===================== = End-of-Day report = =====================

Timeframe: Freitag 06-11-2020 18:00 − Montag 09-11-2020 18:00 Handler: Thomas Pribitzer Co-Handler: Stephan Richter

===================== = News = =====================

∗∗∗ Hacker haben mehrfach Sourcecode aus SonarQube-Instanzen abgegriffen ∗∗∗ --------------------------------------------- Das FBI warnte bereits im Oktober vor einem Angriff auf Installationen unter anderem von US-Regierungsbehörden, aber auch privater Firmen. --------------------------------------------- https://heise.de/-4951630

∗∗∗ Lets Encrypt: Alte Android-Geräte bekommen Probleme mit Millionen Seiten ∗∗∗ --------------------------------------------- Der Zertifikatswechsel bei Lets Encrypt sorgt für Probleme bei einem Drittel aller Android-Geräte. Die Lösung dafür ist der Firefox. --------------------------------------------- https://www.golem.de/news/let-s-encrypt-alte-android-geraete-bekommen-proble...

∗∗∗ New Pay2Key ransomware encrypts networks within one hour ∗∗∗ --------------------------------------------- A new ransomware called Pay2Key has been targeting organizations from Israel and Brazil, encrypting their networks within an hour in targeted attacks still under investigation. --------------------------------------------- https://www.bleepingcomputer.com/news/security/new-pay2key-ransomware-encryp...

∗∗∗ How Ryuk Ransomware operators made $34 million from one victim ∗∗∗ --------------------------------------------- One hacker group that is targeting high-revenue companies with Ryuk ransomware received $34 million from one victim in exchange for the decryption key that unlocked their computers. --------------------------------------------- https://www.bleepingcomputer.com/news/security/how-ryuk-ransomware-operators...

∗∗∗ Gitpaste-12 Worm Targets Linux Servers, IoT Devices ∗∗∗ --------------------------------------------- The newly discovered malware uses GitHub and Pastebin to house component code, and harbors 12 different initial attack vectors. --------------------------------------------- https://threatpost.com/gitpaste-12-worm-linux-servers-iot-devices/161016/

∗∗∗ Adventures in Anti-Gravity ∗∗∗ --------------------------------------------- Here we deconstruct a Mac variant of GravityRAT (the cross-platform spyware, known to target the Indian armed forces). --------------------------------------------- https://objective-see.com/blog/blog_0x5B.html

∗∗∗ Cryptojacking Targeting WebLogic TCP/7001, (Sat, Nov 7th) ∗∗∗ --------------------------------------------- This past week got some interesting logs targeting TCP/7001 (WebLogic CVE-2020-14882 - see previous diary[1][2]) looking to download and launch a shell script to install various cryptominer on the target. The shell script target SELINUX compatible hosts likely CentOS/RedHat, Ubuntu, etc to install various cryptominer applications. --------------------------------------------- https://isc.sans.edu/diary/rss/26768

∗∗∗ How Attackers Brush Up Their Malicious Scripts, (Mon, Nov 9th) ∗∗∗ --------------------------------------------- On Friday, I received a bunch of alerts from one of my YARA hunting rules. Several samples were submitted from the same account (through the VT API), from the same country (US), and in a very short period of time. All the submitted files were OLE2 files containing a malicious macro. All of them had a low VT score so it deserved some investigations. I downloaded the samples and had a look at them. --------------------------------------------- https://isc.sans.edu/diary/rss/26770

∗∗∗ When Threat Actors Fly Under the Radar: Vatet, PyXie and Defray777 ∗∗∗ --------------------------------------------- Vatet, PyXie and Defray777 are all associated with a financially motivated threat group. We aim to get these malware families on the radar. --------------------------------------------- https://unit42.paloaltonetworks.com/vatet-pyxie-defray777/

∗∗∗ xHunt Campaign: Newly Discovered Backdoors Using Deleted Email Drafts and DNS Tunneling for Command and Control ∗∗∗ --------------------------------------------- We observed evidence that the xHunt campaign used two backdoors on a compromised Microsoft Exchange Server at an organization in Kuwait. --------------------------------------------- https://unit42.paloaltonetworks.com/xhunt-campaign-backdoors/

===================== = Vulnerabilities = =====================

∗∗∗ Cisco stopft schwerwiegende Lücke in Webex Meetings für Windows ∗∗∗ --------------------------------------------- Die Schwachstelle kommt bei internen Tests ans Licht. Ein lokaler Angreifer kann Schadcode ausführen. Weitere Schwachstellen stecken im Web Network Recording Player und Webex Player. --------------------------------------------- https://www.zdnet.de/88389577/cisco-stopft-schwerwiegende-luecke-in-webex-me...

∗∗∗ WordPress Sites Open to Code Injection Attacks via Welcart e-Commerce Bug ∗∗∗ --------------------------------------------- The shopping cart application contains a PHP object-injection bug. --------------------------------------------- https://threatpost.com/wordpress_open_to_attacks_welcart_bug/161037/

∗∗∗ Security updates for Monday ∗∗∗ --------------------------------------------- Security updates have been issued by CentOS (bind, firefox, java-1.8.0-openjdk, kernel, libX11, qemu-kvm, thunderbird, and xorg-x11-server), Debian (guacamole-server, krb5, libexif, poppler, raptor2, and sympa), Fedora (blueman, chromium, freetype, galera, krb5, libtpms, mariadb, mariadb-connector-c, pngcheck, and salt), Mageia (blueman, docker, fontforge, junit, libproxy, libuv, mariadb, suricata, and webmin), openSUSE (apache-commons-httpclient, bluez, gnome-settings-daemon, gnome-shell, [...] --------------------------------------------- https://lwn.net/Articles/836676/