WastedLocker: technical analysis

The use of crypto-ransomware in targeted attacks has become an ordinary occurrence lately: new incidents are being reported every month, sometimes even more often. On July 23, Garmin, a major manufacturer of navigation equipment and smart devices, including smart watches and bracelets, experience...

New AgentTesla variant steals WiFi credentials

AgentTesla is a .Net-based infostealer that has the capability to steal data from different applications on victim machines, such as browsers, FTP clients, and file downloaders. The actor behind this malware is constantly maintaining it by adding new modules. One of the new modules that has been...

Critical Patch Released for 'Wormable' SMBv3 Vulnerability — Install It ASAP!

Microsoft today finally released an emergency software update to patch the recently disclosed very dangerous vulnerability in SMBv3 protocol that could let attackers launch wormable malware, which can propagate itself from one vulnerable computer to another automatically. The vulnerability, track...

CB Threat Analysis Unit: Technical Analysis of “Crosswalk”

The technical analysis is related to the TAU-TIN for the same malware which can be located in this post. FireEye recently reported on APT41, a Chinese state sponsored espionage group. The group has been documented as targeting healthcare, high-tech, and telecommunications companies for traditiona...

CB TAU Threat Intelligence Notification: Winnti Malware 4.0

Winnti is a family of malware used by multiple Chinese threat actors like APT41. Carbon Black’s Threat Analysis Unit TAU is providing this technical analysis, YARA rules, IOCs and product rules for the research community. Behavioral Summary Winnti malware is installed manually with stolen...

Microsoft Windows Text Services Framework MSCTF - Multiple Vulnerabilities

The msctf subsystem is part of the Text Services Framework, The TSF manages things like input methods, keyboard layouts, text processing and so on. There are two main components, the ctfmon server and the msctf client. The ctfmon service creates an ALPC port in a well known location, to which...

WhatsApp Zero-Day Exploited in Targeted Spyware Attacks

UPDATE WhatsApp is urging users to update as soon as possible, after a zero-day vulnerability found in its messaging platform was exploited by attackers who were able to inject spyware onto victims’ phones in targeted campaigns. First reported by the Financial Times, the popular messaging app...

TP-Link Routers Vulnerable to Zero-Day Buffer Overflow Attack

Two models of TP-Link’s budget routers are vulnerable to zero-day flaws that allow attackers to take control of both. The routers in question are models TP-Link WR940N and TL-WR941ND, according IBM Security, which found the bugs and posted a technical analysis on its discoveries on Monday. “In th...

LogicalDOC 8.2 Path Traversal Vulnerability

Impact In order to exploit this vulnerability an attacker needs to be an authenticated read-only user of the role guest. The attacker can read arbitrary files and create arbitrary directories on the server with the permissions of the user running the web server. It is recommended to update...

Analysis and mitigation of L1 Terminal Fault (L1TF)

In January 2018, Microsoft released an advisory and security updates for a new class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown. In this blog post, we will provide a technical analysis of a new speculative execution side channel...

Analysis and mitigation of L1 Terminal Fault (L1TF)

In January 2018, Microsoft released an advisory and security updates for a new class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown. In this blog post, we will provide a technical analysis of a new speculative execution side channel...

Spartacus ransomware: introduction to a strain of unsophisticated malware

Spartacus ransomware is a new sample that has been circulating in 2018. Written in C, the original sample is obfuscated, which we will go over as we extract it to its readable state. Spartacus is a relatively straight-forward ransomware sample and uses some similar techniques and code to others w...

Threat Analysis: ROKRAT Malware

ROKRAT also referred to as DOGcall is a family of malware that has been used by attackers originating from North Korea. The family continues to evolve and adopt techniques from other families also used by the same attack group. The ROKRAT core payload is typically deployed by a loader, which has...

We’re moving to Microsoft Secure

We’re packing up and moving! Starting January 2018, we’ll move our blogs to Microsoft Secure. At Microsoft Secure, you will find technical information for Office 365, Microsoft Azure, and Windows, alongside product updates, cybersecurity guidance, industry trends, and more. You can expect the sam...

how2heap vulnerability technical research and analysis summary of-under-vulnerability warning-the black bar safety net

"how2heap"is shellphish team at Github on the open source stack flaws tutorial series. I this period of time non-stop in the refresher heap of flaws in the application of common sense,to see these applied skills in the future feel rewarding. This article is my training this tutorial series after ...

Thousands of Security Experts Work Together to Collectively Combat Petya / NotPetya Ransomware Attack

On Tuesday, Carbon Black’s community of security experts began working together with Carbon Black Threat Research to rapidly analyze the new ransomware family that was hitting organizations from Russia to Britain. More than 100 customers and partners communicated IOCs as the attack hit. “I heard...

8 on 1 9: The Shadow-Brokers the leaked file description, technical analysis on-the vulnerability warning-the black bar safety net

! 0x01 exposure data with the equation and NSA relationship From the leaked data packet with the decompressed content to see, specifically for the firewall device attack and penetration action when the use of the tool set. According to the data exposed persons Shadow Brokers described, this packe...

Cisco repair Shadow Brokers announced the vulnerability and released technical analysis-vulnerability warning-the black bar safety net

A, event summary 2 0 1 6 years 8 on 1 5 December, a named“The Shadow Brokers”the shadow broker-hacking group claims to Own the intrusion of the Equation Group equation organization of hacking an organization's computer system, and successfully steal a lot of confidential information and hacker...

Struts2 devMode turned on under the condition remote code execution vulnerability

Details source: ADLab Qimingxing e ADLab researchers found that when Struts2 in devMode mode When set to true, there is a serious remote code execution vulnerability. If the WebService to start a permission is the highest permission, can remotely execute arbitrary commands, including shutdown, to...

QQ browser privacy disclosure report-vulnerability warning-the black bar safety net

0x00 description QQ browser is Tencent development of a web browser, for Android, Windows, Mac and iOS and other platforms. Compared to the built-in browser, QQ browser provides richer functionality, for example, increase the tag window, and integrating the chat platform, etc. In the report a...