tag
targeted malware

Antivirus? Who Needs It?

I came across an interesting article today on "Breaking the conventional scheme of infection" at the evil fingers blog site. Actually, it’s by my colleague in Argentinia, ESET Latin America Security Analyst, Jorge Mieres, but I didn’t realize that at first. (The original blog is in Spanish, and if your command of that language is

Targeted Malware and Microsoft

Microsoft issued an advisory last week – Microsoft Security Advisory (969136) "Vulnerability in Microsoft Office PowerPoint Could Allow Remote Code Execution" – that "could allow remote code execution if a user opens a specially crafted PowerPoint file." The advisory uses very similar language to Microsoft’s recent advisory on an Excel vulnerability, referring to "only…limited and

Chinese Whispers: Targeted Malware and E-Espionage

I’ve mentioned here before that targeted malware, often delivered by "spear phishing" carried by apparently "harmless" documents such as PDFs, .DOCs and spreadsheets rather than overt programs, can have much more impact than the raw numbers of such attacks suggest. In fact, some sources now use the term "whaling" rather than "spear phishing" to reflect the

Targeted Excel Malware Revisited.

Further to our blog last week on targeted attacks exploiting a vulnerability found in a number of Excel versions including  Mac versions, viewers, and the Open XML File Format Converter for Mac. While we already have a specific detection for the threat we call X97M/TrojanDropper.Agent.NAI, we also have generic detection for the exploit, flagged as X97M/Exploit.CVE-2009-0238.Gen. This detection

EXcel EXploits

Our guys in Bratislava have issued a press release about one of the latest examples of the current wave of Excel exploits, which we detect as X97M/TrojanDropper.Agent.NAI. When the malicious Excel document is opened, it drops the backdoor Trojan we call Win32/Agent.NVV, which allows a remote attacker to get access to and some control over the

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16 Oct 2009
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