All actors

Cleaver

Also reported as TG-2889, Cutting Kitten, Operation Cleaver, Op Cleaver, Tarh Andishan and 10 other names. Linked to Iran by three sources.

Reports
25
Last reported
Known CVEs
11
Techniques in ATT&CK
5
Origin
Iran
ID
G0003
Merge evidence
13 alias matches

Reports per quarter

  1. 2014 Q4: 2 reports
  2. 2015 Q1: 1 report
  3. 2015 Q2: no reports
  4. 2015 Q3: no reports
  5. 2015 Q4: 2 reports
  6. 2016 Q1: 3 reports
  7. 2016 Q2: 3 reports
  8. 2016 Q3: 1 report
  9. 2016 Q4: no reports
  10. 2017 Q1: no reports
  11. 2017 Q2: no reports
  12. 2017 Q3: 1 report
  13. 2017 Q4: 2 reports
  14. 2018 Q1: no reports
  15. 2018 Q2: no reports
  16. 2018 Q3: no reports
  17. 2018 Q4: no reports
  18. 2019 Q1: no reports
  19. 2019 Q2: no reports
  20. 2019 Q3: no reports
  21. 2019 Q4: no reports
  22. 2020 Q1: 1 report
  23. 2020 Q2: no reports
  24. 2020 Q3: no reports
  25. 2020 Q4: 1 report
  26. 2021 Q1: 1 report
  27. 2021 Q2: 1 report
  28. 2021 Q3: no reports
  29. 2021 Q4: no reports
  30. 2022 Q1: no reports
  31. 2022 Q2: no reports
  32. 2022 Q3: no reports
  33. 2022 Q4: 1 report
  34. 2023 Q1: no reports
  35. 2023 Q2: no reports
  36. 2023 Q3: no reports
  37. 2023 Q4: no reports
  38. 2024 Q1: no reports
  39. 2024 Q2: no reports
  40. 2024 Q3: no reports
  41. 2024 Q4: no reports
  42. 2025 Q1: no reports
  43. 2025 Q2: no reports
  44. 2025 Q3: no reports
  45. 2025 Q4: no reports
  46. 2026 Q1: no reports
  47. 2026 Q2: 5 reports
Dated reports, 2014 Q4 to 2026 Q2.

Techniques in ATT&CK

Listed by ATT&CK

No report from the last two years names a technique ID.

CVEs named in reports

KEV marks a CVE in CISA's Known Exploited Vulnerabilities Catalog, and “ransomware” marks one that the catalog records as used in ransomware campaigns.

Reports

  1. Threat Group Cards: A Threat Actor Encyclopedia

    date ORKL added it fromORKL

  2. Operation-Blockbuster-Report

    date ORKL added it fromORKL

  3. Lebanese-Cedar-APT

    Malpedia library date ClearSky fromORKLCCS '25 data

  4. blogs.blackberry.com-Operation Cleaver The Notepad Files

    file creation date fromORKL

  5. Iranian Threat Actors- Preliminary Analysis

    date in the title fromORKL

Show all 25 reports Show fewer
  1. Iran_Cyber_Final_Full_v2

    file creation date fromORKL

  2. Anomali - Iran Country Profile relating to Security.pdf

    file creation date fromORKL

  3. Cyber warfare_ Iran opens a new front - FT

    date in the CCS '25 data Financial Times (FT) fromORKLCCS '25 data

  4. PowerPoint Presentation

    date in the CCS '25 data CrowdStrike fromORKLCCS '25 data

  5. Operation Blockbuster

    date in the CCS '25 data Novetta fromORKLCCS '25 data

  6. Hacker Group Creates Network of Fake LinkedIn Profiles

    date in the CCS '25 data Secureworks fromORKLCCS '25 data

  7. Hacker Group Creates Network of Fake LinkedIn Profiles

    date in the title fromORKL

  8. Operation Cleaver: The Notepad Files

    date in the CCS '25 data Cylance fromORKLCCS '25 data

  9. Cylance_Operation_Cleaver_Report

    date in the CCS '25 data Cylance fromORKLCCS '25 data

Newest first. Details opens the report in Explore.