CB TAU Threat Intelligence Notification: GandCrab 5.2 Ransomware Attempts to Delete Volume Shadow Copies

GandCrab 5.2 ransomware will append seven randomly generated strings as the file extension to each encrypted file and drop a ransom note named as ‘generated file extension-MANUAL.txt’, for example, “office.doc.uahmthl” and “UAHMTHL-MANUAL.txt”. It will also change the desktop background of the...

CB TAU Threat Intelligence Notification: CryptoMix Clop Ransomware Disables Startup Repair, Removes & Edits Shadow Volume Copies

Summary A wew variant of CryptoMix Clop ransomware has been distributed as a binary that is digitally signed and verified which makes it look like a legitimate executable. In addition, CryptoMix Clop ransomware will append ‘.clop’ or ‘.ciop’ as a file extension to the encrypted file and drop a...

TAU Threat Intelligence Notification: Shade Ransomware

Summary Recently there is a new wave of malicious spam campaign distributing Shade ransomware via sending malicious JavaScript attachments. The spam campaign was mainly targeting users from Russia, and the ransom note was written in both Russian and English. This variant of Shade ransomware will...

TAU Threat Intelligence Notification: BlackRouter Ransomware

According to the article from BleepingComputer, BlackRouter Ransomware was being promoted as a Ransomware-as-a-Service on Telegram by an Iranian developer. BlackRouter Ransomware will append ‘.BlackRouter’ as file extension to the encrypted file. In addition, it will attempt to delete volume shad...

TAU Threat Intelligence Notification – Crypt0r Ransomware

Summary Crypt0r ransomware is a new strain of ransomware that operates similar to WannaCry and NotPetya. When executed, it first checks for a hardcoded mutex value, and if it isn’t found, creates it as “crypt0r-mutex”. It then retrieves the temporary path of the currently logged in user, and...

Microsoft Windows - MsiAdvertiseProduct Arbitrary File Copy/Read Exploit

Exploit for windows platform in category local exploits The bug is in “MsiAdvertiseProduct” Calling this function will result in a file copy by the installer service. This will copy an arbitrary file that we can control with the first parameter into c:\windows\installer … a check gets done while...

Doppelganger - Python Script To Scan Duplicate Copies In A Given Directory

Doppelganger is a python script to scan duplicate copies in a given directory. This tool compare not only file names, but also file hashes to ensure no false search results. Features Find duplicate music Find duplicate videos Find duplicate pictures Find duplicate documents How doppelganger searc...

Click Here to Kill Everybody News

My latest book is doing well. And I've been giving lots of talks and interviews about it. I can recommend three interviews: the Cyberlaw podcast with Stewart Baker, the Lawfare podcast with Ben Wittes, and Le Show with Henry Shearer. My book talk at Google is also available. The Audible version w...

Design/Logic Flaw

Under certain circumstances the "fetch" API can return transient local copies of resources that were sent with a "no-store" or "no-cache" cache header instead of downloading a copy from the network as it should. This can result in previously stored, locally cached data of a website being accessib...

CVE-2018-5131

Under certain circumstances the "fetch" API can return transient local copies of resources that were sent with a "no-store" or "no-cache" cache header instead of downloading a copy from the network as it should. This can result in previously stored, locally cached data of a website being accessib...

Mozilla: Fetch API improperly returns cached copies of no-store/no-cache resources (MFSA 2018-07)

Under certain circumstances the "fetch" API can return transient local copies of resources that were sent with a "no-store" or "no-cache" cache header instead of downloading a copy from the network as it should. This can result in previously stored, locally cached data of a website being accessib...

Ransomware Roundup: Attacking Shadow Copies Featuring Cryptowall

Ransomware is innovating to spread faster, hit harder and increase its payout potential. New unknown variants pop up daily, and many leverage non-malware techniques to evade traditional defenses. Cryptowall is a perfect example of how modern ransomware is evolving, using new techniques to disable...

Excluding already redirected folders with UPM

Customers environment has Windows Settings\Folder Redirection setup for Documents or other folders. If UPM is also in use, the redirected folder might get a duplicate copy after UPM processes the logon. This is by design and expected...

In ExPetr/Petya’s shadow, FakeCry ransomware wave hits Ukraine

While the cyber-world was still shaking under the destructive ExPetr/Petya attack that hit on June 27, another ransomware attack targeting Ukraine at the same time went almost unnoticed. So far, all theories regarding the spread of ExPetr/Petya point into two directions: Distribution via trojaniz...

New Fileless Ransomware with Code Injection Ability Detected in the Wild

It is no secret that hackers and cybercriminals are becoming dramatically more adept, innovative, and stealthy with each passing day. While new forms of cybercrime are on the rise, traditional activities seem to be shifting towards more clandestine techniques that come with limitless attack vecto...

The Latest on WannaCry, UIWIX, EternalRocks and ShadowBrokers

Ransomware has gained global attention over the course of the last two weeks due to the huge spread of WannaCry. Following the initial attacks, we’ve seen UIWIX, Adylkuzz and now EternalRocks come onto the scene leveraging the same core set of vulnerabilities. The common thread between the three...

Fedora 22 : xorg-x11-server (2015-10336)

Upstream stable release of xserver 1.17.2 fix bug with glamor and overlapping copies CVE-2015-3164 Due to an omission in authentication setup, the XWayland server would start up in non-authenticating mode, meaning that any client with access to the server's UNIX socket was able to connect to the...

UBUNTU-CVE-2016-4538

The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the zero, one, or two global variable, which allows remote attackers to cause a denial of service or possibl...

IRS Releases Eighth Security Tip

The Internal Revenue Service IRS has released the eighth in a series of tips intended to help the public protect personal and financial data online and at home. A new tip will be available each Monday through the start of the tax season in January. This tip describes methods users should follow t...

EUVD-2015-5275

The shadowcopy2getshadowcopydata function in modules/vfsshadowcopy2.c in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 does not verify that the DIRECTORYLIST access right has been granted, which allows remote attackers to access snapshots by visiting a shadow copy...