SoMud Detection

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


include("compat.inc");


if (description)
{
  script_id(49288);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/05/24");

  script_name(english:"SoMud Detection");
  script_summary(english:"Checks for SoMud");

  script_set_attribute(attribute:"synopsis", value:
"There is a peer-to-peer file sharing application installed on the
remote Windows host.");
  script_set_attribute(attribute:"description", value:
"SoMud, a cross-platform peer-to-peer download and file sharing
application, is installed on the remote Windows host.");
  script_set_attribute(attribute:"see_also", value:"http://www.somud.com/");
  script_set_attribute(attribute:"solution", value:
"Remove this software if its use does not match your organization's
acceptable use and security policies.");
  script_set_attribute(attribute:"risk_factor", value:"None");
  script_set_attribute(attribute:"agent", value:"windows");

  script_set_attribute(attribute:"plugin_publication_date", value:"2010/09/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/a:somud:somud");
  script_set_attribute(attribute:"asset_inventory", value:"True");
  script_set_attribute(attribute:"asset_inventory_category", value:"software_enumeration");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Peer-To-Peer File Sharing");

  script_copyright(english:"This script is Copyright (C) 2010-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_hotfixes.nasl");
  script_require_keys("SMB/Registry/Enumerated");
  script_require_ports(139, 445);

  exit(0);
}


include("global_settings.inc");
include("misc_func.inc");
include("smb_func.inc");
include("audit.inc");
include("install_func.inc");


if (!get_kb_item("SMB/Registry/Enumerated")) exit(1, "The registry wasn't enumerated.");


# Connect to the appropriate share.
name    =  kb_smb_name();
port    =  kb_smb_transport();
login   =  kb_smb_login();
pass    =  kb_smb_password();
domain  =  kb_smb_domain();

app = "SoMud";

if(! smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');


# Connect to remote registry.
rc = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if (rc != 1)
{
  NetUseDel();
  exit(1, "Can't connect to IPC$ share.");
}

hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
  NetUseDel();
  exit(1, "Can't connect to remote registry.");
}


# Find where it's installed.
path = NULL;

key = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SoMud";
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
  value = RegQueryValue(handle:key_h, item:"UninstallString");
  if (!isnull(value))
  {
    path = value[1];
    path = ereg_replace(pattern:'(.+)\\\\[^\\\\]+\\.exe', replace:"\1", string:path);

  }

  RegCloseKey(handle:key_h);
}
RegCloseKey(handle:hklm);

if (isnull(path))
{
  NetUseDel();
  exit(0, "SoMud is not installed.");
}
NetUseDel(close:FALSE);


# Check the version of the main exe.
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:path);
exe =  ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1\somud.exe", string:path);

rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
  NetUseDel();
  exit(1, "Can't connect to "+share+" share.");
}

fh = CreateFile(
  file               : exe,
  desired_access     : GENERIC_READ,
  file_attributes    : FILE_ATTRIBUTE_NORMAL,
  share_mode         : FILE_SHARE_READ,
  create_disposition : OPEN_EXISTING
);
if (isnull(fh))
{
  NetUseDel();
  exit(0, "Failed to open '"+(share-'$')+":"+exe+"'.");
}

version = GetProductVersion(handle:fh);
if (isnull(version)) version = "unknown";

CloseFile(handle:fh);
NetUseDel();


# Record some info in the KB and report it.
set_kb_item(name:"SMB/SoMud/Path",    value:path);
set_kb_item(name:"SMB/SoMud/Version", value:version);

register_install(
  vendor:"SoMud",
  product:"SoMud",
  app_name:app,
  path:path,
  version:version,
  cpe: "x-cpe:/a:somud:somud");

report_installs(app_name:app, port:port);