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MITRE ATT&CK - Техника Общие SMB-ресурсы или ресурсы администраторов Windows
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Общие SMB-ресурсы или ресурсы...
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Remote Services:  Общие SMB-ресурсы или ресурсы администраторов Windows

ID Название
.001 Протокол удаленного рабочего стола
.002 Общие SMB-ресурсы или ресурсы администраторов Windows
.003 Распределенная COM-модель
.004 SSH
.005 VNC
.006 Служба удаленного управления Windows

Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB). The adversary may then perform actions as the logged-on user. SMB is a file, printer, and serial port sharing protocol for Windows machines on the same network or domain. Adversaries may use SMB to interact with file shares, allowing them to move laterally throughout a network. Linux and macOS implementations of SMB typically use Samba. Windows systems have hidden network shares that are accessible only to administrators and provide the ability for remote file copy and other administrative functions. Example network shares include `C$`, `ADMIN$`, and `IPC$`. Adversaries may use this technique in conjunction with administrator-level Valid Accounts to remotely access a networked system over SMB,(Citation: Wikipedia Server Message Block) to interact with systems using remote procedure calls (RPCs),(Citation: TechNet RPC) transfer files, and run transferred binaries through remote Execution. Example execution techniques that rely on authenticated sessions over SMB/RPC are Scheduled Task/Job, Service Execution, and Windows Management Instrumentation. Adversaries can also use NTLM hashes to access administrator shares on systems with Pass the Hash and certain configuration and patch levels.(Citation: Microsoft Admin Shares)

ID: T1021.002
Относится к технике:  T1021
Тактика(-и): Lateral Movement
Платформы: Windows
Требуемые разрешения: Administrator, User
Источники данных: Command: Command Execution, Logon Session: Logon Session Creation, Network Share: Network Share Access, Network Traffic: Network Connection Creation, Network Traffic: Network Traffic Flow
Версия: 1.0
Дата создания: 11 Feb 2020
Последнее изменение: 23 Mar 2020

Примеры процедур
Название Описание
Conti

Conti can spread via SMB and encrypts files on different hosts, potentially compromising an entire network.(Citation: Cybereason Conti Jan 2021)(Citation: CarbonBlack Conti July 2020)
Moses Staff

Moses Staff has used batch scripts that can enable SMB on a compromised host.(Citation: Checkpoint MosesStaff Nov 2021)
Threat Group-1314

Threat Group-1314 actors mapped network drives using net use.(Citation: Dell TG-1314)
HermeticWizard

HermeticWizard can use a list of hardcoded credentials to to authenticate via NTLMSSP to the SMB shares on remote systems.(Citation: ESET Hermetic Wizard March 2022)
Emotet

Emotet leverages the Admin$ share for lateral movement once the local admin password has been brute forced. (Citation: Malwarebytes Emotet Dec 2017)

zwShell

zwShell has been copied over network shares to move laterally.(Citation: McAfee Night Dragon)
Ryuk

Ryuk has used the C$ network share for lateral movement.(Citation: Bleeping Computer - Ryuk WoL)
PsExec

PsExec, a tool that has been used by adversaries, writes programs to the ADMIN$ network share to execute commands on remote systems.(Citation: PsExec Russinovich)
Wizard Spider

Wizard Spider has used SMB to drop Cobalt Strike Beacon on a domain controller for lateral movement.(Citation: DFIR Ryuk 2 Hour Speed Run November 2020)(Citation: DFIR Ryuk's Return October 2020)
Shamoon

Shamoon accesses network share(s), enables share access to the target device, copies an executable payload to the target system, and uses a Scheduled Task/Job to execute the malware.(Citation: FireEye Shamoon Nov 2016)
APT41

APT41 has transferred implant files using Windows Admin Shares.(Citation: Crowdstrike GTR2020 Mar 2020)
Operation Wocao

Operation Wocao has used Impacket's smbexec.py as well as accessing the C$ and IPC$ shares to move laterally.(Citation: FoxIT Wocao December 2019)
Ke3chang

Ke3chang actors have been known to copy files to the network shares of other computers to move laterally.(Citation: Mandiant Operation Ke3chang November 2014)(Citation: NCC Group APT15 Alive and Strong)
NotPetya

NotPetya can use PsExec, which interacts with the ADMIN$ network share to execute commands on remote systems.(Citation: Talos Nyetya June 2017)(Citation: US-CERT NotPetya 2017)(Citation: PsExec Russinovich)
Turla

Turla used net use commands to connect to lateral systems within a network.(Citation: Kaspersky Turla)
Diavol

Diavol can spread throughout a network via SMB prior to encryption.(Citation: Fortinet Diavol July 2021)
BlackEnergy

BlackEnergy has run a plug-in on a victim to spread through the local network by using PsExec and accessing admin shares.(Citation: Securelist BlackEnergy Nov 2014)
Chimera

Chimera has used Windows admin shares to move laterally.(Citation: Cycraft Chimera April 2020)(Citation: NCC Group Chimera January 2021)
Fox Kitten

