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Video Reviews - Security and Privacy
NotPetya and Standard User Account
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<blockquote data-quote="Andy Ful" data-source="post: 649884" data-attributes="member: 32260"><p>The simplest method to silently elevate malware on SUA is stealing the administrator's credentials from the cache. So, some system hardening will be necessary:</p><p>; Default value CachedLogonsCount = 10 must be changed to 0 (restart the system).</p><p>[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]</p><p>"CachedLogonsCount"="0"</p><p></p><p>Edit.</p><p>SUA is pretty safe when used with 'no elevate' UAC setting:</p><p>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System</p><p>"ConsentPromptBehaviorUser"=dword:00000000</p><p></p><p>With this setting, nothing started as standard user can elevate on SUA. All administrative work must be done on different (administrator) account.</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 649884, member: 32260"] The simplest method to silently elevate malware on SUA is stealing the administrator's credentials from the cache. So, some system hardening will be necessary: ; Default value CachedLogonsCount = 10 must be changed to 0 (restart the system). [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] "CachedLogonsCount"="0" Edit. SUA is pretty safe when used with 'no elevate' UAC setting: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System "ConsentPromptBehaviorUser"=dword:00000000 With this setting, nothing started as standard user can elevate on SUA. All administrative work must be done on different (administrator) account. [/QUOTE]
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