Experts from Bitdefender have uncovered the Netrepser Cyber espionage campaign that compromised more than 500 Government organizations worldwide. The threat actors delivered the malware via spear-phishing emails that use weaponized documents. The malware used in the campaign was built around a legitimate recovery toolkit provided by Nirsoft, the malicious code leverages the Nirsoft email and instant messaging password recovery tools to steal email and IM passwords. Researchers havent found any evidence linking this cyber campaign to threat actors previously analyzed.”]
Source: http://securityaffairs.co/wordpress/58783/hacking/netrepser-cyber-espionage-campaign.html