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74 lines
3.1 KiB
YAML
74 lines
3.1 KiB
YAML
title: Detects Suspicious Process Creations
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description: Detects suspicious process starts on Windows systems bsed on keywords
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status: experimental
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reference:
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- https://www.swordshield.com/2015/07/getting-hashes-from-ntds-dit-file/
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- https://www.youtube.com/watch?v=H3t_kHQG1Js&feature=youtu.be&t=15m35s
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- https://winscripting.blog/2017/05/12/first-entry-welcome-and-uac-bypass/
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- https://twitter.com/subTee/status/872244674609676288
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- https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/remote-tool-examples
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- https://tyranidslair.blogspot.ca/2017/07/dg-on-windows-10-s-executing-arbitrary.html
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- https://www.trustedsec.com/2017/07/new-tool-release-nps_payload/
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- https://subt0x10.blogspot.ca/2017/04/bypassing-application-whitelisting.html
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- https://gist.github.com/subTee/7937a8ef07409715f15b84781e180c46#file-rat-bat
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author: Florian Roth
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logsource:
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product: windows
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service: security
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description: 'Requirements: Audit Policy : Detailed Tracking > Audit Process creation, Group Policy : Administrative Templates\System\Audit Process Creation'
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detection:
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selection:
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EventID: 4688
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CommandLine:
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# Hacking activity
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- 'vssadmin.exe delete shadows*'
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- 'vssadmin delete shadows*'
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- 'vssadmin create shadow /for=C:*'
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- 'copy \\?\GLOBALROOT\Device\*\windows\ntds\ntds.dit*'
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- 'copy \\?\GLOBALROOT\Device\*\config\SAM*'
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- 'reg SAVE HKLM\SYSTEM *'
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- '* sekurlsa:*'
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- 'net localgroup adminstrators * /add'
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- 'net group "Domain Admins" * /ADD /DOMAIN'
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- 'certutil.exe *-urlcache* http*'
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- 'certutil.exe *-urlcache* ftp*'
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# Malware
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- 'netsh advfirewall firewall *\AppData\*'
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- 'attrib +S +H +R *\AppData\*'
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- 'schtasks* /create *\AppData\*'
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- 'schtasks* /sc minute*'
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- '*\Regasm.exe *\AppData\*'
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- '*\Regasm *\AppData\*'
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- '*\bitsadmin* /transfer*'
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- '*\certutil.exe * -decode *'
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- '*\certutil.exe * -decodehex *'
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- '*\certutil.exe -ping *'
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- 'icacls * /grant Everyone:F /T /C /Q'
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- '* wmic shadowcopy delete *'
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# Scripts
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- '*\wscript.exe *.jse'
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- '*\wscript.exe *.js'
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- '*\wscript.exe *.vba'
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- '*\wscript.exe *.vbe'
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- '*\cscript.exe *.jse'
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- '*\cscript.exe *.js'
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- '*\cscript.exe *.vba'
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- '*\cscript.exe *.vbe'
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# UAC bypass
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- '*\fodhelper.exe'
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# persistence
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- '*waitfor*/s*'
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- '*waitfor*/si persist*'
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# remote
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- '*remote*/s*'
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- '*remote*/c*'
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- '*remote*/q*'
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# AddInProcess
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- '*AddInProcess*'
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# NotPowershell (nps) attack
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- '*msbuild*'
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condition: selection
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falsepositives:
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- False positives depend on scripts and administrative tools used in the monitored environment
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level: medium
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