Hi @ll, the executable installer [°]['] (rather: the 7-Zip based executable self-extractor [²]) of Rapid7's (better known for their flagship Metasploit) ScanNowUPnP.exe loads and executes several rogue/bogus DLLs eventually found in the directory it is started from (the "application directory"), commonly known as "DLL hijacking". For software downloaded with a web browser the application directory is typically the "Downloads" directory: see <https://insights.sei.cmu.edu/cert/2008/09/carpet-bombing-and-directory-poisoning.html>, <http://blog.acrossecurity.com/2012/02/downloads-folder-binary-planting.html> and <http://seclists.org/fulldisclosure/2012/Aug/134> See the comprehensive write-up on Rapid7's community blog: <https://community.rapid7.com/community/infosec/blog/2015/12/21/scannow-dll-search-order-hijacking-vulnerability-and-deprecation> Especially note that Rapid7 removed the now deprecated ScanNowUPnP.exe and advises all users to remove it from any system that still has it. stay tuned Stefan Kanthak [°] <http://seclists.org/fulldisclosure/2015/Nov/101> ['] <http://seclists.org/bugtraq/2015/Dec/112> [²] <http://seclists.org/bugtraq/2015/Dec/61>
