The ProxyLogon, ProxyShell, ProxyNotShell, and OWASSRF exploit chains were used to attack Microsoft Exchange servers across a range of sectors including real estate, law firms, manufacturing, consulting, wholesale, and arts and entertainment.
Exploitation of the flaws resulted in systems infected with web shells, ransomware, remote access tools, and backdoors.
Multiple legitimate Windows binaries were used to carry out the attacks including PowerShell, Rundll32, Ping, and Net.
Sign Up For Threat Alerts
Mar 23, 2023
HiatusRAT Targets SOHO Routers
Business grade routers are being infected with the HiatusRAT Remote Access Trojan a variant of...
Mar 23, 2023
HiatusRAT Targets SOHO Routers
Business grade routers are being infected with the HiatusRAT Remote Access Trojan a variant of...
Mar 21, 2023
Dotrunpex – Demystifying new virtualized .net injector...
DotRunpeX is a new injector written in .NET using the Process Hollowing technique and used...
Mar 21, 2023
GlobeImposter Ransomware With MedusaLocker Spreading Via RDP
A GlobeImposter ransomware campaign was discovered being carried out by the attackers behind MedusaLocker. The...
Mar 20, 2023
Common credential stealers
FortiGuard Threat Research has observed an increasing threat arising from credential stealers. The most common...
Mar 20, 2023
Sirattacker And ALC Ransomware Analysis
The Sirattacker and ALC ransomware families continue to gain traction and compromise Microsoft Windows devices....
Mar 19, 2023
Google Advertising Used To Distribute RedLine Stealer
A malvertising campaign was discovered mimicking websites belonging to well-known software such as Notepad++ and...
Mar 16, 2023
Microsoft Outlook Elevation of Privilege Vulnerability Exploit
Microsoft has posted a security vulnerability CVE-2023-23397, exploiting it allows attackers to gain elevated privileges...
Mar 16, 2023
ImBetter Information Stealer Targets Cryptocurrency Users
Threat actors are targeting cryptocurrency users with the ImBetter information stealer malware. Adversaries are hosting...
Mar 16, 2023
ImBetter Information Stealer Targets Cryptocurrency Users
Threat actors are targeting cryptocurrency users with the ImBetter information stealer malware. Adversaries are hosting...
Mar 15, 2023
US Cert Alert – Threat Actors Exploit...
CISA and authoring organizations assess that, beginning as late as November 2022, threat actors successfully...
Mar 15, 2023
Threat Actors Use ParallaxRAT For Targeting Cryptocurrency...
Threat actors are targeting organization in the cryptocurrency sector with spam and phishing campaigns that...
Mar 13, 2023
Exposing The Lazarus Arsenal WinorDLL64 Backdoor
In 2021 the researchers discovered and dissected a tool from the Lazarus APTs arsenal named...
Mar 12, 2023
Clasiopa New Group Targets Materials Research
A campaign targeting the materials research sector with custom and commodity utilities and malware is...
Mar 09, 2023
New Emotet campaign
Emotet is a type of malware that is designed to steal sensitive information from infected...