import platform
from smb.SMBConnection import SMBConnection

# connection open
conn = SMBConnection(
    '',
    '',
    platform.uname().node,
    '192.168.11.100',
    domain='WORKGROUP',
    use_ntlm_v2=True)
conn.connect('192.168.11.100', 139)


# IPアドレス以降のファイルパスを設定
items = conn.listPath('share' , "sdb1")
print([item.filename for item in items])

print(conn.echo('echo success'))

conn.close()

参照

https://qiita.com/t2kojima/items/250d68c56a8c9fe95f52