6.4 Medium
AI Score
Confidence
Low
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.967 High
EPSS
Percentile
99.7%
Your machine is infected with the
# SPDX-FileCopyrightText: 2001 SecuriTeam
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/a:microsoft:internet_information_services";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.10713");
script_version("2023-10-10T05:05:41+0000");
script_tag(name:"last_modification", value:"2023-10-10 05:05:41 +0000 (Tue, 10 Oct 2023)");
script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_cve_id("CVE-2001-0500");
script_name("Code Red X Worm Detection - Active Check");
script_category(ACT_GATHER_INFO);
script_tag(name:"qod_type", value:"remote_active");
script_copyright("Copyright (C) 2001 SecuriTeam");
script_family("Malware");
script_dependencies("gb_microsoft_iis_http_detect.nasl");
script_require_ports("Services/www", 80);
script_mandatory_keys("microsoft/iis/http/detected");
script_tag(name:"solution", value:"1) Remove the file root.exe from both directories:
\inetpub\scripts
and
\program files\common files\system\msadc
2) Install an updated antivirus program (this will remove the Explorer.exe Trojan)
3) Set SFCDisable in hklm\software\microsoft\windows nt\currentversion\winlogon to: 0
4) Remove the two newly created virtual directories: C and D (Created by the Trojan)
5) Make sure no other files have been modified.
It is recommended that hosts that have been compromised by Code Red X would reinstall the operating system from scratch and patch it accordingly.");
script_xref(name:"URL", value:"http://www.securiteam.com/securitynews/5GP0V004UQ.html");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/2880");
script_xref(name:"URL", value:"http://www.securiteam.com/windowsntfocus/5WP0L004US.html");
script_xref(name:"URL", value:"http://www.cert.org/advisories/CA-2001-11.html");
script_xref(name:"URL", value:"http://www.microsoft.com/technet/itsolutions/security/tools/redfix.asp");
script_tag(name:"summary", value:"Your machine is infected with the 'Code Red' worm. Your Windows system seems to be compromised.");
script_tag(name:"solution_type", value:"Mitigation");
exit(0);
}
include("http_func.inc");
include("host_details.inc");
# nb: No get_app_location() as IIS is not "directly" affected and the initial version of
# this VT had only checked for the banner of IIS.
if(!port = get_app_port(cpe:CPE, service:"www"))
exit(0);
soc = http_open_socket(port);
if(!soc)
exit(0);
req = http_get(item:"/scripts/root.exe?/c+dir+c:\+/OG", port:port);
send(socket:soc, data:req);
buf = http_recv(socket:soc);
http_close_socket(soc);
pat1 = "<DIR>";
pat2 = "Directory of C";
if ( ("This program cannot be run in DOS mode" >< buf) || (pat1 >< buf) || (pat2 >< buf) )
{
security_message(port);
exit(0);
} else {
soc = http_open_socket(port);
if ( ! soc )
exit(0);
req = http_get(item:"/c/winnt/system32/cmd.exe?/c+dir+c:\+/OG", port:port);
send(socket:soc, data:req);
buf = http_recv(socket:soc);
http_close_socket(soc);
if (("This program cannot be run in DOS mode" >< buf) || (pat1 >< buf) || (pat2 >< buf) )
{
security_message(port);
exit(0);
}
}