RGDoor

MITRE ATT&CK: S0258 View on attack.mitre.org

Aliases: RGDoor

First seen
2018-04-01 00:00:00
Malware type
backdoor
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 12:49:01

Targeted industries: government-and-public-sector

Targeted regions: country_code:ae country_code:sa

Context

RGDoor is a malicious Internet Information Services (IIS) backdoor developed in the C++ language. RGDoor has been seen deployed on webservers belonging to the Middle East government organizations. RGDoor provides backdoor access to compromised IIS servers.

Detection coverage

  • 2 YARA rules
  • 176 Sigma rules

Malware & tools used

  • IIS Components (attack-pattern)
  • Windows Command Shell (attack-pattern)
  • Archive via Custom Method (attack-pattern)
  • Web Protocols (attack-pattern)
  • System Owner/User Discovery (attack-pattern)
  • Deobfuscate/Decode Files or Information (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)

Used by threat actors

Detection rules

  • ESET_IIS_Group04_Rgdoor (yara-rule)
  • MALPEDIA_Win_Rgdoor_Auto (yara-rule)

Reports & references

  • secureworks.com — Cobalt Gypsy (report)
  • secureworks.com — Cobalt Lyceum (report)
  • cyware.com — Apt34 The Helix Kitten Cybercriminal Group Loves To Meow Middle Eastern And International Organizations 48Ae (report)
  • drive.google.com — View (report)
  • secureworks.com — Ongoing Campaign Leveraging Exchange Vulnerability Potentially Linked To Iran (report)
  • i.blackhat.com — Us 21 Anatomy Of Native Iis Malware Wp (report)
  • ESET — Anatomy Native Iis Malware (report)
  • i.blackhat.com — Us 21 Anatomy Of Native Iis Malware (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Rgdoor (report)
  • researchcenter.paloaltonetworks.com — Unit42 Oilrig Uses Rgdoor Iis Backdoor Targets Middle East (report)
  • researchcenter.paloaltonetworks.com — Unit42 Striking Oil Closer Look Adversary Infrastructure (report)
  • MITRE ATT&CK — S0258 (report)

External references