The adversary is trying to establish resources they can use to support operations.

Resource Development consists of techniques that involve adversaries creating, purchasing, or compromising/stealing resources that can be used to support targeting. Such resources include infrastructure, accounts, or capabilities. These resources can be leveraged by the adversary to aid in other phases of the adversary lifecycle, such as using purchased domains to support Command and Control, email accounts for phishing as a part of Initial Access, or stealing code signing certificates to help with Defense Evasion.

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Acquire Infrastructure

Adversaries may buy, lease, rent, or obtain infrastructure that can be used during targeting. A wide variety of infrastructure exists for hosting and orchestrating adversary operations. Infrastructure solutions include physical or cloud servers, domains, and third-party web services.[1] Some infrastructure providers offer free trial periods, enabling infrastructure acquisition at limited to no cost.[2] Additionally, botnets are available for rent or purchase.

Use of these infrastructure solutions allows adversaries to stage, launch, and execute operations. Solutions may help adversary operations blend in with traffic that is seen as normal, such as contacting third-party web services or acquiring infrastructure to support Proxy, including from residential proxy services.[3],[4],[5] Depending on the implementation, adversaries may use infrastructure that makes it difficult to physically tie back to them as well as utilize infrastructure that can be rapidly provisioned, modified, and shut down.

References

  1. Max Goncharov. (2015, July 15). Criminal Hideouts for Lease: Bulletproof Hosting Services. Retrieved March 6, 2017.
  2. Gamazo, William. Quist, Nathaniel.. (2023, January 5). PurpleUrchin Bypasses CAPTCHA and Steals Cloud Platform Resources. Retrieved February 28, 2024.
  3. Amnesty International Security Lab. (2021, July 18). Forensic Methodology Report: How to catch NSO Group’s Pegasus. Retrieved February 22, 2022.
  4. FBI. (2022, August 18). Proxies and Configurations Used for Credential Stuffing Attacks on Online Customer Accounts . Retrieved July 6, 2023.
  5. Douglas Bienstock. (2022, August 18). You Can’t Audit Me: APT29 Continues Targeting Microsoft 365. Retrieved February 23, 2023.
Compromise Infrastructure

Adversaries may compromise third-party infrastructure that can be used during targeting. Infrastructure solutions include physical or cloud servers, domains, network devices, and third-party web and DNS services. Instead of buying, leasing, or renting infrastructure an adversary may compromise infrastructure and use it during other phases of the adversary lifecycle.[1],[2],[3],[4] Additionally, adversaries may compromise numerous machines to form a botnet they can leverage.

Use of compromised infrastructure allows adversaries to stage, launch, and execute operations. Compromised infrastructure can help adversary operations blend in with traffic that is seen as normal, such as contact with high reputation or trusted sites. For example, adversaries may leverage compromised infrastructure (potentially also in conjunction with Digital Certificates) to further blend in and support staged information gathering and/or Phishing campaigns.[5] Adversaries may also compromise numerous machines to support Proxy and/or proxyware services or to form a botnet.[6],[7] Additionally, adversaries may compromise infrastructure residing in close proximity to a target in order to gain Initial Access via Wi-Fi Networks.[8]

By using compromised infrastructure, adversaries may enable follow-on malicious operations. Prior to targeting, adversaries may also compromise the infrastructure of other adversaries.[9]

