Microsoft Azure Virtual Machine信息泄露漏洞（CVE-2021-27075）

CVE-2021-27075: Microsoft Azure Vulnerability Allows Privilege Escalation and Leak of Private Data Written by Paul Litvak - 11 May 2021 In this post I will explain how the Microsoft Azure Virtual Machine VM extension works and how we found a fatal vulnerability in the extension mechanism affectin...

CyberBattleSim - An Experimentation And Research Platform To Investigate The Interaction Of Automated Agents In An Abstract Simulated Network Environments

CyberBattleSim is an experimentation research platform to investigate the interaction of automated agents operating in a simulated abstract enterprise network environment. The simulation provides a high-level abstraction of computer networks and cyber security concepts. Its Python-based Open AI G...

Unspecified vulnerability in Zulip server (CNVD-2021-39546)

Zulip server is an open source team chat application from the American company Zulip. A security vulnerability exists in version 3.x prior to Zulip Server 3.4, which stems from the ability of an organization administrator to move messages to streams in other organizations hosted by the same Zulip...

Raft of Exim Security Holes Allow Linux Mail Server Takeovers

A veritable cornucopia of security vulnerabilities in the Exim mail server have been uncovered, some of which could be chained together for unauthenticated remote code execution RCE, gaining root privileges and worm-style lateral movement, according to researchers. The Qualys Research Team has...

Hundreds of Millions of Dell Users at Risk from Kernel-Privilege Bugs

Five high-severity security flaws in Dell’s firmware update driver are impacting potentially hundreds of millions of Dell desktops, laptops, notebooks and tablets, researchers said. The bugs have gone undisclosed for 12 years, and could allow the ability to bypass security products, execute code...

Imperva to acquire CloudVector: Prioritizing API Protection for Modern Environments

I am excited to announce Imperva has entered into an agreement to acquire CloudVector to advance our mission to protect data and all paths to it. Together, we believe we can change what organizations expect from Web Application and API Protection solutions. There are multiple reasons APIs are at...

CVE-2021-30487

In the topic moving API in Zulip Server 3.x before 3.4, organization administrators were able to move messages to streams in other organizations hosted by the same Zulip installation...

MoveKit - Cobalt Strike Kit For Lateral Movement

Movekit is an extension of built in Cobalt Strike lateral movement by leveraging the executeassembly function with the SharpMove and SharpRDP .NET assemblies. The aggressor script handles payload creation by reading the template files for a specific execution type. IMPORTANT: To use the script a...

Zulip 安全漏洞

Zulip server is an open source team chat application from the American company Zulip. A security vulnerability exists in version 3.x prior to Zulip Server 3.4, which stems from the ability of an organization administrator to move messages to streams in other organizations hosted by the same Zulip...

PYSA Ransomware Pillages Education Sector, Feds Warn

The FBI has issued a warning about an uptick in cyberattacks on the education sector that are delivering the PYSA ransomware. In a “Flash” alert to the cybersecurity community issued on Tuesday, the Feds said that PYSA has been seen in attacks on schools in 12 U.S. states and in the United Kingdo...

FIN8 Resurfaces with Revamped Backdoor Malware

The FIN8 cyberattack group has resurfaced after a period of relative quiet, researchers have found. The gang is using new versions of the BadHatch backdoor to compromise companies in the chemical insurance, retail and technology industries. The attacks have been seen hitting organizations around...

Researchers Find 3 New Malware Strains Used by SolarWinds Hackers

FireEye and Microsoft on Thursday said they discovered three more malware strains in connection with the SolarWinds supply-chain attack, including a "sophisticated second-stage backdoor," as the investigation into the sprawling espionage campaign continues to yield fresh clues about the threat...

Microsoft open sources CodeQL queries used to hunt for Solorigate activity

A key aspect of the Solorigate attack is the supply chain compromise that allowed the attacker to modify binaries in SolarWinds’ Orion product. These modified binaries were distributed via previously legitimate update channels and allowed the attacker to remotely perform malicious activities, suc...

Microsoft open sources CodeQL queries used to hunt for Solorigate activity

A key aspect of the Solorigate attack is the supply chain compromise that allowed the attacker to modify binaries in SolarWinds’ Orion product. These modified binaries were distributed via previously legitimate update channels and allowed the attacker to remotely perform malicious activities, suc...

A playbook for modernizing security operations

The security community is continuously changing, growing, and learning from each other to better position the world against cyber threats. In the latest post from our new Voice of the Community blog series, Microsoft Product Marketing Manager Natalia Godyla talks with Dave Kennedy, Founder and...

ATTPwn - Tool Designed To Emulate Adversaries

ATTPwn is a computer security tool designed to emulate adversaries. The tool aims to bring emulation of a real threat into closer contact with implementations based on the techniques and tactics from the MITRE ATT&CK framework. The goal is to simulate how a threat works in an intrusion scenario,...

Experts Detail A Recent Remotely Exploitable Windows Vulnerability

More details have emerged about a security feature bypass vulnerability in Windows NT LAN Manager NTLM that was addressed by Microsoft as part of its monthly Patch Tuesday updates earlier this month. The flaw, tracked as CVE-2021-1678 CVSS score 4.3, was described as a "remotely exploitable" bug...

SolarWinds Malware Arsenal Widens with Raindrop

An additional piece of malware, dubbed Raindrop, has been unmasked in the sprawling SolarWinds supply-chain attacks. It was used in targeted attacks after the effort’s initial mass Sunburst compromise, researchers said. The SolarWinds espionage attack, which has affected several U.S. government...

Researchers Discover Raindrop — 4th Malware Linked to the SolarWinds Attack

Cybersecurity researchers have unearthed a fourth new malware strain—designed to spread the malware onto other computers in victims' networks—which was deployed as part of the SolarWinds supply chain attack disclosed late last year. Dubbed "Raindrop" by Broadcom-owned Symantec, the malware joins...

Researchers Discover Raindrop — 4th Malware Linked to the SolarWinds Attack

Cybersecurity researchers have unearthed a fourth new malware strain—designed to spread the malware onto other computers in victims' networks—which was deployed as part of the SolarWinds supply chain attack disclosed late last year. Dubbed "Raindrop" by Broadcom-owned Symantec, the malware joins...