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Multisystem Trojan Janicab attacks Windows and MacOSX via scripts

23

Jul

2013

On Friday, July 12th a warning from an AVAST fan about a new polymorphic multisystem threat came to an inbox of AVAST. Moreover, an archive of malicious files discussed here were attached. Some of them have been uploaded to Virustotal and therefore they have been shared with computer security professionals on the same day. A […]

Category General Written by Avast! blog 0 Comments

6.25 DNS DDOS Attack In Korea

15

Jul

2013

Shortly after 10:00am Jun 25th 2013, many government websites from South Korea were not accessible. It was actually caused by the malware performing ddos attack on 2 major DNS servers (ns.gcc.go.kr and ns2.gcc.go.kr).Original Attack VectorDuring the investigation, we managed to find the original attack sample which was served by a compromised website at that time […]

Category Security Written by Fortinet Blog 0 Comments

Tracking a botnet infection

11

Jul

2013

Recently we found several malicious executables with similar characteristics. These files were found on the following six domains: janashfordplumbing.com kalliskallis.com lowes-pianos-and-organs.com continental1.com foreigntire.com gjhimages.com The URLs used, adhered to the following two formats: http://www.[domain].com/awstats6_data/[a-f0-9]{10}/?f=sm_main.mp3&k=[0-9]{15} http://www.[domain].com/images/[folder]/[folder]/[a-f0-9]{10}/?f=sm_main.mp3&k=[0-9]{15} These six domains are otherwise legitimate sites that have been compromised and used to serve malicious content. While I didn’t […]

Category Security Written by Zscaler Research 0 Comments

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Multisystem Trojan Janicab attacks Windows and MacOSX via scripts

6.25 DNS DDOS Attack In Korea

Tracking a botnet infection

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