Threat Hunting Techniques

Threat hunting isn’t just a job — it’s an adventure. There’s a thrill in proactively chasing down adversaries who think they’ve outsmarted your defenses.

It’s this blend of challenge, creativity, and impact that makes threat hunting not only fun but also a critical piece of modern cybersecurity. 

Why Business Should Take Threat Hunting Seriously 

Threat hunting is a proactive cybersecurity strategy that involves actively searching for indicators of compromise (IOCs) and threats that evade traditional security measures.

Unlike automated detection, which relies on predefined rules, threat hunting uses human intuition, data analysis, and advanced tools to uncover stealthy attacks. 

Cybercriminals constantly refine their tactics to bypass conventional security solutions. By incorporating threat hunting, organizations can: 

  • Detect threats earlier, minimizing potential damage. 
  • Reduce dwell time (the duration an attacker remains undetected within a network). 
  • Strengthen overall security posture by identifying gaps in existing defenses. 

Threat Intelligence Tools And Techniques To Chase Malware 

 
Effective threat hunting requires the right tools to amplify professional intuition and expertise. SIEM systems, EDR platforms, and XDR solutions provide the raw data and visibility hunters need.  

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But the real game-changer? Threat intelligence. These tools deliver actionable insights about known threats, attacker tactics, techniques, and procedures (TTPs), and emerging risks, giving hunters a head start in their search.   

1. Enrich Indicators With As Much Context As Possible  

Imagine a security analyst encountering a suspicious domain in their logs. They use ANY.RUN’s Threat Intelligence Lookup to investigate further: destinationIP:”185.156.175.43″
 
What do we get by a single search?

An IP lookup results new IOCs, events, TTPs, malware strain peg 
  • The domain is flagged as malicious and deserves to be treated like one. 
  • It is linked to well-known, recently active, and dangerous malware: AsyncRat and Remcos remote access trojans. 
  • There is a bunch of associated IPs spotted in the same malware samples as the investigated one.  
  • There are a number of other Indicators of Compromise from attacks featuring this IP and the associated IPs: file hashes, mutexes, ports. Each can be a main parameter for a new search — combined with other parameters from over 40 ones available in TI Lookup. 
  • The domain was last spotted by ANY.RUN’s tools in a malware sample at the end of March, so it is a fresh and active indicator.  

Enrich your defense with wider threat context for any indicator  -> Contact ANY.RUN for 50 trial search queries 

2. Explore Full Attacks In Detail 

Pull a thread and untangle a complex malware attack: one indicator can be enough to dive deep into research and resurface with a defense plan.

Say, an analyst has just a suspicious file hash, searches it via TI Lookup and goes to the “Tasks” tab in the search results:

md5:”3DCAFE710A9252FE5210909D84EDBF3E”  

 File hash search results: a fresh malware sample featuring the file 

Here we have an analytic session of a malware sample conducted by ANY.RUN’s Interactive Sandbox user.  

 Observe a malicious file’s behavior in Interactive Sandbox 

We can view the analysis or restart it changing certain virtual machine settings (e.g. changing OS, proxy, VPN, etc).

Choose the parameters of suspicious file analysis 

We can explore the malware configuration, gather IOCs (for further TI Lookup searches), view malicious processes in action.  

3. Subscribe For Updates On Evolving Threats 

Even if you search regularly for updates on threats and indicators, it does not guarantee you from missing important new data.  
 
TI Lookup Search Updates feature lets you subscribe to the results of specific queries. Click on the bell icon in the top right corner of TI Lookup search results and click “Subscribe”. 

threatName:”asyncrat”

Click the bell to see the subscription button 

When new results appear, a notification is displayed in the dashboard. Fresh data is highlighted in green. 

Conclusion 

Threat hunting is an essential, dynamic process that transforms cybersecurity from reactive to proactive.

By leveraging advanced threat intelligence tools like ANY.RUN’s Lookup, organizations can enhance their ability to detect and mitigate threats before they cause harm.

With the right mindset, skills, and tools, threat hunting becomes not just an obligation but an engaging and rewarding challenge for security teams. 

Arm your team for hunting threats efficiently!  Request 50 searches trial with ANY.RUN 

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Balaji N
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.