Conficker
MITRE ATT&CK: S0608 View on attack.mitre.org
Aliases: Kido, Downadup, downadup, traffic converter, Conficker
- First seen
- 2008-10-01 00:00:00
- Malware type
- worm, botnet
- Family
- Malware family
- Operating systems
- windows
- Related IoCs
- 3978 (3248 malicious)
- Last IoC activity
- 2026-10-16 09:16:47
- Profile updated
- 2026-07-07 14:49:56
Targeted industries: energy-and-utilities government-and-public-sector
Context
Conficker is a computer worm first detected in October 2008 that targeted Microsoft Windows using the MS08-067 Windows vulnerability to spread. In 2016, a variant of Conficker made its way on computers and removable disk drives belonging to a nuclear power plant.
Recent IoC activity
3,248 malicious indicators in Maltiverse are attributed to Conficker (S0608). The 20 most recently updated:
| Type | Indicator | Updated | Sources |
|---|---|---|---|
| hostname | kbeia.ws | 2026-10-17 | 1 |
| hostname | rvmafs.ws | 2026-10-17 | 1 |
| hostname | bmcrb.ws | 2026-10-17 | 1 |
| hostname | kjkhy.ws | 2026-10-17 | 1 |
| hostname | tjfji.ws | 2026-10-16 | 1 |
| hostname | pertczxzzhg.ws | 2026-10-16 | 1 |
| hostname | drwrug.ws | 2026-10-14 | 2 |
| hostname | ixrpszmny.ws | 2026-10-13 | 1 |
| file sample | 651217b0cf16f94cfe14749c766fbb784f5339af1e915acc6cca134bab0257f7 | 2026-10-13 | 1 |
| file sample | jaffacakes118_Net-Worm.Win32.Kido.ih.52ec92f5cc9eaf073c4da2b866595365 | 2026-10-13 | 1 |
| file sample | jaffacakes118_Net-Worm.Win32.Kido.ih.4f66a24744c276ffa26c9e85ce471b3e | 2026-10-13 | 1 |
| file sample | jaffacakes118_Net-Worm.Win32.Kido.ih.4edb0a5af0d6723a1bc26fc581d35eab | 2026-10-13 | 1 |
| hostname | bquhcd.ws | 2026-10-12 | 1 |
| hostname | aikxmh.ws | 2026-10-12 | 1 |
| hostname | feqab.ws | 2026-10-11 | 1 |
| hostname | hglvp.ws | 2026-10-11 | 1 |
| hostname | npsnw.ws | 2026-10-11 | 1 |
| hostname | wbespp.ws | 2026-10-10 | 1 |
| hostname | vnjiimxtw.ws | 2026-10-10 | 1 |
| hostname | dgqzpf.ws | 2026-10-10 | 1 |
Detection coverage
- 1 YARA rules
- 550 Sigma rules
Malware & tools used
- Modify Registry (attack-pattern)
- Windows Service (attack-pattern)
- System Time Discovery (attack-pattern)
- SMB/Windows Admin Shares (attack-pattern)
- Registry Run Keys / Startup Folder (attack-pattern)
- Domain Generation Algorithms (attack-pattern)
- Exploitation of Remote Services (attack-pattern)
- Obfuscated Files or Information (attack-pattern)
- Network Service Discovery (attack-pattern)
- Disable or Modify Tools (attack-pattern)
- Inhibit System Recovery (attack-pattern)
- Replication Through Removable Media (attack-pattern)
- Ingress Tool Transfer (attack-pattern)
- Loss of Productivity and Revenue (attack-pattern)
- Replication Through Removable Media (attack-pattern)
- Loss of Availability (attack-pattern)
Detection rules
- MALPEDIA_Win_Conficker_Auto (yara-rule)
Related threat objects
- Conficker (infrastructure)
Reports & references
- malpedia.caad.fkie.fraunhofer.de — Win.Conficker (report)
- csl.sri.com — Index (report)
- github.com — Conficker.Md (report)
- kaspersky.com — 2009 Kaspersky Lab Analyses New Version Of Kido Conficker (report)
- sophos.com — Confickeranalysis (report)
- github.com — Cnfckr (report)
- minitool.com — Conficker Worm (report)
- contagiodump.blogspot.com — Win32Conficker (report)
- MITRE ATT&CK — S0608 (report)
- news.softpedia.com — On Chernobyl S 30Th Anniversary Malware Shuts Down German Nuclear Power Plant 503429.Shtml (report)
- web.archive.org — Conficker Worm (report)
- redcanary.com — Intelligence Insights January 2022 (report)
- web.archive.org — Blackhat Eu 2010 Carrera Silberman State Of Malware Slides (report)