<# PowerShell Script to Secure Internet Explorer & Memory Operations reg add "HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_PRINT_INFO_DISCLOSURE_FIX" /v iexplore.exe /t REG_DWORD /d 1 /f reg add "HKLM\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_PRINT_INFO_DISCLOSURE_FIX" /v iexplore.exe /t REG_DWORD /d 1 /f reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverride /t REG_DWORD /d 0 /f reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverrideMask /t REG_DWORD /d 3 /f reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Virtualization" /v MinVmVersionForCpuBasedMitigations /t REG_SZ /d "1.0" /f reg add "HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ALLOW_USER32_EXCEPTION_HANDLER_HARDENING" /v iexplore.exe /t REG_DWORD /d 1 /f reg add "HKLM\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ALLOW_USER32_EXCEPTION_HANDLER_HARDENING" /v iexplore.exe /t REG_DWORD /d 1 /f reg add “HKLM\System\CurrentControlSet\Services\snmp\parameters” /v TrapConfiguration /t REG_DWORD /d 1 /f #> $ieKeys=@( @("CVE-2017-829 (32-Bit)","HKLM:SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_PRINT_INFO_DISCLOSURE_FIX"), @("CVE-2017-8529 (64-bit)","HKLM:SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_PRINT_INFO_DISCLOSURE_FIX"), @("ASLR Hardening Setting for IE (32-Bit)","HKLM:SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ALLOW_USER32_EXCEPTION_HANDLER_HARDENING"), @("ASLR Hardening Setting for IE (64-Bit)","HKLM:SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ALLOW_USER32_EXCEPTION_HANDLER_HARDENING") ) $memKeys=@( @("CVE-2017-5715",“HKLM:SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management”,"FeatureSettingsOverride","0"), @("CVE-2017-5715","HKLM:SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management","FeatureSettingsOverrideMask","3"), @("CVE-2017-5753-54","HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion\Virtualization","MinVmVersionForCpuBasedMitigations","1.0") ) $snmpKeys=@( @("HKLM:System\CurrentControlSet\Services\snmp\parameters","TrapConfiguration","1") ) "----------------------------------------------------------" "Internet Explorer Registry Keys" foreach ($ieKey in $ieKeys){ $value=(Get-ItemProperty -Path $ieKey[1] -Name "iexplore.exe").'iexplore.exe' $result=if($value -eq 1){"pass"}else{"fail"} $ieKey[0] + ": " + $result } "----------------------------------------------------------" "Memory Management Registry Keys" foreach ($memKey in $memKeys){ $value=(Get-ItemProperty -Path $memKey[1] -Name $memKey[2]).[string]($memKey[2]) $result=if($value -eq $memKey[3]){"pass"}else{"fail"} $memKey[0]+ ": " + $result } "----------------------------------------------------------" "----------------------------------------------------------" $value=(Get-ItemProperty -Path $snmpKeys[0] -Name $snmpKeys[1]).[string]($snmpKeys[1]) $result=if($value -eq $snmpKeys[2]){"pass"}else{"fail"} "SNMP "+ $snmpKeys[0]+ ": " + $result "----------------------------------------------------------"
March 29, 2019March 29, 2019
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