Komplex
MITRE ATT&CK: S0162 View on attack.mitre.org
Aliases: JHUHUGIT, JKEYSKW, SedUploader, Komplex
- Malware type
- backdoor
- Family
- Malware family
- Operating systems
- macos
- Last IoC activity
- 2026-07-19 04:30:27
- Profile updated
- 2026-07-07 15:44:56
Targeted industries: government-and-public-sector defense-and-aerospace
Targeted regions: country_code:us country_code:ru
Context
Komplex is a backdoor that has been used by APT28 on OS X and appears to be developed in a similar manner to XAgentOSX.
Detection coverage
- 2 YARA rules
- 88 Sigma rules
Malware & tools used
- File Deletion (attack-pattern)
- System Owner/User Discovery (attack-pattern)
- Process Discovery (attack-pattern)
- Symmetric Cryptography (attack-pattern)
- Web Protocols (attack-pattern)
- Launch Agent (attack-pattern)
- Hidden Files and Directories (attack-pattern)
Used by threat actors
- APT28 (threat-actor)
Detection rules
- CAPE_Seduploader (yara-rule)
- MALPEDIA_Win_Seduploader_Auto (yara-rule)
Related threat objects
- JHUHUGIT (malware)
Reports & references
- contagiodump.blogspot.de — Russian Apt Apt28 Collection Of Samples (report)
- objective-see.com — Blog 0X16 (report)
- malpedia.caad.fkie.fraunhofer.de — Osx.Komplex (report)
- researchcenter.paloaltonetworks.com — Unit42 Sofacys Komplex Os X Trojan (report)
- blog.malwarebytes.com — Komplex Mac Backdoor Answers Old Questions (report)
- ESET — Eset Sednit Part1 (report)
- researchcenter.paloaltonetworks.com — Unit42 Xagentosx Sofacys Xagent Macos Tool (report)
- MITRE ATT&CK — S0162 (report)
- researchcenter.paloaltonetworks.com — Unit42 Sofacys Komplex Os X Trojan (report)