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:

  • UK and White House blame China for Microsoft Exchange Server hack

    July 19, 2021

    The UK government has formally laid the blame for the Microsoft Exchange Server cyberattack at the feet of China. On Monday, the government joined others — including the victim company itself, Microsoft — in claiming the cyberattack was the work of Chinese state-sponsored hackers, namely Hafnium, an advanced persistent threat (APT) group. The United States, NATO, and ...

  • Ecuador’s state-run CNT telco hit by RansomEXX ransomware

    July 17, 2021

    Ecuador’s state-run Corporación Nacional de Telecomunicación (CNT) has suffered a ransomware attack that has disrupted business operations, the payment portal, and customer support. CNT is Ecuador’s state-run telecommunication carrier that offers fixed-line phone service, mobile, satellite TV, and internet connectivity. Read more… Source: Bleeping Computer  

  • Microsoft: New Unpatched Bug in Windows Print Spooler

    July 16, 2021

    Another vulnerability separate from PrintNightmare allows for local elevation of privilege and system takeover. Microsoft has warned of yet another vulnerability that’s been discovered in its Windows Print Spooler that can allow attackers to elevate privilege to gain full user rights to a system. The advisory comes on the heels of patching two other remote code-execution ...

  • Bug bounty platform urges need for firms to have vulnerability disclosure policy

    July 16, 2021

    Organisations should provide a proper channel through which anyone can report vulnerabilities in their systems. This will ensure potential security holes can be identified and plugged before they are exploited. Establishing a vulnerability disclosure policy (VDP) also would provide assurance to anyone, such as security researchers, acting in good faith that they would not face prosecution ...

  • Windows 0-Days Used Against Dissidents in Israeli Broker’s Spyware

    July 16, 2021

    A set of unique spyware strains created by an Israeli firm and allegedly used by governments around the world to surveil dissidents has been defanged by Microsoft, the software giant said. The private company, called variously Candiru, Grindavik, Saito Tech and Taveta (and dubbed “Sourgum” by Microsoft), reportedly sells its wares exclusively to governments, according to ...

  • Toddler mobile banking malware surges across Europe

    July 16, 2021

    Researchers have provided a deep dive into Toddler, a new Android banking Trojan that is surging across Europe. In a report shared with ZDNet, the PRODAFT Threat Intelligence (PTI) team said that the malware, also known as TeaBot/Anatsa, is part of a rising trend of mobile banking malware attacking countries, including Spain, Germany, Switzerland, and the ...