HOMETHREATSWater Sigbin
APT / THREAT GROUP

Water Sigbin

🇨🇳China-attributed
1
campaigns
2
aliases
Last seen:Mar 17, 2026

Intelligence Profile

The 8220 Gang, also known as Water Sigbin, is a threat actor group that focuses on deploying cryptocurrency-mining malware. They exploit vulnerabilities in Oracle WebLogic servers, such as CVE-2017-3506 and CVE-2023-21839, to deliver cryptocurrency miners using PowerShell scripts. The group has demonstrated a sophisticated multistage loading technique to deploy the PureCrypter loader and XMRIG crypto miner. They are known for using obfuscation techniques, such as hexadecimal encoding and code obfuscation, to evade detection and compromise systems.

Threat Analysis

Water Sigbin is a known-sophistication threat actor attributed to China, engaged in cyber operations with a primary motivation of unknown activity patterns.

Known Campaigns

Water Sigbin — Active Operations March 2026

Water Sigbin is a unknown-motivation threat actor attributed to China. The 8220 Gang, also known as Water Sigbin, is a threat actor group that focuses on deploying cryptocurrency-mining malware. They exploit vulnerabilities in Oracle WebLogic servers, such as CVE-2017-3506 and CVE-2023-21839, to deliver cryptocurrency miners using PowerShell scripts...

ACTIVEMEDIUM2026

External References

Quick Facts

TypeAPT / Threat Group
Origin🇨🇳 China
Aliases2
SourceMalpedia

Also Known As

8220 GangWater Sigbin

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.