IP Library Granted Patent US 8,490,187
Granted Patent B2
US 8,490,187 · App. 12/408,453 · Granted Jul 16, 2013

Controlling malicious activity detection using behavioral models

Inventors: Shai A. Rubin (Binyamina, IL); Yosef Dinerstein (Haifa, IL); Efim Hudis (Bellevue, WA); Yair Helman (Kefar Neter, IL); Uri Barash (Redmond, WA); Arie Friedman (Petach-Tikva, IL)
Assignee: Microsoft Corporation
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Quick Facts
Patent No.
US 8,490,187
App. No.
12/408,453
Granted
Jul 16, 2013
Kind
B2
Abstract

Systems, methods, and computer program products are described for controlling malicious activity detection with respect to information technology assets based on behavioral models associated with the respective information technology assets. Protection rules and corresponding sensitivities associated with the behavioral models are applied by protection services to detect malicious activity with respect to the information technology assets.

Claims (50)

1. A method of controlling malicious activity detection, comprising:

providing a first graphical interface element at a device that enables an administrative user to select a behavioral model to be associated with an information technology asset; and

distributing a behavioral model indicator indicating the selected behavioral model to each of a plurality of protection services deployed on one or more processing modules to cause the plurality of protection services to utilize a plurality of respective protection rule configurations corresponding to the behavioral model to generate respective malicious activity assessments with respect to the information technology asset, each protection rule configuration including a respective plurality of protection rules having respective rule sensitivities.

2. The method of claim 1 , wherein providing the first graphical interface element comprises:

providing the first graphical interface element that enables the administrative user to select a behavioral model to be associated with a computer.

3. The method of claim 1 , wherein providing the first graphical interface element comprises:

providing the first graphical interface element that enables the administrative user to select a behavioral model to be associated with a user account.

4. The method of claim 1 , wherein providing the first graphical interface element includes providing the first graphical interface element that enables the administrative user to select a plurality of behavioral models to be associated with the information technology asset; and

wherein distributing the behavioral model indicator includes distributing the behavioral model indicator indicating the selected plurality of behavioral models to each of the plurality of protection services to cause the plurality of protection services to utilize respective protection rule configurations corresponding to a combination of the selected behavioral models to generate the respective malicious activity assessments with respect to the information technology asset.

5. The method of claim 1 , further comprising:

providing a second graphical interface element that enables the administrative user to select a detection sensitivity to be associated with the information technology asset; and

distributing a detection sensitivity indicator indicating the selected detection sensitivity to each of the plurality of protection services to cause the plurality of protection services to utilize the plurality of respective protection rule configurations that further correspond to the detection sensitivity to generate the respective malicious activity assessments with respect to the information technology asset.

6. The method of claim 1 , further comprising:

providing a second graphical interface element that enables the administrative user to disable one or more protection technology sets, each protection technology set including at least two respective protection rules of the plurality of protection rule configurations; and

distributing a disablement indicator indicating the disabled one or more protection technology sets to each of the plurality of protection services to cause the plurality of protection services to not include the disabled one or more protection sets when generating the respective malicious activity assessments with respect to the information technology asset.

7. The method of claim 1 , further comprising:

providing a second graphical interface element that enables the administrative user to disable each protection rule of the plurality of protection rule configurations independently; and

distributing a disablement indicator indicating disabled protection rules to each of the plurality of protection services to cause the plurality of protection services to not include the disabled protection rules when generating the respective malicious activity assessments with respect to the information technology asset.

8. A method of generating a malicious activity assessment, comprising:

storing a plurality of protection rule configurations corresponding to a plurality of respective behavioral models in a storage, each protection rule configuration including a plurality of protection rules having respective rule sensitivities;

receiving a behavioral model indicator associating an information technology asset with a first behavioral model of the plurality of behavioral models, the first behavioral model corresponding to a first protection rule configuration of the plurality of protection rule configurations; and

responsive to receiving the behavioral model indicator, generating the malicious activity assessment with respect to the information technology asset using one or more processors based on the first protection rule configuration.