References

  1. Mandiant. (n.d.). APT1 Exposing One of China’s Cyber Espionage Units. Retrieved July 18, 2016.
  2. ICANN Security and Stability Advisory Committee. (2005, July 12). Domain Name Hijacking: Incidents, Threats, Risks and Remediation. Retrieved November 17, 2024.
  3. Mercer, W., Rascagneres, P. (2018, November 27). DNSpionage Campaign Targets Middle East. Retrieved October 9, 2020.
  4. Winters, R. (2015, December 20). The EPS Awakens - Part 2. Retrieved January 22, 2016.
  5. Hirani, M., Jones, S., Read, B. (2019, January 10). Global DNS Hijacking Campaign: DNS Record Manipulation at Scale. Retrieved October 9, 2020.
  6. Amnesty International Security Lab. (2021, July 18). Forensic Methodology Report: How to catch NSO Group’s Pegasus. Retrieved February 22, 2022.
  7. Crystal Morin. (2023, April 4). Proxyjacking has Entered the Chat. Retrieved July 6, 2023.
  8. Koessel, Sean. Adair, Steven. Lancaster, Tom. (2024, November 22). The Nearest Neighbor Attack: How A Russian APT Weaponized Nearby Wi-Fi Networks for Covert Access. Retrieved February 25, 2025.
  9. NSA/NCSC. (2019, October 21). Cybersecurity Advisory: Turla Group Exploits Iranian APT To Expand Coverage Of Victims. Retrieved October 16, 2020.
Compromise Accounts

Adversaries may compromise accounts with services that can be used during targeting. For operations incorporating social engineering, the utilization of an online persona may be important. Rather than creating and cultivating accounts (i.e. Establish Accounts), adversaries may compromise existing accounts. Utilizing an existing persona may engender a level of trust in a potential victim if they have a relationship, or knowledge of, the compromised persona.

A variety of methods exist for compromising accounts, such as gathering credentials via Phishing for Information, purchasing credentials from third-party sites, brute forcing credentials (ex: password reuse from breach credential dumps), or paying employees, suppliers or business partners for access to credentials.[1],[2] Prior to compromising accounts, adversaries may conduct Reconnaissance to inform decisions about which accounts to compromise to further their operation.

Personas may exist on a single site or across multiple sites (ex: Facebook, LinkedIn, Twitter, Google, etc.). Compromised accounts may require additional development, this could include filling out or modifying profile information, further developing social networks, or incorporating photos.

Adversaries may directly leverage compromised email accounts for Phishing for Information or Phishing.

References

  1. Bright, P. (2011, February 15). Anonymous speaks: the inside story of the HBGary hack. Retrieved March 9, 2017.
  2. Microsoft. (2022, March 22). DEV-0537 criminal actor targeting organizations for data exfiltration and destruction. Retrieved March 23, 2022.
Stage Capabilities

Adversaries may upload, install, or otherwise set up capabilities that can be used during targeting. To support their operations, an adversary may need to take capabilities they developed (Develop Capabilities) or obtained (Obtain Capabilities) and stage them on infrastructure under their control. These capabilities may be staged on infrastructure that was previously purchased/rented by the adversary (Acquire Infrastructure) or was otherwise compromised by them (Compromise Infrastructure). Capabilities may also be staged on web services, such as GitHub or Pastebin, or on Platform-as-a-Service (PaaS) offerings that enable users to easily provision applications.[1],[2],[3],[4],[5]

Staging of capabilities can aid the adversary in a number of initial access and post-compromise behaviors, including (but not limited to):

  • Staging web resources necessary to conduct Drive-by Compromise when a user browses to a site.[6],[7],[8]
  • Staging web resources for a link target to be used with spearphishing.[9],[10]
  • Uploading malware or tools to a location accessible to a victim network to enable Ingress Tool Transfer.[1]
  • Installing a previously acquired SSL/TLS certificate to use to encrypt command and control traffic (ex: Asymmetric Cryptography with Web Protocols).[11]

