Bringing Access Back — Initial Access Brokers Exploit F5 BIG-IP (CVE-2023-46747) and ScreenConnect

During the course of an intrusion investigation in late October 2023, Mandiant observed novel N-day exploitation of CVE-2023-46747 affecting F5 BIG-IP Traffic Management User Interface. Additionally, in February 2024, Mandiant researchers observed exploitation of Connectwise ScreenConnect CVE-2024-1709 by the same Read More …

Carderbee: APT Group use Legit Software in Supply Chain Attack Targeting Orgs in Hong Kong

A previously unknown advanced persistent threat (APT) group used the legitimate Cobra DocGuard software to carry out a supply chain attack with the goal of deploying the Korplug backdoor (aka PlugX) onto victim computers. In the course of this attack, Read More …

Spyder Loader: Malware Seen in Recent Campaign Targeting Organizations in Hong Kong

Symantec has observed a likely continuation of the Operation CuckooBees activity, this time targeting organizations in Hong Kong. Operation CuckooBees was first documented in May 2022 by researchers at Cybereason, who said the intelligence-gathering campaign had been operating under the Read More …

Aoqin Dragon hacking group quietly spied on their targets for 10 years

Researchers have discovered a stealthy espionage campaign by a most likely China-backed hacking group that has targeted government, education and telecommunication organizations since 2013. The attackers used a range of techniques to infect targets with malware, such as via malicious Read More …

Earth Lusca Employs Sophisticated Infrastructure, Varied Tools and Techniques

Since mid-2021, Trend Micro researchers have been investigating a rather elusive threat actor called Earth Lusca that targets organizations globally via a campaign that uses traditional social engineering techniques such as spear phishing and watering holes. The group’s primary motivation Read More …

Hong Kong firm becomes latest marketing company hit with REvil ransomware

Hong Kong marketing firm Fimmick has been hit with a ransomware attack, according to a British cybersecurity firm monitoring the situation. Fimmick has offices in Hong Kong and across China, serving several high-profile clients like McDonalds, Coca-Cola, Shell, Asus and Read More …

BlackBerry ties malware campaign targeting victims in India to Chinese cyberespionage group

The BlackBerry Research & Intelligence team released a new report on Tuesday linking disparate malware campaigns to Chinese cyberespionage group APT41, noting that the group has been taking advantage of Cobalt Strike activity using a bespoke Malleable C2 Profile that Read More …