Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities
Por um escritor misterioso
Last updated 16 junho 2024
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://www.volexity.com/wp-content/uploads/2021/03/MS-Exchange-graphic-banner.png)
[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](https://redcanary.com/wp-content/uploads/2021/03/image5.png)
Microsoft Exchange exploitation: how to detect, mitigate, and stay calm
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://www.meditologyservices.com/wp-content/uploads/2023/02/RITHM-TB-1-1.png)
Healthcare's Microsoft Exchange Critical Exposure - Meditology Services
4 Zero-Day Bug in Microsoft Exchange Let Attackers
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://blog.talosintelligence.com/content/images/-6Cknf3vzyZQ/YED644ha-wI/AAAAAAAAALY/TJ5EEx-R0-sGwwXENmBoVzGZLYHif8fkQCLcBGAsYHQ/s320/coverage.png)
Threat Advisory: HAFNIUM and Microsoft Exchange zero-day
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://static.miraheze.org/cyberlawwiki/thumb/4/44/ICRC_logo_hor.png/800px-ICRC_logo_hor.png)
Microsoft Exchange Server data breach (2021) - International cyber law: interactive toolkit
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://unit42.paloaltonetworks.com/wp-content/uploads/2021/03/word-image-46.png)
Microsoft Exchange Server Attack Timeline: Discoveries and Mitigations
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://www.paloaltonetworks.com/blog/wp-content/uploads/2021/04/word-image-11.png)
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](https://www.splunk.com/content/dam/splunk-blogs/images/en_us/2021/03/mst-exchange.png)
Detecting Microsoft Exchange Vulnerabilities - 0 + 8 Days Later…
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://thecyberwire.com/images/social-media/2021/03/cw-briefing-030321.jpg)
India continues investigation of possible grid cybersabotage. Microsoft patches zero-days under active Chinese exploitation. Ursnif warnings. ICS advisories.
![Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities](https://redcanary.com/wp-content/uploads/2021/03/RedCanaryIntel_MCExchange_LINKEDIN.jpg)
Microsoft Exchange exploitation: how to detect, mitigate, and stay calm
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