Original: 說明本公司線上商店平台委外服務廠商資安事件
WeLeader (7713)New Ransomware Strains TiMC, BlackWater, Lamashtu Emerge Amid DDoS Claims and Social Engineering Campaigns
ASEC reports three new ransomware variants—TiMC, BlackWater, and Lamashtu—alongside NoName05716’s claimed DDoS attacks on South Korean public and private entities and the VECT·TeamPCP campaign targeting a Dutch travel booking platform via social engineering.
Iranian Cyber Campaign Targets South Korean Electronics Manufacturing for Intellectual Property Theft
A targeted cyber-espionage campaign attributed to the Iran-linked MuddyWater group successfully breached a major South Korean electronics manufacturer in early 2026. The operation utilized DLL sideloading and legitimate service abuse to conduct industrial reconnaissance and credential theft, signaling a shift toward more operationally mature and quiet attacks against high-value East Asian industrial targets.
South Korea APT Campaigns in March 2026 Rely on LNK Files and Multi-Stage Scripting
In March 2026, AhnLab observed South Korea-targeted APT attacks primarily using spear-phishing emails with LNK files to deploy malware via PowerShell, curl, HTA, and scripting chains, leading to info-stealers, keyloggers, and memory-resident backdoors.
How Operators Can Monitor JPCERT/CC Alerts for Japan Infrastructure Risk
Monitor JPCERT/CC alerts as a primary source for Japanese enterprise and infrastructure risk, focusing on vendor advisories, exploitation signals, and exposure relevant to global security teams. This evergreen playbook outlines how to use the official JPCERT/CC RSS feed for continuous monitoring without treating it as breaking news.
Windows Web Server Exploitation Trends: Analysis of Q1 2026 Attack Patterns
AhnLab SEcurity intelligence Center (ASEC) reports persistent targeting of Windows-based IIS and Apache Tomcat servers in Q1 2026. Attackers, notably the Larva-26001 threat actor, utilize web shell command execution, privilege escalation exploits like JuicyPotato, and port-forwarding tools to seize control of infected systems through RDP-mediated access and internal network lateral movement.
ASEC Q1 2026 Report Reveals Larva-26002’s Shift to Go-Based ICE Cloud Scanner via BCP Exploitation
ASEC’s analysis of ASD logs for Q1 2026 shows persistent attacks on Windows-based MS-SQL and MySQL servers, with a temporary decline in February followed by a March rebound. The Larva-26002 threat actor was observed deploying the Go-written ICE Cloud scanner via BCP exploitation on mismanaged MS-SQL systems, continuing prior use of Trigona and Mimic ransomware. Turkish-language strings in the scanner align with earlier Mimic campaigns. Primary vectors include brute force, dictionary attacks, and exploitation of weak or misconfigured accounts due to poor administrative hygiene.
Korean and Global Financial Sectors Face Multi-Layered Cyber Threats in Early 2026
March 2026 saw a surge in complex cyberattacks targeting financial institutions, characterized by Lazarus Group watering hole exploits, large-scale dark web data leaks, and targeted phishing. Vulnerabilities in AnySign4PC were used for remote code execution, while ransomware groups like Apt73 and WorldLeaks intensified double extortion tactics, significantly raising the risk profile for global and South Korean banking infrastructure.
Genians NAC SQL Injection Vulnerability Exposes Network Infrastructure to Data Disclosure
Genians has addressed CVE-2024-23843, a SQL injection vulnerability in its Genian NAC management console. The flaw stems from insufficient validation of user-supplied search parameters, potentially allowing unauthorized data exposure. Organizations using Genian NAC V5.0 or its LTS variants should upgrade to the latest versions to mitigate the risk of database compromise within their security infrastructure.
AhnLab April 2026 Dark Web Intelligence: High-Value Defense and Aerospace Data Leak Trends
The April 2026 dark web landscape was dominated by the leak of critical aerospace, defense, and military intelligence, including Boeing Artemis and Virginia-class submarine data. Notable activity from threat groups like ShinyHunters and the resurgence of BreachForums highlighted high-risk exposure across technology, financial, and government sectors, alongside the increasing commoditization of Phishing-as-a-Service and advanced malware builders.
AhnLab April 2026 Report Highlights Surge in Targeted Critical Infrastructure Ransomware Attacks
The April 2026 Ransomware Threat Trend Report from AhnLab reveals a significant shift in ransomware operations, with groups increasingly focusing on critical infrastructure sectors. The report details heighted activity in the manufacturing, healthcare, and finance industries globally, alongside the emergence of new threat groups and sustained campaigns by established actors like Qilin and INC Ransom.