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ThreatFox: Unknown malware IOCs

ioc-hunt HIGH ThreatFox
CommonSecurityLogDeviceNetworkEventsDnsEventsUrlClickEvents
iocthreatfoxunknown
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: 2026-07-01T23:00:00Z · Confidence: high

Hunt Hypothesis

This hunt detects adversary behavior characterized by the presence of twenty-seven unknown malware indicators that may signal a novel or evolving threat within the network. Proactive hunting in Azure Sentinel is critical to identify these early-stage infections before they establish persistence, ensuring rapid containment and reducing the risk of lateral movement across cloud assets.

IOC Summary

Malware Family: Unknown malware Total IOCs: 27 IOC Types: ip:port, domain, url

TypeValueThreat TypeFirst SeenConfidence
ip:port154[.]220[.]94[.]34:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]95[.]110:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]94[.]50:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]94[.]54:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]94[.]58:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]93[.]243:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]93[.]230:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]93[.]236:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]92[.]179:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]92[.]182:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]122[.]126:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]92[.]168:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]122[.]102:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]122[.]124:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]121[.]47:8888botnet_cc2026-07-01100%
ip:port94[.]156[.]179[.]168:7443botnet_cc2026-07-0175%
ip:port185[.]46[.]10[.]210:7443botnet_cc2026-07-0175%
ip:port181[.]225[.]233[.]172:7443botnet_cc2026-07-0175%
ip:port178[.]105[.]68[.]110:7443botnet_cc2026-07-0175%
ip:port154[.]220[.]121[.]38:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]121[.]41:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]120[.]230:8888botnet_cc2026-07-01100%
ip:port154[.]220[.]120[.]246:8888botnet_cc2026-07-01100%
urlhxxps://merabs.pro/473f5c82.exepayload_delivery2026-07-0175%
domainpop.topsm188.topbotnet_cc2026-07-0150%

KQL: Ip Hunt

// Hunt for network connections to known malicious IPs
// Source: ThreatFox - Unknown malware
let malicious_ips = dynamic(["154.220.94.54", "154.220.92.182", "154.220.120.246", "154.220.122.126", "154.220.92.168", "185.46.10.210", "154.220.93.243", "154.220.93.230", "181.225.233.172", "154.220.95.110", "154.220.94.58", "154.220.92.179", "154.220.121.47", "178.105.68.110", "154.220.94.50", "154.220.93.236", "154.220.122.124", "154.220.121.38", "154.220.121.41", "154.220.120.230", "154.220.94.34", "154.220.122.102", "94.156.179.168"]);
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(["154.220.94.54", "154.220.92.182", "154.220.120.246", "154.220.122.126", "154.220.92.168", "185.46.10.210", "154.220.93.243", "154.220.93.230", "181.225.233.172", "154.220.95.110", "154.220.94.58", "154.220.92.179", "154.220.121.47", "178.105.68.110", "154.220.94.50", "154.220.93.236", "154.220.122.124", "154.220.121.38", "154.220.121.41", "154.220.120.230", "154.220.94.34", "154.220.122.102", "94.156.179.168"]);
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 - Unknown malware
let malicious_domains = dynamic(["pop.topsm188.top", "merabs.pro"]);
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 - Unknown malware
let malicious_urls = dynamic(["https://merabs.pro/473f5c82.exe", "https://ardotcharleybuking.com/"]);
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

Here are four specific false positive scenarios for the ThreatFox: Unknown malware IOCs detection rule, tailored to an enterprise environment using common security and operational tools:

Original source: https://threatfox.abuse.ch/browse/malware/unknown/