{"id":3179,"date":"2009-05-24T12:41:39","date_gmt":"2009-05-24T10:41:39","guid":{"rendered":"http:\/\/www.roumazeilles.net\/news\/en\/wordpress\/?p=3179"},"modified":"2009-04-29T22:08:40","modified_gmt":"2009-04-29T20:08:40","slug":"your-os-passwords-are-not-safe","status":"publish","type":"post","link":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/2009\/05\/24\/your-os-passwords-are-not-safe\/","title":{"rendered":"Your OS passwords are not safe"},"content":{"rendered":"<p>You choose your passwords as the most sophisticated and the strongest as you understand the importance to protect your computer. But did you know that this is nearly useless? A few commands and here is your safe password replaced or removed by a mere user, by your youngest nephew.<\/p>\n<ul>\n<a href=\"http:\/\/ophcrack.sourceforge.net\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.roumazeilles.net\/news\/fr\/wordpress\/wp-content\/uploads\/2009\/04\/logo_complet.png\" alt=\"logo_complet\" title=\"logo_complet\" width=\"197\" height=\"32\" class=\"alignright size-full wp-image-3460\" \/><\/a>\t<\/p>\n<li>On <strong>Windows<\/strong>, it&#8217;s enough to use the bootable CD-ROM of <font color=\"#DDDDDD\"><a href=\"http:\/\/ophcrack.sourceforge.net\/\">Ophcrack<\/a><\/font> which is available as <em>Open Source<\/em>. Reboot and watch the software program find the Windows Administrator password&#8230;<\/li>\n<li>Ophcrack also works on <strong>Mac<\/strong> (and Linux) but with OSX10.4, it&#8217;s enough to use the Apple installation CD and to choose &#8220;Utilities&#8221; to run &#8220;Reset the password&#8221;. On OSX10.5, you&#8217;ll have to reboot, press Command+S, then type the following at the prompt:<\/li>\n<pre>fsck -fy\r\nmount -uw \/\r\nlaunchctl load \/System\/Library\/LaunchDaemons\/com.apple.DirectoryServices.plist\r\ndscl . -passwd \/Users\/UserName newpassword<\/pre>\n<li>If on <strong>Linux<\/strong>, if boot is controled by GRUB, it&#8217;s enough to press ESC during the boot sequence to choose &#8216;Recovery Mode&#8217; which will will start you as root without even knowing the password. Just change it now&#8230;<\/li>\n<li>But even better (or worse), on Linux again, here is a list of <a href=\"http:\/\/www.handlewithlinux.com\/10-ways-of-resetting-a-lost-linux-root-password\">10 ways of resetting a lost linux root password<\/a><\/li>\n<\/ul>\n<p>Plus ou moins inspir\u00e9 de <a href=\"http:\/\/www.joetech.com\/2009\/01\/29\/how-to-crack-the-account-password-on-any-operating-system\/\">JoeTech<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You choose your passwords as the most sophisticated and the strongest as you understand the importance to protect your computer. But did you know that this is nearly useless? A few commands and here is your safe password replaced or removed by a mere user, by your youngest nephew. On Windows, it&#8217;s enough to use [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13488,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,24,10,79,16],"tags":[1029],"class_list":["post-3179","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apple","category-computers","category-linux","category-security","category-vista","tag-password"],"_links":{"self":[{"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/posts\/3179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/comments?post=3179"}],"version-history":[{"count":0,"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/posts\/3179\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/media\/13488"}],"wp:attachment":[{"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/media?parent=3179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/categories?post=3179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.roumazeilles.net\/news\/en\/wordpress\/wp-json\/wp\/v2\/tags?post=3179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}