ESET researchers offered technical evaluation, statistical data, and identified command and management server domains and IP addresses

ESET has collaborated with companions Microsoft’s Digital Crimes Unit, Lumen’s Black Lotus Labs, Palo Alto Networks Unit 42, and others in an try to disrupt identified Zloader botnets. ESET contributed to the challenge by offering technical evaluation, statistical data, and identified command and management server domains and IP addresses.

Zloader began life as a banking trojan, however recently developed to turn into a distributor of a number of malware households, together with numerous ransomware households.

The coordinated disruption operation focused three particular botnets, each utilizing a distinct model of the Zloader malware. ESET researchers helped with identification of 65 domains that had been utilized by these botnet operators just lately and that had been taken over for this disruption operation to be efficient. On high of that, Zloader bots depend on a backup communication channel that mechanically generates distinctive domains that can be utilized to obtain instructions from their botmasters. This system, referred to as a site technology algorithm (DGA), is used to generate 32 totally different domains per day, per botnet. To make it possible for the botnet operators can not use this facet channel to regain management of their botnets, an extra 319 already registered domains generated by this algorithm have been taken over and the working group can also be taking measures to dam registration of DGA domains probably generated sooner or later. Microsoft’s investigation additionally recognized Denis Malikov as a co-author of a malicious element utilized by the operators of one of many botnets.


Zloader is without doubt one of the many banking trojan malware households closely impressed by the well-known Zeus banking trojan, whose supply code was leaked in 2011. Many analysis papers have been printed about this malware already, with the most recent one from Malwarebytes and HYAS being probably the most detailed from the technical viewpoint.

This blogpost received’t concentrate on deep technical features of the trojan, however fairly will cowl the main points of its operation and infrastructure.

The primary model ( of Zloader that we have been capable of finding was compiled on November 9th 2019, the identical day it was introduced and marketed in underground boards underneath the identify “Silent Evening”. ESET researchers have been intently monitoring its exercise and evolution ever since then, giving us nice perception into Zloader’s mode of operation and its infrastructure.

All through Zloader’s existence, we have now analyzed about 14,000 distinctive samples by way of our automated monitoring system, which helped us to find greater than 1,300 distinctive C&C servers. In March 2020, Zloader applied a site technology algorithm (DGA) that allowed us to find about 300 further lively domains registered by Zloader operators and used as C&C servers.

We now have seen a few peaks in Zloader’s recognition amongst menace actors, primarily throughout its first 12 months of existence, however its use started declining throughout 2021 with solely a few actors left utilizing it for his or her malicious intents. This may increasingly, nevertheless, change sooner or later as we have now already seen model 2.0 samples within the wild (compiled in July 2021). Our findings present that these have been simply take a look at builds, however we might be intently monitoring this new exercise and its evolution. As a result of low prevalence and the character of this new model, all the next data applies to Zloader model 1.x.

As already talked about, Zloader, just like different commodity malware, is being marketed and bought on underground boards. When bought, associates are given all they should arrange their very own servers with administration panels and to begin constructing their bots. Associates are then chargeable for bot distribution and sustaining their botnets.

As you possibly can see in Determine 1, we have now noticed Zloader infestations and campaigns in lots of nations with North America being probably the most focused.

Determine 1. Worldwide Zloader marketing campaign detection fee (primarily based on knowledge since February 2020)

Zloader has been utilized by numerous affiliate teams and every of them has used a distinct strategy for the malware’s distribution, together with:

  • RIG exploit package
  • COVID-19-themed spam emails with malicious Microsoft Phrase paperwork connected
  • Variants of a faux bill spam emails with malicious XLS macros
  • Misuse of Google Advertisements

The event of the most recent distribution strategies might be lined within the subsequent sections.

Zloader internals

Zloader has a modular structure, downloading and using its modules as wanted. Supported Zloader modules are displayed in Desk 1 and Desk 2.

Desk 1. Overview of malicious modules utilized by Zloader

Malicious modules Performance
Loader module Loading the core module
Core module (x86) Fundamental performance for x86 processes
Core module (x64) Fundamental performance for x64 processes
hvnc32 module Hidden VNC (x86) for distant PC management
hvnc64 module Hidden VNC (x64) for distant PC management

Desk 2. Respectable instruments abused by Zloader to help its malicious duties

Helper modules Performance
zlib1.dll Used to help AitB (Adversary within the Browser) assaults
libssl.dll Used to help AitB assaults
certutil.exe (+mandatory DLL information) Used to help AitB assaults
sqlite3.dll Used for processing browser knowledge

Zloader’s first element is a loader that’s used to obtain or load (if already downloaded) the core module. This core module is then chargeable for downloading and loading further modules and performing its personal malicious duties.

