Iranian hackers target energy sector with new DNS backdoor
The Iranian Lycaeum APT hacking group uses a new .NET-based DNS backdoor to conduct attacks on companies in the energy and telecommunication sectors. [...]
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Background for this topic.
Hacking is the use of technical methods to access, alter, disrupt, or examine computer systems and data, either with authorization or without it. In security reporting, the term usually covers unauthorized exploitation of software flaws, exposed services, weak credentials, misconfigurations, and sometimes human trust through phishing or other social engineering.
Its security significance depends on the attacker’s access and objective: a compromised internet-facing system may enable data theft, unauthorized changes, or movement into other systems, while a benign penetration test can reveal the same weaknesses before they are abused. Defenders reduce exposure through timely vulnerability management, secure configuration, strong authentication, network and endpoint monitoring, and tested incident-response procedures. Useful reporting distinguishes confirmed compromise from attempted or suspected activity and identifies the exploited entry point, affected assets, and whether access was contained.
The Iranian Lycaeum APT hacking group uses a new .NET-based DNS backdoor to conduct attacks on companies in the energy and telecommunication sectors. [...]
A cryptomining hacking group has been observed exploiting the recently disclosed remote code execution flaw in Atlassian Confluence servers to install miners on vulnerable servers. [...]
A previously unknown Chinese-speaking threat actor has been uncovered by threat analysts SentinelLabs who were able to link it to malicious activity going as far back as 2013. [...]