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Mysterious hackers ingenuously reveal two Zero-Days to security community

Zero-days-exploits
Mysterious hackers ingenuously reveal two zero-days to the security community, experts collaborated to promptly fix them.

Anton Cherepanov, security expertform ESET researcher, discovered twozero-days while analyzing a malicious PDF, according to the researcher the mysterious hacker(s) were still working on the exploits.

Themalicious PDF was discovered late in March 2018 (Two suspicious PDF samples zero-day 1,zero-day 2), the analysis of the document revealed itwas exploiting two previously unknown vulnerabilities, a remote-code execution vulnerability in Adobe Reader and a Windows privilege escalation flaw.

“The use of the combined vulnerabilities is extremely powerful, as it allows an attacker to execute arbitrary code with the highest possible privileges on the vulnerable target, and with only the most minimal of user interaction. APT groups regularly use such combinations to perform their attacks, such as in theSednit campaign from last year.” reads the analysis...(continued)

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