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ThreatFox: SnappyClient IOCs

ioc-hunt HIGH ThreatFox
CommonSecurityLogDeviceNetworkEventsDnsEvents
iocthreatfoxwin-snappy_client
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: 2026-08-19T11:00:00Z · Confidence: high

Hunt Hypothesis

This hunt detects adversary activity involving known Indicators of Compromise (IOCs) linked to the SnappyClient threat actor, which often utilizes sophisticated client-side mechanisms for initial access and data exfiltration. Proactively hunting for these specific IOCs within Azure Sentinel allows the SOC team to identify early-stage compromises before they escalate into broader lateral movement or data theft incidents.

IOC Summary

Malware Family: SnappyClient Total IOCs: 10 IOC Types: domain, ip:port

TypeValueThreat TypeFirst SeenConfidence
ip:port95[.]179[.]189[.]194:3333botnet_cc2026-08-1975%
ip:port95[.]179[.]189[.]194:3334botnet_cc2026-08-1975%
domainrevteoaraenttf.combotnet_cc2026-08-19100%
ip:port212[.]2[.]32[.]17:3334botnet_cc2026-08-1975%
ip:port212[.]2[.]32[.]17:3333botnet_cc2026-08-1975%
domaingrand-world-tour.combotnet_cc2026-08-19100%
ip:port190[.]211[.]252[.]42:3334botnet_cc2026-08-1975%
ip:port190[.]211[.]252[.]42:3333botnet_cc2026-08-1975%
ip:port194[.]33[.]61[.]154:3334botnet_cc2026-08-1975%
ip:port194[.]33[.]61[.]154:3333botnet_cc2026-08-1975%

KQL: Ip Hunt

// Hunt for network connections to known malicious IPs
// Source: ThreatFox - SnappyClient
let malicious_ips = dynamic(["95.179.189.194", "190.211.252.42", "212.2.32.17", "194.33.61.154"]);
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(["95.179.189.194", "190.211.252.42", "212.2.32.17", "194.33.61.154"]);
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 - SnappyClient
let malicious_domains = dynamic(["revteoaraenttf.com", "grand-world-tour.com"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses, QueryType
| order by TimeGenerated desc

Required Data Sources

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

References

False Positive Guidance

Here are specific false positive scenarios and corresponding filters for the ThreatFox: SnappyClient IOCs detection rule:

Original source: https://threatfox.abuse.ch/browse/malware/win.snappy_client/