Malware

Pierluigi Paganini May 30, 2019
Nansh0u campaign already infected 50,000 MS-SQL and PHPMyAdmin Servers

Guardicore Labs uncovered a widespread cryptojacking campaign tracked as Nansh0u and aimed at Windows MS-SQL and PHPMyAdmin servers. Security experts at Guardicore Labs uncovered a widespread cryptojacking campaign leveraging a malware dubbed Nansh0u. The malicious code aimed at Windows MS-SQL and PHPMyAdmin servers worldwide. According to the experts, the malicious campaign is being carried out […]

Pierluigi Paganini May 29, 2019
HawkEye Keylogger is involved in attacks against business users

Experts at IBM X-Force observed a new campaign involving the HawkEye keylogger in April and May 2019 aimed at business users.  Malware attacks leveraging a new variant of the HawkEye keylogger have been observed by experts at Talos. The malware has been under active development since at least 2013 and it is offered for sale […]

Pierluigi Paganini May 28, 2019
Shade Ransomware is very active outside of Russia and targets more English-speaking victims

Experts at PaloAlto Networks spotted a new Shade ransomware campaigns targeting news countries, including in the U.S. and Japan. Researchers observed a new wave of Shade ransomware attacks against targets in several countries, including the US and Japan. Shade is considered one of the most dangerous threats in the cyber crime scenario, it has been active […]

Pierluigi Paganini May 27, 2019
Crooks leverages .htaccess injector on Joomla and WordPress sites for malicious redirects

Security researchers are monitoring a new hacking campaign aimed at Joomla and WordPress websites, attackers used .htaccess injector for malicious redirect. Researchers at Sucuri are warning Joomla and WordPress websites admins of malicious hypertext access (.htaccess) injector found on a client website. The website was used by attackers to redirect traffic to advertising sites that […]

Pierluigi Paganini May 26, 2019
Sectigo says that most of certificates reported by Chronicle analysis were already revoked

According to Sectigo, most of the certificates used to sign the malware submitted to VirusTotal and issued by the company were expired and were already revoked. This week experts at Chronicle published a study on signed malware registered on VirusTotal that states that most of the digital certificates used to sign malware samples found on […]

Pierluigi Paganini May 26, 2019
Security Affairs newsletter Round 215 – News of the week

A new round of the weekly SecurityAffairs newsletter arrived! The best news of the week with Security Affairs. Kindle Edition Paper Copy If you appreciate my effort in spreading cybersecurity awareness, please vote for Security Affairs in the section “Your Vote for the Best EU Security Tweeter” https://www.surveymonkey.com/r/EUBloggerAwards2018 Dutch intelligence investigate alleged Huawei ‘backdoor Salesforce […]

Pierluigi Paganini May 25, 2019
Hackers target MySQL databases to deliver the GandCrab ransomware

Security experts at Sophos have detected a wave of attacks targeting Windows servers that are running MySQL databases with the intent of delivering the GandCrab ransomware Sophos researchers have observed a wave of attacks targeting Windows servers that are running MySQL databases, threat actors aim at delivering the GandCrab ransomware. This is the first time […]

Pierluigi Paganini May 24, 2019
Chronicle’s study reveals CAs that issued most certificates to sign malware samples on VirusTotal

Most of the digital certificates used to sign malware samples found on VirusTotal have been issued by the Certificate Authority (CA) Comodo CA. Most of the digital certificates used to sign malware samples found on VirusTotal in 2018 have been issued by the Certificate Authority (CA) Comodo CA (aka Sectigo). Chronicle’s security researchers have analyzed […]

Pierluigi Paganini May 23, 2019
Playing Cat and Mouse: Three Techniques Abused to Avoid Detection

The experts at Yoroi-Cybaze Zlab described three techniques commonly implemented by threat actors to avoid detection. Introduction During our analysis we constantly run into the tricks cyber-attackers use to bypass companies security defences, sometimes advanced, others not. Many times, despite their elegance (or lack of it), these techniques are effective and actually help the cyber […]

Pierluigi Paganini May 22, 2019
Emsisoft released a free Decrypter for the GetCrypt ransomware

For the second time in a few days, experts at Emsisoft released a free decrypter, this time to help victims of the GetCrypt ransomware. Security experts at Emsisoft released a new decrypted in a few days, it could be used for free by victims of the GetCrypt ransomware to decrypt their files encrypted by the malware. The […]