Posts Tagged ‘target computer’

Trojan.Rodricter spreads by exploiting critical Java vulnerability

Sep

2012

On August 26, FireEye reported the discovery of a critical vulnerability in Java Runtime Environment versions 1.7x, which was designated as CVE-2012-4681. Oracle released a security patch only on August 30, and, therefore, the vulnerability remained unclosed for at least four days-an opportunity criminals were quick to take advantage of. Doctor Web determined that a […]

Category General Written by Virus alerts 0 Comments

DDoS Attacks: The Zemra Bot

Jun

2012

Symantec has become aware of a new Distributed Denial of Service (DDoS) crimeware bot known as “Zemra” and detected by Symantec as Backdoor.Zemra. Lately, this threat has been observed performing denial-of-service attacks against organizations with the purpose of extortion. Zemra first appeared on underground forums in May 2012 at a cost of ?100.Figure 1. Zemra […]

Category General Written by Symantec Security Response Blog 0 Comments

Microsoft Update and The Nightmare Scenario

Jun

2012

About 900 million Windows computers get their updates from Microsoft Update. In addition to the DNS root servers, this update system has always been considered one of the weak points of the net. Antivirus people have nightmares about a variant of malware spoofing the update mechanism and replicating via it. Turns out, it looks like […]

Category General Written by F-Secure Antivirus Research Weblog 0 Comments

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Posts Tagged ‘target computer’

Trojan.Rodricter spreads by exploiting critical Java vulnerability

DDoS Attacks: The Zemra Bot

Microsoft Update and The Nightmare Scenario

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