<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/'><id>tag:blogger.com,1999:blog-1812985003737084262.post1347071819041808261..comments</id><updated>2009-03-25T22:36:34.896-04:00</updated><title type='text'>Comments on Bing Xia's Blog: Notes on investigating security failures</title><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://www.bytetalk.net/feeds/1347071819041808261/comments/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/1812985003737084262/1347071819041808261/comments/default'/><link rel='alternate' type='text/html' href='http://www.bytetalk.net/2009/03/some-useful-tips-on-trouble-shooting.html'/><author><name>bxia</name><uri>http://www.blogger.com/profile/13262666423559414651</uri><email>noreply@blogger.com</email></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>2</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-1812985003737084262.post-7638628774165368609</id><published>2009-03-25T22:36:00.000-04:00</published><updated>2009-03-25T22:36:00.000-04:00</updated><title type='text'>For all impersonate functions, such as Impersonate...</title><content type='html'>For all impersonate functions, such as ImpersonateLoggedOnUser, we might not need to dig into the security descriptors of security objects involved. &lt;BR/&gt;&lt;BR/&gt;Per MSDN documentation, &lt;BR/&gt;All impersonate functions,including ImpersonateLoggedOnUser allow the requested impersonation if one of the following is true:&lt;BR/&gt;&lt;BR/&gt;* The requested impersonation level of the token is less than SecurityImpersonation, such as SecurityIdentification or SecurityAnonymous.&lt;BR/&gt;* The caller has the SeImpersonatePrivilege privilege.&lt;BR/&gt;* A process (or another process in the caller's logon session) created the token using explicit credentials through LogonUser or LsaLogonUser function.&lt;BR/&gt;* The authenticated identity is same as the caller.&lt;BR/&gt;&lt;BR/&gt;We can check whether SeImpersonatePrivilege is enabled in the token of the calling thread.</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/1812985003737084262/1347071819041808261/comments/default/7638628774165368609'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/1812985003737084262/1347071819041808261/comments/default/7638628774165368609'/><link rel='alternate' type='text/html' href='http://www.bytetalk.net/2009/03/some-useful-tips-on-trouble-shooting.html?showComment=1238034960000#c7638628774165368609' title=''/><author><name>bxia</name><uri>http://www.blogger.com/profile/13262666423559414651</uri><email>noreply@blogger.com</email><gd:extendedProperty xmlns:gd='http://schemas.google.com/g/2005' name='OpenSocialUserId' value='09243653802358226527'/></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://www.bytetalk.net/2009/03/some-useful-tips-on-trouble-shooting.html' ref='tag:blogger.com,1999:blog-1812985003737084262.post-1347071819041808261' source='http://www.blogger.com/feeds/1812985003737084262/posts/default/1347071819041808261' type='text/html'/></entry><entry><id>tag:blogger.com,1999:blog-1812985003737084262.post-5351424711376342801</id><published>2009-03-24T10:29:00.000-04:00</published><updated>2009-03-24T10:29:00.000-04:00</updated><title type='text'>Process Monitor can also be used to investigate se...</title><content type='html'>Process Monitor can also be used to investigate security failures.</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/1812985003737084262/1347071819041808261/comments/default/5351424711376342801'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/1812985003737084262/1347071819041808261/comments/default/5351424711376342801'/><link rel='alternate' type='text/html' href='http://www.bytetalk.net/2009/03/some-useful-tips-on-trouble-shooting.html?showComment=1237904940000#c5351424711376342801' title=''/><author><name>bxia</name><uri>http://www.blogger.com/profile/13262666423559414651</uri><email>noreply@blogger.com</email><gd:extendedProperty xmlns:gd='http://schemas.google.com/g/2005' name='OpenSocialUserId' value='09243653802358226527'/></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://www.bytetalk.net/2009/03/some-useful-tips-on-trouble-shooting.html' ref='tag:blogger.com,1999:blog-1812985003737084262.post-1347071819041808261' source='http://www.blogger.com/feeds/1812985003737084262/posts/default/1347071819041808261' type='text/html'/></entry></feed>