Microsoft Windows Messenger Detection

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
 script_id(11429);
 script_version("1.17");
 script_set_attribute(attribute:"plugin_modification_date", value:"2022/02/01");

 script_name(english:"Microsoft Windows Messenger Detection");
 script_summary(english:"Determines if Windows Messenger is installed");

 script_set_attribute(attribute:"synopsis", value:"The remote host contains an instant messaging client.");
 script_set_attribute(attribute:"description", value:
"Windows Messenger, an instant messaging client, is installed on the
remote Windows host.");
 script_set_attribute(attribute:"solution", value:
"Ensure that use of this softare agrees with your organization's
acceptable use and security policies.");
 script_set_attribute(attribute:"risk_factor", value:"None");

 script_set_attribute(attribute:"plugin_publication_date", value:"2003/03/21");

 script_set_attribute(attribute:"plugin_type", value:"local");
 script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:windows_messenger");
 script_set_attribute(attribute:"asset_inventory", value:"True");
 script_set_attribute(attribute:"agent", value:"windows");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);

 script_copyright(english:"This script is Copyright (C) 2003-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
 script_family(english:"Windows");
 script_dependencies("smb_hotfixes.nasl");
 script_require_keys("SMB/Registry/Enumerated");
 script_require_ports(139, 445);
 exit(0);
}

#

include("smb_func.inc");
include("audit.inc");

if ( ! get_kb_item("SMB/Registry/Enumerated") ) exit(1);


name	= kb_smb_name();
login	= kb_smb_login();
pass	= kb_smb_password();
domain  = kb_smb_domain();
port	= kb_smb_transport();



if(! smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');
r = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if ( r != 1 ) exit(1);

hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if ( isnull(hklm) )
{
 NetUseDel();
 exit(1);
}


key = "SOFTWARE\Microsoft\MessengerService";
item = "InstallationDirectory";

key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if ( ! isnull(key_h) )
{
 value = RegQueryValue(handle:key_h, item:item);

 if (!isnull (value))
 {
   vuln = 1;
   security_note(port);
 }

 RegCloseKey (handle:key_h);
}


RegCloseKey (handle:hklm);
NetUseDel ();