New SPECTRALVIPER Backdoor Targeting Vietnamese Public Companies

Vietnamese public companies have been targeted as part of an ongoing campaign that deploys a novel backdoor called SPECTRALVIPER. "SPECTRALVIPER is a heavily obfuscated, previously undisclosed, x64 backdoor that brings PE loading and injection, file upload and download, file and directory...

Stealth Soldier: A New Custom Backdoor Targets North Africa with Espionage Attacks

A new custom backdoor dubbed Stealth Soldier has been deployed as part of a set of highly-targeted espionage attacks in North Africa. "Stealth Soldier malware is an undocumented backdoor that primarily operates surveillance functions such as file exfiltration, screen and microphone recording,...

How To Test Port Connectivity Using PowerShell Without The Need To Install Telnet Client

Traditionally, admins will install the Telnet Client on a Windows machine to test the ability to reach a port on another computer. The purpose of this article is to provide instructions on how to test connectivity to a specific port on another device using Powershell and without the need to insta...

Microsoft Windows PowerShell Remote Command Execution Exploit

This python script mints a .ps1 file with an exploitable semicolon condition that allows for command execution from Microsoft Windows PowerShell. This is an updated exploit to work with Python3. from base64 import b64encode import argparse,sys,os PSTrojanFile.py By hyp3rlinx c 2023 ApparitionSec...

Microsoft Windows PowerShell Remote Command Execution

from base64 import b64encode import argparse,sys,os PSTrojanFile.py By hyp3rlinx c 2023 ApparitionSec hyp3rlinx.altervista.org twitter.com/hyp3rlinx twitter.com/malvuln PoC Video: https://www.youtube.com/watch?v=-ZJnA70Cf4I...

New PowerDrop Malware Targeting U.S. Aerospace Industry

An unknown threat actor has been observed targeting the U.S. aerospace industry with a new PowerShell-based malware called PowerDrop. "PowerDrop uses advanced techniques to evade detection such as deception, encoding, and encryption," according to Adlumin, which found the malware implanted in an...

MAAD-AF - MAAD Attack Framework - An Attack Tool For Simple, Fast And Effective Security Testing Of M365 And Azure AD

MAAD-AF is an open-source cloud attack tool developed for testing security of Microsoft 365 & Azure AD environments through adversary emulation. MAAD-AF provides security practitioners easy to use attack modules to exploit configurations across different M365/AzureAD cloud-based tools & services...

New Botnet Malware 'Horabot' Targets Spanish-Speaking Users in Latin America

Spanish-speaking users in Latin America have been at the receiving end of a new botnet malware dubbed Horabot since at least November 2020. "Horabot enables the threat actor to control the victim's Outlook mailbox, exfiltrate contacts' email addresses, and send phishing emails with malicious HTML...

Azure-AccessPermissions - Easy to use PowerShell script to enumerate access permissions in an Azure Active Directory environment

Easy to use PowerShell script to enumerate access permissions in an Azure Active Directory environment. Background details can be found in the accompanied blog posts: Untangling Azure Active Directory Principals & Access Permissions Untangling Azure Active Directory Permissions II: Privileged...

CISA issues warning to US businesses: Beware of China's state-sponsored cyber actor

The US Cybersecurity and Infrastructure Security Agency CISA has an urgent message for US businesses: watch out for Volt Typhoon, a threat actor sponsored by the Peoples Republic of China PRC. The agency's joint Cybersecurity Advisory CSA published last week highlights a cluster of tactics,...

Dark Pink APT Group Leverages TelePowerBot and KamiKakaBot in Sophisticated Attacks

The threat actor known as Dark Pink has been linked to five new attacks aimed at various entities in Belgium, Brunei, Indonesia, Thailand, and Vietnam between February 2022 and April 2023. This includes educational institutions, government agencies, military bodies, and non-profit organizations,...

Actors, Threats and Vulnerabilities 22 to 28 May 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs recently made several significant discoveries related to cybersecurity threats. Over the past week, the fact that there were a total of ten attacks executed, taking advantage of four different vulnerabilities in vario...

Can't Logoff Ghost Sessions “-” from Citrix Studio

Can't logoff the session in Studio, which is not even shown in VDAtask manager. Customer tried to hide the session with the below Powershell command, but this ghost session record still exists on Studio. "Get-BrokerSession -username Domain\username | Set-BrokerSession -hidden $true" Need to figur...

New PowerExchange Backdoor Used in Iranian Cyber Attack on UAE Government

An unnamed government entity associated with the United Arab Emirates U.A.E. was targeted by a likely Iranian threat actor to breach the victim's Microsoft Exchange Server with a "simple yet effective" backdoor dubbed PowerExchange. According to a new report from Fortinet FortiGuard Labs, the...

New PowerExchange Backdoor Used in Iranian Cyber Attack on UAE Government

An unnamed government entity associated with the United Arab Emirates U.A.E. was targeted by a likely Iranian threat actor to breach the victim's Microsoft Exchange Server with a "simple yet effective" backdoor dubbed PowerExchange. According to a new report from Fortinet FortiGuard Labs, the...

Store Creation Fails with "Set-DSNewClusterEnvironment" privilege related errors

The below error occured when the user is creating new stores on the Storefront server: Citrix.DeliveryServices.PowerShell.Command.RunnerInterfaces.Exceptions.PowerShellExecutionException: An error occurred running the command: 'Set-DSNewClusterEnvironment' Not possible to enable all the required...

Notorious Cyber Gang FIN7 Returns With Cl0p Ransomware in New Wave of Attacks

The notorious cybercrime group known as FIN7 has been observed deploying Cl0p aka Clop ransomware, marking the threat actor's first ransomware campaign since late 2021. Microsoft, which detected the activity in April 2023, is tracking the financially motivated actor under its new taxonomy Sangria...

8220 Gang Exploiting Oracle WebLogic Flaw to Hijack Servers and Mine Cryptocurrency

The notorious cryptojacking group tracked as 8220 Gang has been spotted weaponizing a six-year-old security flaw in Oracle WebLogic servers to ensnare vulnerable instances into a botnet and distribute cryptocurrency mining malware. The flaw in question is CVE-2017-3506 CVSS score: 7.4, which, whe...

Minas – on the way to complexity

Sometimes when investigating an infection and focusing on a targeted attack, we come across something we were not expecting. The case described below is one such occurrence. In June 2022, we found a suspicious shellcode running in the memory of a system process. We decided to dig deeper and...

#StopRansomware: BianLian Ransomware Group

Actions to take today to mitigate cyber threats from BianLian ransomware and data extortion: 1. Strictly limit the use of RDP and other remote desktop services. 2. Disable command-line and scripting activities and permissions. 3. Restrict usage of PowerShell and update Windows PowerShell or...