In March 2020 specialists from the PT Expert Security Center conducted an analysis on the activities of the APT group Higaisa. This group was first studied by security analysts at Tencent in November 2019. In that analysis, Tencent specialists reached the conclusion that Higaisa has its origins in South Korea.
The group, which is still active today, can be tracked all the way back to 2009. With the recent prevalence of the coronavirus (COVID-19) pandemic, many APT groups, including Gamaredon, SongXY, TA428, Lazarus, Konni, and Winnti, have been using the topic of COVID-19 in their email distributions. Higaisa is no exception. This article is an investigation into one of the malicious files created by Higaisa.
Read more…
Source: Positive Technologies
Related:
- TP-Link router owners update now — 15 flaws patched to stop hackers hijacking your devices
August 5, 2026
TP-Link has patched more than a dozen vulnerabilities across multiple business networking products which could have been chained to achieve remote code execution (RCE). Security researchers at Vedere Labs from Forescout found the flaws and published an in-depth report on the issues, which particularly affect TP-Link Omada, the company’s business networking platform for centrally managing enterprise and small-business ...
- How legitimate cloud platforms enable phishers to bypass MFA
August 4, 2026
Threat actors are increasingly exploiting legitimate cloud services to evade detection and streamline the deployment of their scam infrastructure. Cloud hosting services and decentralized networks have become primary platforms for hosting phishing pages and sites. Throughout 2025 and 2026, Kaspersky researchers have observed phishing operators steadily migrate toward platforms like Cloudflare Workers, Vercel, Netlify, GitHub ...
- Over 100,000 UK Police and staff have personal data leaked in attack on national database
August 4, 2026
The UK’s Police National Legal Database (PNLD) suffered a cyberattack recently, in which it allegedly lost sensitive data on more than 100,000 criminal justice professionals. In a short press release, PNLD confirmed the breach, saying it happened over a weekend. The threat actors, which were not named in the announcement, were said to have taken names, organizations, and ...
- CVE-2026-18577: N-able N-central Authentication Bypass Exploited in the Wild
August 4, 2026
On August 2, 2026, N-able published a security advisory for CVE-2026-18577, an authentication bypass vulnerability affecting N-central that was discovered being exploited in-the-wild after an incomplete fix for an earlier authentication bypass issue, CVE-2026-18556 was disclosed. CVE-2026-18577 allows a remote unauthenticated attacker to bypass authentication and obtain administrative control of vulnerable N-central servers in affected deployments. N-able N-central is a widely deployed Remote ...
- Hackers steal over $130M by exploiting bug in offline hardware wallets
August 4, 2026
Hackers are in the midst of a massive theft of cryptocurrency from supposedly secure offline hardware wallets, according to blockchain security firms monitoring the heists. At least a dozen different hackers are said to be targeting Bitcoin owners who use the hardware crypto wallet Coldcard, made by Coinkite. At this point, it’s unclear who is behind ...
- Feds get 3 days to patch N-able God mode flaw under active exploit
August 4, 2026
The US Cybersecurity and Infrastructure Security Agency (CISA) has added an exploited N-able vulnerability to its Known Exploited Vulnerabilities (KEV) catalog, giving federal agencies three days to patch a flaw that could let attackers reach managed service provider (MSP) customers. Attackers exploiting the flaw can gain “full administrative access to an N-central console,” Tracked as CVE-2026-18577 (8.2 ...

