Cyber Resilience

Threat actor · all actors

APT33G0064 state

🇮🇷 IR · IRGC

aka APT33, HOLMIUM, Elfin, Peach Sandstorm, APT 33, MAGNALLIUM, Refined Kitten, COBALT TRINITY, G0064, ATK35, TA451, BLEAK ION

Last updated: 2026-08-20

0attributed CVEs
47ATT&CK techniques
0.0IDF score (tooling uniqueness)
0exclusive CVEs
—years active

About this actor

[APT33](https://attack.mitre.org/groups/G0064) is a suspected Iranian threat group that has carried out operations since at least 2013. The group has targeted organizations across multiple industries in the United States, Saudi Arabia, and South Korea, with a particular interest in the aviation and energy sectors.(Citation: FireEye APT33 Sept 2017)(Citation: FireEye APT33 Webinar Sept 2017)

Source: MITRE ATT&CK

Names & naming systems

Each vendor coins its own name for the same actor. Where a name follows a known scheme we attribute it; the rest are listed honestly as unclassified.

MITRE ATT&CKG-number catalogue id

G0064

Microsoftweather-system names

Peach Sandstorm

CrowdStrikenation-animal names

Refined Kitten

Mandiant / genericAPT numbering

APT33APT 33

Secureworkscolour-metal names

COBALT TRINITY

DragosICS mineral names

MAGNALLIUM

ProofpointTA threat-actor id

TA451

Unclassifiedno scheme matched

HOLMIUMElfinATK35BLEAK ION

How we know this

Data origin
MITRE ATT&CK Imported from the MITRE ATT&CK STIX bundle as an intrusion-set object.
Techniques
MITRE ATT&CK STIX mappings — 47 ATT&CK techniques on file.
Named victims
None on file.

See how actor data is built for the full pipeline.

Activity timeline

No activity events recorded.

Profile

CVERiskCVSSEPSSPublishedProducts
No attributed CVEs.

Mitigating controls (NIST 800-53)

ControlTechniques coveredCoverage
SI-440 / 4785%
CM-236 / 4777%
CM-636 / 4777%
CA-732 / 4768%
SI-330 / 4764%
CM-724 / 4751%
AC-423 / 4749%
AC-623 / 4749%
SC-723 / 4749%
AC-221 / 4745%
AC-320 / 4743%
IA-217 / 4736%
AC-516 / 4734%
SI-216 / 4734%
IA-513 / 4728%

Co-occurring actors

None.

Similar actors

Similar TTPs

Same nation-state

Same category