+NTFS File Attributes Mitigation

NTFS File Attributes Mitigation

It may be difficult or inadvisable to block access to EA and ADSs.[1],[2] Efforts should be focused on preventing potentially malicious software from running. Identify and block potentially malicious software that may contain functionality to hide information in EA and ADSs by using whitelisting[3] tools like AppLocker[4],[5] or Software Restriction Policies[6] where appropriate.[7]

Consider adjusting read and write permissions for NTFS EA, though this should be tested to ensure routine OS operations are not impeded.[8]

References

  1. Marlin, J. (2013, March 24). Alternate Data Streams in NTFS. Retrieved March 21, 2018.
  2. Pravs. (2009, May 25). What you need to know about alternate data streams in windows? Is your Data secure? Can you restore that?. Retrieved March 21, 2018.
  3. Beechey, J. (2010, December). Application Whitelisting: Panacea or Propaganda?. Retrieved November 18, 2014.
  4. Tomonaga, S. (2016, January 26). Windows Commands Abused by Attackers. Retrieved February 2, 2016.
  5. NSA Information Assurance Directorate. (2014, August). Application Whitelisting Using Microsoft AppLocker. Retrieved March 31, 2016.
  6. Corio, C., & Sayana, D. P. (2008, June). Application Lockdown with Software Restriction Policies. Retrieved November 18, 2014.
  7. Microsoft. (2012, June 27). Using Software Restriction Policies and AppLocker Policies. Retrieved April 7, 2016.
  8. Sander, J. (2017, October 12). Attack Step 3: Persistence with NTFS Extended Attributes – File System Attacks. Retrieved March 21, 2018.

1. Oversigt

1.1 Referencer

1.2 Identificerede krav

1.3 Relaterede reguleringer

2. Identificerede krav

Krav

3. Relaterede reguleringer

Reguleringer

Linkede sager

Sagslinks
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