Security experts spotted a new malware campaign of well know Spyware FinFisher also called FinSpy spreading through Internet Service Providers (ISPs).

FinSpy comes with extend capabilities such as surveillance through webcams and microphones, keylogging, and exfiltration of files. It is famous for various campaigns like spearphishing, Physical access, Waterhole attacks and Spearphishing attacks.

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What’s New in this Campaign

Security experts say Attackers may use MitM attack Over ISPs level to distribute the FinFisher spyware also called FinSpy. They noticed the campaign in 7 countries and the Vector being used in Two countries.Also, they said we cannot name them so as not to put anyone in danger.

Some of the famous application used in the attack WhatsApp, Skype, Avast, WinRAR, VLC Player and some others. By the way, any application can be misused in the same way.

So How this Method Work

Let’s consider user searching for anyone compromised software on the legitimate website, after clicking the download button instead of the legitimate link, a modified link will be supplied which downloads the trojan embedded package from attacker server which installs FinFisher spyware also.

Redirection achieved at ISP level to change the legitimate URL to malicious URL by using HTTP 307 Temporary redirect status code.

According to the geographic distribution of ESET’s discovery of recent FinFisher variants implies the MitM attack is occurring at a higher level – an ISP arises as the most feasible option.

ESET researchers assumptions match to leaked documents published by Wikileaks the FinFisher offered by “FinFly ISP” to be deployed on ISP networks with capabilities matching those necessary for performing such a MitM attack.

Second, the infection technique (using the HTTP 307 redirect) is implemented in the very same way in both of the affected countries.

Guru is an Ex-Security Engineer at Comodo Cybersecurity. Co-Founder - Cyber Security News & GBHackers On Security.


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