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Technical Archive

Evolving Threats: The Adaptive Design of XWorm Malware

Evolving Threats: The Adaptive Design of XWorm Malware

Estimated reading time: 4 minutes

Introduction XWorm is an evasive and flexible malware recognized for its modular design. It uses obfuscation techniques to avoid detection. It communicates with a Command and Control server and executes malicious activities. After execution, the malware decrypts its configuration...
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November 25, 2024

Operation Cobalt Whisper: Threat Actor Targets Multiple Industries Across Hong Kong and Pakistan.

Operation Cobalt Whisper: Threat Actor Targets Multiple Industries Across Hong Kong and Pakistan.

Estimated reading time: 11 minutes

Contents Introduction Key Targets. Industries Affected. Geographical Focus. Initial Findings. Looking into the decoy-document – I Looking into the decoy-document – II Infection Chain. Technical Analysis Stage 1 – Malicious LNK Script & VBScript. Stage 2 – Malicious Cobalt...
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October 24, 2024

Unlock Security: The Power of Network Segmentation

Unlock Security: The Power of Network Segmentation

Estimated reading time: 6 minutes

In the wake of numerous security incidents in which attackers exploited unsegmented networks to spread malware and access sensitive data, it’s clear that traditional network architectures often fail to prevent the lateral movement of threats. This blog will illustrate...
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August 23, 2024

Unmasking Cronus: How Fake PayPal Documents Deliver Fileless Ransomware via PowerShell

Unmasking Cronus: How Fake PayPal Documents Deliver Fileless Ransomware via PowerShell

Estimated reading time: 8 minutes

Seqrite Labs APT-Team has recently discovered multiple campaigns involving fake PayPal lures. These are targeting individuals around the globe with a new variant of ransomware known as Cronus. In this case, the malware is developed in PowerShell and is...
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August 6, 2024

Pakistani APTs Escalate Attacks on Indian Gov. Seqrite Labs Unveils Threats and Connections

Pakistani APTs Escalate Attacks on Indian Gov. Seqrite Labs Unveils Threats and Connections

Estimated reading time: 11 minutes

In the recent past, cyberattacks on Indian government entities by Pakistan-linked APTs have gained significant momentum. Seqrite Labs APT team has discovered multiple such campaigns during telemetry analysis and hunting in the wild. One such threat group, SideCopy, has...
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April 24, 2024

CVE-2024-3094 Unveiled: XZ Utils Compromise Sparks Security Alarm

CVE-2024-3094 Unveiled: XZ Utils Compromise Sparks Security Alarm

Estimated reading time: 3 minutes

On Friday, March 29, developer Andres Freund detected unusual behavior in his Debian sid environment. In response, he contacted an open-source security mailing list to report his discovery of an upstream backdoor in the commonly used command-line tool XZ...
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April 11, 2024

MedusaLocker Ransomware: An In-Depth Technical Analysis and Prevention Strategies

MedusaLocker Ransomware: An In-Depth Technical Analysis and Prevention Strategies

Estimated reading time: 5 minutes

Our recent research has highlighted the presence of the MedusaLocker ransomware, which first surfaced in mid-2019. Its primary targets are the Hospital and Healthcare industries. MedusaLocker employs AES and RSA encryption techniques to encrypt victims’ data. Technical analysis At...
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October 16, 2023

Critical Security Alert: CVE-2023-32315 Vulnerability in Openfire XMPP Server

Critical Security Alert: CVE-2023-32315 Vulnerability in Openfire XMPP Server

Estimated reading time: 4 minutes

Openfire is an open-source, real-time collaboration server based on the XMPP (Extensible Messaging and Presence Protocol) protocol. It facilitates instant messaging, group chat, and other real-time communication services. Openfire is popular for its flexibility, scalability, and robust security features....
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September 14, 2023

THREAT ADVISORY: Zero-Day Vulnerabilities Detected on WinRAR

THREAT ADVISORY: Zero-Day Vulnerabilities Detected on WinRAR

Estimated reading time: 4 minutes

Zero-day vulnerabilities represent an imminent threat to cyber security, and in this case, two such vulnerabilities, CVE-2023-38831 and CVE-2023-40477, have been identified in the widely utilized WinRAR software. These vulnerabilities pose a grave concern due to their potential for...
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September 4, 2023

CVE-2023-34362: Critical ZERO-DAY Vulnerability in MOVEit Transfer

CVE-2023-34362: Critical ZERO-DAY Vulnerability in MOVEit Transfer

Estimated reading time: 5 minutes

The discovery of a zero-day vulnerability in MOVEit Transfer has brought attention to the potential risks of unauthorized access and the exploitation of elevated privileges within the system. MOVEit Transfer is widely recognized as a secure and popular managed...
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June 22, 2023
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