal.loads(zlib.decompress(base64.b85decode(bytes_payload[::-1])))

    # if type(output) == bytes:
    #     filename = str(i) + ".py"
    #     f = open(filename, "w")
    #     f.write(output.decode())
    #     f.close()
    # else:
    #     print(output)

    return iteration(output, i + 1)

def iteration2(x,i):
    if i >= 400:
        return x
    if i >= 11:
        eval_str = ast.parse(x).body[0].value.args[0].args[0].value
    else:
        eval_str = ast.parse(x).body[1].value.args[0].args[0].value
    
    output = zlib.decompress(base64.b64decode(eval_str[::-1]))

    # if type(output) == bytes:
    #     filename = str(i) + ".py"
    #     f = open(filename, "w")
    #     f.write(output.decode())
    #     f.close()
    # else:
    #     print(output)

    return iteration2(output, i+1)

sc = iteration(x,1)

print(sc.decode())

# output = open("source.py", "w")
# output.write(sc.decode())
# output.close()

# print(ast.dump(ast.parse(sc), indent=4))