Breach, Please!

Living Off the Land (LoTL) Attacks: Detection and Mitigation


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This episode discusses Living off the Land (LoTL) attacks, a sophisticated cyber threat technique where attackers use legitimate system tools and processes to evade detection. The document details various LoTL methods, including the exploitation of Living off the Land Binaries (LOLBins), Scripts (LOLScripts), Libraries (LOLLibs), and Trusted Services (LOTS). It also outlines indicators of compromise, such as unusual child processes and anomalous network connections, and suggests mitigation strategies, focusing on behavioral analysis, access controls, and security awareness training. Finally, the text highlights challenges in detecting LoTL attacks due to their fileless nature and the dual-use nature of many legitimate system tools, and mentions a commercial solution to combat this type of attack.

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Breach, Please!By Callie Guenther, Senior Manager - Cyber Threat Research at Critical Start