ChainedShark

Aliases: Actor240820

Primary motivation
espionage
Sophistication
advanced
Resource level
government
Actor type
nation-state
Profile updated
2026-07-07 12:25:30

Targeted industries: education-and-nonprofits technology-and-telecommunications

Context

ChainedShark is an APT group targeting China's scientific research sector, particularly professionals in international relations and marine technology, with the intent to steal sensitive data. The group employs advanced techniques, including executable file reconstruction to create fragmented shellcode, and utilizes social engineering tactics to exploit professional scenarios for deceptive attacks. ChainedShark demonstrates a high level of technical sophistication, integrating N-day vulnerability exploits and custom trojans within meticulously designed attack chains. Its operations reflect a mature attack infrastructure and a clear evolutionary trajectory in tactics and execution.

Reports & references

  • nsfocusglobal.com — Top Security Incidents Of 2025 The Emergence Of The Chainedshark Apt Group (report)

External references