Куда я попал?

SECURITM это SGRC система, автоматизирующая процессы в службах информационной безопасности. SECURITM помогает построить и управлять ИСПДн, КИИ, ГИС, СМИБ/СУИБ, банковскими системами защиты.
А еще SECURITM это место для обмена опытом и наработками для служб безопасности.

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Impair Defenses

Sub-techniques (9)

ID	Name
.001	Disable or Modify Tools
.002	Disable Windows Event Logging
.003	Impair Command History Logging
.004	Disable or Modify System Firewall
.006	Indicator Blocking
.007	Disable or Modify Cloud Firewall
.008	Disable Cloud Logs
.009	Safe Mode Boot
.010	Downgrade Attack

Adversaries may maliciously modify components of a victim environment in order to hinder or disable defensive mechanisms. This not only involves impairing preventative defenses, such as firewalls and anti-virus, but also detection capabilities that defenders can use to audit activity and identify malicious behavior. This may also span both native defenses as well as supplemental capabilities installed by users and administrators. Adversaries could also target event aggregation and analysis mechanisms, or otherwise disrupt these procedures by altering other system components.

ID: T1562

Sub-techniques: .001 .002 .003 .004 .006 .007 .008 .009 .010

Tactic(s): Defense Evasion

Platforms: Containers, IaaS, Linux, macOS, Network, Office 365, Windows

Data Sources: Cloud Service: Cloud Service Disable, Cloud Service: Cloud Service Modification, Command: Command Execution, Driver: Driver Load, Firewall: Firewall Disable, Firewall: Firewall Rule Modification, Process: Process Creation, Process: Process Termination, Script: Script Execution, Sensor Health: Host Status, Service: Service Metadata, Windows Registry: Windows Registry Key Deletion, Windows Registry: Windows Registry Key Modification

Version: 1.3

Created: 21 Feb 2020

Last Modified: 19 Oct 2022

Name	Description
Procedure Examples
Stuxnet	Stuxnet reduces the integrity level of objects to allow write actions.(Citation: Symantec W.32 Stuxnet Dossier)
Magic Hound	Magic Hound has disabled LSA protection on compromised hosts using `"reg" add HKLM\SYSTEM\CurrentControlSet\Control\LSA /v RunAsPPL /t REG_DWORD /d 0 /f`.(Citation: DFIR Report APT35 ProxyShell March 2022)

Mitigation	Description
Mitigations
User Account Management	Manage the creation, modification, use, and permissions associated to user accounts.
Execution Prevention	Block execution of code on a system through application control, and/or script blocking.
Restrict File and Directory Permissions	Restrict access by setting directory and file permissions that are not specific to users or privileged accounts.
Restrict Registry Permissions	Restrict the ability to modify certain hives or keys in the Windows Registry.

Detection

Monitor processes and command-line arguments to see if security tools or logging services are killed or stop running. Monitor Registry edits for modifications to services and startup programs that correspond to security tools. Lack of log events may be suspicious. Monitor environment variables and APIs that can be leveraged to disable security measures.

References

Связанные риски

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Каталоги

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