Recently, Check Point Research observed threat actors using GitHub to achieve initial infections by utilizing new methods.
Previously, GitHub was used to distribute malicious software directly, with a malicious script downloading either raw encrypted scripting code or malicious executables. Their tactics have now changed and evolved. Threat actors now operate a network of “Ghost” accounts that distribute malware via malicious links on their repositories and encrypted archives as releases. This network not only distributes malware but also provides various other activities that make these “Ghost” accounts appear as normal users.
Read more…
Source: Check Point
Related:
- Adversary Infrastructure Report 2020: A Defender’s View
January 8, 2021
Recorded Future tracks the creation and modification of new malicious infrastructure for a multitude of post-exploitation toolkits, custom malware frameworks, and open-source remote access trojans. The effort has been ongoing since 2017, when Insikt Group created methodologies to identify the deployments of open-source remote access trojans (RATs). Recorded Future collected over 10,000 unique command and control ...
- TA551: Email Attack Campaign Switches from Valak to IcedID
January 7, 2021
TA551 (also known as Shathak) is an email-based malware distribution campaign that often targets English-speaking victims. The campaign discussed in this blog has targeted German, Italian and Japanese speakers. TA551 has historically pushed different families of information-stealing malware like Ursnif and Valak. After mid-July 2020, this campaign has exclusively pushed IcedID malware, another information stealer. This ...
- FBI warns of Egregor ransomware extorting businesses worldwide
January 7, 2021
The US Federal Bureau of Investigation (FBI) has sent a security alert warning private sector companies that the Egregor ransomware operation is actively targeting and extorting businesses worldwide. The FBI says in a TLP:WHITE Private Industry Notification (PIN) shared on Wednesday that Egregor claims to have already hit and compromised more than over 150 victims since ...
- Ryuk gang estimated to have made more than $150 million from ransomware attacks
January 7, 2021
The operators of the Ryuk ransomware are believed to have earned more than $150 million worth of Bitcoin from ransom payments following intrusions at companies all over the world. In a joint report published today, threat intel company Advanced Intelligence and cybersecurity firm HYAS said they tracked payments to 61 Bitcoin addresses previously attributed and linked ...
- Expanding Range and Improving Speed: A RansomExx Approach
January 6, 2021
RansomExx, a ransomware variant responsible for several high-profile attacks in 2020, has shown signs of further development and unhampered activity. The most recently reported development involves the use of newer variants adapted for Linux servers that effectively expanded its range to more than Windows servers. Own monitoring efforts found RansomExx compromising companies in the United States, ...
- Cyberattacks on Healthcare Spike 45% Since November
January 5, 2021
As COVID-19 ravages international healthcare systems, cybercriminals have decided to leverage the increasingly dire circumstances to squeeze a few bucks out of the human suffering. According to new findings from Check Point Software, healthcare organizations have seen a 45-percent increase in cyberattacks since November, which is more than double other industry sectors, which a average 22-percent ...