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Microsoft IIS shortname vulnerability scanner

The vulnerability is caused by a tilde character "~" in a GET or OPTIONS request, which could allow remote attackers to diclose 8.3 filenames (short names). In 2010, Soroush Dalili and Ali Abbasnejad discovered the original bug (GET request). This was publicly disclosed in 2012. In 2014, Soroush Dalili discovered that newer IIS installations are vulnerable with OPTIONS.

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Module Name



  • Soroush Dalili
  • Ali Abbasnejad
  • MinatoTW <shaks19jais [at]>
  • egre55 <ianaustin [at]>




Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use auxiliary/scanner/http/iis_shortname_scanner msf auxiliary(iis_shortname_scanner) > show actions ...actions... msf auxiliary(iis_shortname_scanner) > set ACTION <action-name> msf auxiliary(iis_shortname_scanner) > show options and set options... msf auxiliary(iis_shortname_scanner) > run