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ThreatFox: Mirai IOCs

ioc-hunt HIGH ThreatFox
CommonSecurityLogDeviceNetworkEventsDnsEventsUrlClickEvents
elf-miraiiocthreatfox
This rule was pulled from an open-source repository and enriched with AI. Validate in a test environment before deploying to production.
View original rule at ThreatFox →
Retrieved: 2026-06-04T11:00:00Z · Confidence: high

Hunt Hypothesis

The ThreatFox: Mirai IOCs rule detects potential Mirai botnet activity by identifying known malicious indicators associated with IoT device compromise. SOC teams should proactively hunt for this behavior in Azure Sentinel to identify and mitigate botnet infections before they contribute to distributed denial-of-service (DDoS) attacks or network compromise.

IOC Summary

Malware Family: Mirai Total IOCs: 15 IOC Types: url, ip:port, domain

TypeValueThreat TypeFirst SeenConfidence
ip:port45[.]202[.]249[.]34:80payload_delivery2026-06-0480%
urlhxxp://45[.]202[.]249[.]34/dckpayload_delivery2026-06-0480%
ip:port113[.]214[.]18[.]234:2375payload_delivery2026-06-0480%
ip:port14[.]154[.]200[.]202:2375payload_delivery2026-06-0480%
ip:port185[.]180[.]141[.]42:2375payload_delivery2026-06-0480%
ip:port47[.]86[.]55[.]200:22payload_delivery2026-06-0480%
ip:port107[.]151[.]233[.]216:22payload_delivery2026-06-0480%
ip:port92[.]42[.]100[.]131:4569botnet_cc2026-06-04100%
ip:port192[.]159[.]99[.]196:4569botnet_cc2026-06-04100%
ip:port185[.]244[.]182[.]35:14569botnet_cc2026-06-04100%
domainnvms.miraibotnet.subotnet_cc2026-06-04100%
domaintvt.miraibotnet.subotnet_cc2026-06-04100%
domaintvt.oceanic-node.subotnet_cc2026-06-04100%
domainsopa1805.duckdns.orgbotnet_cc2026-06-04100%
ip:port194[.]48[.]251[.]83:8080botnet_cc2026-06-04100%

KQL: Ip Hunt

// Hunt for network connections to known malicious IPs
// Source: ThreatFox - Mirai
let malicious_ips = dynamic(["113.214.18.234", "47.86.55.200", "194.48.251.83", "92.42.100.131", "185.180.141.42", "45.202.249.34", "14.154.200.202", "107.151.233.216", "185.244.182.35", "192.159.99.196"]);
CommonSecurityLog
| where DestinationIP in (malicious_ips) or SourceIP in (malicious_ips)
| project TimeGenerated, SourceIP, DestinationIP, DestinationPort, DeviceAction, Activity
| order by TimeGenerated desc

KQL: Ip Hunt Device

// Hunt in Defender for Endpoint network events
let malicious_ips = dynamic(["113.214.18.234", "47.86.55.200", "194.48.251.83", "92.42.100.131", "185.180.141.42", "45.202.249.34", "14.154.200.202", "107.151.233.216", "185.244.182.35", "192.159.99.196"]);
DeviceNetworkEvents
| where RemoteIP in (malicious_ips)
| project Timestamp, DeviceName, RemoteIP, RemotePort, InitiatingProcessFileName, ActionType
| order by Timestamp desc

KQL: Domain Hunt

// Hunt for DNS queries to known malicious domains
// Source: ThreatFox - Mirai
let malicious_domains = dynamic(["nvms.miraibotnet.su", "tvt.miraibotnet.su", "tvt.oceanic-node.su", "sopa1805.duckdns.org"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses, QueryType
| order by TimeGenerated desc

KQL: Url Hunt

// Hunt for access to known malicious URLs
// Source: ThreatFox - Mirai
let malicious_urls = dynamic(["http://45.202.249.34/dck"]);
UrlClickEvents
| where Url has_any (malicious_urls)
| project Timestamp, AccountUpn, Url, ActionType, IsClickedThrough
| order by Timestamp desc

Required Data Sources

Sentinel TableNotes
CommonSecurityLogEnsure this data connector is enabled
DeviceNetworkEventsEnsure this data connector is enabled
DnsEventsEnsure this data connector is enabled
UrlClickEventsEnsure this data connector is enabled

References

False Positive Guidance

Original source: https://threatfox.abuse.ch/browse/malware/elf.mirai/