{"id":3928,"date":"2016-11-08T00:31:25","date_gmt":"2016-11-08T00:31:25","guid":{"rendered":"http:\/\/www.hexacorn.com\/blog\/?p=3928"},"modified":"2016-11-08T00:31:55","modified_gmt":"2016-11-08T00:31:55","slug":"beyond-good-ol-run-key-part-50","status":"publish","type":"post","link":"https:\/\/www.hexacorn.com\/blog\/2016\/11\/08\/beyond-good-ol-run-key-part-50\/","title":{"rendered":"Beyond good ol\u2019 Run key, Part 50"},"content":{"rendered":"<p>Windows 10 has more phantom DLL files&#8230;<\/p>\n<p>(Re)starting the Print Spooler or Fax services leads to C:\\Windows\\System32\\ualapi.dll being loaded.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.hexacorn.com\/blog\/wp-content\/uploads\/2016\/11\/ualapi1.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3929 size-full\" src=\"https:\/\/www.hexacorn.com\/blog\/wp-content\/uploads\/2016\/11\/ualapi1.png\" alt=\"ualapi1\" width=\"557\" height=\"55\" srcset=\"https:\/\/www.hexacorn.com\/blog\/wp-content\/uploads\/2016\/11\/ualapi1.png 557w, https:\/\/www.hexacorn.com\/blog\/wp-content\/uploads\/2016\/11\/ualapi1-300x30.png 300w\" sizes=\"(max-width: 557px) 100vw, 557px\" \/><\/a>Except it is not always present &#8211; as far as I can tell it is only present on Windows server 2012 (can someone confirm it?) as it is responsible for providing <a href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/jj191750(v=vs.85).aspx\">User Access Logging (UAL)<\/a> functionality.<\/p>\n<p>So, placing a malicious C:\\Windows\\System32\\ualapi.dll on Windows 10 will lead to its execution anytime system starts (nowadays Print Spooler is started most of the time).<\/p>\n<p>Of course, writing to c:\\windows\\system32 requires admin rights.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows 10 has more phantom DLL files&#8230; (Re)starting the Print Spooler or Fax services leads to C:\\Windows\\System32\\ualapi.dll being loaded. &nbsp; Except it is not always present &#8211; as far as I can tell it is only present on Windows server &hellip; <a href=\"https:\/\/www.hexacorn.com\/blog\/2016\/11\/08\/beyond-good-ol-run-key-part-50\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,35,15,19,46],"tags":[],"_links":{"self":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts\/3928"}],"collection":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/comments?post=3928"}],"version-history":[{"count":1,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts\/3928\/revisions"}],"predecessor-version":[{"id":3930,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/posts\/3928\/revisions\/3930"}],"wp:attachment":[{"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/media?parent=3928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/categories?post=3928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hexacorn.com\/blog\/wp-json\/wp\/v2\/tags?post=3928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}