In June 2024, Kaspersky discovered a macOS version of the HZ Rat backdoor targeting users of the enterprise messenger DingTalk and the social network and messaging platform WeChat.
The samples Kaspersky found almost exactly replicate the functionality of the Windows version of the backdoor and differ only in the payload, which is received in the form of shell scripts from the attackers’ server. The researchers noticed that some versions of the backdoor use local IP addresses to connect to C2, which led us to believe the threat may be targeted. This also points to an intention to exploit the backdoor for lateral movement through the victim’s network.
Read more…
Source: Kaspersky
Related:
- Report: Nation state hackers and cyber criminals are spoofing each other
October 4, 2019
Nation-state hackers and cyber criminals are increasingly impersonating each other to try and hide their tracks as part of advanced attack techniques says Optiv Security in its 2019 Cyber Threat Intelligence Estimate report. The top industries being targeted are retail, healthcare, government and financial institutions. Cryptojacking and ransomware are new exploits that join the traditional list of computer ...
- New Reductor Malware Hijacks HTTPS Traffic
October 3, 2019
Researchers have discovered a new malware strain, dubbed Reductor, that allows hackers to manipulate Hypertext Transfer Protocol Secure (HTTPS) traffic by tweaking a browser’s random numbers generator, used to ensure a private connection between the client and server. Once infected, Reductor is used to spy on a victim’s browser activity, said the Global Research and Analysis Team (GReAT) ...
- PKPLUG: Chinese Cyber Espionage Group Attacking Asia
October 3, 2019
For three years, Unit 42 has tracked a set of cyber espionage attack campaigns across Asia, which used a mix of publicly available and custom malware. Unit 42 created the moniker “PKPLUG” for the threat actor group, or groups, behind these and other documented attacks referenced later in this report. We say group or groups ...
- The Eye on the Nile
October 3, 2019
Back in March 2019, Amnesty International published a report that uncovered a targeted attack against journalists and human rights activists in Egypt. The victims even received an e-mail from Google warning them that government-backed attackers attempted to steal their passwords. According to the report, the attackers did not rely on traditional phishing methods or credential-stealing payloads, but rather ...
- Hack Breaks PDF Encryption, Opens Content to Attackers
October 2, 2019
Researchers in Germany have invented a new hack that can allow someone to break the encryption of PDF files and access their content — or even forge signed PDF files under certain circumstances. A team from Ruhr University Bochum, FH Münster University of Applied Sciences and Hackmanit GmbH developed the attack, called PDFex, that can allow an attacker to view the ...
- HQWar: the higher it flies, the harder it drops
October 2, 2019
Mobile dropper Trojans are one of today’s most rapidly growing classes of malware. In Q1 2019, droppers are in the 2nd or 3rd position in terms of share of total detected threats, while holding nearly half of all Top 20 places in 2018. Since the droppers’ main task is to deliver payload while sidestepping the ...