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Microsoft linked attacks on SharePoint flaws to China-nexus actors

Security Affairs

Violet Typhoon (aka APT31 , BRONZE VINEWOOD, JUDGMENT PANDA , Red keres, TA412 , ZIRCONIUM ) focuses on espionage against NGOs, media, and academia. Enable AMSI (Antimalware Scan Interface) in Full Mode and install Defender Antivirus on all SharePoint servers. Deploy Microsoft Defender for Endpoint to detect post-exploit activity.

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Microsoft fixes two SharePoint zero-days under attack, but one is still unresolved - how to patch

Zero Day

Active since 2012, Linen Typhoon specializes in stealing intellectual property, mainly targeting government, defense, strategic planning, and human rights organizations. Make sure that the Windows Antimalware Scan Interface (AMSI) is enabled and set up properly with an antivirus product such as Defender Antivirus.

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Chinese Antivirus Firm Was Part of APT41 ‘Supply Chain’ Attack

Krebs on Security

One of the alleged hackers was first profiled here in 2012 as the owner of a Chinese antivirus firm. One of the men indicted as part of APT41 — now 35-year-old Tan DaiLin — was the subject of a 2012 KrebsOnSecurity story that sought to shed light on a Chinese antivirus product marketed as Anvisoft. Image: FBI.

Antivirus 364
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Chinese hackers exploited a Trend Micro antivirus zero-day used in Mitsubishi Electric hack

Security Affairs

Chinese hackers have exploited a zero-day vulnerability the Trend Micro OfficeScan antivirus in the recently disclosed hack of Mitsubishi Electric. The two media outlets attribute the cyber attack to a China-linked cyber espionage group tracked as Tick (aka Bronze Butler ). Pierluigi Paganini.

Antivirus 145
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A Deep Dive Into the Residential Proxy Service ‘911’

Krebs on Security

Residential proxy services are often marketed to people seeking the ability to evade country-specific blocking by the major movie and media streaming providers. These two software are currently unknown to most if not all antivirus companies.” The Exe Clean service made malware look like goodware to antivirus products.

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U.S., U.K. Sanction 7 Men Tied to Trickbot Hacking Group

Krebs on Security

A New Jersey grand jury indicted Kovalev in 2012 after an investigation by the U.S. The 2012 indictment against Kovalev relates to cybercrimes he allegedly perpetrated prior to the creation of Trickbot. A copy of the now-unsealed 2012 indictment of Kovalev is here (PDF). The prosecution of Kovalev is being handled by the U.S.

Hacking 258
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Japanese defense contractors Pasco and Kobe Steel disclose security breaches

Security Affairs

Two Japanese media outlets attributed the cyber attack to a China-linked cyber espionage group tracked as Tick (aka Bronze Butler ). The attackers have exploited a directory traversal and arbitrary file upload vulnerability, tracked as CVE-2019-18187, in the Trend Micro OfficeScan antivirus. reported the Nikkei.