
New APT Hacking Group Targets Microsoft IIS Servers with ASP.NET Exploits
A new highly capable and persistent threat actor has been targeting major high-profile public and private entities in the U.S. as part of a series of targeted cyber intrusion attacks by exploiting internet-facing Microsoft Internet Information Services (IIS) servers to infiltrate their networks.
Israeli cybersecurity firm Sygnia, which identified the campaign, is tracking the advanced, stealthy adversary under the moniker “Praying Mantis” or “TG2021.”
“TG1021 uses a custom-made malware framework, built around a common core, tailor-made for IIS servers. The toolset is completely volatile, reflectively loaded into an affected machine’s memory and leaves little-to-no trace on infected targets,” the researchers said. “The threat actor also uses an additional stealthy backdoor and several post-exploitations modules to perform network reconnaissance, elevate privileges, and move laterally within networks.”
images from Hacker News
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