Adversaries have always relied on legitimate tools to carry out their attacks. These tools are already trusted by security solutions, which allows them to blend in with normal activity, maintain a low footprint, and make detection much harder for defenders. By using these legitimate tools, adversaries can carry out a wide range of actions, such as moving laterally across networks, establishing C2 channels, or maintaining persistence, all without triggering any alerts.
Series: The Detection & Response Chronicles
Every alert has a story. The Detection & Response Chronicles brings real incidents, investigations, and lessons learned from our MSS team as they navigate the ever-changing threat landscape. Based on real-world incidents and frontline experience, this series shares the challenges, insights, and outcomes that shape effective security operations, turning everyday alerts into stories worth telling.
Capture the Kerberos Flag: Detecting Kerberos Anomalies
Kerberos is one of the most common protocols in organizations that utilize Windows Active Directory, and an essential part of Windows authentication used to verify the identity of a user or a host [1]. As such, Kerberos is often a target for adversaries trying to either steal or forge Kerberos tickets [2]. In this blog … Continue reading Capture the Kerberos Flag: Detecting Kerberos Anomalies
The Detection & Response Chronicles: Exploring Telegram Abuse
Adversaries utilizing popular messaging apps throughout different attack phases is nothing new. Telegram, in particular, has constantly been the subject of abuse by multiple threat actors, favoured for its anonymity, accessibility, resilience, and operational advantages. In this blog, we explore popular Telegram Bot APIs, recent campaigns involving Telegram abuse, and provide detection and hunting opportunities.



