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:

  • UHS hospital network hit by ransomware attack

    September 28, 2020

    Universal Health Services (UHS), a Fortune 500 company and one of the largest healthcare providers in the US, has been impacted by a ransomware attack over the weekend. UHS hospitals have been operating without internal IT systems since Sunday morning, according to employees and patients who took to social media today. Some patients have been turned away ...

  • Joker Trojans Flood the Android Ecosystem

    September 28, 2020

    More variants of the Joker Android malware are cropping up in Google Play as well as third-party app stores, in a trend that researchers say points to a relentless targeting of the Android mobile platform. Researchers at Zscaler have found 17 different samples of Joker being regularly uploaded to Google Play during September. Collectively, these have ...

  • Microsoft disrupts nation-state hacker op using Azure Cloud service

    September 25, 2020

    In a report this week, Microsoft said that it disrupted operations of a nation-state threat group that was using its Azure cloud infrastructure for cyber attacks. Microsoft refers to the actor by the name Gadolinium and says that it’s been active for about a decade targeting organizations in the maritime and health industry; more recently, the ...

  • The Windows XP source code was allegedly leaked online

    September 25, 2020

    The source code for Windows XP SP1 and other versions of the operating system was allegedly leaked online today. The leaker claims to have spent the last two months compiling a collection of leaked Microsoft source code. This 43GB collection was then released today as a torrent on the 4chan forum . Included in this torrent is ...

  • Update now: Cisco warns over 25 high-impact flaws in its IOS and IOS XE software

    September 25, 2020

    Cisco has alerted customers using its IOS and ISO XE networking gear software to apply updates for 34 flaws across 25 high-severity security advisories. The large number of flaws affecting ISO and ISO XE are due to the advisories being announced as part of Cisco’s semi-annual release for the widely used software for Cisco routers and ...

  • CISA says a hacker breached a federal agency

    September 24, 2020

    A hacker has gained access and exfiltrated data from a federal agency, the Cybersecurity and Infrastructure Security Agency (CISA) said on Thursday. The name of the hacked federal agency, the date of the intrusion, or any details about the intruder, such as an industry codename or state affiliation, were not disclosed. CISA officials revealed the hack after ...