Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities

Por um escritor misterioso
Last updated 10 novembro 2024
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
[UPDATE] March 8, 2021 – Since original publication of this blog, Volexity has now observed that cyber espionage operations using the SSRF vulnerability CVE-2021-26855 started occurring on January 3, 2021, three days earlier than initially posted. Volexity is seeing active in-the-wild exploitation of multiple Microsoft Exchange vulnerabilities used to steal e-mail and compromise networks. These attacks appear to have started as early as January 6, 2021. In January 2021, through its Network Security Monitoring service, Volexity detected anomalous activity from two of its customers' Microsoft Exchange servers. Volexity identified a large amount of data being sent to IP addresses it believed were not tied to legitimate users. A closer inspection of the IIS logs from the Exchange servers revealed rather alarming results. The logs showed inbound POST requests to valid files associated with images, JavaScript, cascading style sheets, and fonts used by Outlook Web Access (OWA). It was initially suspected the […]
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Microsoft Exchange Archives - Security Affairs
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Examining Exchange Exploitation and its Lessons for Defenders - DomainTools
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Four Exchange Server Vulnerabilities Patched - Audit Now!
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Microsoft Exchange Server Attack Timeline: Discoveries and Mitigations
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Tracking Microsoft Exchange Zero-Day ProxyLogon and HAFNIUM - Truesec
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Healthcare's Microsoft Exchange Critical Exposure - Meditology Services
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Examining Exchange Exploitation and its Lessons for Defenders - DomainTools
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Busted by XDR: Detecting Microsoft Exchange Post-Exploit Activity in February - Palo Alto Networks Blog
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Microsoft Exchange Server data breach (2021) - International cyber law: interactive toolkit
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Microsoft Exchange Server Attack Timeline: Discoveries and Mitigations
Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day  Microsoft Exchange Vulnerabilities
Microsoft Exchange Server data breach (2021) - International cyber law: interactive toolkit

© 2014-2024 lexenimomnia.com. All rights reserved.