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ATT&CK Technique

Malicious Link

T1204.001 · execution

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 click on a link that will lead to code execution. This user action will typically be observed as follow-on behavior from Spearphishing Link.

Clicking on a link may also lead to other execution techniques such as exploitation of a browser or application vulnerability via Exploitation for Client Execution. Links may also lead users to download files that require execution via Malicious File.

LinuxmacOSWindows

Actors Using This

14
russia_speaking_cybercrimeAkira
russia_speaking_cybercrimeALPHV / BlackCat
latin_america_brazilian_organized_cybercrimeAmavaldo
north_koreaAndariel
chinaAPT10
chinaAPT17
chinaAPT1
russiaAPT28
russiaAPT29
chinaAPT31
iranAPT33
iranOilRig
iranAPT35

Likely Attack Path

Techniques the same actors pair with this one distinctively - those showing up among actors who use this technique noticeably more than across all actors (lift > 1.15), grouped by kill-chain phase. The × is that lift multiplier; the shared-actor count is in the tooltip. A near-universal technique pairs with everything at baseline, so its list is short by design.

Mitigations

3
MITRE ATT&CK mitigations - vendor-agnostic guidance for reducing exposure to this technique.
M1017User Training

User Training involves educating employees and contractors on recognizing, reporting, and preventing cyber threats that rely on human interaction, such as phishing, social engineering, and other manipulative techniques. Comprehensive training programs create a human firewall by empowering users to be an active component of the organization's cybersecurity defenses.

Create Comprehensive Training Programs
  • Design training modules tailored to the organization's risk profile, covering topics such as phishing, password management, and incident reporting.
  • Provide role-specific training for high-risk employees, such as helpdesk staff or executives.
Use Simulated Exercises
  • Conduct phishing simulations to measure user susceptibility and provide targeted follow-up training.
  • Run social engineering drills to evaluate employee responses and reinforce protocols.
Leverage Gamification and Engagement
  • Introduce interactive learning methods such as quizzes, gamified challenges, and rewards for successful detection and reporting of threats.
Incorporate Security Policies into Onboarding
  • Include cybersecurity training as part of the onboarding process for new employees.
  • Provide easy-to-understand materials outlining acceptable use policies and reporting procedures.
Regular Refresher Courses
  • Update training materials to include emerging threats and techniques used by adversaries.
  • Ensure all employees complete periodic refresher courses to stay informed.
Emphasize Real-World Scenarios
  • Use case studies of recent attacks to demonstrate the consequences of successful phishing or social engineering.
  • Discuss how specific employee actions can prevent or mitigate such attacks.
M1021Restrict Web-Based Content

Restricting web-based content involves enforcing policies and technologies that limit access to potentially malicious websites, unsafe downloads, and unauthorized browser behaviors. This can include URL filtering, download restrictions, script blocking, and extension control to protect against exploitation, phishing, and malware delivery.

Deploy Web Proxy Filtering
  • Use solutions to filter web traffic based on categories, reputation, and content types.
  • Enforce policies that block unsafe websites or file types at the gateway level.
Enable DNS-Based Filtering
  • Implement tools to restrict access to domains associated with malware or phishing campaigns.
  • Use public DNS filtering services to enhance protection.
Enforce Content Security Policies (CSP)
  • Configure CSP headers on internal and external web applications to restrict script execution, iframe embedding, and cross-origin requests.
Control Browser Features
  • Disable unapproved browser features like automatic downloads, developer tools, or unsafe scripting.
  • Enforce policies through tools like Group Policy Management to control browser settings.
Monitor and Alert on Web-Based Threats
  • Use SIEM tools to collect and analyze web proxy logs for signs of anomalous or malicious activity.
  • Configure alerts for access attempts to blocked domains or repeated file download failures.
M1031Network Intrusion Prevention

Use intrusion detection signatures to block traffic at network boundaries.

Detection Coverage

1/6 layers
Coverage across standard detection surfaces. Rows marked none have no rule of that type mapped. Some are real blind spots worth closing; others are simply not applicable to this technique (e.g. YARA matches malware files, not network behaviour).
Behavioral / log (Sigma) 4
Analytics (MITRE CAR) none
Runtime / container (Falco) none
File / malware (YARA) none
Network (Suricata/Snort) none
Vuln scan (Nuclei) none

Comply & Defend

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