During SECURE conference we have presented our findings about criminal group, which we called “Postal Group” (“Grupa pocztowa”) based on theris modus operandi. Detailed research regarding the group have been gathered in the form of report available under the link below.   PDF   During the SECURE conference, we presented a talk …

Recently we ran across a quite an interesting sample, which used an interesting obfuscation technique that was beautiful in its simplicity. But before we dive in, let us provide some background for it. One of the easier and most common techniques for automatic unpacking is to hook kernel32!WriteProcessMemory and …

Zaufana Trzecia Strona – a Polish security news portal – informed about a new attack on Polish user’s (link is in Polish) that used a Microsoft Office plugin install wizard as a decoy. In reality, the user not only installed the plugin, but also a malware called Smoke Loader. It allows …

In March 2015, S21sec published their analysis of the new e-banking trojan horse targetting Polish users. They named it “Slave”, because such a string was part of a path to one of the shared libraries. We think (in part thanks to the kernelmode.info thread) that Slave was made by …

Today, we published the annual CERT Polska report in its English version. This report presents the most important trends and observations that we think shaped Polish cybersecurity in 2014. This includes new, upcoming threats, their evolution and our responses to them. In 2014 CERT Polska continued its effort to better …

On the 7th of May, 2015 we observed a new malicious e-mail campaign, which used the logo and the name of Polish Post Office (”Poczta Polska”). The e-mail supposedly informed about an undelivered package – however, they also included a link which, after several redirects, lead to the download of a …

iBanking malware was already described on our blog in connection with the attacks targeting Polish e-banking users at the end of 2013. This malware posed as a mobile antivirus application, while in reality it was use to steal one time passwords that were sent via text message. The attack scenario …

Of all of the Polish malware families that we have seen last year, Banatrix seems to be the most technologically advanced one. This malware was used to replace the bank account number in the browser memory, however its implementation allowed an attacker to execute any arbitrary code on the victim …

In the last two weeks, the CERT team received multiple reports describing suspicious e-mail messages supposedly coming from the Warszawa Wola (a Warsaw district) Bailiff office. The message contents do not describe the alleged due in detail, thus encouraging the recipient of the message to click on the link described …

In the last few weeks we received information about a new kind of malware, similar to the VBKlip malware family. However, while reading these incident reports we got a bit of a science-fiction feeling. Users described that they went to the e-banking site and they tried to perform a wire …