Free Community Detection

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

include("compat.inc");


if (description)
{
 script_id(12014);
 script_version("1.15");
 script_set_attribute(attribute:"plugin_modification_date", value:"2022/02/01");

 name["english"] =

 script_name(english:"Free Community Detection");
 script_summary(english:"Free Community detection");

 script_set_attribute(attribute:"synopsis", value:"An adware program is installed on the remote Windows host.");
 script_set_attribute(attribute:"description", value:
"Free Community is installed on the remote host. This is an adware
program that monitors web traffic, and replaces banner advertisements
with advertisements of its choosing.");
 script_set_attribute(attribute:"see_also", value:"https://www.totaldefense.com/?id=453078027");
 script_set_attribute(attribute:"solution", value:"Remove this program using a spyware or adware removal product.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");

 script_set_attribute(attribute:"plugin_publication_date", value:"2004/01/15");

 script_set_attribute(attribute:"plugin_type", value:"local");
 script_set_attribute(attribute:"cpe", value:"x-cpe:/a:freecommunity:freecommunity");
 script_set_attribute(attribute:"asset_inventory", value:"True");
 script_set_attribute(attribute:"agent", value:"windows");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);
 script_family(english:"Windows");

 script_copyright(english:"This script is Copyright (C) 2004-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

 script_dependencies("smb_hotfixes.nasl");
 script_require_keys("SMB/registry_full_access");

 script_require_ports(139, 445);
 exit(0);
}


# start the script
include("smb_func.inc");
include("audit.inc");

if ( ! get_kb_item("SMB/registry_full_access") ) exit(0);

path[0] = "software\classes\clsid\{2e9caff6-30c7-4208-8807-e79d4ec6f806}";
path[1] = "software\microsoft\windows\currentversion\explorer\browser helper objects\{2e9caff6-30c7-4208-8807-e79d4ec6f806}";



port = kb_smb_transport();
#if(!port || ! get_port_state(port) )exit(0);

login = kb_smb_login();
pass  = kb_smb_password();
domain = kb_smb_domain();


#soc = open_sock_tcp(port);
#if(!soc) exit(0);

#session_init(socket:soc, hostname:kb_smb_name());
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(0);

handle = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if ( isnull(handle) )
{
 NetUseDel();
 exit(0);
}


for (i=0; path[i]; i++) {
       key_h = RegOpenKey(handle:handle, key:path[i], mode:MAXIMUM_ALLOWED);
       if ( !isnull(key_h) )
       {
         RegCloseKey(handle:key_h);
         RegCloseKey(handle:handle);
	 security_warning(kb_smb_transport());
	 NetUseDel();
	 exit(0);
       }
}


RegCloseKey(handle:handle);
NetUseDel();