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Piecing the malware puzzle – Exploring a spike in exploit activity

21

Mar

2012

In this post, we explore a telemetry spike in Java/OpenConnection and CVE-2011-3544 exploit activity. While reviewing user feedback from the Microsoft Malware Protection Center recently, we noticed an unprecedented amount of feedback on one particular Java/OpenConnection variant — TrojanDownloader:Java/OpenConnection.PK. Such interest in this type of Java applet-based exploit is quite unusual, and prompted us to investigate […]

Category General Written by Microsoft Malware Protection Center 0 Comments

Manually De-obfuscating malicious contents

22

Jul

2011

Most of the time, malicious obfuscated JavaScript is injected at the bottom of a webpage. Obfuscation is leveraged both to hide the true purpose of the code from prying human eyes and in an attempt to bypass security scans. As a researcher, you may have to conduct a manual analysis of such JavaScript, if certain […]

Category Security Written by Zscaler Research 0 Comments

Trend Micro Researchers Identify Vulnerability in Hotmail

24

May

2011

A couple of days ago, my colleagues reported an attack that appears to be targeted and that involves email messages sent through a Webmail service. Upon further investigation, we were able to confirm that this attack exploits a previously unpatched vulnerability in Hotmail. Trend Micro detects the malicious email messages as HTML_AGENT.SMJ. The said attack […]

Category General Written by TrendLabs 0 Comments

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Piecing the malware puzzle – Exploring a spike in exploit activity

Manually De-obfuscating malicious contents

Trend Micro Researchers Identify Vulnerability in Hotmail

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