Sleep with one eye open: how Librarian Ghouls steal data by night


Librarian Ghouls, also known as “Rare Werewolf” and “Rezet”, is an APT group that targets entities in Russia and the CIS.

The group has remained active through May 2025, consistently targeting Russian companies. A distinctive feature of this threat is that the attackers favor using legitimate third-party software over developing their own malicious binaries. The malicious functionality of the campaign described in this article is implemented through command files and PowerShell scripts. The attackers establish remote access to the victim’s device, steal credentials, and deploy an XMRig crypto miner in the system. Kaspersky research has uncovered new tools within this APT group’s arsenal, which they will elaborate on in this article.

Read more…
Source: Kaspersky


Sign up for our Newsletter
The latest news and insights delivered right to your inbox.


Related:

  • Compal, the second-largest laptop manufacturer in the world, hit by ransomware

    November 9, 2020

    Compal, a Taiwanese electronics company that builds laptops for some of the world’s largest computer brands such as Apple, Acer, Lenovo, Dell, Toshiba, HP, and Fujitsu, suffered a ransomware attack over the weekend. Responsible for the breach is believed to be the DoppelPaymer ransomware gang, according to a screenshot of the ransom note shared by Compal ...

  • xHunt Campaign: Newly Discovered Backdoors Using Deleted Email Drafts and DNS Tunnelling for C2

    November 9, 2020

    The xHunt campaign has been active since at least July 2018 and we have seen this group target Kuwait government and shipping and transportation organizations. Recently, we observed evidence that the threat actors compromised a Microsoft Exchange Server at an organization in Kuwait. We do not have visibility into how the actors gained access to ...

  • Ransomware hits e-commerce platform X-Cart

    November 9, 2020

    E-commerce software vendor X-Cart suffered a ransomware attack at the end of October that brought down customer stores hosted on the company’s hosting platform. The incident is believed to have taken place after attackers exploited a vulnerability in a third-party software to gain access to X-Cart’s store hosting systems. “We have identified what we believed to have ...

  • Gitpaste-12 malware wants to add your Linux servers and IoT devices to its botnet

    November 9, 2020

    A new form of malware is targeting Linux servers and Internet of Things (IoT) devices and adding them to a botnet in what appears to be the first stage of a hacking campaign targeting cloud computing infrastructure – although the purpose of the attacks remains unclear. Uncovered by cybersecurity researchers at Juniper Threat Labs, the malicious ...

  • New Slipstream NAT bypass attacks to be blocked by browsers

    November 9, 2020

    Web browser vendors are planning to block a new attack technique that would allow attackers to bypass a victim’s NAT, firewall, or router to gain access to any TCP/UDP service hosted on their devices. The attack method, dubbed NAT Slipstreaming, was discovered by security researcher Samy Kamkar and it requires the victims to visit the threat ...

  • FBI: Hackers stole source code from US government agencies and private companies

    November 7, 2020

    The Federal Bureau of Investigation has sent out a security alert warning that threat actors are abusing misconfigured SonarQube applications to access and steal source code repositories from US government agencies and private businesses. Intrusions have taken place since at least April 2020, the FBI said in an alert sent out last month and made public ...