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MITRE ATT&CK - Техника Отключение или перенастройка средств защиты
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Impair Defenses:  Отключение или перенастройка средств защиты

ID Название
.001 Отключение или перенастройка средств защиты
.002 Отключение журналирования событий Windows
.003 Повреждение журнала истории команд
.004 Отключение или перенастройка системного межсетевого экрана
.006 Блокировка сбора признаков активности
.007 Отключение или перенастройка облачного межсетевого экрана
.008 Отключение облачного журналирования
.009 Загрузка в безопасном режиме
.010 Атака через понижение версии

Adversaries may modify and/or disable security tools to avoid possible detection of their malware/tools and activities. This may take many forms, such as killing security software processes or services, modifying / deleting Registry keys or configuration files so that tools do not operate properly, or other methods to interfere with security tools scanning or reporting information. Adversaries may also disable updates to prevent the latest security patches from reaching tools on victim systems.(Citation: SCADAfence_ransomware) Adversaries may also tamper with artifacts deployed and utilized by security tools. Security tools may make dynamic changes to system components in order to maintain visibility into specific events. For example, security products may load their own modules and/or modify those loaded by processes to facilitate data collection. Similar to Indicator Blocking, adversaries may unhook or otherwise modify these features added by tools (especially those that exist in userland or are otherwise potentially accessible to adversaries) to avoid detection.(Citation: OutFlank System Calls)(Citation: MDSec System Calls) In cloud environments, tools disabled by adversaries may include cloud monitoring agents that report back to services such as AWS CloudWatch or Google Cloud Monitor. Furthermore, although defensive tools may have anti-tampering mechanisms, adversaries may abuse tools such as legitimate rootkit removal kits to impair and/or disable these tools.(Citation: chasing_avaddon_ransomware)(Citation: dharma_ransomware)(Citation: demystifying_ryuk)(Citation: doppelpaymer_crowdstrike) For example, adversaries have used tools such as GMER to find and shut down hidden processes and antivirus software on infected systems.(Citation: demystifying_ryuk) Additionally, adversaries may exploit legitimate drivers from anti-virus software to gain access to kernel space (i.e. Exploitation for Privilege Escalation), which may lead to bypassing anti-tampering features.(Citation: avoslocker_ransomware)

ID: T1562.001
Относится к технике:  T1562
Тактика(-и): Defense Evasion
Платформы: Containers, IaaS, Linux, macOS, Windows
Источники данных: Command: Command Execution, Driver: Driver Load, Process: Process Termination, Sensor Health: Host Status, Service: Service Metadata, Windows Registry: Windows Registry Key Deletion, Windows Registry: Windows Registry Key Modification
Версия: 1.3
Дата создания: 21 Feb 2020
Последнее изменение: 24 Oct 2022

Примеры процедур
Название Описание
RunningRAT

RunningRAT kills antimalware running process.(Citation: McAfee Gold Dragon)
SUNBURST

SUNBURST attempted to disable software security services following checks against a FNV-1a + XOR hashed hardcoded blocklist.(Citation: FireEye SUNBURST Additional Details Dec 2020)
Diavol

Diavol can attempt to stop security software.(Citation: Fortinet Diavol July 2021)
H1N1

H1N1 kills and disables services for Windows Security Center, and Windows Defender.(Citation: Cisco H1N1 Part 2)
Turla

Turla has used a AMSI bypass, which patches the in-memory amsi.dll, in PowerShell scripts to bypass Windows antimalware products.(Citation: ESET Turla PowerShell May 2019)
Ryuk

Ryuk has stopped services related to anti-virus.(Citation: FireEye Ryuk and Trickbot January 2019)
Netwalker

Netwalker can detect and terminate active security software-related processes on infected systems.(Citation: TrendMicro Netwalker May 2020)(Citation: Sophos Netwalker May 2020)
SILENTTRINITY

SILENTTRINITY's `amsiPatch.py` module can disable Antimalware Scan Interface (AMSI) functions.(Citation: GitHub SILENTTRINITY Modules July 2019)
REvil

