OSI

PowerShell-based Attacks

PowerShell-based attacks leverage Windows PowerShell, an embedded scripting language in Windows, to execute malicious code. Attackers exploit PowerShell's capabilities to evade traditional antivirus and security measures, executing commands and running malware through PowerShell scripts. These attacks can lead to credential theft, malware downloads, network infiltration, and data exfiltration.

Fileless malware

Fileless malware is an advanced form of LOTL attack that circumvents traditional antivirus software by operating directly in a computer's memory rather than the file system. Because it doesn't leave a file to scan, it's harder to detect and leaves no footprint. This type of malware can be used for various malicious purposes, including data theft and installing backdoors, posing a significant threat to organizations dependent on traditional antivirus solutions. Despite its effectiveness, fileless malware can evade detection by all but the most sophisticated security solutions.

Registry run keys

This type of attack poses a significant threat as it enables attackers to persist on an infected system even after rebooting, potentially allowing them to escalate privileges. Attackers achieve this by inserting their malware into specific registry keys responsible for executing programs during startup. These registry run keys are critical for launching legitimate applications upon system boot. By leveraging this technique, attackers aim to circumvent common security measures like anti-malware software.

Binary Planting

Binary planting occurs when attackers place a malicious binary file on a system, exploiting vulnerabilities in the system or trusted applications. This can happen through insecure directory access permissions, allowing local attackers to infiltrate the system. Additionally, attackers may plant malicious binaries in trusted locations used by other applications, or they may trick applications into searching for binaries in untrusted locations, leading to unintended ex*****on of the malicious code.

How LOTL Attacks work?

LOTL attacks work by exploiting trusted system tools and applications to evade detection. Attackers use preexisting vulnerabilities and weaknesses in these tools to execute malicious code and maintain persistence on the system, they then use these tools to execute commands, modify system configurations, and perform other tasks without alerting users or security systems. They can also leverage preexisting vulnerabilities within the target system and exploit these vulnerabilities to gain access to sensitive information.

Types of LOTL Attacks?

LOTL (Living Off the Land) attacks encompass various methodologies, such as binary planting, Registry Run Keys manipulation, Fileless malware deployment, and PowerShell-based exploitation. Each technique poses distinct challenges and requires tailored detection and mitigation strategies to effectively safeguard against potential threats.

Why is A LOTL attack harder to detect?

LOTL (Living Off the Land) attacks are gaining traction among cybercriminals owing to their efficacy in circumventing conventional security protocols. To counter such threats, IT and security personnel must possess comprehensive insights into typical network traffic patterns and employee conduct. Identifying LOTL anomalies necessitates extensive network observation, coupled with ongoing scrutiny for irregular commands, data payloads, or any other potentially suspicious behaviour.

What is a Living Off The Land (LOTL) attack?

A Living off the land (LOTL) attack is a cyberattack in which a hacker uses legitimate software and functions already present in the system to perform malicious actions. This type of Cyberattack is fileless, meaning threat actors are not required to install code within the target system to achieve access.

What is an encrypted threat?

Most industry analyst firms conclude that between 80-90 percent of network traffic is encrypted today, requiring you to scan encrypted traffic. While TLS (Transport Layer Security) provides added security for web sessions and internet communications, attackers increasingly use this encryption protocol to hide malware, ransomware, zero-day attacks and more. Legacy firewalls and other traditional security controls lack the capability or processing power to detect, inspect and mitigate threats sent over HTTPs traffic, making this a highly successful avenue for threat actors to deploy and execute attacks.

Strong passwords are a great start, but if someone is able to guess it correctly and that’s all you have set up, you’re in trouble.
Multi-factor authentication requires a second verification. That way, if someone does get your password and attempts to log into your account, you’ll be notified and can take action.!

What is CryptoJacking?

Cryptojacking is a type of cyberattack where threat actors hijack a victim’s computing resources to mine cryptocurrencies without their consent or knowledge. It involves the installation of malware, often delivered via phishing emails or compromised websites, that secretly runs in the background on a victim’s computer, smartphone, or server. This malware uses the device’s processing power and energy to solve complex mathematical problems (“proof of work”), generating cryptocurrency for the attacker.

Today’s Tech Tip!

If you’re e-mailing sensitive information, it’s important that the ONLY recipient is the one the e-mail is intended for. One way to ensure your message doesn’t fall into the wrong hands is to encrypt it.