In late May 2024, Unit 42 researchers observed an adversary compromising multiple web servers to gain access to the environment of a multinational organization headquartered in North America.
Based on overlaps in adversary infrastructure and tools, as well as tactics, techniques and procedures (TTPs), it’s possible to attribute the activity identified to the same threat actor behind the Silent Skimmer campaign. In September 2023, an online payment scraping campaign was uncovered and dubbed Silent Skimmer. Since then, there has been little to no news of Silent Skimmer – until now.
Read more…
Source: Palo Alto Unit 42
Related:
- Stopping Chinese cyberattacks is officially now the biggest priority for US security forces
June 25, 2024
The US Department of Homeland Security (DHS) has shuffled its priorities to place battling the “cyber and other threats posed by the People’s Republic of China” at the top of the list, at least until the end of 2025. China has been conducting numerous cyber attacks against US infrastructure, particularly focussing on internet-facing endpoints within water ...
- Chinese hackers have stepped up attacks on Taiwanese organizations
June 24, 2024
A suspected Chinese state-sponsored hacking group has stepped up its targeting of Taiwanese organizations, particularly those in sectors such as government, education, technology and diplomacy, according to cybersecurity intelligence company Recorded Future. RedJuliett has targeted Taiwanese organizations in the past, but this is the first time that activity was seen at such a scale, a Recorded ...
- Social Engineering Tactics Targeting Healthcare & Public Health Entities and Providers
June 24, 2024
Access to employees’ email accounts, and then pivoted to specifically target login information related to the processing of reimbursement payments to insurance companies, medicare, or similar entities. To gain initial access to victim networks, the threat actor acquired credentials through social engineering or phishing. In some observed instances, the threat actor called an organization’s IT Help ...
- XZ backdoor: Hook analysis
June 24, 2024
In their first article on the XZ backdoor, Kaspersky researchers analyzed its code from initial infection to the function hooking it performs. As they mentioned then, its initial goal was to successfully hook one of the functions related to RSA key manipulation. In this article, the research team will focus on the backdoor’s behaviour inside OpenSSH, ...
- Change Healthcare confirms the customer data stolen in ransomware attack
June 24, 2024
For the first time since news broke about a ransomware attack on Change Healthcare, the company has released details about the data stolen during the attack. First, a quick refresher: On February 21, 2024, Change Healthcare experienced serious system outages due to a cyberattack. The incident led to widespread billing outages, as well as disruptions at ...
- Fictitious Law Firms Targeting Cryptocurrency Scam Victims Offering to Recover Funds
June 24, 2024
The Federal Bureau of Investigation (FBI) is issuing this announcement to inform the public of an emerging criminal tactic used to further defraud cryptocurrency scam victims. This PSA is an update to Alert Number I-081123-PSA, published on 08/11/2023, titled, “Increase in Companies Falsely Claiming an Ability to Recover Funds Lost in Cryptocurrency Investment Scams.” Using social ...