IsSpace

Aliases: NfLog RAT

Malware type
rat
Profile updated
2026-07-07 12:48:23

Targeted industries: government-and-public-sector defense-and-aerospace

Context

IsSpace, also known as NfLog RAT, is a remote access trojan used primarily for cyber espionage. It has been linked to campaigns targeting government and public sector organizations.

Detection coverage

  • 1 YARA rules

Exploited vulnerabilities

  • CVE-2015-5122 (vulnerability)

Detection rules

  • MALPEDIA_Win_Isspace_Auto (yara-rule)

Reports & references

  • secureworks.com — Bronze Overbrook (report)
  • Palo Alto Unit 42 — Shallowtaurus (report)
  • secureworks.com — Bronze Express (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Isspace (report)
  • csecybsec.com — 20180713 Cse Apt28 X Agent Op Roman%20Holiday Report V6 1 (report)
  • wikileaks.org — 2015 09 20150911 280 Csit 15085 Nflog (report)
  • researchcenter.paloaltonetworks.com — Unit42 Dragonok Updates Toolset Targets Multiple Geographic Regions (report)
  • Palo Alto Unit 42 — Watering Hole Attack On Aerospace Firm Exploits Cve 2015 5122 To Install Isspace Backdoor (report)

External references