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Android threat-of-the-year so far in 2018, at least if you measure by media interest, is the curiously-named SkyGoFree malware.
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(The name was apparently invented by researchers at Kaspersky, simply because they “found the word in one of the domains” used in one of the samples they looked at – the malware isn’t targeted at users of the telecommunications company Sky or its Sky Go TV product.)
In one word, SkyGoFree (or SkyFree as Sophos products detect it) is easily described: spyware.
A quick look in the decompiled Java code of the malware reveals the range of data it knows how to steal:
RUBRICA
, in case you are wondering, is Italian for ADDRESS BOOK
. A lot of the code seems to have been written by Italian speakers – the lines above come from a source file called Costanti.java
, which would be Constants.java
in English.
There’s loads more treacherous functionality in the malware, including a function called StartReverse()
that connects your phone up to a server run by the crooks to given them what’s called a reverse shell.
Normally, to logon into a command prompt (known in Unix and Linux as a shell) you need to initiate a connection to a device, which means getting through any firewalls and network address translation that’s in the way.
Many mobile networks, and almost all Wi-Fi networks, let you make outbound connections to other people, but don’t let others connect inbound directly to you – you’re supposed to be a data consumer (client) on the the network, not a data producer (server).
Hackers get around this with a reverse shell: a common intrusion trick that turns the logon process on its head.
Your device initiates the connection outwards to the crooks, but only to set the connection up; after that, your device acts as the server, with the crooks hooked up as clients, “logged in” with direct control over your phone.
SkyGoFree also includes a feature – if that is the right word – that it calls Social
to let the crooks grab data from numerous other apps on your device.
Here’s an edited fragment of the code that tries to steal your social networking data (don’t worry if you don’t understand Java – this is just by way of illustration):
The good news is that on a regular Android phone, apps can’t blindly read each other’s data.
Unless you have rooted your device, or have an old or unpatched phone with a security hole that allows malware to root your phone automatically and secretly in the background, this part of the malware won’t work.
SkyGoFree also has a component that can call home to download and install additional modules – a sort-of plugin system for the malware. (When we investigated, the addon files that the malware was looking for were offline.)
Malware is often programmed so that it can update or extend itself, which makes the threat even more serious: neither you, nor researchers, can ever be sure in advance exactly what the crooks might decide to do with infected devices in the future.
What to look for
Skygofree Real Download For Android Phones
The sample we examined pretends to be a “System Update”, using a green Android icon:
If you launch the app, it starts running in the background but almost immediately removes its own icon to give you the impression that the “update” has finished.
Fortunately, the app still shows up on the System
Apps
page, where you can stop it and uninstall it:
We haven’t received any reports of this malware from the wild, and it isn’t – and as far as we know, never was – in Google Play, so you’d have to go to the Settings
Security
page and turn on the non-default option to Allow installation of apps from unknown sources
to get infected:
Google Play is not the virus-free walled garden that you might have been led to believe, but it is still far safer than accepting apps from unknown sources such as alternative markets, unregulated Android forums or links sent to you by friends.
What to do?
- Stick to Google Play. If you need to go off-market for a specific app, go back into
Settings
Security
after installing it and turnAllow unknown sources
off again. - Use an Android anti-virus. Products like the free Sophos Mobile Security for Android will help you block malware and warn you about insecure settings on your device.
- Don’t trust system updates offered by third parties. Be especially cautious of “updates” that claim to offer additional features or services not available officially.
Security researchers have discovered powerful new malicious software which is capable of stealing WhatsApp messages from Android devices.
The malware is designed for targeted cyber-surveillance and includes hacking abilities which have never been seen before outside of controlled research settings.
It is capable of turning infected smartphones into recording devices based on their location they are in and can steal WhatsApp messages when they are unencrypted on the devices themselves.
Discovered by researchers from Kaspersky Lab, the surveillance software has been active since 2014 and has been named 'Skygofree' after one of the domains used by the malware.
Kaspersky Lab explained that the malware has nothing to do with Sky or the Sky Go product, service or app.
It allows the attacker to take pictures and videos, seize call records and access the phone's geolocation capabilities to track the victim.
Details found in the code of the spyware suggested it was developed by Negg International, an Italian cybersecurity company.
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Speaking to Sky News, Kaspersky's principal security researcher Vincente Diaz said that it was not clear from this whether Negg developed the software themselves or if the malicious software had been modified to falsely implicate them.
Negg does advertise itself as providing cyber tools for legitimate investigators, but did not talk about the software - which could be developed and operated within the law - when contacted by Sky News.
Its CEO Francesco Taccone told Sky News the company had no comment.
There is no suggestion that the company does not operate within the law and a report in Forbes suggested that law enforcement were a large part of Negg's customer base.
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Similar mobile spyware is on the rise, according to Kaspersky Lab's researchers. It's 'better business to infect a mobile device than a computer' Mr Diaz told Sky News.
'I think that we're reaching the tipping point where we'll discover a lot of spying malware for mobie devices,' he added.
Where attackers may have been lacking the expertise to develop these hacking tools historically, 'everything is changing very quickly' he added.
Cars lightning mcqueen games free download for android. 'The next wave of malware for state-sponsored attackers and companies will definitely be developed for mobile devices,' Mr Diaz said.
Skygofree Real Download For Android Download
The victims of this malware were all located in Italy, Kaspersky Lab reported, and it was unclear why they were targeted.
'High end mobile malware is very difficult to identify and block and the developers behind Skygofree have clearly used this to their advantage: creating and evolving an implant that can spy extensively on targets without arousing suspicion,' said Alexey Fish, a malware analyst at Kaspersky Lab's targeted attacks research group.