Application Whitelisting and Your Managed Desktops Aakash Shah

Application Whitelisting and Your Managed Desktops Aakash Shah / Jeremy Paje August 15, 2018

Application Whitelisting and Your Managed Desktops About Us Jeremy Paje Manager, Desktop Support Services Office of Information Technology Aakash Shah Systems Engineer, Windows Services Group Office of Information Technology 2

Application Whitelisting and Your Managed Desktops Overview What is Application Whitelisting? Reasons for implementing Setting up AppLocker policies Troubleshooting AppLocker Challenges Questions 3

Application Whitelisting and Your Managed Desktops Question for you 4

Application Whitelisting and Your Managed Desktops Common security layers Antivirus Firewall (software) Firewall (hardware) Patching IPS *Application whitelisting 5

Application Whitelisting and Your Managed Desktops What is Application Whitelisting? Ways to control application execution – Trust Centric – Default Deny, allow only files on whitelist to run. (recommended) – Threat Centric – Default Allow, block files on blacklist from running. 6

Application Whitelisting and Your Managed Desktops Why should we care? 7

Application Whitelisting and Your Managed Desktops Problems Before Application Whitelisting (Even on patched machines even without admin rights) 8

Application Whitelisting Microsoft AppLocker Windows 10 Enterprise/Education, Windows 7 Enterprise Group Policy 9

First things first Test, test, test. 10

Application Whitelisting and Your Managed Desktops Where Are The AppLocker Policies? 11

Application Whitelisting and Your Managed Desktops Configure Rule Enforcement 12

Application Whitelisting and Your Managed Desktops Enable DLL Rules 13

Application Whitelisting and Your Managed Desktops 14

Application Whitelisting and Your Managed Desktops Create Default Rules 15

Application Whitelisting and Your Managed Desktops Default Rules View 16

Enable Application Identity Service 17

Application Whitelisting and Your Managed Desktops Adding Custom Rules 18

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Recommendations/Tips Store apps - NT AUTHORITY\SYSTEM Writable folders under C:\Windows AppLocker variables DLLs 24

Application Whitelisting and Your Managed Desktops Challenges Types of problems we see: “I need to log into this webinar now!” Errors while installing applications “Issued To” certificate attribute changes AppLocker rule limitations Constrained Language Mode in PowerShell 25

Application Whitelisting and Your Managed Desktops Questions? Jeremy Paje Manager, Desktop Support Services Office of Information Technology [email protected] Aakash Shah Systems Engineer, Windows Services Group Office of Information Technology [email protected] Click Here To Audio Of This Presentation 26