Security experts from Cybaze-Yoroi ZLab investigated two malicious spam campaigns delivering Java RAT that show some similarities. Introduction During the last weeks, the Cybaze-Yoroi ZLab researchers identified infection attempts aimed to install RAT malware directed to the naval industry sector. The malicious email messages contained a particular Adwind/JRat variant delivered via several methods tailored to […]
Security experts observed two distinct campaigns distributing the Ursnif malware, one of them also delivered the GandCrab ransomware. Experts pointed out that the cybercrime gangs behind the two campaigns are different, but they discovered many similarities in them. Attackers spread phishing messages using weaponized Microsoft Word document and leverages Powershell to deliver fileless malware. Ursnif is a banking […]
A still ongoing spam campaign that has been active during the last months has been distributing the Redaman banking malware. Experts at Palo Alto Networks continue to monitor an ongoing spam campaign that has been distributing the Redaman banking malware. The malware was first observed in the threat landscape in 2015, most of the victims […]
Bulgaria has extradited a Russian hacker that was indicted by a US court for mounting a sophisticated hacking scheme to the United States. According to the Russian embassy in Washington, the Russian hacker Alexander Zhukov was extradited on January 18. The Russian embassy has chosen to disclose the news on the VK social network, the […]
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 with a special deal 20% discount Kindle Edition Paper Copy Once again thank you! TA505 Group adds new ServHelper Backdoor and FlawedGrace […]
Experts at Malwarebytes have reported that the code for the recently discovered Flash zero-day flaw was added to the Fallout Exploit kit. Experts at Malwarebytes observed a new version of the Fallout Exploit kit that include the code to exploit a recently discovered Flash zero-day vulnerability. The Fallout Exploit kit was discovered at the end […]
The City Hall of Del Rio, a city in and the county seat of Val Verde County, Texas, was hit by a ransomware attack, operations were suspended. Last week, the City Hall of Del Rio, a city in and the county seat of Val Verde County, Texas, was hit by a ransomware attack. On Thursday, tens of computers at […]
FireEye and CrowdStrike discovered that threat actors behind the Ryuk ransomware are working with another cybercrime gang to gain access to target networks. In August 2018, security experts from Check Point uncovered a ransomware-based campaign aimed at organizations around the world conducted by North Korea-linked threat actor. This is the first time that a security firm […]
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 with a special deal 20% discount Kindle Edition Paper Copy Once again thank you! Blur data leak potentially exposed data of 2.4 […]
Proofpoint analyzed two strains of malware tracked as ServHelper and FlawedGrace distributed through phishing campaigns by the TA505 crime gang. Security researchers at Proofpoint researchers discovered two strains of malware tracked as ServHelper and FlawedGrace distributed through phishing campaigns by the TA505 crime gang. The ServHelper is a backdoor, experts analyzed two variants of it, while […]