Tag Archives: Zerologon

The Americans have released joint Cybersecurity Advisory (CISA, FBI, HHS, MS-ISAC) against the Black Basta ransomware

The Americans have released joint Cybersecurity Advisory (CISA, FBI, HHS, MS-ISAC) against the Black Basta ransomware

The Americans have released joint Cybersecurity Advisory (CISA, FBI, HHS, MS-ISAC) against the Black Basta ransomware. It is alleged that as of May 2024, more than 500 organizations worldwide have been affected by Black Basta, including businesses and critical infrastructure in North America, Australia and Europe. 12 of 16 critical infrastructure sectors are affected.

The ransomware was first spotted in April 2022. Initial Access is obtained through phishing or exploitation of the February vulnerability AuthBypass in ConnectWise ScreenConnect (CVE-2024-1709).

Privilege Escalation and Lateral Movement Toolkit: Mimikatz and Vulnerability Exploitation ZeroLogon (CVE-2020-1472), NoPac (CVE-2021-42278, CVE-2021-42287), PrintNightmare (CVE-2021-34527). Patches have been available for years, but organizations have not installed them. 🤷‍♂️ Perhaps they hoped that the perimeter would never be breached. 😏

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August 2023: GitHub PoCs, Vulristics, Qualys First-Party, Tenable ExposureAI, SC Awards and Rapid7, Anglo-Saxon list, MS Patch Tuesday, WinRAR, Juniper

August 2023: GitHub PoCs, Vulristics, Qualys First-Party, Tenable ExposureAI, SC Awards and Rapid7, Anglo-Saxon list, MS Patch Tuesday, WinRAR, Juniper. Hello everyone! This month I decided NOT to make an episode completely dedicated to Microsoft Patch Tuesday. Instead, this episode will be an answer to the question of how my Vulnerability Management month went. A retrospection of some kind.

Alternative video link (for Russia): https://vk.com/video-149273431_456239134

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Microsoft Patch Tuesday September 2020: Zerologon and other exploits, RCEs in SharePoint and Exchange

Microsoft Patch Tuesday September 2020: Zerologon and other exploits, RCEs in SharePoint and Exchange. I would like to start this post by talking about Microsoft vulnerabilities, which recently turned out to be much more serious than it seemed at first glance.

Older Vulnerabilities with exploits

“Zerologon” Netlogon RCE (CVE-2020-1472)

One of them is, of course, the Netlogon vulnerability from the August 2020 Patch Tuesday. It’s called “Zerologon”. I would not say that Vulnerability Management vendors completely ignored it. But none of them (well, maybe only ZDI) emphasized in their reports that this vulnerability would be a real disaster.

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