Evolving trends in Iranian threat actor activity – MSTIC presentation at CyberWarCon 2021

Over the past year, the Microsoft Threat Intelligence Center MSTIC has observed a gradual evolution of the tools, techniques, and procedures employed by malicious network operators based in Iran. At CyberWarCon 2021, MSTIC analysts presented their analysis of these trends in Iranian nation state...

Unrestricted vestFor

Handle pauliax Vulnerability details Impact Anyone can call function vestFor and block any user with a tiny amount of Vader. This function has no auth checks so a malicious actor can front-run legit vestFor calls with insignificant amounts. This function locks the user for 365 days and does not...

Mac Zero Day Targets Apple Devices in Hong Kong

Since at least late August, attackers have been using flaws in macOS and iOS – including in-the-wild use of what was then a zero-day flaw – to install a backdoor on the Apple devices of users who visited Hong Kong-based media and pro-democracy sites. This isn’t a finely targeted campaign, but it’...

Design/Logic Flaw

The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customer’s computer...

CVE-2021-34420 Zoom Windows installation executable signature bypass

The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customer’s computer...

HTML smuggling surges: Highly evasive loader technique increasingly used in banking malware, targeted attacks

HTML smuggling, a highly evasive malware delivery technique that leverages legitimate HTML5 and JavaScript features, is increasingly used in email campaigns that deploy banking malware, remote access Trojans RATs, and other payloads related to targeted attacks. Notably, this technique was observe...

The vulnerability of Microsoft Exchange Server’s mail server, related to insufficient validation of input data, allows attackers to trigger service failures.

The vulnerability of Microsoft Exchange Server is related to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

Threat actor DEV-0322 exploiting ZOHO ManageEngine ADSelfService Plus

Microsoft has detected exploits being used to compromise systems running the ZOHO ManageEngine ADSelfService Plus software versions vulnerable to CVE-2021-40539 in a targeted campaign. Microsoft Threat Intelligence Center MSTIC attributes this campaign with high confidence to DEV-0322, a group...

Experts Detail Malicious Code Dropped Using ManageEngine ADSelfService Exploit

At least nine entities across the technology, defense, healthcare, energy, and education industries were compromised by leveraging a recently patched critical vulnerability in Zoho's ManageEngine ADSelfService Plus self-service password management and single sign-on SSO solution. The spying...

Unable to claim vesting due to unbounded timelock loop

Handle nathaniel Vulnerability details Impact The timelocks for any beneficiary are unbounded, and can be vested by someone who is not the beneficiary. When the array becomes significantly big enough, the vestments will no longer be claimable for the beneficiary. The vest function in Vesting.sol...

BlackMatter Ransomware Reportedly Shutting Down; Latest Analysis Released

An analysis of new samples of BlackMatter ransomware for Windows and Linux has revealed the extent to which the operators have continually added new features and encryption capabilities in successive iterations over a three-month period. No fewer than 10 Windows and two Linux versions of the...

CVE-2021-36192

An exposure of sensitive information to an unauthorized actor CWE-200 vulnerability in FortiManager 7.0.1 and below, 6.4.6 and below, 6.2.x, 6.0.x, 5.6.0 may allow a FortiGate user to see scripts from other ADOMS...

CVE-2021-36192

CVE-2021-36192 affects Fortinet FortiManager, where a FortiGate user could view scripts from other ADOMs due to an information-disclosure flaw. Affected: FortiManager 7.0.1 and earlier, 6.4.6 and earlier, 6.2.x, 6.0.x, 5.6.0. Root cause: exposure of sensitive ADOM-specific scripts to unauthorized...

CVE-2021-36192

An exposure of sensitive information to an unauthorized actor CWE-200 vulnerability in FortiManager 7.0.1 and below, 6.4.6 and below, 6.2.x, 6.0.x, 5.6.0 may allow a FortiGate user to see scripts from other ADOMS...

CVE-2021-36192

An exposure of sensitive information to an unauthorized actor CWE-200 vulnerability in FortiManager 7.0.1 and below, 6.4.6 and below, 6.2.x, 6.0.x, 5.6.0 may allow a FortiGate user to see scripts from other ADOMS...

FortiManager - ADOMs script information leaked in FortiGate CLI

An exposure of sensitive information to an unauthorized actor CWE-200 vulnerability in FortiManager may allow a FortiGate user to see scripts from other ADOMS...

NPM Library (ua-parser-js) Hijacked: What You Need to Know

Last Update: October 27, 2021 For approximately 4 hours on Friday, October 22, 2021, a widely utilized NPM package, ua-parser-js, was embedded with a malicious script intended to install a coinminer and harvest user/credential information. This package is used “to detect Browser, Engine, OS, CPU,...

VECTR - A Tool That Facilitates Tracking Of Your Red And Blue Team Testing Activities To Measure Detection And Prevention Capabilities Across Different Attack Scenarios

VECTR documentation can be found here: https://docs.vectr.io VECTR Community Discord Channel: https://discord.gg/2FRd8zf728 VECTR is a tool that facilitates tracking of your red and blue team testing activities to measure detection and prevention capabilities across different attack scenarios...

CVE-2021-41127 Maliciously Crafted Model Archive Can Lead To Arbitrary File Write in rasa

Rasa is an open source machine learning framework to automate text-and voice-based conversations. In affected versions a vulnerability exists in the functionality that loads a trained model tar.gz file which allows a malicious actor to craft a model.tar.gz file which can overwrite or replace bot...

TA551 Shifts Tactics to Install Sliver Red-Teaming Tool

The criminal threat group known as TA551 has added the Sliver red-teaming tool to its bag of tracks – a move that may signal ramped up ransomware attacks ahead, researchers said. According to Proofpoint researchers, TA551 aka Shathak has been mounting cyberattacks that start with email thread...