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.

Risk

New Tool Allows Websites To Keep Serving Pages After Infection

"Mod_antimalware" strips out malware instead of blocking infected pages, Black Hat presenter says

LAS VEGAS, NEVADA -- Black Hat USA 2010 -- When Web pages are infected with malicious code, the current security practice is to block the entire page and warn users not to go there. But what if the infected page is on a legitimate site that needs that page up in order to do business?

Click here for more of Dark Reading's Black Hat articles.

In a presentation here Wednesday, a Black Hat speaker proposed a new technology that strips out malware from infected Web pages, effectively allowing sites to continue to serve Web content even after a page has been infected.

The new "mod_antimalware" Web server module, which is outlined in a white paper at Black Hat, is designed to work in conjunction with Dasient's Web Anti-Malware monitoring service to recognize malware by its behavior on a website, says Neil Daswani, CTO of upstart security vendor Dasient and co-author of the paper.

"When a PC gets infected with malware, you don't tell the user to stop using it," Daswani says. "But that's basically what happens to Web pages that get infected -- the whole page is blocked, and your site may even be blacklisted, all because one element on one page is infected."

Mod_antimalware monitors Websites for malicious behavior, such as redirecting users to other sites or attempting to download Trojan horses, Daswani explains. It then identifies the code that instigated the malicious behavior and strips it off the page, allowing the rest of the Web content to continue being served safely.

While mod-antimalware is Dasient's commercial product, the company also is offering an open-source version that is also capable of recognizing the malicious behavior. The open-source version does not strip out the bad code, but it notifies the site operator so that the page can be modified or disinfected before it is blocked or blacklisted, Daswani says.

Have a comment on this story? Please click "Discuss" below. If you'd like to contact Dark Reading's editors directly, send us a message.

Tim Wilson is Editor in Chief and co-founder of Dark Reading.com, UBM Tech's online community for information security professionals. He is responsible for managing the site, assigning and editing content, and writing breaking news stories. Wilson has been recognized as one ... View Full Bio

Comment  | 
Print  | 
More Insights
Comments
Newest First  |  Oldest First  |  Threaded View
AI Is Everywhere, but Don't Ignore the Basics
Howie Xu, Vice President of AI and Machine Learning at Zscaler,  9/10/2019
Fed Kaspersky Ban Made Permanent by New Rules
Dark Reading Staff 9/11/2019
Register for Dark Reading Newsletters
White Papers
Video
Cartoon Contest
Current Issue
7 Threats & Disruptive Forces Changing the Face of Cybersecurity
This Dark Reading Tech Digest gives an in-depth look at the biggest emerging threats and disruptive forces that are changing the face of cybersecurity today.
Flash Poll
The State of IT Operations and Cybersecurity Operations
The State of IT Operations and Cybersecurity Operations
Your enterprise's cyber risk may depend upon the relationship between the IT team and the security team. Heres some insight on what's working and what isn't in the data center.
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2019-16354
PUBLISHED: 2019-09-16
The File Session Manager in Beego 1.10.0 allows local users to read session files because there is a race condition involving file creation within a directory with weak permissions.
CVE-2019-16355
PUBLISHED: 2019-09-16
The File Session Manager in Beego 1.10.0 allows local users to read session files because of weak permissions for individual files.
CVE-2019-16353
PUBLISHED: 2019-09-16
Emerson GE Automation Proficy Machine Edition 8.0 allows an access violation and application crash via crafted traffic from a remote device, as demonstrated by an RX7i device.
CVE-2019-16349
PUBLISHED: 2019-09-16
Bento4 1.5.1-628 has a NULL pointer dereference in AP4_ByteStream::ReadUI32 in Core/Ap4ByteStream.cpp when called from the AP4_TrunAtom class.
CVE-2019-16350
PUBLISHED: 2019-09-16
ffjpeg before 2019-08-18 has a NULL pointer dereference in idct2d8x8() at dct.c.