malware

Pierluigi Paganini June 06, 2018
HR Software company PageUp victim of a Data Breach, experts fear a domino effect

HR Software Firm PageUp is the last victim of a data breach, the company has 2.6 million active users across over 190 countries. Another day another data breach makes the headlines, this time the victim is the HR Software Firm PageUp. PageUp is an Australian company with 2.6 million active users across over 190 countries. The company […]

Pierluigi Paganini June 05, 2018
The author of the Sigrun Ransomware decrypts Russian victims’ files for free

The author of the Sigrun Ransomware is providing the decryption key to Russian victims for free, others have to pay a ransom of $2,500 worth of Bitcoin or Dash for the victims. We have reported several cases where Russian malware authors avoid infecting computers in their country, but the case we are going to discuss is […]

Pierluigi Paganini June 03, 2018
Imperva’s research shows 75% of open Redis servers are infected

According to the security experts at Imperva firm, three open Redis servers out of four are infected with malware. The discovery is the result of analysis conducted by running Redis-based honeypot servers for some months. Since their initial report on the RedisWannaMine attack that propagates through open Redis and Windows servers, the experts from Imperva have discovered a new […]

Pierluigi Paganini June 03, 2018
Security Affairs newsletter Round 165 – News of the week

A new round of the weekly SecurityAffairs newsletter arrived! The best news of the week with Security Affairs. Let me inform you that my new book, “Digging in the Deep Web” is online Kindle Edition Paper Copy Once again thank you! ·      A bug in T-Mobile site allowed anyone see any customers account details ·      […]

Pierluigi Paganini June 02, 2018
Experts believe the botmaster of the VPNFilter is attempting to resume the botnet

Experts from security firms GreyNoise Intelligence and JASK believe that the threat actor behind the VPNFilter is now attempting to resume the botnet with a new wave of infections. A week ago security experts and law enforcement bodies reported the existence of a huge Russia-linked botnet tracked as VPNFilter. The botnet infected over 500,000 routers and […]

Pierluigi Paganini June 01, 2018
Crooks expand the original Mirai botnet code base with new capabilities and improvements

Cybercriminals continue to improve the infamous Mirai botnet by adding new exploits and functionalities, experts warn new dangerous variant will appear in the wild. According to Netscout’s Arbor Security Engineering and Response Team (ASERT), cybercriminals continue to improve the dreaded Mirai IoT botnet by adding new exploits and functionalities. The time to market of new Mirai botnet […]

Pierluigi Paganini May 30, 2018
US-CERT issued an alert on two malware associated with North Korea-linked APT Hidden Cobra

The Department of Homeland Security (DHS) and the FBI issued a joint Technical alert on two strain on malware, the Joanap backdoor Trojan and Brambul Server Message Block worm, associated with the HIDDEN COBRA North Korea-linked APT group. The US-CERT alert reads: “Working with U.S. government partners, DHS and FBI identified Internet Protocol (IP) addresses and other indicators […]

Pierluigi Paganini May 30, 2018
New Banking Trojan MnuBot uses SQL Server for Command and Control

Researchers at IBM X-Force Research team discovered a new Delphi-based banking Trojan dubbed MnuBot that leverages Microsoft SQL Server for communication with the command and control (C&C). The MnuBot Trojan implements a two-stage attack flow, it is composed of two main components that are tasked for the two stages. In the first stage, the malware searches for a file […]

Pierluigi Paganini May 28, 2018
Researchers And The FBI Work Together to Take Down the Russian VPNFilter Botnet Targeting Home Routers

Researchers and the FBI are working together to take down the dreaded VPNFilter botnet composed of hundreds of thousands of compromised devices. For several months, there have been rumors and vague warnings about highly skilled adversaries targeting critical infrastructure. Last week we learned some details about the warning, why you might be impacted and how […]

Pierluigi Paganini May 28, 2018
MalHide Malware uses the compromised system as an eMail relay

The cybersecurity experts Marco Ramilli analyzed a new sample of malware dubbed MalHide that implements a quite new attack path to use the compromised system as eMail relay in order to hide the attacker networks. Today I’d like to share an interesting (at least to me) analysis on a given sample. I have called this sample MalHide but […]