REvil can connect to and disable the Symantec server on the victim's network.(Citation: Cylance Sodinokibi July 2019)
Cobalt Strike

Cobalt Strike has the ability to use Smart Applet attacks to disable the Java SecurityManager sandbox.(Citation: Talos Cobalt Strike September 2020)(Citation: Cobalt Strike Manual 4.3 November 2020)
POWERSTATS

POWERSTATS can disable Microsoft Office Protected View by changing Registry keys.(Citation: FireEye MuddyWater Mar 2018)
LockerGoga

LockerGoga installation has been immediately preceded by a "task kill" command in order to disable anti-virus.(Citation: Wired Lockergoga 2019)
ChChes

ChChes can alter the victim's proxy configuration.(Citation: PWC Cloud Hopper Technical Annex April 2017)
Avaddon

Avaddon looks for and attempts to stop anti-malware solutions.(Citation: Arxiv Avaddon Feb 2021)
Ebury

Ebury can disable SELinux Role-Based Access Control and deactivate PAM modules.(Citation: ESET Ebury Oct 2017)
WhisperGate

WhisperGate can download and execute AdvancedRun.exe to disable the Windows Defender Theat Protection service and set an exclusion path for the C:\ drive.(Citation: Unit 42 WhisperGate January 2022)(Citation: Cisco Ukraine Wipers January 2022)(Citation: Medium S2W WhisperGate January 2022)
MuddyWater

MuddyWater can disable the system's local proxy settings.(Citation: Trend Micro Muddy Water March 2021)
Clop

Clop can uninstall or disable security products.(Citation: Cybereason Clop Dec 2020)
NanHaiShu

NanHaiShu can change Internet Explorer settings to reduce warnings about malware activity.(Citation: Proofpoint Leviathan Oct 2017)
Carberp

Carberp has attempted to disable security software by creating a suspended process for the security software and injecting code to delete antivirus core files when the process is resumed.(Citation: Prevx Carberp March 2011)
WarzoneRAT

WarzoneRAT can disarm Windows Defender during the UAC process to evade detection.(Citation: Check Point Warzone Feb 2020)
JPIN

JPIN can lower security settings by changing Registry keys.(Citation: Microsoft PLATINUM April 2016)
Indrik Spider

Indrik Spider used PsExec to leverage Windows Defender to disable scanning of all downloaded files and to restrict real-time monitoring.(Citation: Symantec WastedLocker June 2020)
Ember Bear

Ember Bear has executed a batch script designed to disable Windows Defender on a compromised host.(Citation: Palo Alto Unit 42 OutSteel SaintBot February 2022 )
MegaCortex

MegaCortex was used to kill endpoint security processes.(Citation: IBM MegaCortex)
Bazar

Bazar has manually loaded ntdll from disk in order to identity and remove API hooks set by security products.(Citation: NCC Group Team9 June 2020)

Pysa

Pysa has the capability to stop antivirus services and disable Windows Defender.(Citation: CERT-FR PYSA April 2020)

StrongPity

StrongPity can add directories used by the malware to the Windows Defender exclusions list to prevent detection.(Citation: Talos Promethium June 2020)
TeamTNT

TeamTNT has disabled and uninstalled security tools such as Alibaba, Tencent, and BMC cloud monitoring agents on cloud-based infrastructure.(Citation: ATT TeamTNT Chimaera September 2020)(Citation: Cisco Talos Intelligence Group)
FIN6

FIN6 has deployed a utility script named kill.bat to disable anti-virus.(Citation: FireEye FIN6 Apr 2019)
HDoor

HDoor kills anti-virus found on the victim.(Citation: Baumgartner Naikon 2015)
TA505

TA505 has used malware to disable Windows Defender.(Citation: Korean FSI TA505 2020)
Gamaredon Group

Gamaredon Group has delivered macros which can tamper with Microsoft Office security settings.(Citation: ESET Gamaredon June 2020)

Hildegard

Hildegard has modified DNS resolvers to evade DNS monitoring tools.(Citation: Unit 42 Hildegard Malware)
Grandoreiro

Grandoreiro can hook APIs, kill processes, break file system paths, and change ACLs to prevent security tools from running.(Citation: ESET Grandoreiro April 2020)
Night Dragon

