The North Korea-linked ScarCruft group has been attributed to a previously undocumented backdoor called Dolphin that the threat actor has used against targets located in its southern counterpart. "The backdoor [...] has a wide range of spying capabilities, including monitoring drives and portable devices and exfiltrating files of interest, keylogging and taking screenshots, and … [Read more...] about North Korea Hackers Using New “Dolphin” Backdoor to Spy on South Korean Targets
Hackers
Nighthawk Likely to Become Hackers’ New Post-Exploitation Tool After Cobalt Strike
A nascent and legitimate penetration testing framework known as Nighthawk is likely to gain threat actors' attention for its Cobalt Strike-like capabilities. Enterprise security firm Proofpoint said it detected the use of the software in mid-September 2022 with a number of test emails sent using generic subject lines such as "Just checking in" and "Hope this works2." However, … [Read more...] about Nighthawk Likely to Become Hackers’ New Post-Exploitation Tool After Cobalt Strike
Microsoft Warns of Hackers Using Google Ads to Distribute Royal Ransomware
A developing threat activity cluster has been found using Google Ads in one of its campaigns to distribute various post-compromise payloads, including the recently discovered Royal ransomware. Microsoft, which spotted the updated malware delivery method in late October 2022, is tracking the group under the name DEV-0569. "Observed DEV-0569 attacks show a pattern of continuous … [Read more...] about Microsoft Warns of Hackers Using Google Ads to Distribute Royal Ransomware
Microsoft Blames Russian Hackers for Prestige Ransomware Attacks on Ukraine and Poland
Microsoft on Thursday attributed the recent spate of ransomware incidents targeting transportation and logistics sectors in Ukraine and Poland to a threat cluster that shares overlaps with the Russian state-sponsored Sandworm group. The attacks, which were disclosed by the tech giant last month, involved a strain of previously undocumented malware called Prestige and is said to … [Read more...] about Microsoft Blames Russian Hackers for Prestige Ransomware Attacks on Ukraine and Poland
Microsoft Warns of Uptick in Hackers Leveraging Publicly-Disclosed 0-Day Vulnerabilities
Microsoft is warning of an uptick in the nation-state and criminal actors increasingly leveraging publicly-disclosed zero-day vulnerabilities for breaching target environments. The tech giant, in its 114-page Digital Defense Report, said it has "observed a reduction in the time between the announcement of a vulnerability and the commoditization of that vulnerability," making it … [Read more...] about Microsoft Warns of Uptick in Hackers Leveraging Publicly-Disclosed 0-Day Vulnerabilities
Researchers Find Links b/w Black Basta Ransomware and FIN7 Hackers
A new analysis of tools put to use by the Black Basta ransomware operation has identified ties between the threat actor and the FIN7 (aka Carbanak) group. This link "could suggest either that Black Basta and FIN7 maintain a special relationship or that one or more individuals belong to both groups," cybersecurity firm SentinelOne said in a technical write-up shared with The … [Read more...] about Researchers Find Links b/w Black Basta Ransomware and FIN7 Hackers
Twilio Reveals Another Breach from the Same Hackers Behind the August Hack
Communication services provider Twilio this week disclosed that it experienced another "brief security incident" in June 2022 perpetrated by the same threat actor behind the August hack that resulted in unauthorized access of customer information. The security event occurred on June 29, 2022, the company said in an updated advisory shared this week, as part of its probe into … [Read more...] about Twilio Reveals Another Breach from the Same Hackers Behind the August Hack
Black Basta Ransomware Hackers Infiltrates Networks via Qakbot to Deploy Brute Ratel C4
The threat actors behind the Black Basta ransomware family have been observed using the Qakbot trojan to deploy the Brute Ratel C4 framework as a second-stage payload in recent attacks. The development marks the first time the nascent adversary simulation software is being delivered via a Qakbot infection, cybersecurity firm Trend Micro said in a technical analysis released … [Read more...] about Black Basta Ransomware Hackers Infiltrates Networks via Qakbot to Deploy Brute Ratel C4
Hackers Using Vishing to Trick Victims into Installing Android Banking Malware
Malicious actors are resorting to voice phishing (vishing) tactics to dupe victims into installing Android malware on their devices, new research from ThreatFabric reveals. The Dutch mobile security company said it identified a network of phishing websites targeting Italian online-banking users that are designed to get hold of their contact details. Telephone-oriented attack … [Read more...] about Hackers Using Vishing to Trick Victims into Installing Android Banking Malware
Hackers Exploiting Unpatched RCE Flaw in Zimbra Collaboration Suite
A severe remote code execution vulnerability in Zimbra's enterprise collaboration software and email platform is being actively exploited, with no patch currently available to remediate the issue. The shortcoming, assigned CVE-2022-41352, carries a critical-severity rating of CVSS 9.8, providing a pathway for attackers to upload arbitrary files and carry out malicious actions … [Read more...] about Hackers Exploiting Unpatched RCE Flaw in Zimbra Collaboration Suite