Dark Reading is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them.Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Attacks/Breaches

2/4/2020
05:00 PM
100%
0%

Microsoft DART Finds Web Shell Threat on the Rise

Various APT groups are successfully using Web shell attacks on a more frequent basis.

An investigation into the breach of a customer's Web server by Microsoft's Detection and Response Team (DART) found a Web shell attack that had succeeded in moving through most of the ATT&CK matrix before being remediated.

The Web shell was part of an attack that placed files in numerous directories on the Web server, gaining persistence and beginning to spread laterally in the infrastructure before it was discovered, DART notes. DART also says it is seeing Web shells used more frequently by APT groups, including Zinc, Krypton, and Gallium. And the threat is growing: "Every month, Microsoft Defender Advanced Threat Protection (ATP) detects an average of 77,000 web shell and related artifacts on an average of 46,000 distinct machines," DART says.

Read more here.

Check out The Edge, Dark Reading's new section for features, threat data, and in-depth perspectives. Today's top story: "C-Level & Studying for the CISSP."

Dark Reading's Quick Hits delivers a brief synopsis and summary of the significance of breaking news events. For more information from the original source of the news item, please follow the link provided in this article. View Full Bio

Comment  | 
Print  | 
More Insights
Comments
Newest First  |  Oldest First  |  Threaded View
Cybersecurity Industry: It's Time to Stop the Victim Blame Game
Jessica Smith, Senior Vice President, The Crypsis Group,  2/25/2020
Google Adds More Security Features Via Chronicle Division
Robert Lemos, Contributing Writer,  2/25/2020
Register for Dark Reading Newsletters
White Papers
Video
Cartoon
Current Issue
6 Emerging Cyber Threats That Enterprises Face in 2020
This Tech Digest gives an in-depth look at six emerging cyber threats that enterprises could face in 2020. Download your copy today!
Flash Poll
How Enterprises Are Developing and Maintaining Secure Applications
How Enterprises Are Developing and Maintaining Secure Applications
The concept of application security is well known, but application security testing and remediation processes remain unbalanced. Most organizations are confident in their approach to AppSec, although others seem to have no approach at all. Read this report to find out more.
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2020-9431
PUBLISHED: 2020-02-27
In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the LTE RRC dissector could leak memory. This was addressed in epan/dissectors/packet-lte-rrc.c by adjusting certain append operations.
CVE-2020-9432
PUBLISHED: 2020-02-27
openssl_x509_check_host in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.
CVE-2020-9433
PUBLISHED: 2020-02-27
openssl_x509_check_email in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.
CVE-2020-9434
PUBLISHED: 2020-02-27
openssl_x509_check_ip_asc in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.
CVE-2020-6383
PUBLISHED: 2020-02-27
Type confusion in V8 in Google Chrome prior to 80.0.3987.116 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.