Detection for PutterPanda, we got this.
Recently a post by Crowdstrike was released detailing an attack being used, allegedly, by the Chinese Military "PLA Unit 61486". The post is a great demonstration of the use of OSINT (Open Source Intelligence) to track an adversary in this increasingly digital world.
Etumbot Detection, more prior coverage
Arbor Networks recently posted details about a backdoor they named Etumbot. It provides technical detail about the functionality of the malware and it includes hashes of known samples. The Arbor write up is available here: http://www.arbornetworks.com/asert/2014/06/illuminating-
The never ending Exploit Kit shift - Bleeding Life
Recently we've been able to observe several shifts in exploit kit techniques, so I thought it would be good to share the IOC information for the exploit kits so that administrators and network defenders can take a look at their devices and logs to remediate on their networks.
Microsoft Update Tuesday June 2014: Internet Explorer, Internet Explorer, Internet Explorer
Once again it’s time for Microsoft’s Update Tuesday and this time it’s almost all about Internet Explorer. We had a bit of a lull in the past months with respect to IE vulnerabilities, especially due to the out-of-band patch that Microsoft released last month, which delayed some
An Introduction to Recognizing and Decoding RC4 Encryption in Malware
There is something that we come across almost daily when we analyze malware in the VRT: RC4. We recently came across CVE-2014-1776 and like many malware samples and exploits we analyze, RC4 is used to obfuscate or encrypt what it is really doing. There are many ways to implement
Microsoft Update Tuesday May 2014: relatively light month
It’s time for another Microsoft Update Tuesday, the first one which will not feature any XP updates (except of course for the out-of-band patch (MS14-021) which was released to deal with the IE 0-day which is officially part of this release, but which we won't be discussing h
Betabot Process Injection
Introduction A few weeks ago I received a PE file (MD5: 34105EF38CEA1B4B2ABADD0CB3404E69) and was asked to figure out if it is related to the Betabot malware family. It didn’t take long to figure out that this file is Betabot, but this seemed like an excellent sample to cover met
Continued analysis of the LightsOut Exploit Kit
At the end of March, we disclosed the coverage of an Exploit Kit we called “Hello”: http://blog.talosintel.com/2014/03/hello-new-exploit-kit.html, or “LightsOut”, we thought we’d do a follow up post to tear this exploit kit apart a bit more. This variant of the LightsOut exploit
Anatomy of an exploit: CVE 2014-1776
This post is co-authored by Alex McDonnell, Brandon Stultz, Joel Esler, Patrick Mullen, Armin Pelkmann, and Craig Williams When the Internet Explorer 0-day CVE 2014-1776 was announced, we turned to our intelligence feeds for more information. In the course of taking it apart we