- 02.02.2020

Moneroocean android

moneroocean androidI used to use PickAxe to mine on Android, but then Google removed all the mining apps from the Play Store. What's the current state of Android . showcatalog.ru › coin › MO-CryptoNightR.

Moneroocean android

In their tweet, Bad Packets moneroocean android about K compromised routers. Various sources mentioned that access to those moneroocean android had been primarily allowed because of a recent vulnerability in the WinBox protocol, a router GUI control panel whose protocol could be exploited with the CVE vulnerability.

moneroocean android

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There are moneroocean android routers link the Avast user base, and out of these, only 4.

Modus operandi and first findings We started to scan for routers that were likely to be vulnerable and infected.

Moneroocean android is even moneroocean android interesting is how it behaves when you connect to the proxy on the moneroocean android.

Moneroocean android

Taking a closer look at the above picture, you might have noticed it tries to run a script: After uncovering moneroocean android levels of obfuscation, moneroocean android discovered that the script launches a javascript cryptocurrency miner that runs in your browser.

Interestingly, the originally intended web page reloads itself into an IFRAME element after 10 milliseconds, so the user sees the original content inside an iframe, while the miner runs in the background.

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This way, the user will happily browse the original content without even knowing that something fishy is going on in the background. How is it possible that the same URL displays the real content moneroocean android 10 milliseconds, and moneroocean android the miner again? To understand how this works, we need to dive into the configuration of MikroTik routers.

Moneroocean android

We got the moneroocean android script https://showcatalog.ru/2019/ethereum-difficulty-bomb-2019.html sets up the MikroTik router for moneroocean android cryptomining campaign.

Moneroocean android vector The infection starts by misusing CVE, a critical vulnerability that allows the attacker to get access to any file on the router without authorization or user interaction.

In this case, the strain targets the file containing the database of credentials, allowing the attacker to log into your device.

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While this is a serious vulnerability, it cannot be misused unless the attacker can moneroocean moneroocean android to the management interface. Using either the aforementioned vulnerability or weak credentials, the attacker gains access moneroocean android the router and then executes a multi-stage attack.

The first thing he does is place a script on the router. Once there, the script is scheduled to run once every five minutes.

Moneroocean android

There is quite a long list full of various names of scripts to kill, which makes us think that this strain has been around for a while and has been modified as more and more jobs are added to its kill list.

Next, it remaps ports for TELNET and SSH access protocols to unusual ports to prevent easy detection and to prevent others moneroocean android connecting to the administration interface exchange 2019 the router; it moneroocean android opens these ports to the internet if they are not opened already.

As you will moneroocean android in our analysis, this was not in the moneroocean android script when the campaign began. moneroocean android

Moneroocean android

The next step is to reset the moneroocean android error page, which is later used for the miner payload, and to enable the web proxy moneroocean android. It also moneroocean android a rule to ensure that any additional request to the proxy is denied, and the content of error.

This redirects every request by any computer read more other devices inside the network through a web proxy to an unsecured moneroocean android HTTP.

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Ok is a very important detail. Keep reading.

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This is another visit web page line of code for the campaign to work. The two lines of code moneroocean android tell the router to check every 15 seconds when it moneroocean android connecting to an unsecured page HTTPredirect the traffic through the proxy just once because as you are redirected, the IP address of your computer is added moneroocean android the!

Moneroocean android

Ok list for another 15 seconds. Diagram of an example how the injection works The moneroocean android line assures us that this is a really malicious script: It sets the logging to keep only the last line of the log.

This is obviously not a good practice moneroocean android production use, but it allows the bad actor to stay under the radar so the administrator is not able to see the history of commands in the log files.

The moneroocean android line creates a SOCKS proxy server on a port which is moneroocean android on the actual time of the router, which is random in that it uses minutes and seconds.

Moneroocean android

The next two lines download a malicious error. These moneroocean android are still changing and evolving as the attackers improve them. Playing games with the attacker At this point, the situation is not moneroocean android clear as there are several strains of malware active.

Moneroocean android

Analyzing this malware is like looking into a guestbook where everybody left their signature. Moneroocean android particular moneroocean android we analyzed with the script we described in this post is used by at least two domains as far as we know.

The first server domain moneroocean android spotted was: mining By further investigation, we found out that this domain has been active since the 4th of Marchand it has been hosted on three different servers by the same hosting provider.

Moneroocean android

We contacted the hosting provider, and together we took this server down on the 5th of October. Just one day later the whole campaign was up again from moneroocean android different domain, gazanew.

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We asked the provider again to take this server down. Moneroocean android attacker continued to tighten up his position in the router.

Moneroocean android

And, because there is no easy way to get statistics about moneroocean android CoinHive keys, we illustrate below the activity of keys for which we could get the cryptocurrency moneroocean android balance: Snapshot of mining activity consider, free bitcoin mining website 2019 talk moneroocean android of the distributed keys xmr.

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