Chinese Caidao Backdoor Bruteforce - Metasploit
This page contains detailed information about how to use the auxiliary/scanner/http/caidao_bruteforce_login metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.
Module Overview
Name: Chinese Caidao Backdoor Bruteforce
Module: auxiliary/scanner/http/caidao_bruteforce_login
Source code: modules/auxiliary/scanner/http/caidao_bruteforce_login.rb
Disclosure date: -
Last modification time: 2022-01-23 15:28:32 +0000
Supported architecture(s): -
Supported platform(s): -
Target service / protocol: http, https
Target network port(s): 80, 443, 3000, 8000, 8008, 8080, 8443, 8880, 8888
List of CVEs: -
This module attempts to bruteforce chinese caidao asp/php/aspx backdoor.
Module Ranking and Traits
Module Ranking:
- normal: The exploit is otherwise reliable, but depends on a specific version and can't (or doesn't) reliably autodetect. More information about ranking can be found here.
Basic Usage
This module is a scanner module, and is capable of testing against multiple hosts.
msf > use auxiliary/scanner/http/caidao_bruteforce_login
msf auxiliary(caidao_bruteforce_login) > show options
... show and set options ...
msf auxiliary(caidao_bruteforce_login) > set RHOSTS ip-range
msf auxiliary(caidao_bruteforce_login) > exploit
Other examples of setting the RHOSTS option:
Example 1:
msf auxiliary(caidao_bruteforce_login) > set RHOSTS 192.168.1.3-192.168.1.200
Example 2:
msf auxiliary(caidao_bruteforce_login) > set RHOSTS 192.168.1.1/24
Example 3:
msf auxiliary(caidao_bruteforce_login) > set RHOSTS file:/tmp/ip_list.txt
Required Options
- RHOSTS: The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
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Msfconsole Usage
Here is how the scanner/http/caidao_bruteforce_login auxiliary module looks in the msfconsole:
msf6 > use auxiliary/scanner/http/caidao_bruteforce_login
msf6 auxiliary(scanner/http/caidao_bruteforce_login) > show info
Name: Chinese Caidao Backdoor Bruteforce
Module: auxiliary/scanner/http/caidao_bruteforce_login
License: Metasploit Framework License (BSD)
Rank: Normal
Provided by:
Nixawk
Check supported:
No
Basic options:
Name Current Setting Required Description
---- --------------- -------- -----------
BLANK_PASSWORDS false no Try blank passwords for all users
BRUTEFORCE_SPEED 5 yes How fast to bruteforce, from 0 to 5
DB_ALL_CREDS false no Try each user/password couple stored in the current database
DB_ALL_PASS false no Add all passwords in the current database to the list
PASSWORD no A specific password to authenticate with
PASS_FILE /opt/metasploit-framework/embedded/framework/data/wordlists/unix_passwords.txt no The file that contains a list of of probable passwords.
Proxies no A proxy chain of format type:host:port[,type:host:port][...]
RHOSTS yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
RPORT 80 yes The target port (TCP)
SSL false no Negotiate SSL/TLS for outgoing connections
STOP_ON_SUCCESS false yes Stop guessing when a credential works for a host
TARGETURI /caidao.php yes The URL that handles the login process
THREADS 1 yes The number of concurrent threads (max one per host)
VERBOSE true yes Whether to print output for all attempts
VHOST no HTTP server virtual host
Description:
This module attempts to bruteforce chinese caidao asp/php/aspx
backdoor.
References:
https://www.fireeye.com/blog/threat-research/2013/08/breaking-down-the-china-chopper-web-shell-part-i.html
https://www.fireeye.com/blog/threat-research/2013/08/breaking-down-the-china-chopper-web-shell-part-ii.html
https://www.exploit-db.com/docs/27654.pdf
https://www.us-cert.gov/ncas/alerts/TA15-313A
http://blog.csdn.net/nixawk/article/details/40430329
Module Options
This is a complete list of options available in the scanner/http/caidao_bruteforce_login auxiliary module:
msf6 auxiliary(scanner/http/caidao_bruteforce_login) > show options
Module options (auxiliary/scanner/http/caidao_bruteforce_login):
Name Current Setting Required Description
---- --------------- -------- -----------
BLANK_PASSWORDS false no Try blank passwords for all users
BRUTEFORCE_SPEED 5 yes How fast to bruteforce, from 0 to 5
DB_ALL_CREDS false no Try each user/password couple stored in the current database
DB_ALL_PASS false no Add all passwords in the current database to the list
PASSWORD no A specific password to authenticate with
PASS_FILE /opt/metasploit-framework/embedded/framework/data/wordlists/unix_passwords.txt no The file that contains a list of of probable passwords.