Zloader’s notable options are:

  • Means to steal numerous knowledge from browsers and Microsoft Outlook, steal cryptocurrency wallets
  • Keystroke logging
  • HiddenVNC help to permit the operator to remotely management compromised methods
  • Assist for Zeus-like webinjects, type grabbing, and type screenshotting
  • Arbitrary command execution (e.g., obtain and execute different malware)

All communication between bots and their C&C servers is carried out over HTTP/HTTPS, and no matter which is used the information is encrypted utilizing RC4. A number of the knowledge is moreover encrypted utilizing an XOR-based algorithm referred to as “Visible Encrypt”. The RC4 key’s distinctive for every affiliate as described within the subsequent part. Determine 2 reveals a bot’s static configuration. It accommodates a listing of as much as ten hardcoded C&C URLs together with different vital knowledge for communication – such because the botnetID to assist the operator simply filter knowledge from totally different campaigns, the signature for communications verification, and many others. A bot’s C&C checklist will be simply up to date by issuing a command from the operator’s administration panel if wanted.

Determine 2. Zloader’s static configuration

If not one of the hardcoded servers responds, a Zloader bot can use its DGA as a fallback mechanism. Day-after-day, a listing of 32 new domains distinctive for each affiliate is generated primarily based on the present day retrieved by GetLocalTime perform. Generated URLs have the format https://<20_random_lowercase_ASCII_letters>.com/publish.php

Botnet infrastructure and associates

The RC4 encryption key utilized in botnet communication is exclusive for each affiliate and tied to the affiliate’s administration panel set up. This uniqueness offers us the chance to cluster Zloader samples and monitor associates’ distribution strategies and the evolution of their campaigns.

For the reason that starting of our monitoring, we have now noticed greater than 25 totally different RC4 keys. It’s value noting that a few of these associates have been lively for a really quick interval — a few of them have been most likely simply testing Zloader’s options. It is usually doable that some operators simply redeployed their administration panel set up in some unspecified time in the future and continued their operation with a brand new RC4 key. A timeline of notable affiliate exercise, in addition to numerous Zloader model launch dates, will be seen in Determine 3.

Determine 3. Exercise of among the notable associates

As will be seen in Determine 5, from October 2020, most Zloader exercise was as a result of solely two associates. We will distinguish them by their RC4 keys – 03d5ae30a0bd934a23b6a7f0756aa504 and [email protected]#hsf23

We cowl these two associates’ actions within the subsequent two sections.

[email protected]#hsf23

This affiliate was lively underneath this specific RC4 key beginning in June 2020. The primary Zloader model it used was after which intently adopted the latest model accessible up till the most recent accessible Zloader model to this date – Nonetheless, its exercise began to say no within the second half of 2021 and we haven’t seen any new exercise of this botnet since late November 2021.

Some of the attention-grabbing actions of this affiliate is that it used Zloader’s capability to deploy arbitrary payloads to distribute malicious payloads to its bots. Most notably, it unfold numerous ransomware households corresponding to DarkSide, as highlighted by this analysis from Guidepoint Security. Nonetheless, the botmaster didn’t deploy ransomware to all of their bots; they deployed this kind of malware totally on methods belonging to company networks. When put in on a system, Zloader gathers numerous details about the community its compromised host belongs to. This enables botnet operators to choose particular payloads relying on the sufferer’s community.

This affiliate was spreading their malicious Zloader samples principally via spam emails with malicious paperwork connected to them. The Zloader static configuration accommodates a botnetID, permitting the botmaster to cluster totally different bots in several sub-botnets. Essentially the most prevalent botnetIDs for this affiliate within the final 12 months of its operation have been nut and kev.

This operator was additionally a bit extra safety conscious in comparison with different Zloader prospects and used a tiered structure for his or her C&C servers. Sometimes, a easy proxy script was planted on an typically legit however compromised web site and it was used for tier1 C&C URLs of their bots. This script merely forwards all HTTP/HTTPS site visitors from the bot onto the tier2 server, holding the situation of the actual administration panel set up secret.

