Malwarebytes CrackMe 2: contest summary

About three weeks ago, we published our second CrackMe. It triggered a lot of interest, and we got many high-quality write-ups. Choosing the winner was really difficult! In this post, I am going to summarize the contest and comment on the received submissions. CrackMe 2 challenge The topic of the...

CenoCipher - Easy-To-Use, End-To-End Crypto-Communication Tool

CenoCipher is a free, open-source, easy-to-use tool for exchanging secure encrypted communications over the internet. It uses strong cryptography to convert messages and files into encrypted cipher-data, which can then be sent to the recipient via regular email or any other channel available, suc...

Variant of SynAck Malware Adopts Doppelgänging Technique

Researchers have identified a new variant of the SynAck ransomware that is now using the newly identified Process Doppelgänging to slip past antivirus programs. Researchers said this is the first ransomware seen in the wild to employ the approach. Both SynAck ransomware and Process Doppelgänging...

First-Ever Ransomware Found Using 'Process Doppelgänging' Attack to Evade Detection

Security researchers have spotted the first-ever ransomware exploiting Process Doppelgänging, a new fileless code injection technique that could help malware evade detection. The Process Doppelgänging attack takes advantage of a built-in Windows function, i.e., NTFS Transactions, and an outdated...

Get Dashlane Password Manager Premium (50% + 10% OFF)

Happy 'World Password Day'! Today is a good time for you to audit your password practices and stop using terrible passwords to protect your online accounts. Experts advice that: Your password must—be long Your password must—be unpredictable Your password must—have at least one number Your passwor...

Auth tag forgery vulnerability with AES-GCM encrypted JWT

Ruby's OpenSSL bindings do not check the length of the supplied authentication tag when decrypting an authenticated encryption mode such as AES-GCM, leaving this up to the authors of a gem/app to implement for properly validating the message. json-jwt was not checking for the authentication tag...

CVE-2015-9123

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile, Snapdragon Wear, and Small Cell SoC FSM9055, IPQ4019, MDM9206, MDM9607, MDM9615, MDM9625, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 425, SD 430, SD...

Information disclosure

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile, Snapdragon Wear, and Small Cell SoC FSM9055, IPQ4019, MDM9206, MDM9607, MDM9615, MDM9625, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 425, SD 430, SD...

CVE-2015-9123

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile, Snapdragon Wear, and Small Cell SoC FSM9055, IPQ4019, MDM9206, MDM9607, MDM9615, MDM9625, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 425, SD 430, SD...

CVE-2018-8117

A security feature bypass vulnerability exists in the Microsoft Wireless Keyboard 850 which could allow an attacker to reuse an AES encryption key to send keystrokes to other keyboard devices or to read keystrokes sent by other keyboards for the affected devices, aka "Microsoft Wireless Keyboard...

Security feature bypass

A security feature bypass vulnerability exists in the Microsoft Wireless Keyboard 850 which could allow an attacker to reuse an AES encryption key to send keystrokes to other keyboard devices or to read keystrokes sent by other keyboards for the affected devices, aka "Microsoft Wireless Keyboard...

CVE-2018-8117

A security feature bypass vulnerability exists in the Microsoft Wireless Keyboard 850 which could allow an attacker to reuse an AES encryption key to send keystrokes to other keyboard devices or to read keystrokes sent by other keyboards for the affected devices, aka "Microsoft Wireless Keyboard...

Microsoft Wireless Keyboard 850 Security Feature Bypass Vulnerability

A security feature bypass vulnerability exists in the Microsoft Wireless Keyboard 850 which could allow an attacker to reuse an AES encryption key to send keystrokes to other keyboard devices or to read keystrokes sent by other keyboards for the affected devices. An attacker would first have to...

Encryption 101: Decryptor’s thought process

In the previous parts 1, 2 and 3 of this series, we covered the basics of encryption, walked through a live example of a ransomware in detail, and talked about encryption weaknesses. In this part of the encryption 101 series, we will begin wrapping it up by going into detail on a ransomware with...

SUSE SLES12 Security Update : java-1_8_0-ibm (SUSE-SU-2018:0665-1)

This update for java-180-ibm fixes the following issues : - Removed java-180-ibm-alsa and java-180-ibm-plugin entries in baselibs.conf due to errors in osc sourcevalidator Version update to 8.0.5.10 bsc1082810 - Security fixes: CVE-2018-2639 CVE-2018-2638 CVE-2018-2633 CVE-2018-2637 CVE-2018-2634...

Encryption 101: How to break encryption

Continuing on in our Encryption 101 series, where we gave a malware analyst's primer on encryption and demonstrated encryption techniques using ShiOne ransomware, we now look at what it takes to break an encryption. In order for something as powerful as encryption to break, there needs to be some...

Encryption 101: ShiOne ransomware case study

In part one of this series, Encryption 101: a malware analyst's primer, we introduced some of the basic encryption concepts used in malware. If you haven't read it, we suggest going back for a review, as it's necessary in order to be able to fully follow part two, our case study. In this study, w...

Open-Source Whistleblowing Framework: GlobaLeaks

GlobaLeaks is an open-source, free software intended to enable secure and anonymous whistleblowing initiatives developed by the Hermes Center for Transparency and Digital Human Rights . It is an Open Whistleblowing Framework that can be used in many different usage scenarios that may require very...

Hardcoded credentials

An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3. There is an Smintencrypt Hardcoded AES Key that can be used for packet decryption obtaining cleartext credentials by an attacker who has access to a wired port...

CVE-2018-5797

The CVE-2018-5797 entry concerns Extreme Networks ExtremeWireless WiNG (versions 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3). The root cause is a hardcoded Smint_encrypt AES key which can be used to decrypt packets and obtain cleartext credentials. This affects devices where an attacker has acce...