APT29
Also known as Group 100, COZY BEAR, The Dukes, Minidionis, SeaDuke, YTTRIUM, IRON HEMLOCK, Grizzly Steppe, G0016, ATK7, Cloaked Ursa, TA421, Blue Kitsune, ITG11, BlueBravo, Nobelium, UAC-0029, ICECAP, ICE RELIC, IRON RITUAL
A 2015 report by F-Secure describe APT29 as: 'The Dukes are a well-resourced, highly dedicated and organized cyberespionage group that we believe has been working for the Russian Federation since at least 2008 to collect intelligence in support of foreign and security policy decision-making. The Dukes show unusual confidence in their ability to continue successfully compromising their targets, as well as in their ability to operate with impunity. The Dukes primarily target Western governments and related organizations, such as government ministries and agencies, political think tanks, and governmental subcontractors. Their targets have also included the governments of members of the Commonwealth of Independent States;Asian, African, and Middle Eastern governments;organizations associated with Chechen extremism;and Russian speakers engaged in the illicit trade of controlled substances and drugs. The Dukes are known to employ a vast arsenal of malware toolsets, which we identify as MiniDuke, CosmicDuke, OnionDuke, CozyDuke, CloudDuke, SeaDuke, HammerDuke, PinchDuke, and GeminiDuke. In recent years, the Dukes have engaged in apparently biannual large - scale spear - phishing campaigns against hundreds or even thousands of recipients associated with governmental institutions and affiliated organizations. These campaigns utilize a smash - and - grab approach involving a fast but noisy breakin followed by the rapid collection and exfiltration of as much data as possible.If the comp
Targets: Government, Private sector, United States, China, New Zealand, Ukraine, Romania, Georgia, Japan, South Korea, Belgium, Kazakhstan, Brazil, Mexico, Turkey
CVEs in recent coverage
- 8.8CVE-2025-43529KEVApple Multiple Products · 1 mention with this actor
- 5.5CVE-2024-27834KEVApple safari · 1 mention with this actor
Recent victims
No leak-site posts on record for this group.
ATT&CK techniques
Recent activity
- The verdict is in. You, the administrator, are hereby sentenced to patching iOS against both listed CVEs immediately and auditing any third-party web analytics mastodon · Nov 6, 2026
- 🏆 New Achievement! Supply Chain of Fools! The court calls APT29 to the stand. Charges: infiltrating the Plerdy SEO Tracker supply chain, injecting JavaScript imastodon · Nov 6, 2026
- 🔒 Security News Digest - 2026-11-06 📊 13 updates from 4 sources: 🔹 darkreading: APT29's Watering Holes Target Thousands of Mobile Users https://www. darkmastodon · Nov 6, 2026
- 🤖 APT29 (Cozy Bear) compromises legitimate websites to serve mobile-specific watering holes, fingerprinting visitors and harvesting data only from high-value tmastodon · Nov 5, 2026
- Poisoned Source: APT29 watering holes target mobile devices with n-day exploits # APT29 # CVE_2025_43529 # CVE_2024_27834 # CVE_2026_20700 # CVE_2025_14174 # CVmastodon · Nov 5, 2026
- Sekoia links Russia's APT29 to booby-trapped websites that hacked unpatched phones Sekoia says a group it ties to Russian intelligence planted code on real mastodon · Nov 5, 2026
- Russian # APT29 Targets Mobile Users with # Watering # Hole Attacks https:// securityaffairs.com/202473/hac king/russian-apt29-targets-mobile-users-with-waterinmastodon · Nov 5, 2026
- New Signal Check is live: Episode 218 - November 05, 2026. This episode covers sophisticated supply chain attacks through compromised web analytics, a zero-day mastodon · Nov 5, 2026
- Sekoia uncovered an APT29 watering hole campaign mobile exploits operation using Plerdy analytics and watering holes to compromise unpatched phones. # APT29 # Wmastodon · Nov 5, 2026
- 🤖 APT29-linked Poisoned Source : supply-chain compromise of Plerdy SEO Tracker injects JS into thousands of sites, profiles each visitor, then serves N-day mobmastodon · Nov 5, 2026
- 🔒 Security News Digest - 2026-11-04 📊 21 updates from 7 sources: 🔹 The Hacker News: Critical Rails Flaw Lets Attackers Write Server Files via Crafted ImageMamastodon · Nov 4, 2026
- Sekoia reports mobile watering holes using hacked websites, lookalikes and a compromised Plerdy analytics script (Aug 27–Sep 3). Exploits targeted unpatched iOSmastodon · Nov 4, 2026
- 🛑 Russia-linked APT29 is tied to a campaign delivering iOS and Android exploits through compromised sites and a hijacked web analytics script. DarkSword and Anmastodon · Nov 4, 2026
- New. Sekoia: Poisoned Source: APT29 watering holes target mobile devices with n-day exploits https://www. sekoia.com/blog/poisoned-sourc e-apt29-watering-holes-mastodon · Nov 4, 2026
- Sekoia: APT29 watering holes target mobile devices with n-day exploits This watering hole campaign, which we assess with moderate to high confidence to be linkemastodon · Nov 4, 2026
- Hackers use n-day exploits in zero-click attacks on iOS, Android devices A large-scale watering-hole campaign attributed by Sekoia to Russia’s APT29 has used n-mastodon · Nov 4, 2026
- Suspected APT29 operators ran zero-click web attacks chaining n-day exploits against iOS and Android to silently exfiltrate device data. It confirms state actormastodon · Nov 4, 2026
- 🧵 New report from our # TDR team: # APT29 ran a large-scale watering hole campaign against iOS and Android users via compromised legitimate sites, cloned high-mastodon · Nov 4, 2026
References
- https://labsblog.f-secure.com/2015/09/17/the-dukes-7-years-of-russian-cyber-espionage/
- https://www2.fireeye.com/rs/848-DID-242/images/rpt-apt29-hammertoss.pdf
- https://www.us-cert.gov/sites/default/files/publications/AR-17-20045_Enhanced_Analysis_of_GRIZZLY_STEPPE_Activity.pdf
- https://www.fireeye.com/blog/threat-research/2017/03/dissecting_one_ofap.html
- https://www.cfr.org/interactive/cyber-operations/dukes
- https://pylos.co/2018/11/18/cozybear-in-from-the-cold/
- https://cloudblogs.microsoft.com/microsoftsecure/2018/12/03/analysis-of-cyberattack-on-u-s-think-tanks-non-profits-public-sector-by-unidentified-attackers/
- https://www.secureworks.com/research/threat-profiles/iron-hemlock
- https://attack.mitre.org/groups/G0016
- https://unit42.paloaltonetworks.com/atoms/cloaked-ursa/
- https://go.recordedfuture.com/hubfs/reports/cta-2023-0127.pdf
- https://cip.gov.ua/services/cm/api/attachment/download?id=60068
From the MISP threat-actor galaxy, MITRE ATT&CK and RansomLook (CC BY 4.0). Activity is any post or advisory Watch Floor collected that names the actor or one of its aliases.
