Winter Vivern

Once established within a system or network, an adversary may use automated techniques for collecting internal data. Methods for performing this techn

Adversaries may exfiltrate data, such as sensitive documents, through the use of automated processing after being gathered during Collection.(Citation

Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries. These interfaces and languages provide ways of intera

Adversaries may use [Obfuscated Files or Information](https://attack.mitre.org/techniques/T1027) to hide artifacts of an intrusion from analysis. They

Adversaries may acquire domains that can be used during targeting. Domain names are the human readable names used to represent one or more IP addresse

Adversaries may gain access to a system through a user visiting a website over the normal course of browsing. Multiple ways of delivering exploit code

Adversaries may steal data by exfiltrating it over an existing command and control channel. Stolen data is encoded into the normal communications chan

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network. The weakness in the system can be a

Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file s

Adversaries may transfer tools or other files from an external system into a compromised environment. Tools or files may be copied from an external ad

Adversaries may abuse various implementations of JavaScript for execution. JavaScript (JS) is a platform-independent scripting language (compiled just

Adversaries may target user email on local systems to collect sensitive information. Files containing email data can be acquired from a user’s local s

An adversary may rely upon a user clicking a malicious link in order to gain execution. Users may be subjected to social engineering to get them to cl

Adversaries may attempt to manipulate the name of a task or service to make it appear legitimate or benign. Tasks/services executed by the Task Schedu

Adversaries may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Masqueradin

Adversaries may abuse PowerShell commands and scripts for execution. PowerShell is a powerful interactive command-line interface and scripting environ

Adversaries may abuse the Windows Task Scheduler to perform task scheduling for initial or recurring execution of malicious code. There are multiple w

Adversaries may attempt to take screen captures of the desktop to gather information over the course of an operation. Screen capturing functionality m

Adversaries may send spearphishing emails with a malicious attachment in an attempt to gain access to victim systems. Spearphishing attachment is a sp

An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and

Adversaries may attempt to identify the primary user, currently logged in user, set of users that commonly uses a system, or whether a user is activel

Adversaries may rent Virtual Private Servers (VPSs) that can be used during targeting. There exist a variety of cloud service providers that will sell

Adversaries may scan victims for vulnerabilities that can be used during targeting. Vulnerability scans typically check if the configuration of a targ

Adversaries may install code on externally facing portals, such as a VPN login page, to capture and transmit credentials of users who attempt to log i

Adversaries may communicate using application layer protocols associated with web traffic to avoid detection/network filtering by blending in with exi

Adversaries may compromise access to third-party web services that can be used during targeting. A variety of popular websites exist for legitimate us

Adversaries may abuse the Windows command shell for execution. The Windows command shell ([cmd](https://attack.mitre.org/software/S0106)) is the prima