Symantec has discovered a new insidious scam against Facebook users, scammers targeted the social media users proposing a bogus Facebook hacking tool that promises to give the access to their friends’ accounts … unfortunately the unique account hacked is the one of their profiles.
The cybercriminals used an attack technique known as “self cross-site scripting“, victims are deceived with social engineering tactic and are tricked into running the malicious code themselves rather than finding it on a hacked website.
The hackers are exploiting human curiosity to conduct their scam, criminals use to spread a video on Facebook that claims to offer a tool for obtaining credentials for friends’ accounts.
As explained by Satnam Narang in the blog post published by Symantec, the application hacks the victim’s own account.
“Late last week, Facebook users in India were tricked by scammers who were claiming to offer a tool that could hack Facebook in order to obtain passwords belonging to the users’ friends. Unfortunately for these users, they actually ended up hacking their own accounts for the scammers and exposed their friends in the process.”
“What really happens when you paste this code into your browser console window is that a series of actions are performed using your Facebook account without your knowledge. Behind the scenes, your account is used to follow lists and users, and give likes to pages in order to inflate the follower and like counts defined by the scammers.”
The cybercriminals with this tactic are able to increase the popularity of a specific web page or they are able to increase the reputation of fake profiles.
This kind of scam is not new, as confirmed by Narang it has been around since 2011, recently experts at Symantec detected some cases in India. The scam is very effective, according Narang it allowed to cybercriminals to inflate the “like” count on some pages by 50,000 to 100,000, giving a close look to the malicious code experts noticed name assigned to variables (e.g. mesaj and arkadaslar) which suggest the authors are Turkish.
To mitigate the attack Facebook warned its users to disable browser console windows, Facebook allows anyway to re-enable the console, but providing a warning message discourages users
Scammers exploited the intentions of Facebook users that naively desire to hack their friend’s accounts, it is very stupid to think it possible pasting code in their own browser.
“Being able to hack someone’s Facebook password by just pasting some code into your browser sounds way too easy and should signal that this is a scam,””It’s best to err on the side of caution and think twice before following instructions that ask you to paste code into your browser to hack passwords or unlock features on a website.” said the researcher.
(Security Affairs – Facebook, Scammers)
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