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NoVirusThanks OSArmor
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<blockquote data-quote="NoVirusThanks" data-source="post: 716065" data-attributes="member: 68429"><p>A client has just sent me a log file of OSArmor that blocked a recent "MuddyWater" APT threat in a few workstations:</p><p></p><p>[code]</p><p>Date/Time: 06/03/2018 11:18:59</p><p>Process: [5104]C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe</p><p>Parent: [4132]C:\Windows\System32\wmiprvse.exe</p><p>Rule: BlockPowerShellEncodedCommands</p><p>Rule Name: Block execution of PowerShell encoded commands</p><p>Command Line: powershell.exe -exec Bypass -c iex([System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String((get-content C:\\ProgramData\\WindowsDefender.ini))))</p><p>Signer:</p><p>Parent Signer:</p><p>[/code]</p><p></p><p>Here are more information about recent "MuddyWater" attack:</p><p><a href="https://sec0wn.blogspot.it/2018/03/a-quick-dip-into-muddywaters-recent.html" target="_blank">A Quick Dip into MuddyWater's Recent Activity</a></p><p></p><p>//Everyone</p><p></p><p>I plan to enable a few option in Advancted tab by default prior to releave OSA 1.4:</p><p></p><p><strong>Block specific locations</strong></p><p></p><p></p><p></p><p><strong>Block scripts execution</strong></p><p></p><p></p><p></p><p><strong>Other useful block-rules</strong></p><p></p><p></p><p></p><p><strong>Attacks mitigation rules</strong></p><p></p><p></p><p></p><p>These rules should not create FPs and should be fine with beginner users too.</p><p></p><p>What do you think guys?</p></blockquote><p></p>
[QUOTE="NoVirusThanks, post: 716065, member: 68429"] A client has just sent me a log file of OSArmor that blocked a recent "MuddyWater" APT threat in a few workstations: [code] Date/Time: 06/03/2018 11:18:59 Process: [5104]C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Parent: [4132]C:\Windows\System32\wmiprvse.exe Rule: BlockPowerShellEncodedCommands Rule Name: Block execution of PowerShell encoded commands Command Line: powershell.exe -exec Bypass -c iex([System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String((get-content C:\\ProgramData\\WindowsDefender.ini)))) Signer: Parent Signer: [/code] Here are more information about recent "MuddyWater" attack: [URL="https://sec0wn.blogspot.it/2018/03/a-quick-dip-into-muddywaters-recent.html"]A Quick Dip into MuddyWater's Recent Activity[/URL] //Everyone I plan to enable a few option in Advancted tab by default prior to releave OSA 1.4: [B]Block specific locations[/B] [B]Block scripts execution[/B] [B]Other useful block-rules[/B] [B]Attacks mitigation rules[/B] These rules should not create FPs and should be fine with beginner users too. What do you think guys? [/QUOTE]
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