Moreover utilizing Zloader as an entry level for ransomware assaults, this affiliate additionally used Zloader’s AitB capabilities to steal sufferer data and alter the content material of assorted monetary establishments and e-commerce web sites primarily based within the USA and Canada.


This affiliate has been utilizing Zloader since its early variations and remains to be lively as of at the moment. Regardless of the most recent accessible model of Zloader being, this affiliate has caught with model since its launch in October 2020. We will solely speculate as to the explanations behind this. One speculation is that this affiliate didn’t pay to increase their help protection for Zloader and thus doesn’t have entry to later variations.

The operator of this botnet used to rely solely on C&C domains generated by Zloader’s DGA and didn’t replace their bots with a brand new C&C checklist for greater than a 12 months, that means that every one hardcoded C&C servers of their bots have been inactive for a very long time. This modified in November 2021 when this affiliate up to date their bots with a listing of latest C&C servers and in addition up to date the static configuration of newly distributed binaries to mirror this variation. This effort was most likely motivated by the worry of shedding entry to their botnet ought to anybody register and sinkhole all future DGA-generated domains for this actor.

Determine 4 reveals the administration panel login web page that was put in straight on the C&C server, hardcoded within the bot’s static configuration.

Determine 4. Administration panel login web page

Some notable botnetIDs utilized by this operator have been: private, googleaktualizacija and extra just lately return, 909222, 9092ti and 9092us.

By way of evaluation of the webinjects downloaded by the bots on this affiliate botnet, the operator’s pursuits are very broad. They’re apparently interested by gathering victims’ login credentials and different private knowledge from numerous monetary establishment web sites (banks, inventory buying and selling platforms, and many others.), e-commerce websites (corresponding to Amazon, Finest Purchase, Walmart), cryptocurrency exchanges, and even numerous on-line platforms corresponding to Google and Microsoft. Specific focus was placed on prospects of monetary establishments from the USA, Canada, Japan, Australia, and Germany.

Along with the login credential harvesting, this affiliate additionally used Zloader to distribute numerous malware households such because the infostealer Raccoon.


This menace actor makes use of numerous means to unfold Zloader with misusing Google Advertisements and bogus grownup websites being their newest distribution strategies of alternative.

Beginning in October 2020, faux grownup websites began to push to their guests malicious payloads posing as a Java replace in an MSI bundle (with filename JavaPlug-in.msi), supposedly required to look at the requested video. This faux Java replace bundle sometimes contained a downloader that downloaded Zloader itself as the ultimate payload. Since April 2021, this scheme has been enhanced by including a script to disable Microsoft Defender to additional enhance the possibilities of efficiently compromising the system.

In June 2021, this affiliate additionally began to advertise packages sometimes utilized in company environments. When web customers looked for a preferred software to obtain, corresponding to Zoom or TeamViewer, they could have been offered with a faux obtain website promoted by way of a Google Advert that attempted to trick them into downloading a malicious bundle posing because the app they have been trying to find. This distribution methodology not solely put in Zloader however may additionally set up different doubtlessly malicious instruments, notably if the compromised system was a part of an Lively Listing area. Atera Agent and the infamous Cobalt Strike Beacon have been seen to be put in in such instances. These instruments may grant the attacker full management of the compromised system and end in stealing of delicate firm knowledge, set up of different malware corresponding to ransomware and different malicious exercise incurring vital losses for the corporate.

Determine 5 reveals the logic to verify whether or not a system belongs to a site. As seen beneath, Cobalt Strike Beacon is put in if the checklist of the system’s trusted domains is non-empty.

Determine 5. PowerShell script chargeable for Cobalt Strike Beacon set up

The most recent iteration of this distribution methodology relied closely on the aforementioned Atera Agent, which was normally downloaded from bogus grownup websites. An instance of what a customer would see is proven in Determine 6.

Determine 6. Pretend grownup website luring customers into downloading Atera distant administration device

Atera Agent is a legit “distant monitoring and administration” answer utilized by IT firms to manage their prospects’ methods. Certainly one of its options – distant script execution – was used on this marketing campaign to ship Zloader payloads and different malicious helper information. The aim of those helper information was to help the set up course of by executing particular duties corresponding to privilege escalation, execution of additional samples, disabling of Home windows Defender, and many others.

