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In today’s digital era, cyber threats are evolving constantly. Living-off-the-Land (LotL) cyber attacks represent a significant danger for those who store sensitive information on their computers.
These cyber attacks utilise legitimate system tools, making them particularly difficult to detect. Protecting against these threats becomes essential for safeguarding our data integrity.
In this article, we’ll examine LotL cyber attacks and share effective ways to maintain security against these threats. We’ll also analyse the tools used by cybercriminals and highlight protective measures against modern cyber attacks.
A Living-off-the-Land (LotL) cyber attack is a form of hacking where intruders use legitimate tools and functions available within systems to carry out malicious actions.
Unlike traditional cyber attacks, an LotL threat doesn’t require external software installation, allowing it to operate without raising suspicions. This characteristic makes detection extremely challenging.
For instance, in February 2018, cybercriminals perpetrated an LotL attack against several global financial institutions. Using the legitimate Mimikatz tool, they harvested passwords and obtained administrative privileges. They then leveraged Windows registry tools and SC service to execute Metasploit scripts.
The consequences of an LotL cyber attack can be devastating. Attackers can gain complete control of critical systems, obtain sensitive data, or deploy malware without leaving traces. They can access financial information, personal data, and corporate secrets for extortion, fraud, or espionage purposes.
LotL attacks operate through tools and functionalities already present in device operating systems. They employ PowerShell scripts or Windows Management Instrumentation (WMI) commands to execute malicious actions. This makes them particularly dangerous as they blend in with legitimate system operations.
These cyber attacks typically exploit vulnerabilities in unpatched systems or misconfigured settings. Once inside, attackers elevate their privileges using stolen credentials or tools like Mimikatz. They then manage the attack from the administration console using native tools to infect or exfiltrate data.
For optimal protection against cyber threats, consider using robust hardware solutions. The HP business laptops and HP desktop PCs come equipped with advanced security features designed to protect against modern cyber threats.
Hackers have multiple instruments at their disposal for launching LotL attacks. Although they don’t always need to install malicious code, they can gain system access in various ways. Here are the tools cybercriminals use for these types of attacks:
1. Exploit Kits: Collections of code and commands that leverage detected vulnerabilities in operating systems or installed applications. Attackers inject these directly into memory to execute attacks without writing files to disk. These kits typically include a management console to control the compromised system and scan the environment for vulnerabilities.
2. Registry-resident Malware: This type of malware installs its code in the Windows registry to maintain persistence and avoid detection. Usually, a dropper program initiates the attack by downloading a malicious file. This program can write harmful code directly to the registry, making it invisible and difficult to detect for traditional antivirus software.
3. Memory-resident Malware: This resides solely in RAM, avoiding hard drive storage. The notable Duqu worm executes entirely from memory, evading conventional detection methods. This allows the attacker to move laterally, collect information, and exfiltrate data without leaving evidence on the disk.
4. Fileless Data Hijacking: This ransomware doesn’t write malicious files to disk. Instead, it embeds its code in documents using native script languages like macros or writes directly to memory using exploits. It then uses tools like PowerShell to encrypt files, resulting in a clean, traceless operation.
5. Stolen Credentials: Attackers can use stolen credentials to access the system as legitimate users. Once inside, they leverage internal tools like WMI or PowerShell to execute their attack. They then take over the system by altering registry keys or creating user accounts with high privileges.
These tools demonstrate how cybercriminals can exploit inherent vulnerabilities in computer systems. Therefore, it’s natural that cybersecurity is constantly evolving to counter these threats that put our information at risk.
At HP, we understand the importance of cybersecurity for both businesses and homes. For this reason, we offer information that can be significant for users to protect their information and equipment.
With LotL cyber attacks on the rise, the best protection is the use of professional cybersecurity solutions. These are specialised threat hunting services and attack indicators provided by security companies. Although it’s a specialised service, it can make the difference when it comes to safeguarding our information.
Additionally, you can follow these tips that will help you obtain maximum protection against LotL cyber attacks:
Limit Script Language Usage: LotL attacks depend on malicious code execution through script languages like PowerShell and Windows scripts. Limiting their use or establishing strict controls can significantly reduce the risk of these attacks.
Constant System Activity Monitoring: Implementing a robust system for monitoring system activity and file access helps detect unusual patterns, which are the primary operating method of LotL attacks. Proactive surveillance can reveal signs of a potential attack before causing major damage.
Regular Software Updates: Keep all software updated to close security gaps that LotL attacks might exploit. Make sure to apply the latest security updates and patches across all programs and operating systems.
Implement Least-privilege Access Controls: Limit access to sensitive data and to those who truly need it reduces attackers’ opportunities. Using a least-privilege access control policy strengthens protection against LotL cyber attacks.
Strong User Authentication: Measures like multi-factor authentication make it harder for attackers to use stolen credentials. Robust authentication prevents unauthorised access and is useful for protecting your data and system.
Protection against LotL cyber attacks requires a comprehensive, proactive approach. We encourage you to enhance your cybersecurity at both personal and organisational levels through professional solutions and good IT protection practices.
Remember to keep your software updated and limit unnecessary script usage. Invest in constant system activity monitoring and establish least-privilege access controls.
At HP, we’re committed to your network security. Start implementing the advice and measures presented in this article to protect your data against cyber threats.
For additional protection, explore our range of HP printers and HP business solutions that come with built-in security features to help safeguard your sensitive information.
Mon-Fri 8:30AM to 5:30PM
(exc. Public Holidays)
Mon-Fri 8.30am - 5.30pm
(exc. Public Holidays)
Live product demo
