APT17

MITRE ATT&CK: G0025 View on attack.mitre.org

Aliases: Deputy Dog, Group 8, AURORA PANDA, Hidden Lynx, Tailgater Team, Dogfish, BRONZE KEYSTONE, Group 72, Axiom, HELIUM, Heart Typhoon, APT17, ATG3, Red Typhoon, KAOS, TG-8153, SportsFans, DeputyDog, Tailgater

First seen
2014-01-01 00:00:00
Origin
CN
Primary motivation
espionage
Sophistication
advanced
Resource level
government
Actor type
Espionage
Related IoCs
22 (19 malicious)
Last IoC activity
2026-10-18 00:40:13
Profile updated
2026-07-07 12:31:40

Targeted industries: defense-and-aerospace government-and-public-sector technology-and-telecommunications professional-services education-and-nonprofits

Targeted regions: country_code:us

Context

APT17 is a China-based threat group that has conducted network intrusions against U.S. government entities, the defense industry, law firms, information technology companies, mining companies, and non-government organizations.

Recent IoC activity

19 malicious indicators in Maltiverse are attributed to APT17 (G0025). The 19 most recently updated:

TypeIndicatorUpdatedSources
hostname officecdn-microsoft-com.akamaixed.net 2026-10-18 1
hostname exchange.openmd5.com 2026-10-17 2
hostname exchange.portomnail.com 2026-10-17 1
hostname microsoftcontents.com 2026-10-16 1
hostname www.microsoftcontents.com 2026-10-16 1
hostname mirros.microsoftcontents.com 2026-10-15 1
hostname dash.tcplog.com 2026-10-12 1
hostname fonts.google-au.ga 2026-10-11 1
hostname ns1.xxe.pw 2026-10-10 1
hostname help.tcplog.com 2026-10-09 1
hostname linuxupdate.info 2026-10-05 3
file sample SiteAdv.exe 2026-10-04 3
hostname q4.xxe.pw 2026-10-04 1
hostname cdn.google-au.ga 2026-10-03 1
hostname x.xxe.pw 2026-10-03 1
hostname qq.xxe.pw 2026-10-03 1
hostname static.tcplog.com 2026-09-26 1
hostname mirros3.linuxupdate.info 2026-09-24 1
hostname mail.xxe.pw 2026-09-19 1

Detection coverage

  • 1 YARA rules

Malware & tools used

  • Web Services (attack-pattern)
  • Establish Accounts (attack-pattern)
  • BLACKCOFFEE (malware)

Exploited vulnerabilities

  • CVE-2013-3893 (vulnerability)

Related threat objects

Reports & references

  • raw.githubusercontent.com — Microsoftmapping (report)
  • Mandiant — Apt17 Report (report)
  • Mandiant — Apt Groups (report)
  • web.archive.org — Operation Deputydog Zero Day Cve 2013 3893 Attack Against Japanese Targets (report)
  • paper.seebug.org — Hidden Lynx (report)
  • cfr.org — Apt 17 (report)
  • carbonblack.com — Bit9 And Our Customers Security (report)
  • web.archive.org — Security Vendors Take Action Against Hidden Lynx Malware (report)
  • web.archive.org — Hidden Lynx Professional Hackers Hire (report)
  • recordedfuture.com — Hidden Lynx Analysis (report)
  • secureworks.com — Bronze Keystone (report)
  • MITRE ATT&CK — G0025 (report)
  • cfr.org — Axiom (report)
  • MITRE ATT&CK — G0001 (report)
  • youtube.com — Watch (report)

External references