The original purpose of BitLocker is to address the risks of data theft or exposure from lost, stolen, or improperly decommissioned devices.
Nonetheless, threat actors have found out that this mechanism can be repurposed for malicious ends to great effect. In that incident, the attackers were able to deploy and run an advanced VBS script that took advantage of BitLocker for unauthorized file encryption. We spotted this script and its modified versions in Mexico, Indonesia, and Jordan. In the sections below, we analyze in detail the malicious code obtained during our incident response effort and provide tips for mitigating this kind of threat.
Read more…
Source: Kaspersky
Related:
- Cybercriminals Use Malicious Memes that Communicate with Malware
December 14, 2018
Steganography, or the method used to conceal a malicious payload inside an image to evade security solutions, has long been used by cybercriminals to spread malware and perform other malicious operations. We recently discovered malicious actors using this technique on memes. The malware authors have posted two tweets featuring malicious memes on October 25 and 26 ...
- Tildeb: Analyzing the 18-year-old Implant from the Shadow Brokers’ Leak
December 13, 2018
On April 14, 2017, The Shadow Brokers (TSB) leaked a bevy of hacking tools named “Lost in Translation.” This leak is notorious for having multiple zero-day remote code execution (RCE) vulnerabilities targeting critical protocols such as Server Message Block (SMB) and Remote Desktop Protocol (RDP) and applications like collaboration and web server-based software. The exploit toolkit includes EternalBlue, ...
- Operation Sharpshooter Uses Fileless Malware to Attack Global Infrastructure
December 12, 2018
The McAfee Advanced Threat Research team detected a malware campaign dubbed Operation Sharpshooter which attacked nuclear, defense, energy, and financial targets from all over the world. As detailed by McAfee’s research team, the campaign dubbed “Operation Sharpshooter” makes use of an in-memory essential to download and execute a second stage payload named Rising Sun. Moreover, the Rising Sun implant ...
- Large Organizations Face Up to Several Million Targeted Bot Attacks per Day
December 12, 2018
According to an Osterman Research report, 211 large organizations with a mean of 16,822 employees have reported that during most weeks they experienced an average of 3,700 bot attacks targeting Internet exposed web apps. Bot attacks (also known as botnet attacks) make use of large numbers of connected computers to try and take down entire networks, websites, ...
- Poking the Bear: Three-Year Campaign Targets Russian Critical Infrastructure
December 11, 2018
Nation-state conflict has come to dominate many of the policy discussions and much of the strategic thinking about cybersecurity. When events of geopolitical significance hit the papers, researchers look for parallel signs of sub rosa cyber activity carried out by state-sponsored threat actors—espionage, sabotage, coercion, information operations—to complete the picture. After all, behind every story may lurk ...
- Saipem servers suffer cyber attack in Middle East
December 10, 2018
Italian oil services company Saipem (SPMI.MI) said it had identified a cyber attack out of India on Monday that had primarily affected its servers in the Middle East. “We are collecting all the elements useful for assessing the impact on our infrastructures and the actions to be taken to restore normal activities,” the firm said in ...