Proxies no A proxy chain of format type:host:port[,type:host:port][...]
RHOSTS yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
RPORT 80 yes The target port (TCP)
SSL false no Negotiate SSL/TLS for outgoing connections
STOP_ON_SUCCESS false yes Stop guessing when a credential works for a host
TARGETURI /caidao.php yes The URL that handles the login process
THREADS 1 yes The number of concurrent threads (max one per host)
VERBOSE true yes Whether to print output for all attempts
VHOST no HTTP server virtual host
Advanced Options
Here is a complete list of advanced options supported by the scanner/http/caidao_bruteforce_login auxiliary module:
msf6 auxiliary(scanner/http/caidao_bruteforce_login) > show advanced
Module advanced options (auxiliary/scanner/http/caidao_bruteforce_login):
Name Current Setting Required Description
---- --------------- -------- -----------
DOMAIN WORKSTATION yes The domain to use for Windows authentication
DigestAuthIIS true no Conform to IIS, should work for most servers. Only set to false for non-IIS servers
FingerprintCheck true no Conduct a pre-exploit fingerprint verification
HttpClientTimeout no HTTP connection and receive timeout
HttpRawHeaders no Path to ERB-templatized raw headers to append to existing headers
HttpTrace false no Show the raw HTTP requests and responses
HttpTraceColors red/blu no HTTP request and response colors for HttpTrace (unset to disable)
HttpTraceHeadersOnly false no Show HTTP headers only in HttpTrace
MaxGuessesPerService 0 no Maximum number of credentials to try per service instance. If set to zero or a non-number, this option will not be used.
MaxGuessesPerUser 0 no Maximum guesses for a particular username for the service instance. Note that users are considered unique among different services, so a user at 10.1.1.1:22
is different from one at 10.2.2.2:22, and both will be tried up to the MaxGuessesPerUser limit. If set to zero or a non-number, this option will not be use
d.
MaxMinutesPerService 0 no Maximum time in minutes to bruteforce the service instance. If set to zero or a non-number, this option will not be used.
REMOVE_PASS_FILE false yes Automatically delete the PASS_FILE on module completion
REMOVE_USERPASS_FILE false yes Automatically delete the USERPASS_FILE on module completion
REMOVE_USER_FILE false yes Automatically delete the USER_FILE on module completion
SSLVersion Auto yes Specify the version of SSL/TLS to be used (Auto, TLS and SSL23 are auto-negotiate) (Accepted: Auto, TLS, SSL23, SSL3, TLS1, TLS1.1, TLS1.2)
ShowProgress true yes Display progress messages during a scan
ShowProgressPercent 10 yes The interval in percent that progress should be shown
TRANSITION_DELAY 0 no Amount of time (in minutes) to delay before transitioning to the next user in the array (or password when PASSWORD_SPRAY=true)
UserAgent Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1) no The User-Agent header to use for all requests
WORKSPACE no Specify the workspace for this module
Auxiliary Actions
This is a list of all auxiliary actions that the scanner/http/caidao_bruteforce_login module can do:
msf6 auxiliary(scanner/http/caidao_bruteforce_login) > show actions
Auxiliary actions:
Name Description
---- -----------
Evasion Options
Here is the full list of possible evasion options supported by the scanner/http/caidao_bruteforce_login auxiliary module in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):
msf6 auxiliary(scanner/http/caidao_bruteforce_login) > show evasion
Module evasion options:
Name Current Setting Required Description
---- --------------- -------- -----------
HTTP::header_folding false no Enable folding of HTTP headers
HTTP::method_random_case false no Use random casing for the HTTP method
HTTP::method_random_invalid false no Use a random invalid, HTTP method for request
HTTP::method_random_valid false no Use a random, but valid, HTTP method for request
HTTP::pad_fake_headers false no Insert random, fake headers into the HTTP request
HTTP::pad_fake_headers_count 0 no How many fake headers to insert into the HTTP request
HTTP::pad_get_params false no Insert random, fake query string variables into the request
