1. Home
  2. Mitigations
  3. Update Software

Update Software

Perform regular software updates to mitigate exploitation risk.

ID: M1051
Version: 1.0
Created: 11 June 2019
Last Modified: 07 July 2020
Enterprise Layer
download view

Techniques Addressed by Mitigation

Domain ID Name Use
Enterprise T1546 事件触发执行

Perform regular software updates to mitigate exploitation risk.
.010 AppInit DLLs

Upgrade to Windows 8 or later and enable secure boot.
.011 Application Shimming

Microsoft released an optional patch update - KB3045645 - that will remove the "auto-elevate" flag within the sdbinst.exe. This will prevent use of application shimming to bypass UAC.
Enterprise T1555 从密码存储中获取凭证

Perform regular software updates to mitigate exploitation risk.
.003 Credentials from Web Browsers

Regularly update web browsers, password managers, and all related software to the latest versions. Keeping software up-to-date reduces the risk of vulnerabilities being exploited by attackers to extract stored credentials or session cookies.
.005 Password Managers

Regularly update web browsers, password managers, and all related software to the latest versions. Keeping software up-to-date reduces the risk of vulnerabilities being exploited by attackers to extract stored credentials or session cookies.
Enterprise T1602 从配置存储库获取数据

Keep system images and software updated and migrate to SNMPv3.[1]
.001 SNMP (MIB Dump)

Keep system images and software updated and migrate to SNMPv3.[1]
.002 Network Device Configuration Dump

Keep system images and software updated and migrate to SNMPv3.[1]
Enterprise T1550 .002 使用备用认证材料: Pass the Hash

Apply patch KB2871997 to Windows 7 and higher systems to limit the default access of accounts in the local administrator group.[2]

Enterprise T1195 供应链破坏

A patch management process should be implemented to check unused dependencies, unmaintained and/or previously vulnerable dependencies, unnecessary features, components, files, and documentation.
.001 Compromise Software Dependencies and Development Tools

A patch management process should be implemented to check unused dependencies, unmaintained and/or previously vulnerable dependencies, unnecessary features, components, files, and documentation.
.002 Compromise Software Supply Chain

A patch management process should be implemented to check unused applications, unmaintained and/or previously vulnerable software, unnecessary features, components, files, and documentation.
Enterprise T1212 凭据访问漏洞利用

Update software regularly by employing patch management for internal enterprise endpoints and servers.
Enterprise T1190 利用公开应用程序漏洞

Update software regularly by employing patch management for externally exposed applications.
Enterprise T1137 办公应用启动

For the Outlook methods, blocking macros may be ineffective as the Visual Basic engine used for these features is separate from the macro scripting engine.[3] Microsoft has released patches to try to address each issue. Ensure KB3191938 which blocks Outlook Visual Basic and displays a malicious code warning, KB4011091 which disables custom forms by default, and KB4011162 which removes the legacy Home Page feature, are applied to systems.[4]
.003 Outlook Forms

For the Outlook methods, blocking macros may be ineffective as the Visual Basic engine used for these features is separate from the macro scripting engine.[3] Microsoft has released patches to try to address each issue. Ensure KB3191938 which blocks Outlook Visual Basic and displays a malicious code warning, KB4011091 which disables custom forms by default, and KB4011162 which removes the legacy Home Page feature, are applied to systems.[4]
.004 Outlook Home Page

For the Outlook methods, blocking macros may be ineffective as the Visual Basic engine used for these features is separate from the macro scripting engine.[3] Microsoft has released patches to try to address each issue. Ensure KB3191938 which blocks Outlook Visual Basic and displays a malicious code warning, KB4011091 which disables custom forms by default, and KB4011162 which removes the legacy Home Page feature, are applied to systems.[4]
.005 Outlook Rules

For the Outlook methods, blocking macros may be ineffective as the Visual Basic engine used for these features is separate from the macro scripting engine.[3] Microsoft has released patches to try to address each issue. Ensure KB3191938 which blocks Outlook Visual Basic and displays a malicious code warning, KB4011091 which disables custom forms by default, and KB4011162 which removes the legacy Home Page feature, are applied to systems.[4]
Enterprise T1574 劫持执行流

Update software regularly to include patches that fix DLL side-loading vulnerabilities.
.002 DLL Side-Loading

Update software regularly to include patches that fix DLL side-loading vulnerabilities.
Enterprise T1495 固件篡改

Patch the BIOS and other firmware as necessary to prevent successful use of known vulnerabilities.
Enterprise T1203 客户端执行漏洞利用

Perform regular software updates to mitigate exploitation risk. Keeping software up-to-date with the latest security patches helps prevent adversaries from exploiting known vulnerabilities in client software, reducing the risk of successful attacks.
Enterprise T1110 .001 暴力破解: Password Guessing

Upgrade management services to the latest supported and compatible version. Specifically, any version providing increased password complexity or policy enforcement preventing default or weak passwords.

Enterprise T1552 未加密凭证

Apply patch KB2962486 which prevents credentials from being stored in GPPs.[5][6]
.006 Group Policy Preferences

Apply patch KB2962486 which prevents credentials from being stored in GPPs.[5][6]
Enterprise T1068 权限提升漏洞利用

Update software regularly by employing patch management for internal enterprise endpoints and servers.
Enterprise T1176 浏览器扩展

Ensure operating systems and browsers are using the most current version.

Enterprise T1189 浏览器攻击

Ensure all browsers and plugins kept updated can help prevent the exploit phase of this technique. Use modern browsers with security features turned on.
Enterprise T1548 滥用权限提升控制机制

Perform regular software updates to mitigate exploitation risk.
.002 Bypass User Account Control

Consider updating Windows to the latest version and patch level to utilize the latest protective measures against UAC bypass.[7]
Enterprise T1539 窃取Web会话Cookie

Regularly update web browsers, password managers, and all related software to the latest versions. Keeping software up-to-date reduces the risk of vulnerabilities being exploited by attackers to extract stored credentials or session cookies.
Enterprise T1072 软件部署工具

Patch deployment systems regularly to prevent potential remote access through Exploitation for Privilege Escalation.
Enterprise T1210 远程服务漏洞利用

Update software regularly by employing patch management for internal enterprise endpoints and servers.
Enterprise T1211 防御规避漏洞利用

Update software regularly by employing patch management for internal enterprise endpoints and servers.
Enterprise T1542 预操作系统引导

Patch the BIOS and EFI as necessary.
.001 System Firmware

Patch the BIOS and EFI as necessary.
.002 Component Firmware

Perform regular firmware updates to mitigate risks of exploitation and/or abuse.

References

  1. Omar Santos. (2020, October 19). Attackers Continue to Target Legacy Devices. Retrieved October 20, 2020.
  2. National Security Agency/Central Security Service Information Assurance Directorate. (2015, August 7). Spotting the Adversary with Windows Event Log Monitoring. Retrieved September 6, 2018.
  3. Stalmans, E. (2017, April 28). Outlook Forms and Shells. Retrieved February 4, 2019.
  4. Stalmans, E. (2017, October 11). Outlook Home Page – Another Ruler Vector. Retrieved February 4, 2019.
  1. Sean Metcalf. (2015, December 28). Finding Passwords in SYSVOL & Exploiting Group Policy Preferences. Retrieved February 17, 2020.
  2. Microsoft. (2014, May 13). MS14-025: Vulnerability in Group Policy Preferences could allow elevation of privilege. Retrieved February 17, 2020.
  3. UACME Project. (2016, June 16). UACMe. Retrieved July 26, 2016.