Agent: Fix SSH exploiter to be able to exploit unknown OS

Previously if the agent couldn't detect the OS, agent failed with errors

monkey/infection_monkey/exploit/sshexec.py

@@ -4,6 +4,7 @@ from pathlib import PurePath
 
 import paramiko
 
+from common import OperatingSystem
 from common.common_consts.timeouts import LONG_REQUEST_TIMEOUT, MEDIUM_REQUEST_TIMEOUT
 from common.credentials.credentials import get_plaintext
 from common.utils import Timer
@@ -181,7 +182,8 @@ class SSHExploiter(HostExploiter):
                 _, stdout, _ = ssh.exec_command("uname -o", timeout=SSH_EXEC_TIMEOUT)
                 uname_os = stdout.read().lower().strip().decode()
                 if "linux" in uname_os:
-                    self.exploit_result.os = "linux"
+                    self.exploit_result.os = OperatingSystem.LINUX
+                    self.host.os["type"] = OperatingSystem.LINUX
                 else:
                     self.exploit_result.error_message = f"SSH Skipping unknown os: {uname_os}"