References

  1. Adair, S. and Lancaster, T. (2020, November 6). OceanLotus: Extending Cyber Espionage Operations Through Fake Websites. Retrieved November 20, 2020.
  2. Kent Backman. (2021, May 18). When Intrusions Don’t Align: A New Water Watering Hole and Oldsmar. Retrieved August 18, 2022.
  3. Jérôme Segura. (2019, December 4). There's an app for that: web skimmers found on PaaS Heroku. Retrieved August 18, 2022.
  4. Ashwin Vamshi. (2019, January 24). Targeted Attacks Abusing Google Cloud Platform Open Redirection. Retrieved August 18, 2022.
  5. Ashwin Vamshi. (2020, August 12). A Big Catch: Cloud Phishing from Google App Engine and Azure App Service. Retrieved August 18, 2022.
  6. Kindlund, D. (2012, December 30). CFR Watering Hole Attack Details. Retrieved November 17, 2024.
  7. Gallagher, S.. (2015, August 5). Newly discovered Chinese hacking group hacked 100+ websites to use as “watering holes”. Retrieved January 25, 2016.
  8. Blasco, J. (2014, August 28). Scanbox: A Reconnaissance Framework Used with Watering Hole Attacks. Retrieved October 19, 2020.
  9. Malwarebytes Threat Intelligence Team. (2020, October 14). Silent Librarian APT right on schedule for 20/21 academic year. Retrieved February 3, 2021.
  10. Proofpoint Threat Insight Team. (2019, September 5). Threat Actor Profile: TA407, the Silent Librarian. Retrieved February 3, 2021.
  11. DigiCert. (n.d.). How to Install an SSL Certificate. Retrieved April 19, 2021.
Generate Content

Adversaries may create or generate content to support targeting and operations. This content may be used to establish personas, impersonate known individuals or organizations, and support Social Engineering, fraud, or influence activities. Written materials, audio, images, video, or other media may be developed and tailored to the target and objective.[1]

Content development may occur prior to or during an operation. Adversaries may develop or generate content in-house, source it through third parties, or produce it using AI-assisted tools. Adversaries may use AI to research targets, develop pretexts, and better understand the organizations and individuals they intend to target or deceive prior to generating content (i.e., Query Public AI Services); for obtaining access to AI tools used in content generation, see Artificial Intelligence.

Content may be leveraged in support of techniques such as Phishing, Phishing for Information, Social Engineering, Financial Theft, or Establish Accounts. Generated or developed content does not include malicious code or scripts (i.e., Develop Capabilities and Artificial Intelligence).

References

  1. Tim Mucci. (n.d.). What is AI-Generated Content?. Retrieved April 22, 2026.
Establish Accounts

Adversaries may create and cultivate accounts with services that can be used during targeting. Adversaries can create accounts that can be used to build a persona to further operations. Persona development consists of the development of public information, presence, history and appropriate affiliations. This development could be applied to social media, website, or other publicly available information that could be referenced and scrutinized for legitimacy over the course of an operation using that persona or identity.[1],[2]

For operations incorporating social engineering, the utilization of an online persona may be important. These personas may be fictitious or impersonate real people. The persona may exist on a single site or across multiple sites (ex: Facebook, LinkedIn, Twitter, Google, GitHub, Docker Hub, etc.). Establishing a persona may require development of additional documentation to make them seem real. This could include filling out profile information, developing social networks, or incorporating photos.[1],[2]

Establishing accounts can also include the creation of accounts with email providers, which may be directly leveraged for Phishing for Information or Phishing.[3] In addition, establishing accounts may allow adversaries to abuse free services, such as registering for trial periods to Acquire Infrastructure for malicious purposes.[4]

References

  1. Lennon, M. (2014, May 29). Iranian Hackers Targeted US Officials in Elaborate Social Media Attack Operation. Retrieved March 1, 2017.
  2. Ryan, T. (2010). “Getting In Bed with Robin Sage.”. Retrieved March 6, 2017.
  3. Mandiant. (n.d.). APT1 Exposing One of China’s Cyber Espionage Units. Retrieved July 18, 2016.
  4. Gamazo, William. Quist, Nathaniel.. (2023, January 5). PurpleUrchin Bypasses CAPTCHA and Steals Cloud Platform Resources. Retrieved February 28, 2024.
Obtain Capabilities

Adversaries may buy and/or steal capabilities that can be used during targeting. Rather than developing their own capabilities in-house, adversaries may purchase, freely download, or steal them. Activities may include the acquisition of malware, software (including licenses), exploits, certificates, and information relating to vulnerabilities. Adversaries may obtain capabilities to support their operations throughout numerous phases of the adversary lifecycle.

