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75 lines
2.9 KiB
YAML
75 lines
2.9 KiB
YAML
title: Suspicious Process Creation
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id: 5f0f47a5-cb16-4dbe-9e31-e8d976d73de3
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description: Detects suspicious process starts on Windows systems based on keywords
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status: experimental
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references:
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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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- https://twitter.com/vector_sec/status/896049052642533376
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- http://security-research.dyndns.org/pub/slides/FIRST-TC-2018/FIRST-TC-2018_Tom-Ueltschi_Sysmon_PUBLIC.pdf
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author: Florian Roth, Daniil Yugoslavskiy, oscd.community (update)
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date: 2018/01/01
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modified: 2019/11/01
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tags:
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- car.2013-07-001
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logsource:
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category: process_creation
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product: windows
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detection:
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selection:
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CommandLine:
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- '* sekurlsa:*'
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- net localgroup administrators * /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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- 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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- '* wbadmin.exe delete catalog -quiet*'
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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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- '*\fodhelper.exe'
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- '*waitfor*/s*'
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- '*waitfor*/si persist*'
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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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- '* /stext *'
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- '* /scomma *'
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- '* /stab *'
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- '* /stabular *'
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- '* /shtml *'
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- '* /sverhtml *'
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- '* /sxml *'
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condition: selection
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fields:
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- ComputerName
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- User
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- CommandLine
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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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