If there’s one area attackers continued to focus on this year, it is in evading detection. Rounding up tactics we saw against Asia-Pacific countries during the first half of 2014, a number of notable techniques stood out to portray attackers’ apparent effort to keep their heads low for maximum destruction.
In an under-the-radar tactic never seen before, attackers used the cloud-based file storage platform Dropbox as a download site for a backdoor’s command-and-control (C&C) settings. It was also recently that attackers abused the interactive scripting tool Windows® PowerShell in a previously unheard of technique. Meanwhile, the Siesta campaign used a built-in sleep timer feature in the OS to stay dormant and avoid being detected easily.
Through all these, attackers remain bent on stealing as much confidential company data as they can. Seeing as four in five attacks (80%) seen in the region used spear-phishing emails as the infection vector, the employees who yield to the attacks themselves can be considered fatal flaws in the organization’s security.
Data gathered from these phishing mails show that majority, 57%, of the attachments used by threat actors are Microsoft Office files. This can be attributable to attackers being aware that these file types are typically passed around for company communications. Many organizations also fail to regularly patch or upgrade their versions of Microsoft Office, leaving them vulnerable to exploit attacks. Apart from Microsoft Office files, .RAR (18%) and .7Z (8%) files are also commonly used by threat actors.
Globally, nearly half (46%) of the victims of targeted attacks were located in Taiwan (46%), while other victims are in Japan (20%) and the US (12%).
Notably, threat actor servers attacking organizations in Asia-Pacific were tracked to come from the United States (48%), Taiwan (13%), and China (12%).
Organizations need to be wary of the effects of targeted attacks, the top of which are potential brand damage, damage to professional reputation, and potential loss of intellectual property, according to a recent Harvard Business Review study.
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