In addition to downloading free malware, software, and exploits from the internet, adversaries may purchase these capabilities from third-party entities. Third-party entities can include technology companies that specialize in malware and exploits, criminal marketplaces, or from individuals.[1],[2]

In addition to purchasing capabilities, adversaries may steal capabilities from third-party entities (including other adversaries). This can include stealing software licenses, malware, SSL/TLS and code-signing certificates, or raiding closed databases of vulnerabilities or exploits.[3]

References

  1. Nicole Perlroth and David E. Sanger. (2013, July 12). Nations Buying as Hackers Sell Flaws in Computer Code. Retrieved March 9, 2017.
  2. Bill Marczak and John Scott-Railton. (2016, August 24). The Million Dollar Dissident: NSO Group’s iPhone Zero-Days used against a UAE Human Rights Defender. Retrieved December 12, 2016.
  3. Fisher, D. (2012, October 31). Final Report on DigiNotar Hack Shows Total Compromise of CA Servers. Retrieved March 6, 2017.
Acquire Access

Adversaries may purchase or otherwise acquire an existing access to a target system or network. A variety of online services and initial access broker networks are available to sell access to previously compromised systems.[1],[2],[3] In some cases, adversary groups may form partnerships to share compromised systems with each other.[4]

Footholds to compromised systems may take a variety of forms, such as access to planted backdoors (e.g., Web Shell) or established access via External Remote Services. In some cases, access brokers will implant compromised systems with a “load” that can be used to install additional malware for paying customers.[1]

By leveraging existing access broker networks rather than developing or obtaining their own initial access capabilities, an adversary can potentially reduce the resources required to gain a foothold on a target network and focus their efforts on later stages of compromise. Adversaries may prioritize acquiring access to systems that have been determined to lack security monitoring or that have high privileges, or systems that belong to organizations in a particular sector.[1],[2]

In some cases, purchasing access to an organization in sectors such as IT contracting, software development, or telecommunications may allow an adversary to compromise additional victims via a Trusted Relationship, Multi-Factor Authentication Interception, or even Supply Chain Compromise.

Note: while this technique is distinct from other behaviors such as Purchase Technical Data and Credentials, they may often be used in conjunction (especially where the acquired foothold requires Valid Accounts).

References

  1. Microsoft. (2022, May 9). Ransomware as a service: Understanding the cybercrime gig economy and how to protect yourself. Retrieved March 10, 2023.
  2. CrowdStrike Intelligence Team. (2022, February 23). Access Brokers: Who Are the Targets, and What Are They Worth?. Retrieved March 10, 2023.
  3. Brian Krebs. (2012, October 22). Service Sells Access to Fortune 500 Firms. Retrieved March 10, 2023.
  4. Cybersecurity Infrastructure and Defense Agency. (2022, June 2). Karakurt Data Extortion Group. Retrieved March 10, 2023.
Develop Capabilities

Adversaries may build capabilities that can be used during targeting. Rather than purchasing, freely downloading, or stealing capabilities, adversaries may develop their own capabilities in-house. This is the process of identifying development requirements and building solutions such as malware, exploits, and self-signed certificates. Adversaries may develop capabilities to support their operations throughout numerous phases of the adversary lifecycle.[1],[2],[3],[4]

As with legitimate development efforts, different skill sets may be required for developing capabilities. The skills needed may be located in-house, or may need to be contracted out. Use of a contractor may be considered an extension of that adversary's development capabilities, provided the adversary plays a role in shaping requirements and maintains a degree of exclusivity to the capability. Adversaries may also employ the use of Artificial Intelligence for development.

References

  1. Mandiant. (n.d.). APT1 Exposing One of China’s Cyber Espionage Units. Retrieved July 18, 2016.
  2. Kaspersky Lab's Global Research and Analysis Team. (2015, December 4). Sofacy APT hits high profile targets with updated toolset. Retrieved December 10, 2015.
  3. Tudorica, R. et al. (2020, June 30). StrongPity APT - Revealing Trojanized Tools, Working Hours and Infrastructure. Retrieved July 20, 2020.
  4. Mercer, W. et al. (2020, June 29). PROMETHIUM extends global reach with StrongPity3 APT. Retrieved July 20, 2020.

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is related to Tactics
is part of Enterprise ATT&CK