Fox Kitten has used valid accounts to access SMB shares.(Citation: CISA AA20-259A Iran-Based Actor September 2020)
Zox

Zox has the ability to use SMB for communication.(Citation: Novetta-Axiom)
Conficker

Conficker variants spread through NetBIOS share propagation.(Citation: SANS Conficker)
Sandworm Team

Sandworm Team has run net use to connect to network shares.(Citation: Dragos Crashoverride 2018)

During Operation Wocao, threat actors used Impacket's smbexec.py as well as accessing the C$ and IPC$ shares to move laterally.(Citation: FoxIT Wocao December 2019)
Duqu

Adversaries can instruct Duqu to spread laterally by copying itself to shares it has enumerated and for which it has obtained legitimate credentials (via keylogging or other means). The remote host is then infected by using the compromised credentials to schedule a task on remote machines that executes the malware.(Citation: Symantec W32.Duqu)
Kwampirs

Kwampirs copies itself over network shares to move laterally on a victim network.(Citation: Symantec Orangeworm April 2018)
APT3

APT3 will copy files over to Windows Admin Shares (like ADMIN$) as part of lateral movement.(Citation: Symantec Buckeye)
Net

Lateral movement can be done with Net through net use commands to connect to the on remote systems.(Citation: Savill 1999)
FIN8

FIN8 has attempted to map to C$ on enumerated hosts to test the scope of their current credentials/context.(Citation: FireEye Know Your Enemy FIN8 Aug 2016)
Regin

The Regin malware platform can use Windows admin shares to move laterally.(Citation: Kaspersky Regin)
Blue Mockingbird

Blue Mockingbird has used Windows Explorer to manually copy malicious files to remote hosts over SMB.(Citation: RedCanary Mockingbird May 2020)
APT32

APT32 used Net to use Windows' hidden network shares to copy their tools to remote machines for execution.(Citation: Cybereason Cobalt Kitty 2017)
APT29

APT29 has used administrative accounts to connect over SMB to targeted users.(Citation: CrowdStrike StellarParticle January 2022)
Stuxnet

Stuxnet propagates to available network shares.(Citation: Symantec W.32 Stuxnet Dossier)
Cobalt Strike

Cobalt Strike can use Window admin shares (C$ and ADMIN$) for lateral movement.(Citation: Cobalt Strike TTPs Dec 2017)
Cobalt Strike

Cobalt Strike can use Window admin shares (C$ and ADMIN$) for lateral movement.(Citation: Cobalt Strike TTPs Dec 2017)
Olympic Destroyer

Olympic Destroyer uses PsExec to interact with the ADMIN$ network share to execute commands on remote systems.(Citation: Talos Olympic Destroyer 2018)(Citation: PsExec Russinovich)
Orangeworm

Orangeworm has copied its backdoor across open network shares, including ADMIN$, C$WINDOWS, D$WINDOWS, and E$WINDOWS.(Citation: Symantec Orangeworm April 2018)
Lazarus Group

Lazarus Group malware SierraAlfa accesses the ADMIN$ share via SMB to conduct lateral movement.(Citation: Novetta Blockbuster)(Citation: Novetta Blockbuster RATs)
Net Crawler

Net Crawler uses Windows admin shares to establish authenticated sessions to remote systems over SMB as part of lateral movement.(Citation: Cylance Cleaver)
Lucifer

Lucifer can infect victims by brute forcing SMB.(Citation: Unit 42 Lucifer June 2020)
Deep Panda

Deep Panda uses net.exe to connect to network shares using net use commands with compromised credentials.(Citation: Alperovitch 2014)
Anchor

Anchor can support windows execution via SMB shares.(Citation: Medium Anchor DNS July 2020)
APT39

APT39 has used SMB for lateral movement.(Citation: Symantec Chafer February 2018)
APT28

APT28 has mapped network drives using Net and administrator credentials.(Citation: Cybersecurity Advisory GRU Brute Force Campaign July 2021)

Контрмеры
Контрмера Описание
Privileged Account Management

Manage the creation, modification, use, and permissions associated to privileged accounts, including SYSTEM and root.
Limit Access to Resource Over Network

Prevent access to file shares, remote access to systems, unnecessary services. Mechanisms to limit access may include use of network concentrators, RDP gateways, etc.
Filter Network Traffic

Use network appliances to filter ingress or egress traffic and perform protocol-based filtering. Configure software on endpoints to filter network traffic.
Password Policies

Set and enforce secure password policies for accounts.

Обнаружение

Ensure that proper logging of accounts used to log into systems is turned on and centrally collected. Windows logging is able to collect success/failure for accounts that may be used to move laterally and can be collected using tools such as Windows Event Forwarding. (Citation: Lateral Movement Payne)(Citation: Windows Event Forwarding Payne) Monitor remote login events and associated SMB activity for file transfers and remote process execution. Monitor the actions of remote users who connect to administrative shares. Monitor for use of tools and commands to connect to remote shares, such as Net, on the command-line interface and Discovery techniques that could be used to find remotely accessible systems.(Citation: Medium Detecting WMI Persistence)

Ссылки

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