All actors

DarkHydrus

Also reported as LazyMeerkat, Obscure Serpens and ATK 77. Linked to Iran by one source.

Reports
606
Last reported
Known CVEs
218
Techniques in ATT&CK
7
Origin
Iran
ID
G0079
Merge evidence
9 alias matches

Reports per quarter

  1. 2017 Q2: 2 reports
  2. 2017 Q3: no reports
  3. 2017 Q4: no reports
  4. 2018 Q1: no reports
  5. 2018 Q2: 2 reports
  6. 2018 Q3: 6 reports
  7. 2018 Q4: 3 reports
  8. 2019 Q1: 10 reports
  9. 2019 Q2: 7 reports
  10. 2019 Q3: 2 reports
  11. 2019 Q4: 3 reports
  12. 2020 Q1: 8 reports
  13. 2020 Q2: 10 reports
  14. 2020 Q3: 13 reports
  15. 2020 Q4: 33 reports
  16. 2021 Q1: 41 reports
  17. 2021 Q2: 56 reports
  18. 2021 Q3: 60 reports
  19. 2021 Q4: 48 reports
  20. 2022 Q1: 53 reports
  21. 2022 Q2: 61 reports
  22. 2022 Q3: 39 reports
  23. 2022 Q4: 14 reports
  24. 2023 Q1: 16 reports
  25. 2023 Q2: 8 reports
  26. 2023 Q3: 13 reports
  27. 2023 Q4: 14 reports
  28. 2024 Q1: 6 reports
  29. 2024 Q2: 9 reports
  30. 2024 Q3: 19 reports
  31. 2024 Q4: 11 reports
  32. 2025 Q1: 6 reports
  33. 2025 Q2: 7 reports
  34. 2025 Q3: 7 reports
  35. 2025 Q4: 4 reports
  36. 2026 Q1: 4 reports
  37. 2026 Q2: 11 reports
Dated reports, 2017 Q2 to 2026 Q2.

Techniques seen in the last two years

Show all 269 techniques Show fewer

Counts come from technique IDs in the actor's report text. “Reports only” means reports name the technique but MITRE ATT&CK® does not list it for this actor.

Also listed by ATT&CK

CVEs named in reports

Show all 218 CVEs Show fewer

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. Meterpreter (Malware Family)

    date ORKL added it fromORKL

  2. APT 19, Deep Panda, C0d0so0

    date ORKL added it fromORKL

Show all 606 reports Show fewer
  1. BlackSuit Ransomware

    publisher's date The DFIR Report fromORKLDFIR Report

  2. BumbleBee: Round Two

    publisher's date The DFIR Report fromORKLDFIR Report

  3. RedSense

    Malpedia library date fromORKL

  4. RedSense

    Malpedia library date fromORKL

  5. CERT-UA

    Malpedia library date fromORKL

  6. CERT-UA

    Malpedia library date fromORKL

  7. RedSense

    Malpedia library date fromORKL

  8. yir-cyber-threats-annex-download.pdf

    Malpedia library date fromORKL

  9. Quantum Ransomware

    publisher's date The DFIR Report fromORKLDFIR Report

  10. RedSense

    Malpedia library date fromORKL

  11. CERT-UA

    Malpedia library date fromORKL

  12. 2021 Year In Review

    publisher's date The DFIR Report fromORKLDFIR Report

  13. 2021trends.pdf

    Malpedia library date fromORKL

  14. RedSense

    Malpedia library date fromORKL

  15. From Zero to Domain Admin

    publisher's date The DFIR Report fromORKLDFIR Report

  16. RedSense

    Malpedia library date fromORKL

  17. report-old-dogs-new-tricks.pdf

    Malpedia library date fromORKL

  18. Ryuk Ransomware Now Targeting Webservers

    Malpedia library date fromORKL

  19. Conti Ransomware

    publisher's date The DFIR Report fromORKLDFIR Report

  20. CTIR_casestudy_2.pdf

    file creation date fromORKL

  21. CTIR_casestudy_1.pdf

    file creation date fromORKL

  22. the-operations-of-winnti-group.pdf

    Malpedia library date fromORKL

  23. report-bb-2021-threat-report.pdf

    Malpedia library date fromORKL

  24. Technical Analysis of Operation Diànxùn

    Malpedia library date fromORKL

  25. Bazar Drops the Anchor

    publisher's date The DFIR Report fromORKLDFIR Report

  26. Analytics

    Malpedia library date fromORKL

  27. Bazar, No Ryuk?

    publisher's date The DFIR Report fromORKLDFIR Report

  28. Ryuk in 5 Hours

    publisher's date The DFIR Report fromORKLDFIR Report

  29. Ryuk's Return

    publisher's date The DFIR Report fromORKLDFIR Report

  30. Ursnif via LOLbins

    publisher's date The DFIR Report fromORKLDFIR Report

  31. Catching APT41 exploiting a zero-day vulnerability

    date in the CCS '25 data Darktrace fromCCS '25 data

  32. DNS Tunneling Series, Part 3- The Siren Song of RogueRobin

    date in the title fromORKL

  33. Aarhus_miniseminar_291118.pdf

    Malpedia library date fromORKL

  34. An Overview of Public Platform C2’s

    date in the title fromORKL

  35. APT-Attacks-eng.pdf

    file creation date fromORKL

  36. mpressioncss_ta_report_2019.pdf

    Malpedia library date fromORKL

  37. 2018 Master Table

    file creation date fromORKL

  38. darkhydruns-group-against-middle-east-cn

    file creation date fromORKL

  39. darkhydruns-group-against-middle-east-en

    date in the CCS '25 data 360 fromORKLCCS '25 data

  40. New Threat Actor Group DarkHydrus Targets Middle East Government

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

Newest first. Details opens the report in Explore.