This hunt detects adversary activity consistent with the Kimwolf campaign by identifying network connections and file artifacts matching ten specific Indicators of Compromise (IOCs). Proactively hunting for these signatures in Azure Sentinel is critical to rapidly identify early-stage intrusions before they escalate into full-scale data exfiltration or lateral movement incidents.
Malware Family: Kimwolf Total IOCs: 10 IOC Types: ip:port
| Type | Value | Threat Type | First Seen | Confidence |
|---|---|---|---|---|
| ip:port | 104[.]248[.]81[.]151:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 159[.]223[.]221[.]16:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 178[.]62[.]249[.]180:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 164[.]92[.]144[.]85:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 104[.]248[.]193[.]244:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 68[.]183[.]8[.]203:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 159[.]223[.]14[.]22:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 209[.]38[.]33[.]235:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 188[.]166[.]114[.]27:25001 | botnet_cc | 2026-07-08 | 100% |
| ip:port | 178[.]62[.]232[.]134:25001 | botnet_cc | 2026-07-08 | 100% |
// Hunt for network connections to known malicious IPs
// Source: ThreatFox - Kimwolf
let malicious_ips = dynamic(["68.183.8.203", "159.223.221.16", "104.248.193.244", "159.223.14.22", "178.62.232.134", "164.92.144.85", "178.62.249.180", "209.38.33.235", "104.248.81.151", "188.166.114.27"]);
CommonSecurityLog
| where DestinationIP in (malicious_ips) or SourceIP in (malicious_ips)
| project TimeGenerated, SourceIP, DestinationIP, DestinationPort, DeviceAction, Activity
| order by TimeGenerated desc
// Hunt in Defender for Endpoint network events
let malicious_ips = dynamic(["68.183.8.203", "159.223.221.16", "104.248.193.244", "159.223.14.22", "178.62.232.134", "164.92.144.85", "178.62.249.180", "209.38.33.235", "104.248.81.151", "188.166.114.27"]);
DeviceNetworkEvents
| where RemoteIP in (malicious_ips)
| project Timestamp, DeviceName, RemoteIP, RemotePort, InitiatingProcessFileName, ActionType
| order by Timestamp desc
| Sentinel Table | Notes |
|---|---|
CommonSecurityLog | Ensure this data connector is enabled |
DeviceNetworkEvents | Ensure this data connector is enabled |
Here are 5 specific false positive scenarios for the ThreatFox: Kimwolf IOCs detection rule in an enterprise environment, along with suggested filters or exclusions:
Endpoint Management Agent Updates
10.x.x.x for SCCM) and filter out events occurring only between 02:00–04:00 UTC on weekdays, which aligns with the standard patching window.Third-Party Antivirus Signature Synchronization
falcon.sys (CrowdStrike) or sentinel-agent.exe (SentinelOne) when communicating with known vendor update domains (e.g., *.crowdstrike.com, *.sentinelone.net).Scheduled Compliance Scanning Jobs