Night Dragon has disabled anti-virus and anti-spyware tools in some instances on the victim’s machines. The actors have also disabled proxy settings to allow direct communication from victims to the Internet.(Citation: McAfee Night Dragon)
KOCTOPUS

KOCTOPUS will attempt to delete or disable all Registry keys and scheduled tasks related to Microsoft Security Defender and Security Essentials.(Citation: MalwareBytes LazyScripter Feb 2021)
Meteor

Meteor can attempt to uninstall Kaspersky Antivirus or remove the Kaspersky license; it can also add all files and folders related to the attack to the Windows Defender exclusion list.(Citation: Check Point Meteor Aug 2021)
Goopy

Goopy has the ability to disable Microsoft Outlook's security policies to disable macro warnings.(Citation: Cybereason Cobalt Kitty 2017)

ThiefQuest

ThiefQuest uses the function kill_unwanted to obtain a list of running processes and kills each process matching a list of security related processes.(Citation: wardle evilquest parti)
TrickBot

TrickBot can disable Windows Defender.(Citation: Trend Micro Trickbot Nov 2018)
BRONZE BUTLER

BRONZE BUTLER has incorporated code into several tools that attempts to terminate anti-virus processes.(Citation: Trend Micro Tick November 2019)
RobbinHood

RobbinHood will search for Windows services that are associated with antivirus software on the system and kill the process.(Citation: CarbonBlack RobbinHood May 2019)

Gorgon Group

Gorgon Group malware can attempt to disable security features in Microsoft Office and Windows Defender using the taskkill command.(Citation: Unit 42 Gorgon Group Aug 2018)
Putter Panda

Malware used by Putter Panda attempts to terminate processes corresponding to two components of Sophos Anti-Virus (SAVAdminService.exe and SavService.exe).(Citation: CrowdStrike Putter Panda)
Magic Hound

Magic Hound has disabled antivirus services on targeted systems in order to upload malicious payloads.(Citation: DFIR Report APT35 ProxyShell March 2022)
Aquatic Panda

Aquatic Panda has attempted to stop endpoint detection and response (EDR) tools on compromised systems.(Citation: CrowdStrike AQUATIC PANDA December 2021)
Babuk

Babuk can stop anti-virus services on a compromised host.(Citation: Sogeti CERT ESEC Babuk March 2021)
Metamorfo

Metamorfo has a function to kill processes associated with defenses and can prevent certain processes from launching.(Citation: Medium Metamorfo Apr 2020)(Citation: FireEye Metamorfo Apr 2018)

Gold Dragon

Gold Dragon terminates anti-malware processes if they’re found running on the system.(Citation: McAfee Gold Dragon)
EKANS

EKANS stops processes related to security and management software.(Citation: Dragos EKANS)(Citation: FireEye Ransomware Feb 2020)
Lazarus Group

Lazarus Group malware TangoDelta attempts to terminate various processes associated with McAfee. Additionally, Lazarus Group malware SHARPKNOT disables the Microsoft Windows System Event Notification and Alerter services.(Citation: Novetta Blockbuster)(Citation: Novetta Blockbuster Loaders)(Citation: Novetta Blockbuster Tools)(Citation: US-CERT SHARPKNOT June 2018).

Egregor

Egregor has disabled Windows Defender to evade protections.(Citation: Intrinsec Egregor Nov 2020)
APT29

APT29 used the service control manager on a remote system to disable services associated with security monitoring products.(Citation: Microsoft Deep Dive Solorigate January 2021)
SslMM

SslMM identifies and kills anti-malware processes.(Citation: Baumgartner Naikon 2015)
Agent Tesla

Agent Tesla has the capability to kill any running analysis processes and AV software.(Citation: Fortinet Agent Tesla June 2017)
TinyZBot

TinyZBot can disable Avira anti-virus.(Citation: Cylance Cleaver)
DarkComet

DarkComet can disable Security Center functions like anti-virus.(Citation: TrendMicro DarkComet Sept 2014)(Citation: Malwarebytes DarkComet March 2018)
ZxShell