These duties have been normally achieved by way of easy BAT information, however it’s value mentioning that attackers additionally exploited a identified digital signature verification vulnerability to make use of legit, signed Home windows executable information with malicious VBScripts appended to the tip of these information, the place the signature part is positioned (see Determine 7). For the PE file to stay legitimate, attackers additionally want to change the PE header to change the signature part size and checksum. This alteration of the file’s content material doesn’t revoke the validity of its digital signature throughout the verification course of as a result of the modified content material is exempted from the verification course of. Thus, the file’s new malicious content material might due to this fact keep off the radar. This vulnerability is described, for instance, in CVE-2012-0151 or CVE-2013-3900, and in addition on this blogpost by Check Point Research. Its repair is sadly disabled by default in Home windows, and due to this fact, it nonetheless will be misused by attackers in a lot of methods.

Determine 7. Instance of a script appended to the PE file signature part

Within the latest marketing campaign, a Ursnif trojan was typically put in as a substitute of Zloader, exhibiting that this affiliate group doesn’t depend on a single malware household however has extra methods up its sleeve. A typical situation of this distribution methodology is displayed in Determine 8.

Determine 8. Typical distribution methodology utilizing Atera Agent

Closing remarks

We  relentlessly proceed to trace threats which are used to unfold ransomware, which is an ongoing menace to web safety. As Zloader is obtainable in underground boards, ESET Researchers will monitor any new exercise tied to this malware household, following this disruption operation in opposition to its present botnets.

For any inquiries about our analysis printed on WeLiveSecurity, please contact us at [email protected]

ESET Analysis now additionally presents non-public APT intelligence stories and knowledge feeds. For any inquiries about this service, go to the ESET Threat Intelligence web page.



SHA-1 Filename ESET detection identify Description
4858BC02452A266EA3E1A0DD84A31FA050134FB8 9092.dll Win32/Kryptik.HNLQ trojan Zloader return botnet as downloaded from https://teamworks455[.]com/_country/verify.php
BEAB91A74563DF8049A894D5A2542DD8843553C2 9092.dll
Win32/Kryptik.HODI trojan Zloader 9092us botnet as downloaded from https://endoftheendi[.]com/us.dll
462E242EF2E6BAD389DAB845C68DD41493F91C89 N/A Win32/Spy.Zbot.ADI trojan Unpacked preliminary loader element of 9092us botnet.
30D8BA32DAF9E18E9E3CE564FC117A2FAF738405 N/A Win32/Spy.Zbot.ADI trojan Downloaded Zloader most important core element (x86).
BD989516F902C0B4AFF7BCF32DB511452355D7C5 N/A Win64/Spy.Zbot.Q trojan Downloaded Zloader most important core element (x64).
E7D7BE1F1FE04F6708EFB8F0F258471D856F8F8F N/A Win32/Hvnc.AO trojan Downloaded Zloader HVNC element (x86).
5AA2F377C73A0E73E7E81A606CA35BC07331EF51 N/A Win64/Hvnc.AK trojan Downloaded Zloader HVNC element (x64).
23D38E876772A4E28F1B8B6AAF03E18C7CFE5757 auto.bat BAT/Agent.PHM trojan Script utilized by Atera Agent distribution methodology.
9D3E6B2F91547D891F0716004358A8952479C14D new.bat BAT/Agent.PHL trojan Script utilized by Atera Agent distribution methodology.
33FD41E6FD2CCF3DFB0FCB90EB7F27E5EAB2A0B3 new1.bat BAT/Shutdown.NKA trojan Script utilized by Atera Agent distribution methodology.
5A4E5EE60CB674B2BFCD583EE3641D7825D78221 new2.bat BAT/Shutdown.NKA trojan Script utilized by Atera Agent distribution methodology.
3A80A49EFAAC5D839400E4FB8F803243FB39A513 adminpriv.exe Win64/NSudo.A doubtlessly unsafe software NSudo device used for privilege escalation by distribution scripts.
F3B3CF03801527C24F9059F475A9D87E5392DAE9 reboot.dll Win32/Agent.ADUM trojan Signed file exploiting CVE-2013-3900 to cover malicious script instructions.
A187D9C0B4BDB4D0B5C1D2BDBCB65090DCEE5D8C TeamViewer.msi Win64/TrojanDownloader.Agent.KY trojan Malicious MSI installer containing downloader used to ship Zloader.
F4879EB2C159C4E73139D1AC5D5C8862AF8F1719 tvlauncher.exe Win64/TrojanDownloader.Agent.KY trojan Downloader used to ship Zloader.
E4274681989347FABB22050A5AD14FE66FFDC000 12.exe Win32/Kryptik.HOGN trojan Raccoon infostealer downloaded by Zloader.
FA1DB6808D4B4D58DE6F7798A807DD4BEA5B9BF7 racoon.exe Win32/Kryptik.HODI trojan Raccoon infostealer downloaded by Zloader.