HTTP::pad_get_params_count 16 no How many fake query string variables to insert into the request
HTTP::pad_method_uri_count 1 no How many whitespace characters to use between the method and uri
HTTP::pad_method_uri_type space no What type of whitespace to use between the method and uri (Accepted: space, tab, apache)
HTTP::pad_post_params false no Insert random, fake post variables into the request
HTTP::pad_post_params_count 16 no How many fake post variables to insert into the request
HTTP::pad_uri_version_count 1 no How many whitespace characters to use between the uri and version
HTTP::pad_uri_version_type space no What type of whitespace to use between the uri and version (Accepted: space, tab, apache)
HTTP::uri_dir_fake_relative false no Insert fake relative directories into the uri
HTTP::uri_dir_self_reference false no Insert self-referential directories into the uri
HTTP::uri_encode_mode hex-normal no Enable URI encoding (Accepted: none, hex-normal, hex-noslashes, hex-random, hex-all, u-normal, u-all, u-random)
HTTP::uri_fake_end false no Add a fake end of URI (eg: /%20HTTP/1.0/../../)
HTTP::uri_fake_params_start false no Add a fake start of params to the URI (eg: /%3fa=b/../)
HTTP::uri_full_url false no Use the full URL for all HTTP requests
HTTP::uri_use_backslashes false no Use back slashes instead of forward slashes in the uri
HTTP::version_random_invalid false no Use a random invalid, HTTP version for request
HTTP::version_random_valid false no Use a random, but valid, HTTP version for request
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Error Messages
This module may fail with the following error messages:
Check for the possible causes from the code snippets below found in the module source code. This can often times help in identifying the root cause of the problem.
Failed: '<RESULT.CREDENTIAL.PRIVATE>'
Here is a relevant code snippet related to the "Failed: '<RESULT.CREDENTIAL.PRIVATE>'" error message:
113: report_good_cred(ip, rport, result)
114: when Metasploit::Model::Login::Status::UNABLE_TO_CONNECT
115: vprint_brute(:level => :verror, :ip => ip, :msg => result.proof)
116: report_bad_cred(ip, rport, result)
117: when Metasploit::Model::Login::Status::INCORRECT
118: vprint_brute(:level => :verror, :ip => ip, :msg => "Failed: '#{result.credential.private}'")
119: report_bad_cred(ip, rport, result)
120: end
121: end
122: end
123:
Backdoor type is not support
Here is a relevant code snippet related to the "Backdoor type is not support" error message:
121: end
122: end
123:
124: def run_host(ip)
125: unless scanner(ip).check_setup
126: print_brute(:level => :error, :ip => ip, :msg => 'Backdoor type is not support')
127: return
128: end
129:
130: bruteforce(ip)
131: end
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Related Pull Requests
- #12022 Merged Pull Request: Deregister PASSWORD_SPRAY option for LoginScanner modules
- #8338 Merged Pull Request: Fix msf/core and self.class msftidy warnings
- #6921 Merged Pull Request: Fix #4885, Support basic and form auth at the same time
- #6896 Merged Pull Request: spelling fix for module
- #6655 Merged Pull Request: use MetasploitModule as a class name
- #6648 Merged Pull Request: Change metasploit class names
References
- CVE: Not available
- https://www.fireeye.com/blog/threat-research/2013/08/breaking-down-the-china-chopper-web-shell-part-i.html
- https://www.fireeye.com/blog/threat-research/2013/08/breaking-down-the-china-chopper-web-shell-part-ii.html
- https://www.exploit-db.com/docs/27654.pdf
- https://www.us-cert.gov/ncas/alerts/TA15-313A
- http://blog.csdn.net/nixawk/article/details/40430329
See Also
Check also the following modules related to this module:
- exploit/multi/http/caidao_php_backdoor_exec
- exploit/dialup/multi/login/manyargs
- auxiliary/scanner/http/cisco_asa_asdm_bruteforce
- auxiliary/scanner/http/joomla_bruteforce_login
- auxiliary/scanner/http/typo3_bruteforce
- auxiliary/gather/citrix_published_bruteforce
- auxiliary/gather/nuuo_cms_bruteforce
- post/multi/gather/dns_bruteforce
Authors
- Nixawk
Version
This page has been produced using Metasploit Framework version 6.2.23-dev. For more modules, visit the Metasploit Module Library.
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