ZxShell can kill AV products' processes.(Citation: Talos ZxShell Oct 2014)

NanoCore

NanoCore can modify the victim's anti-virus.(Citation: DigiTrust NanoCore Jan 2017)(Citation: PaloAlto NanoCore Feb 2016)
Kimsuky

Kimsuky has been observed turning off Windows Security Center and can hide the AV software window from the view of the infected user.(Citation: Securelist Kimsuky Sept 2013)(Citation: Talos Kimsuky Nov 2021)
Conficker

Conficker terminates various services related to system security and Windows.(Citation: SANS Conficker)
Rocke

Rocke used scripts which detected and uninstalled antivirus software.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)
Ragnar Locker

Ragnar Locker has attempted to terminate/stop processes and services associated with endpoint security products.(Citation: Sophos Ragnar May 2020)
UNC2452

UNC2452 used the service control manager on a remote system to disable services associated with security monitoring products.(Citation: Microsoft Deep Dive Solorigate January 2021)
Donut

Donut can patch Antimalware Scan Interface (AMSI), Windows Lockdown Policy (WLDP), as well as exit-related Native API functions to avoid process termination.(Citation: Donut Github)

Wizard Spider

Wizard Spider has shut down or uninstalled security applications on victim systems that might prevent ransomware from executing.(Citation: DHS/CISA Ransomware Targeting Healthcare October 2020)(Citation: FireEye KEGTAP SINGLEMALT October 2020)(Citation: DFIR Ryuk's Return October 2020)
Maze

Maze has disabled dynamic analysis and other security tools including IDA debugger, x32dbg, and OllyDbg.(Citation: McAfee Maze March 2020) It has also disabled Windows Defender's Real-Time Monitoring feature and attempted to disable endpoint protection services.(Citation: Sophos Maze VM September 2020)
macOS.OSAMiner

macOS.OSAMiner has searched for the Activity Monitor process in the System Events process list and kills the process if running. macOS.OSAMiner also searches the operating system's `install.log` for apps matching its hardcoded list, killing all matching process names.(Citation: SentinelLabs reversing run-only applescripts 2021)
Proton

Proton kills security tools like Wireshark that are running.(Citation: objsee mac malware 2017)
Skidmap

Skidmap has the ability to set SELinux to permissive mode.(Citation: Trend Micro Skidmap)
Brave Prince

Brave Prince terminates antimalware processes.(Citation: McAfee Gold Dragon)
QakBot

QakBot has the ability to modify the Registry to add its binaries to the Windows Defender exclusion list.(Citation: Group IB Ransomware September 2020)

During Night Dragon, threat actors disabled anti-virus and anti-spyware tools in some instances on the victim’s machines. The actors also disabled proxy settings to allow direct communication from victims to the Internet.(Citation: McAfee Night Dragon)
Unknown Logger

Unknown Logger has functionality to disable security tools, including Kaspersky, BitDefender, and MalwareBytes.(Citation: Forcepoint Monsoon)
Bundlore

Bundlore can change browser security settings to enable extensions to be installed. Bundlore uses the pkill cfprefsd command to prevent users from inspecting processes.(Citation: MacKeeper Bundlore Apr 2019)(Citation: 20 macOS Common Tools and Techniques)
Imminent Monitor

Imminent Monitor has a feature to disable Windows Task Manager.(Citation: Imminent Unit42 Dec2019)

Контрмеры
Контрмера Описание
Execution Prevention

Block execution of code on a system through application control, and/or script blocking.
Restrict Registry Permissions

Restrict the ability to modify certain hives or keys in the Windows Registry.
User Account Management

Manage the creation, modification, use, and permissions associated to user accounts.
Restrict File and Directory Permissions

Restrict access by setting directory and file permissions that are not specific to users or privileged accounts.

Обнаружение

Monitor processes and command-line arguments to see if security tools/services are killed or stop running. Monitor Registry edits for modifications to services and startup programs that correspond to security tools. Monitoring for changes to other known features used by deployed security tools may also expose malicious activity. Lack of expected log events may be suspicious.

Ссылки

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