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Technical Archive

Unmasking the SVG Threat: How Hackers Use Vector Graphics for Phishing Attacks

Unmasking the SVG Threat: How Hackers Use Vector Graphics for Phishing Attacks

Estimated reading time: 3 minutes

Introduction In the ever-evolving cybersecurity landscape, attackers constantly seek new ways to bypass traditional defences. One of the latest and most insidious methods involves using Scalable Vector Graphics (SVG)—a file format typically associated with clean, scalable images for websites...
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August 7, 2025

Spear Phishing Campaign Delivers VIP Keylogger via EMAIL Attachment

Spear Phishing Campaign Delivers VIP Keylogger via EMAIL Attachment

Estimated reading time: 5 minutes

Introduction Earlier this year, we published a white paper detailing the VIP keylogger, a sophisticated malware strain leveraging spear-phishing and steganography to infiltrate victims’ systems. The keylogger is known for its data theft capabilities, particularly targeting web browsers and...
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July 29, 2025

Operation CargoTalon : UNG0901 Targets Russian Aerospace & Defense Sector using EAGLET implant.

Operation CargoTalon : UNG0901 Targets Russian Aerospace & Defense Sector using EAGLET implant.

Estimated reading time: 11 minutes

Contents Introduction Initial Findings Infection Chain. Technical Analysis Stage 0 – Malicious Email File. Stage 1 – Malicious LNK file. Stage 2 – Looking into the decoy file. Stage 3 – Malicious EAGLET implant. Hunting and Infrastructure. Infrastructural details....
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July 23, 2025

Android Cryptojacker Disguised as Banking App Exploits Device Lock State

Android Cryptojacker Disguised as Banking App Exploits Device Lock State

Estimated reading time: 8 minutes

The global craze around cryptocurrency has fueled both innovation and exploitation. While many legally chase digital gold, cybercriminals hijack devices to mine it covertly. Recently, we encountered a phishing website impersonating a well-known bank, hosting a fake Android app....
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July 18, 2025

UNG0002: Regional Threat Operations Tracked Across Multiple Asian Jurisdictions

UNG0002: Regional Threat Operations Tracked Across Multiple Asian Jurisdictions

Estimated reading time: 5 minutes

Overview Seqrite Labs APT-Team has identified and tracked UNG0002 also known as Unknown Group 0002, a bunch of espionage-oriented operations which has been grouped under the same cluster conducting campaigns across multiple Asian jurisdictions including China, Hong Kong, and...
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July 16, 2025

Masslogger Fileless Variant – Spreads via .VBE, Hides in Registry

Masslogger Fileless Variant – Spreads via .VBE, Hides in Registry

Estimated reading time: 9 minutes

During our recent investigation at Seqrite Labs, we identified a sophisticated variant of Masslogger credential stealer malware spreading through .VBE (VBScript Encoded) files. Initially, the variant appeared to be a typical script-based threat, but upon deeper analysis it turned...
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June 18, 2025

Security Flaws in eMagicOne Store Manager for WooCommerce in WordPress (CVE-2025-5058 and CVE-2025-4603)

Security Flaws in eMagicOne Store Manager for WooCommerce in WordPress (CVE-2025-5058 and CVE-2025-4603)

Estimated reading time: 3 minutes

The eMagicOne Store Manager for WooCommerce plugin is in WordPress used to simplify and improve store management by providing functionality not found in the normal WooCommerce admin interface. Two serious flaws, CVE-2025-5058 and CVE-2025-4603, were found in the eMagicOne...
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June 10, 2025

Operation DRAGONCLONE: Chinese Telecommunication industry targeted via VELETRIX & VShell malware

Operation DRAGONCLONE: Chinese Telecommunication industry targeted via VELETRIX & VShell malware

Estimated reading time: 10 minutes

Contents Introduction Initial Findings Infection Chain. Technical Analysis Stage 0 – Malicious ZIP File. Stage 1 – Malicious VELETRIX implant. Stage 2 – Malicious V-Shell implant. Hunting and Infrastructure. Attribution Conclusion Seqrite Protection. IOCs MITRE ATT&CK. Authors: Subhajeet Singha...
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June 6, 2025

Unveiling Swan Vector APT Targeting Taiwan and Japan with varied DLL Implants

Unveiling Swan Vector APT Targeting Taiwan and Japan with varied DLL Implants

Estimated reading time: 14 minutes

Content Introduction Initial Findings. Looking into the decoy. Infection Chain. Technical Analysis. Stage 1 – Malicious LNK Script. Stage 2 – Malicious Pterois Implant. Stage 3 – Malicious Isurus Implant. Stage 4 – Malicious Cobalt Strike Shellcode. Infrastructure and...
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May 12, 2025

Security Flaw in Yelp Help Viewer (CVE-2025-3155)

Security Flaw in Yelp Help Viewer (CVE-2025-3155)

Estimated reading time: 4 minutes

Yelp is the default help browser in GNOME-based Linux distributions, including widely used systems such as Ubuntu, Fedora and Debian etc. It is responsible for rendering help documentation written in the Mallard XML format and integrates tightly with the...
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May 12, 2025
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