Query: Sigma rule for Detects driver load of the System Informer tool
Matching passage: Sigma rule: Detects driver load of the System Informer tool. Logsource: windows / driver_load. Rule: title: PUA - System Informer Driver Load id: 10cb6535-b31d-4512-9962-513dcbc42cc1 related: - id: 67add051-9ee7-4ad3-93ba-42935615ae8d type: similar status: test description: Detects driver load of the System Informer tool references: - https://systeminformer.sourceforge.io/ - https://github.com/winsiderss/systeminformer author: Florian Roth (Nextron Systems) date: 2023-05-08 modified: 2024-11-23 tags: - attack.persistence - attack.privilege-escalation - attack.t1543 logsource: category: driver_load product: windows detection: selection: - ImageLoaded|endswith: \SystemInformer.sys - Hashes|contains: - SHA256=8B9AD98944AC9886EA4CB07700E71B78BE4A2740934BB7E46CA3B56A7C59AD24 - SHA256=A41348BEC147CA4D9EA2869817527EB5CEA2E20202AF599D2B30625433BCF454 - SHA256=38EE0A88AF8535A11EFE8D8DA9C6812AA07067B75A64D99705A742589BDD846D - SHA256=A773891ACF203A7EB0C0D30942FB1347648F1CD918AE2BFD9A4857B4DCF5081B - SHA256=4C3B81AC88A987BBDF7D41FA0AECC2CEDF5B9BD2F45E7A21F376D05345FC211D - SHA256=3241BC14BEC51CE6A691B9A3562E5C1D52E9D057D27A3D67FD0B245C350B6D34 - SHA256=047C42E9BBA28366868847C7DAFC1E043FB038C796422D37220493517D68EE89 - SHA256=18931DC81E95D0020466FA091E16869DBE824E543A4C2C8FE644FA71A0F44FEB - SHA256=B4C2EF76C204273132FDE38F0DED641C2C5EE767652E64E4C4071A4A973B6C1B - SHA256=640954AFC268565F7DAA6E6F81A8EE05311E33E34332B501A3C3FE5B22ADEA97 - SHA256=251BE949F662C838718F8AA0A5F8211FB90346D02BD63FF91E6B224E0E01B656 - SHA256=E2606F272F7BA054DF16BE464FDA57211EF0D14A0D959F9C8DCB0575DF1186E4 - SHA256=3A9E1D17BEEB514F1B9B3BACAEE7420285DE5CBDCE89C5319A992C6CBD1DE138 condition: selection falsepositives: - System Informer is regularly used legitimately by system administrators or developers. Apply additional filters accordingly level: medium
Near-miss passage: Sigma rule: Detects all variations of obfuscated powershell IEX invocation code generated by Invoke-Obfuscation framework from the f. Logsource: windows / ps_script. Rule: title: Invoke-Obfuscation Obfuscated IEX Invocation - PowerShell id: 1b9dc62e-6e9e-42a3-8990-94d7a10007f7 status: test description: Detects all variations of obfuscated powershell IEX invocation code generated by Invoke-Obfuscation framework from the following code block \u2014 references: - https://github.com/danielbohannon/Invoke-Obfuscation/blob/f20e7f843edd0a3a7716736e9eddfa423395dd26/Out-ObfuscatedStringCommand.ps1#L873-L888 author: Daniel Bohannon (@Mandiant/@FireEye), oscd.community date: 2019-11-08 modified: 2022-12-31 tags: - attack.stealth - attack.t1027 - attack.execution - attack.t1059.001 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection_iex: - ScriptBlockText|re: \$PSHome\[\s*\d{1,3}\s*\]\s*\+\s*\$PSHome\[ - ScriptBlockText|re: \$ShellId\[\s*\d{1,3}\s*\]\s*\+\s*\$ShellId\[ - ScriptBlockText|re: \$env:Public\[\s*\d{1,3}\s*\]\s*\+\s*\$env:Public\[ - ScriptBlockText|re: \$env:ComSpec\[(\s*\d{1,3}\s*,){2} - ScriptBlockText|re: \*mdr\*\W\s*\)\.Name - ScriptBlockText|re: \$VerbosePreference\.ToString\( condition: selection_iex falsepositives: - Unknown level: high