Easy Windows and Linux cross-compilers for macOS

tl;dr: you can install cross-compiler toolchains to compile C/C++ for Windows or Linux from macOS with these two Homebrew Formulas. brew install FiloSottile/musl-cross/musl-cross brew install mingw-w64 Cross-compiling C and C++ is dreadful. While in Go you just need to set an environment variable...

Denis and Co.

In April 2017, we published a detailed review of a malicious program that used DNS tunneling to communicate to its C&C. That study prompted us to develop a technology to detect similar threats, which allowed us to collect a multitude of malware samples using DNS tunneling. In this article, we wil...

Beware! Undetectable CrossRAT malware targets Windows, MacOS, and Linux systems

Are you using Linux or Mac OS? If you think your system is not prone to viruses, then you should read this. Wide-range of cybercriminals are now using a new piece of 'undetectable' spying malware that targets Windows, macOS, Solaris and Linux systems. Just last week we published a detailed articl...

UPDATE: OWASP Dependency-Check 3.1.0

PenTestIT RSS Feed My first post about this open source OWASP project was about an older version. This post discusses the changes made to the open source software composition analysis utility in the latest release yesterday. This is the OWASP Dependency-Check 3.1.0! This release comes with...

Huawei HG532 Router Remote Code Execution(CVE-2017-17215)

A Zero-Day vulnerability CVE-2017-17215 in the Huawei home router HG532 has been discovered by Check Point Researchers, and hundreds of thousands of attempts to exploit it have already been found in the wild. The delivered payload has been identified as OKIRU/SATORI, an updated variant of Mirai...

Satori IoT Botnet Exploits Zero-Day to Zombify Huawei Routers

Although the original creators of the infamous IoT malware Mirai have already been arrested and sent to jail, the variants of the notorious botnet are still in the game due to the availability of its source code on the Internet. Hackers have widely used the infamous IoT malware to quietly amass a...

Beware of Cryptocurrency Mining Virus Spreading Through Facebook Messenger

If you receive a video file packed in zip archive sent by someone or your friends on your Facebook messenger — just don't click on it. Researchers from security firm Trend Micro are warning users of a new cryptocurrency mining bot which is spreading through Facebook Messenger and targeting Google...

CVE-2017-17484

The ucnvUTF8FromUTF8 function in ucnvu8.cpp in International Components for Unicode ICU for C/C++ through 60.1 mishandles ucnvconvertEx calls for UTF-8 to UTF-8 conversion, which allows remote attackers to cause a denial of service stack-based buffer overflow and application crash or possibly hav...

CVE-2017-17484

CVE-2017-17484 affects the ICU library (ucnv_UTF8FromUTF8 in ucnv_u8.cpp). The issue arises from mishandling ucnv_convertEx calls for UTF-8 to UTF-8, enabling a remote attacker to trigger a denial of service via a stack-based buffer overflow or related crash, as demonstrated with ZNC. Connected I...

CVE-2017-14952

Double free in i18n/zonemeta.cpp in International Components for Unicode ICU for C/C++ through 59.1 allows remote attackers to execute arbitrary code via a crafted string, aka a "redundant UVector entry clean up function call" issue...

This Week in Security News

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. Below you’ll find a quick recap of topics followed by links to news articles and/or our blog posts providing additional insight. Be sure to check back...

A simple example of a complex cyberattack

We're already used to the fact that complex cyberattacks use 0-day vulnerabilities, bypassing digital signature checks, virtual file systems, non-standard encryption algorithms and other tricks. Sometimes, however, all of this may be done in much simpler ways, as was the case in the malicious...

Linux Trojan Using Hacked IoT Devices to Send Spam Emails

Botnets, like Mirai, that are capable of infecting Linux-based internet-of-things IoT devices are constantly increasing and are mainly designed to conduct Distributed Denial of Service DDoS attacks, but researchers have discovered that cybercriminals are using botnets for mass spam mailings. New...

Thousands of Elasticsearch Servers Hijacked to Host PoS Malware

Thousands of insecure Elasticsearch servers are hosting point-of-sale malware, according to an analysis by Kromtech Security Center. In total, researchers found 15,000 insecure Elasticsearch servers with 27 percent 4,000 hosting the PoS malware strains Alina and JackPoS. “The absence of...

WireX Variant Capable of UDP Flood Attacks

The WireX botnet presented defenders with many superlatives: the largest mobile botnet ever; hundreds of mobile apps spreading application-layer DDoS malware; unprecedented cooperation between technology companies—even competitors—to halt some of its activities. And now a companion piece to WireX...

Jimmy Nukebot: from Neutrino with love

"You FOOL! This isn't even my final form!" In one of our previous articles, we analyzed the NeutrinoPOS banker as an example of a constantly evolving malware family. A week after publication, this Neutrino modification delivered up a new malicious program classified by Kaspersky Lab as...

ShadowPad in corporate networks

ShadowPad, part 2: Technical Details PDF In July 2017, during an investigation, suspicious DNS requests were identified in a partner's network. The partner, which is a financial institution, discovered the requests originating on systems involved in the processing of financial transactions. Furth...

[SECURITY] Fedora 25 Update: gsoap-2.8.30-2.fc25

The gSOAP Web services development toolkit offers an XML to C/C++ language binding to ease the development of SOAP/XML Web services in C and C/C++...

[SECURITY] Fedora 26 Update: gsoap-2.8.43-2.fc26

The gSOAP Web services development toolkit offers an XML to C/C++ language binding to ease the development of SOAP/XML Web services in C and C/C++...

Hackers Leverage Chat for Command&Control: How You Can Protect Your Business

Chat platforms have become a cornerstone for businesses and their customers alike. These important tools make it possible for employees to communicate and collaborate from nearly any location, and enable consumers to reach out to companies in accordance with their preferences. This fondness for...