The number of threat actors leveraging legitimate cloud services in their attacks has grown this year as attackers have begun to realize their potential to provide low-key and low-cost infrastructure.
Traffic to and from well known, trusted services such as Microsoft OneDrive or Google Drive may be less likely to raise red flags than communications with attacker-controlled infrastructure. In the past few weeks alone, Symantec’s Threat Hunter Team has identified three further espionage operations using cloud services and found evidence of further tools in development.
Read more…
Source: Symantec
Related:
- Hackers Use Fake NordVPN Website to Deliver Banking Trojan
August 19, 2019
The attackers who previously breached and abused the website of free multimedia editor VSDC to distribute the Win32.Bolik.2 banking Trojan have now switched their tactics. While previously they hacked legitimate websites to hijack download links infected with malware, the hackers are now creating website clones to deliver banking Trojans onto unsuspecting victims’ computers. This allows them to focus ...
- Router Network Isolation Broken By Covert Data Exfiltration
August 18, 2019
Software-based network isolation provided by routers is not as efficient as believed, as hackers can smuggle data between the networks for exfiltration. Most modern routers offer the possibility to split the network into multiple segments that work separately. One example is a guest network that works in parallel with the host. The boundary insulates sensitive or critical ...
- DanaBot banking Trojan jumps from Australia to Germany in quest for new targets
August 15, 2019
The DanaBot banking Trojan is on the move and has traveled across the sea in a pivot from its original focus on Australia to strike European targets. DanaBot was first discovered by Proofpoint researchers last year. The malware was observed striking Australian targets of financial value, but at the time, DanaBot appeared to come from only one threat ...
- Analysis: New Remcos RAT Arrives Via Phishing Email
August 15, 2019
In July, we came across a phishing email purporting to be a new order notification, which contains a malicious attachment that leads to the remote access tool Remcos RAT (detected by Trend Micro as BKDR_SOCMER.SM). This attack delivers Remcos using an AutoIt wrapper that incorporates various obfuscation and anti-debugging techniques to evade detection, which is ...
- Back-to-Back Campaigns: Neko, Mirai, and Bashlite Malware Variants Use Various Exploits to Target Several Routers, Devices
August 13, 2019
Within a span of three weeks, our telemetry uncovered three notable malware variants of Neko, Mirai, and Bashlite. On July 22, 2019, we saw and started analyzing a Neko botnet sample, then observed another sample with additional exploits the following week. A Mirai variant that calls itself “Asher” surfaced on July 30, then a Bashlite ...
- How Threat Intelligence Helps the Energy Sector Fight Cyberespionage
August 13, 2019
When it comes to cyber threats, some industries have it harder than others. Few are as heavily targeted by sophisticated cyberattacks as the energy sector. Over the last decade, state-sponsored hacking groups have routinely targeted utility networks and other energy providers for the purposes of espionage and disruption. And according to the latest research, advanced persistent threat (APT) ...