A week in security (December 04 – December 10)

Last week on the blog, we looked at a RIG EK malware campaign, explored how children are being tangled up in money mule antics, took a walk through the world of Blockchain, and gave a rundown of what's involved when securing web applications. We also laid out the trials and tribulations of the...

TeamViewer Detection (Windows SMB Login)

SMB login-based detection of TeamViewer. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only include"pluginfeedinfo.inc"; ifdescription...

Teamviewer Session Hijacking Vulnerability

Teamviewer is vulnerable to session hijacking. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:teamviewer:teamviewer";...

TeamViewer Installed (macOS)

Binary data macosteamviewerinstalled.nbin...

TeamViewer Permissions Vulnerability (macOS)

According to its version number, the TeamViewer install on the remote macOS or Mac OS X host is a version prior to 11.0.73955, 12.0.82953, or 13.0.5640. It is, therefore, affected by a permissions vulnerability than can result in unauthorized remote control. During an authenticated connection it...

TeamViewer Permissions Vulnerability (Windows)

According to its version number, the TeamViewer install on the remote Windows host is a version prior to 11.0.89975, 12.0.89970, or 13.0.5640. It is, therefore, affected by a permissions vulnerability than can result in unauthorized remote control. During an authenticated connection it may be...

Use TeamViewer? Fix this dangerous permissions bug with an update

TeamViewer, the remote control/web conference program used to share files and desktops, is suffering from a case of "patch it now." Issued yesterday, the fix addresses an issue where one user can gain control of another's PC without permission. Windows, Mac, and LinuxOS are all apparently affecte...

New TeamViewer Hack Could Allow Clients to Hijack Viewers' Computer

Do you have remote support software TeamViewer installed on your desktop? If yes, then you should pay attention to a critical vulnerability discovered in the software that could allow users sharing a desktop session to gain complete control of the other's PC without permission. TeamViewer is a...

TeamViewer Rushes Fix for Permissions Bug

Remote support software company TeamViewer said Tuesday it issued a hotfix for a bug that allows users sharing a desktop session to gain control of the other’s computer without permission. The bug was first publicized by a Reddit user “xpl0yt” on Monday who linked to a proof-of-concept example of...

TeamViewer 11 13 (Windows 10 x86) - Inline Hooking Direct Memory Modification Permission Change

TeamViewer 11 13 Windows 10 x86 - Inline Hooking Direct Memory Modification Permission Change TeamViewer Permissions Hook V1 --- A proof of concept injectable C++ DLL, that uses naked inline hooking and direct memory modification to change TeamViewer permissions. Features As the Server - Enables...

TeamViewer 11 < 13 (Windows 10 x86) - Inline Hooking / Direct Memory Modification Permission Change

TeamViewer Permissions Hook V1 --- A proof of concept injectable C++ DLL, that uses naked inline hooking and direct memory modification to change TeamViewer permissions. Features As the Server - Enables extra menu item options on the right side pop-up menu. Most useful so far to enable the "switc...

Data Stealing Malware TeamSpy Resurfaces in Spam Campaign

After almost a four-year respite, the data-stealing TeamSpy malware has resurfaced, or at least that’s what a spam campaign detected over the weekend suggests, researchers say. Researchers at the CrySyS Lab in Hungary originally identified the malware back in March 2013 when they traced it back t...

NetWire RAT Back, Stealing Payment Card Data

The remote access Trojan NetWire is back and this time making the rounds pilfering payment card data. The move is a shift for attackers behind notorious NetWire, that was once thought to be the first multi-platform RAT. Over the last couple of years payment card breaches have been mostly synonymo...

TeamViewer 11.0.65452 (x64) - Local Credentials Disclosure

Exploit for windows platform in category local exploits TeamViewer 11.0.65452 64 bit Local Credentials Disclosure Tested on Windows 7 64bit, English Vendor Homepage @ https://www.teamviewer.com/ Date 07/09/2016 Bug Discovered by Alexander Korznikov https://www.linkedin.com/in/nopernik...

TeamViewer 11.0.65452 (64bit) Credential Disclosure

TeamViewer 11.0.65452 64 bit Local Credentials Disclosure Tested on Windows 7 64bit, English Vendor Homepage @ https://www.teamviewer.com/ Date 07/09/2016 Bug Discovered by Alexander Korznikov https://www.linkedin.com/in/nopernik http://www.korznikov.com | @nopernik Special Thanks to: Viktor Mini...

TeamViewer 11.0.65452 (x64) - Local Credentials Disclosure

TeamViewer 11.0.65452 x64 - Local Credentials Disclosure TeamViewer 11.0.65452 64 bit Local Credentials Disclosure Tested on Windows 7 64bit, English Vendor Homepage @ https://www.teamviewer.com/ Date 07/09/2016 Bug Discovered by Alexander Korznikov https://www.linkedin.com/in/nopernik...

TeamViewer 11.0.65452 (x64) - Local Credentials Disclosure

TeamViewer 11.0.65452 64 bit Local Credentials Disclosure Tested on Windows 7 64bit, English Vendor Homepage @ https://www.teamviewer.com/ Date 07/09/2016 Bug Discovered by Alexander Korznikov https://www.linkedin.com/in/nopernik http://www.korznikov.com | @nopernik Special Thanks to: Viktor Mini...

Has Your TeamViewer Account Been Hacked? Here's What to Do Immediately

Do you have remote login software TeamViewer installed on your desktop? If Yes, then it could be possible that your system can be accessed by attackers to steal your personal details, including your bank and PayPal accounts, as several reports on Reddit and Twitter suggests. According to recent...

On TeamViewer, the MySpace and Tumblr Breaches, and the 90K Windows Zero Day

Mike Mimoso and Chris Brook discuss the news of the week, including the back and forth around whether or not TeamViewer was hacked, the fallout around the years-old MySpace and Tumblr breaches, and a 90K Windows zero day. Download: ThreatpostNewsWrap-June32016.mp3 Music by Chris Gonsalves...

TeamViewer Denies Hack, Blames Password Reuse for Compromises

Remote support software company TeamViewer continues to contest claims this week it was hacked and instead claims that password reuse and careless user actions may have led to some of its customers’ machines being compromised. The German company has been vigilant with its stance since posting a...