Domains and URLs utilized in distribution

  • https://endoftheendi[.]com
  • https://sofftsportal[.]su
  • https://pornokeyxxx[.]pw
  • https://porno3xgirls[.]web site
  • https://porno3xgirls[.]house
  • https://porno3xgirls[.]enjoyable
  • https://porxnoxxx[.]website
  • https://porxnoxxx[.]pw
  • https://pornoxxxguru[.]house
  • https://helpdesksupport072089339.servicedesk.atera[.]com/GetAgent/Msi/?customerId=1&[email protected]
  • https://helpdesksupport350061558.servicedesk.atera[.]com/GetAgent/Msi/?customerId=1&[email protected]
  • https://clouds222[.]com
  • https://teamworks455[.]com
  • https://commandaadmin[.]com
  • https://cmdadminu[.]com
  • https://checksoftupdate[.]com
  • https://datalystoy[.]com
  • https://updatemsicheck[.]com

Newest Zloader C&C servers

  • https://asdfghdsajkl[.]com/gate.php
  • https://lkjhgfgsdshja[.]com/gate.php
  • https://kjdhsasghjds[.]com/gate.php
  • https://kdjwhqejqwij[.]com/gate.php
  • https://iasudjghnasd[.]com/gate.php
  • https://daksjuggdhwa[.]com/gate.php
  • https://dkisuaggdjhna[.]com/gate.php
  • https://eiqwuggejqw[.]com/gate.php
  • https://dquggwjhdmq[.]com/gate.php
  • https://djshggadasj[.]com/gate.php

URLs used to obtain arbitrary malware

  • https://braves[.]enjoyable/racoon.exe
  • https://endoftheendi[.]com/12.exe

Domains utilized in latest Zloader’s Webinjects assaults

  • https://dotxvcnjlvdajkwerwoh[.]com
  • https://aerulonoured[.]su
  • https://rec.kindplanet[.]us

MITRE ATT&CK strategies

This desk was constructed utilizing version 10 of the MITRE ATT&CK framework.

