.. /Ldifde.exe

Star

Paths:

• c:\windows\system32\ldifde.exe
• c:\windows\syswow64\ldifde.exe

Resources:

• https://twitter.com/0gtweet/status/1564968845726580736

Acknowledgements:

• Grzegorz Tworek (@0gtweet)

Detections:

• Sigma: https://github.com/SigmaHQ/sigma/blob/3d172914f6c2bd5c2b5ed471bf0657a662d395af/rules/windows/process_creation/proc_creation_win_ldifde_export.yml
• Sigma: https://github.com/SigmaHQ/sigma/blob/3d172914f6c2bd5c2b5ed471bf0657a662d395af/rules/windows/process_creation/proc_creation_win_ldifde_file_load.yml
• Sigma: https://github.com/SigmaHQ/sigma/blob/3d172914f6c2bd5c2b5ed471bf0657a662d395af/rules-emerging-threats/2019/TA/APT31/proc_creation_win_apt_apt31_judgement_panda.yml

Download

1. Import inputfile.ldf into LDAP. If the file contains http-based attrval-spec such as thumbnailPhoto:< http://example.org/somefile.txt, the file will be downloaded into IE temp folder.

   Ldifde -i -f inputfile.ldf

   Use case

   Download file from Internet

   Privileges required

   Administrator

   Operating systems

   Windows Server with AD Domain Services role, Windows 10 with AD LDS role.

   ATT&CK® technique

   T1105