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Oct 18, 2021
Grief Ransomware Gang Claims 41 New Victims, Targeting Manufacturers; Municipalities; & Service Companies in U.K. & Europe
Grief Operators Earned an Estimated 8.5 Million British Pounds in Four Months Key Findings: The Grief Ransomware Gang (a rebrand of the DoppelPaymer Ransomware Group) claims to have infected 41 new victims between May 27, 2021—Oct. 1, 2021 with their ransomware.Over half the companies listed on Grief’s underground leak site are based in the U.K. and Europe. The Grief Ransomware Gang appears to…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1000+ organizations in 70+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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Oct 12, 2021
eSentire Launches MDR with Microsoft Azure Sentinel Extending Response Capabilities Across Entire Microsoft Security Ecosystem
Waterloo, ON – Oct. 12, 2021 -- eSentire, recognized globally as the Authority in Managed Detection and Response (MDR), today announced the expansion of its award-winning MDR services with Microsoft Azure Sentinel, as part of its integration with the complete Microsoft 365 Defender and Azure Defender product suites supporting Microsoft SIEM, endpoint, identity, email and cloud security services.…
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Security advisories — Feb 26, 2019

Drupal Remote Code Execution Vulnerability

eSentire has observed active exploitation attempts of the Drupal remote code execution vulnerability, CVE-2018-7600. Drupal is an open source content management framework. Websites using default or common Drupal installations, that lack the most recent security patches, are at a high risk of exploitation. CVE-2018-7600 allows remote attackers to execute code without authentication on vulnerable Drupal websites 1. Code execution may result in the complete compromise of websites. The issue was originally identified at the end of March but recent reports state that attack attempts have been identified since April 11, 20182.

What we’re doing about it

What you should do about it

Additional information

CVE-2018-7600 affects versions 6 to 8 of Drupal that were configured with default or common configurations. The vulnerability is caused by a lack of process sanitation, allowing an attacker to pass a malicious payload to the application.

Proof of Concept (PoC) code to exploit CVE-2018-7600 has also been made publicly available, lowering the technical skill required to carry out this attack 5

[1] https://nvd.nist.gov/vuln/detail/CVE-2018-7600

[2] https://groups.drupal.org/security/faq-2018-002

[3] https://www.drupal.org/project/drupal/releases/7.58

[4] https://www.drupal.org/project/drupal/releases/8.5.1

[5] https://github.com/a2u/CVE-2018-7600/blob/master/exploit.py