Tactic ID Identify Description
Useful resource Improvement T1583.001 Purchase Infrastructure: Domains A number of domains have been acquired to help C&C.
T1583.004 Purchase Infrastructure: Server A number of servers have been used to host Zloader infrastructure.
T1584.004 Compromise Infrastructure: Server Some legit web sites have been compromised to host components of Zloader infrastructure.
T1587.001 Develop Capabilities: Malware Zloader is malware focusing on customers of the Home windows working system.
T1587.002 Develop Capabilities: Code Signing Certificates A number of the distribution strategies use signed malicious binaries.
T1587.003 Develop Capabilities: Digital Certificates Digital certificates are utilized in HTTPS site visitors.
T1588.001 Get hold of Capabilities: Malware Numerous malware samples are used to distribute Zloader or are distributed by Zloader itself.
T1588.002 Get hold of Capabilities: Instrument Numerous legit instruments and libraries are used to help Zloader duties.
T1588.006 Get hold of Capabilities: Vulnerabilities CVE-2013-3900 is exploited in one of many distribution strategies.
Preliminary Entry T1189 Drive-by Compromise Google Advertisements and faux web sites are used to lure victims into downloading malicious installers.
Execution T1059.001 Command and Scripting Interpreter: PowerShell PowerShell instructions are used to help some distribution strategies.
T1059.003 Command and Scripting Interpreter: Home windows Command Shell Batch information are used to help some distribution strategies.
T1059.005 Command and Scripting Interpreter: Visible Primary VBScript is used to launch most important Zloader payload.
T1106 Native API Zloader makes heavy use of dynamic Home windows API decision.
T1204.001 Consumer Execution: Malicious Hyperlink Zloader is usually distributed via malicious hyperlinks.
T1204.002 Consumer Execution: Malicious File Zloader is usually distributed by way of malicious MSI installers.
T1047 Home windows Administration Instrumentation Zloader makes use of WMI to collect numerous system data.
Persistence T1547.001 Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder Zloader makes use of registry run key to ascertain persistence.
Privilege Escalation T1548.002 Abuse Elevation Management Mechanism: Bypass Consumer Account Management A number of strategies are used to bypass UAC mechanisms.
Protection Evasion T1055.001 Course of Injection: Dynamic-link Library Injection Zloader injects its modules into a number of processes.
T1140 Deobfuscate/Decode Information or Data Zloader shops its modules in an encrypted type to cover their presence.
T1562.001 Impair Defenses: Disable or Modify Instruments Some distribution strategies disable Home windows Defender previous to the set up of Zloader.
T1070.004 Indicator Removing on Host: File Deletion Some elements of Zloader or its distribution methodology are eliminated after profitable set up.
T1036.001 Masquerading: Invalid Code Signature Some installers have been signed utilizing invalid certificates to make them appear extra legit.
T1036.005 Masquerading: Match Respectable Identify or Location Some installers mimic names of legit purposes.
T1027.002 Obfuscated Information or Data: Software program Packing Zloader’s code is obfuscated and its payload is normally packed.
T1553.004 Subvert Belief Controls: Set up Root Certificates Browser certificates are put in to help AitB assault.
Credential Entry T1557 Adversary-in-the-Center Zloader leverages AitB strategies to intercept chosen HTTP/HTTPS site visitors.
T1555.003 Credentials from Password Shops: Credentials from Internet Browsers Zloader can collect saved credentials from browsers.
T1056.001 Enter Seize: Keylogging Zloader can seize keystrokes and ship them to its C&C server.
T1539 Steal Internet Session Cookie Zloader can collect cookies saved by browsers.
Discovery T1482 Area Belief Discovery Zloader gathers details about area belief relationships.
T1083 File and Listing Discovery Zloader can seek for numerous paperwork and cryptocurrency wallets.
T1057 Course of Discovery Zloader enumerates operating processes.
T1012 Question Registry Zloader queries registry keys to collect numerous system data.
T1518.001 Software program Discovery: Safety Software program Discovery A WMI command is used to find put in safety software program.
T1082 System Data Discovery Zloader gathers numerous system data and sends it to its C&C.
T1016 System Community Configuration Discovery Community interface data is gathered and despatched to the C&C.
T1033 System Proprietor/Consumer Discovery Username is used to generate a botID to determine a system in a botnet.
T1124 System Time Discovery Details about the system’s time zone is shipped to the C&C.
Assortment T1560.003 Archive Collected Knowledge: Archive by way of Customized Methodology Zloader makes use of RC4 and XOR to encrypt knowledge earlier than sending them to the C&C.
T1005 Knowledge from Native System Zloader can gather paperwork and cryptocurrency wallets.
T1074.001 Knowledge Staged: Native Knowledge Staging Zloader saves its collected knowledge to file previous to exfiltration.
T1113 Display Seize Zloader has the power to create screenshots of home windows of curiosity.
Command and Management T1071.001 Utility Layer Protocol: Internet Protocols Zloader makes use of HTTP/HTTPS for C&C communication.
T1568.002 Dynamic Decision: Area Era Algorithms A DGA is used as a fallback in samples since 2020-03.
T1573.001 Encrypted Channel: Symmetric Cryptography RC4 is used for C&C site visitors encryption. A number of the knowledge is moreover XOR encrypted.
T1008 Fallback Channels A number of C&C servers are normally current in Zloader configurations to keep away from counting on only one. A DGA can also be applied.
T1219 Distant Entry Software program HiddenVNC module is used to help distant entry.
Exfiltration T1041 Exfiltration Over C2 Channel Zloader exfiltrates gathered knowledge over its C&C communication.
Affect T1490 Inhibit System Restoration A number of the distribution strategies disable Home windows restoration perform via bcdedit.exe.
T1489 Service Cease A number of the distribution strategies disable the Home windows Defender service.
T1529 System Shutdown/Reboot A number of the distribution strategies shut down the system after the preliminary compromise.

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