BackdoorDiplomacy targets the telecom industry in the Middle East

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary BackdoorDiplomacy, an advanced persistent threat APT gang with roots in China, is most likely behind a hostile campaign targeting the Middle East. The espionage action, aimed at a Middle Eastern telecom...

Chinese Hackers Target Middle East Telecoms in Latest Cyber Attacks

A malicious campaign targeting the Middle East is likely linked to BackdoorDiplomacy, an advanced persistent threat APT group with ties to China. The espionage activity, directed against a telecom company in the region, is said to have commenced on August 19, 2021 through the successful...

Worok Hackers Abuse Dropbox API to Exfiltrate Data via Backdoor Hidden in Images

A recently discovered cyber espionage group dubbed Worok has been found hiding malware in seemingly innocuous image files, corroborating a crucial link in the threat actor's infection chain. Czech cybersecurity firm Avast said the purpose of the PNG files is to conceal a payload that's used to...

LV Ransomware Exploited ProxyShell to target Jordan

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary LV ransomware as a service has been active since late 2020 The most recent infiltration entailed the compromise of the corporate environment of a Jordan based entity, leveraging the double extortion...

LV Ransomware Exploits ProxyShell in Attack on a Jordan-based Company

Our blog entry provides a look at an attack involving the LV ransomware on a Jordan-based company from an intrusion analysis standpoint...

Two Weeks of Monitoring ProxyNotShell (CVE-2022-41040 & CVE-2022-41082) Threat Activity

The Wordfence Threat Intelligence team has been monitoring exploit attempts targeting two zero-day vulnerabilities in Microsoft Exchange Server tracked as CVE-2022-41040 and CVE-2022-41082, collectively known as ProxyNotShell. These vulnerabilities are actively being exploited in the wild. At the...

Microsoft Exchange Server Vulnerabilities CVE-2022-41040 and CVE-2022-41082

On September 29, Microsoft security researchers announced two new zero-day vulnerabilities, CVE-2022-41040 and CVE-2022-41082 affecting Microsoft Exchange Server. The vulnerabilities allow remote code execution RCE when used in tandem. It is important to note that both require authenticated acces...

Cyber Attacks Against Middle East Governments Hide Malware in Windows Logo

An espionage-focused threat actor has been observed using a steganographic trick to conceal a previously undocumented backdoor in a Windows logo in its attacks against Middle Eastern governments. Broadcom's Symantec Threat Hunter Team attributed the updated tooling to a hacking group it tracks...

WARNING: New Unpatched Microsoft Exchange Zero-Day Under Active Exploitation

Security researchers are warning of previously undisclosed flaws in fully patched Microsoft Exchange servers being exploited by malicious actors in real-world attacks to achieve remote code execution on affected systems. The advisory comes from Vietnamese cybersecurity company GTSC, which...

Vulnerabilities found in Microsoft Exchange Sever

GTSC, a Vietnamese security company has found vulnerabilities in Microsoft Exchange Server 1. The vulnerabilities allow a malicious party able to execute a Server-Side Request Forgery and to execute arbitrary code. The vulnerabilities have similarities to the Exchange vulnerability from 2021 call...

CVE-2022-41040 and CVE-2022-41082: Unpatched Zero-Day Vulnerabilities in Microsoft Exchange Server

On Thursday, September 29, a Vietnamese security firm called GTSC published information and IOCs on what they claimed was a pair of unpatched Microsoft Exchange Server vulnerabilities being used in attacks on their customers’ environments dating back to early August 2022. The impact of...

Worok Hackers Target High-Profile Asian Companies and Governments

High-profile companies and local governments located primarily in Asia are the subjects of targeted attacks by a previously undocumented espionage group dubbed Worok that has been active since late 2020. "Worok's toolset includes a C++ loader CLRLoad, a PowerShell backdoor PowHeartBeat, and a C...

Researchers Detail Emerging Cross-Platform BianLian Ransomware Attacks

.jpg The operators of the emerging cross-platform BianLian ransomware have increased their command-and-control C2 infrastructure this month, a development that alludes to an increase in the group's operational tempo. BianLian, written in the Go programming language, was first discovered in mid-Ju...

IIS extensions are on the rise as backdoors to servers

The Microsoft 365 Defender Research Team has warned that attackers are increasingly leveraging Internet Information Services IIS extensions as covert backdoors into servers. IIS extensions are able to stay hidden in target environments and as such provide a long-term persistence mechanism for...

Malicious IIS Extensions Gaining Popularity Among Cyber Criminals for Persistent Access

Threat actors are increasingly abusing Internet Information Services IIS extensions to backdoor servers as a means of establishing a "durable persistence mechanism." That's according to a new warning from the Microsoft 365 Defender Research Team, which said that "IIS backdoors are also harder to...

Patchable and Preventable Security Issues Lead Causes of Q1 Attacks

Eighty-two percent of attacks on organizations in Q1 2022 were caused by the external exposure of a known vulnerabilities in the victim’s external-facing perimeter or attack surface. Those unpatched bugs overshadowed breach-related financial losses tied to human error, which accounted for 18...

Growling Bears Make Thunderous Noise

Growling Bears Make Thunderous Noise By Trellix · June 6, 2022 Per public attribution, Russian cybercriminal groups have always been active. Their tactics, techniques, and procedures TTPs have not significantly evolved over time, although some changes have been observed. Lately, the threat...

CISA Alert: Top 15 Routinely Exploited Vulnerabilities

The U.S. Cybersecurity & Infrastructure Security Agency has published its report on the top exploited vulnerabilities of 2021. This blog summarizes the report’s findings and how you can use Qualys VMDR to automatically detect and remediate these risks in your enterprise environment. The...

Hive Ransomware targets organizations with ProxyShell exploit

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Hive Ransomware has been active since its discovery in June 2021, and it is constantly deploying different backdoors, including the Cobalt Strike beacon, on Microsoft Exchange servers that are vulnerable to ProxyShell...

New Incident Report Reveals How Hive Ransomware Targets Organizations

A recent Hive ransomware attack carried out by an affiliate involved the exploitation of "ProxyShell" vulnerabilities in the Microsoft Exchange Server that were disclosed last year to encrypt an unnamed customer's network. "The actor managed to achieve its malicious goals and encrypt the...