Security News

New Rust-based SysJoker backdoor linked to Hamas hackers
2023-11-26 15:09

A new version of the multi-platform malware known as 'SysJoker' has been spotted, featuring a complete code rewrite in the Rust programming language. Examination of the new Rust-based variants by Check Point has established a connection between the previously unattributed backdoor and 'Operation Electric Powder,' which dates back to 2016-2017.

Hamas-Linked Cyberattacks Using Rust-Powered SysJoker Backdoor Against Israel
2023-11-24 10:31

Cybersecurity researchers have shed light on a Rust version of a cross-platform backdoor called SysJoker, which is assessed to have been used by a Hamas-affiliated threat actor to target Israel...

Novel backdoor persists even after critical Confluence vulnerability is patched
2023-11-14 11:00

A new backdoor was this week found implanted in the environments of organizations to exploit the recently disclosed critical vulnerability in Atlassian Confluence. The backdoor provides attackers remote access to a victim, both its Confluence server and other network resources, and is found to persist even after Confluence patches are applied.

Alert: 'Effluence' Backdoor Persists Despite Patching Atlassian Confluence Servers
2023-11-10 08:58

Cybersecurity researchers have discovered a stealthy backdoor named Effluence that's deployed following the successful exploitation of a recently disclosed security flaw in Atlassian Confluence Data Center and Server. "The malware acts as a persistent backdoor and is not remediated by applying patches to Confluence," Aon's Stroz Friedberg Incident Response Services said in an analysis published earlier this week.

BlueNoroff hackers backdoor Macs with new ObjCShellz malware
2023-11-07 20:26

The North Korean-backed BlueNorOff threat group targets Apple customers with new macOS malware tracked as ObjCShellz that can open remote shells on compromised devices. ObjCShellz is an Objective-C-based malware, quite different from other malicious payloads deployed in previous BlueNorOff attacks.

Turla Updates Kazuar Backdoor with Advanced Anti-Analysis to Evade Detection
2023-11-01 07:21

The Russia-linked hacking crew known as Turla has been observed using an updated version of a known second-stage backdoor referred to as Kazuar. The new findings come from Palo Alto Networks Unit...

Hackers backdoor Russian state, industrial orgs for data theft
2023-10-24 19:48

Several state and key industrial organizations in Russia were attacked with a custom Go-based backdoor that performs data theft, likely aiding espionage operations. Kaspersky first detected the campaign in June 2023, while in mid-August, the cybersecurity firm spotted a newer version of the backdoor that introduced better evasion, indicating ongoing optimization of the attacks.

Backdoor Implanted on Hacked Cisco Devices Modified to Evade Detection
2023-10-24 06:33

The backdoor implanted on Cisco devices by exploiting a pair of zero-day flaws in IOS XE software has been modified by the threat actor so as to escape visibility via previous fingerprinting...

DoNot Team's New Firebird Backdoor Hits Pakistan and Afghanistan
2023-10-23 11:34

The threat actor known as DoNot Team has been linked to the use of a novel .NET-based backdoor called Firebird targeting a handful of victims in Pakistan and Afghanistan. Cybersecurity company...

Hackers update Cisco IOS XE backdoor to hide infected devices
2023-10-22 17:37

The number of Cisco IOS XE devices detected with a malicious backdoor implant has plummeted from over 50,000 impacted devices to only a few hundred after the attackers updated the backdoor to hide infected systems from scans. This week, Cisco warned that hackers exploited two zero-day vulnerabilities, CVE-2023-20198 and CVE-2023-20273, to hack over 50,000 Cisco IOS XE devices to create privileged user accounts and install a malicious LUA backdoor implant.