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BNAT Scanner

This module is a scanner which can detect Broken NAT (network address translation) implementations, which could result in a inability to reach ports on remote machines. Typically, these ports will appear in nmap scans as 'filtered'/'closed'.


Rank

  • Normal

Authors

  • bannedit < bannedit [at] metasploit.com >
  • Jonathan Claudius < jclaudius [at] trustwave.com >

References


Development


Similar Modules


Usage Information

$ msfconsole

                ##                          ###           ##    ##
 ##  ##  #### ###### ####  #####   #####    ##    ####        ######
####### ##  ##  ##  ##         ## ##  ##    ##   ##  ##   ###   ##
####### ######  ##  #####   ####  ##  ##    ##   ##  ##   ##    ##
## # ##     ##  ##  ##  ## ##      #####    ##   ##  ##   ##    ##
##   ##  #### ###   #####   #####     ##   ####   ####   #### ###
                                      ##

msf > use auxiliary/bnat/bnat_scan
msf auxiliary(bnat_scan) > set RHOSTS [TARGET HOST RANGE]
msf auxiliary(bnat_scan) > run


Module Options

INTERFACE The name of the interface (default: eth0)
PORTS Ports to scan (e.g. 22-25,80,110-900) (default: 21,22,23,80,443)
RHOSTS The target address range or CIDR identifier
THREADS The number of concurrent threads (default: 1)
TIMEOUT The reply read timeout in milliseconds (default: 500)
GATEWAY The gateway IP address. This will be used rather than a random remote address for the UDP probe, if set.
NETMASK The local network mask. This is used to decide if an address is in the local network.
ShowProgress Display progress messages during a scan
ShowProgressPercent The interval in percent that progress should be shown
UDP_SECRET The 32-bit cookie for UDP probe requests.
VERBOSE Enable detailed status messages
WORKSPACE Specify the workspace for this module