Malware

Pierluigi Paganini December 23, 2021
Crooks bypass a Microsoft Office patch for CVE-2021-40444 to spread Formbook malware

Crooks discovered how to bypass the patch for a recent Microsoft Office vulnerability (CVE-2021-40444) and are using it to distribute Formbook malware. Cybercriminals have found a way to bypass the patch for a recent Microsoft Office vulnerability tracked as CVE-2021-40444 (CVSS score of 8.8). The bad news is that threat actors are using it to […]

Pierluigi Paganini December 22, 2021
PYSA ransomware gang is the most active group in November

PYSA and Lockbit were the most active ransomware gangs in the threat landscape in November 2021, researchers from NCC Group report. Security researchers from NCC Group reported an increase in ransomware attacks in November 2021 over the past month, and PYSA (aka Mespinoza) and Lockbit were the most active ransomware gangs. Experts observed a 400% […]

Pierluigi Paganini December 22, 2021
A new version of the Abcbot bot targets Chinese cloud providers

Researchers spotted a new botnet named Abcbot hat that mainly targeted Chinese cloud hosting providers over the past months. Security researchers discovered a new botnet, named Abcbot, that focused on Chinese cloud hosting providers over the past months. The list of targeted providers includes Alibaba Cloud, Baidu, Tencent, and Huawei Cloud. In November, researchers from […]

Pierluigi Paganini December 21, 2021
Log4j Vulnerability Aftermath

Uptycs researchers have observed attacks related to miners, DDOS malware and some variants of ransomware actively leveraging LogforShell flaw in log4j. Last week the Log4j vulnerability turned the internet upside down. The impact of the vulnerability is massive and attackers have started taking advantage of the flaw. So far we have observed attacks related to […]

Pierluigi Paganini December 20, 2021
DarkWatchman RAT uses Windows Registry fileless storage mechanism

DarkWatchman is a new lightweight javascript-based Remote Access Trojan (RAT) that uses novel methods for fileless persistence. Recently Prevailion experts detected a malicious javascript-based Remote Access Trojan (RAT) dubbed DarkWatchman that uses a robust Domain Generation Algorithm (DGA) to contact the C2 infrastructure and novel methods for fileless persistence, on-system activity, and dynamic run-time capabilities […]

Pierluigi Paganini December 20, 2021
Alleged APT implanted a backdoor in the network of a US federal agency

An alleged APT group planted a backdoor in the network of a U.S. federal government commission associated with international rights. Experts spotted a backdoor in the network of an unnamed U.S. federal government commission associated with international rights. The backdoor allowed the threat actors to achieve complete control over the infected networks, experts described the […]

Pierluigi Paganini December 19, 2021
TellYouThePass ransomware resurges and exploits Log4Shell in recent attacks

The TellYouThePass ransomware resurged and exploits the Apache Log4j flaw (Log4Shell) to target both Linux and Windows systems. Researchers from KnownSec 404 Team and Sangfor Threat Intelligence Team reported that the TellYouThePass ransomware resurged and is exploiting the Apache Log4j CVE-2021-44228 flaw to target both Linux and Windows systems. “On December 13, Sangfor’s terminal security […]

Pierluigi Paganini December 17, 2021
Conti ransomware gang exploits Log4Shell bug in its operations

The Conti ransomware gang is the first ransomware operation exploiting the Log4Shell vulnerability to target VMware vCenter Servers. Conti ransomware gang is the first professional race that leverages Log4Shell exploit to compromise VMware vCenter Server installs. The ransomware group used the exploit to target internal devices that are not protected. Conti operators run a private Ransomware-as-a-Service (RaaS), […]

Pierluigi Paganini December 17, 2021
Phorpiex botnet is back, in 2021 it $500K worth of crypto assets

Experts reported the resurgence of the Phorpiex botnet, in one year it allowed to steal crypto assets worth of half a million dollars. Experts at Check Point Research have monitored the resurgence of the Phorpiex botnet, an old threat that was involved in sextortion spam campaigns, crypto-jacking, cryptocurrency clipping (substituting the original wallet address saved in […]

Pierluigi Paganini December 17, 2021
PseudoManuscrypt, a mysterious massive cyber espionage campaign

Tens of thousands of devices worldwide, including many industrial control systems (ICS), have been hit by the PseudoManuscrypt spyware. Kaspersky researchers reported that tens of thousands of devices belonging to industrial and government organizations worldwide have been hit by the PseudoManuscrypt spyware. The name PseudoManuscrypt comes from the similarities with the Manuscrypt malware used by the North Korea-linked […]