9. The method of claim 8 , wherein receiving the behavioral model indicator comprises:

receiving the behavioral model indicator associating a computer with the first behavioral model.

10. The method of claim 8 , wherein receiving the behavioral model indicator comprises:

receiving the behavioral model indicator associating a user account with the first behavioral model.

11. The method of claim 8 , wherein receiving the behavioral model indicator includes receiving the behavioral model indicator associating the information technology asset with n behavioral models of the plurality of behavioral models, wherein each of the n behavioral models corresponds to a respective configuration of the plurality of protection rule configurations;

wherein generating the malicious activity assessment includes generating the malicious activity assessment with respect to the information technology asset based on a protection rule configuration corresponding to a combination of the n behavioral models; and

wherein n≧2.

12. The method of claim 8 , further comprising:

receiving a detection sensitivity indicator indicating a detection sensitivity to be associated with the information technology asset, wherein the first protection rule configuration includes a plurality of first protection rules having respective first rule sensitivities; and

adjusting the first rule sensitivities based on the detection sensitivity.

13. The method of claim 8 , further comprising:

receiving a disablement indicator indicating one or more protection technology sets to be disabled with respect to the information technology asset, each protection technology set including at least two respective protection rules of the plurality of protection rule configurations;

wherein generating the malicious activity assessment with respect to the information technology asset does not take into account protection rules that are included in the one or more disabled protection technology sets.

14. The method of claim 8 , further comprising:

receiving a disablement indicator indicating one or more individually disabled protection rules of the plurality of protection rule configurations;

wherein generating the malicious activity assessment with respect to the information technology asset does not take into account the one or more individually disabled protection rules.

15. A system comprising:

storage to store a plurality of protection rule configurations corresponding to a plurality of respective behavioral models, each protection rule configuration including a plurality of protection rules having respective rule sensitivities;

a detection module configured to detect a behavioral model indicator that associates an information technology asset with a first behavioral model of the plurality of behavioral models, the first behavioral model corresponding to a first protection rule configuration of the plurality of protection rule configurations; and

an assessment module, implemented using at least one processor, configured to generate a malicious activity assessment with respect to the information technology asset based on the first protection rule configuration in response to the behavioral model indicator being detected.

16. The system of claim 15 , wherein the information technology asset is a computer.

17. The system of claim 15 , wherein the information technology asset is a user account.

18. The system of claim 15 , wherein the behavioral model indicator further associates the information technology asset with at least one second behavioral model of the plurality of behavioral models, wherein each at least one second behavioral model corresponds to a respective at least one second protection rule configuration of the plurality of protection rule configurations; and

wherein the malicious activity assessment is further based on the at least one second protection rule configuration.

19. The system of claim 15 , wherein the detection module is further configured to detect a detection sensitivity indicator that indicates a detection sensitivity to be associated with the information technology asset, wherein the first protection rule configuration includes a plurality of first protection rules having respective first rule sensitivities; and

an adjustment module configured to adjust the first rule sensitivities based on the detection sensitivity.

20. The system of claim 15 , wherein the detection module is further configured to detect a disablement indicator that indicates one or more protection technology sets to be disabled with respect to the information technology asset, each protection technology set including at least two respective protection rules of the plurality of protection rule configurations;

wherein the malicious activity assessment does not take into account protection rules that are included in the one or more disabled protection technology sets.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 9, 2014
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 034564/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 8, 2014
From: HELMAN, YAIR
To: MICROSOFT CORPORATION
Reel/Frame 033912/0662 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 4, 2009
From: RUBIN, SHAI A.; DINERSTEIN, YOSEF; FRIEDMAN, ARIE; BARASH, URI; HUDIS, EFIM
To: MICROSOFT CORPORATION
Reel/Frame 023046/0325 →
Continuity (1)
Related Publication 20100241974A1 · Sep 23, 2010