This hunt detects adversary behavior characterized by the presence of twenty-four distinct indicators of compromise (IOCs) linked to previously unidentified malware strains that may evade standard signature-based defenses. A SOC team should proactively hunt for these IOCs in Azure Sentinel to rapidly identify and contain emerging threats before they establish persistence or propagate laterally across the enterprise network.
Malware Family: Unknown malware Total IOCs: 24 IOC Types: ip:port, domain, url
| Type | Value | Threat Type | First Seen | Confidence |
|---|---|---|---|---|
| ip:port | 20[.]243[.]82[.]8:7443 | botnet_cc | 2026-08-09 | 75% |
| ip:port | 20[.]3[.]144[.]244:7443 | botnet_cc | 2026-08-09 | 100% |
| ip:port | 45[.]61[.]136[.]78:7443 | botnet_cc | 2026-08-09 | 100% |
| domain | vmi3469820.contaboserver.net | payload_delivery | 2026-08-09 | 100% |
| domain | stoppingignpi.buzz | payload_delivery | 2026-08-09 | 100% |
| domain | rogethat231.icu | payload_delivery | 2026-08-09 | 100% |
| domain | tokerjoker.icu | payload_delivery | 2026-08-09 | 100% |
| ip:port | 202[.]60[.]232[.]182:7443 | botnet_cc | 2026-08-09 | 100% |
| ip:port | 34[.]26[.]129[.]189:7443 | botnet_cc | 2026-08-09 | 100% |
| ip:port | 183[.]60[.]226[.]2:110 | botnet_cc | 2026-08-09 | 100% |
| ip:port | 185[.]199[.]199[.]159:8080 | botnet_cc | 2026-08-08 | 75% |
| ip:port | 185[.]199[.]199[.]159:8082 | botnet_cc | 2026-08-08 | 75% |
| ip:port | 45[.]92[.]170[.]238:8888 | botnet_cc | 2026-08-08 | 75% |
| url | hxxps://144[.]172[.]94[.]130/api/v1/agent/enroll | botnet_cc | 2026-08-08 | 100% |
| ip:port | 144[.]172[.]94[.]130:443 | botnet_cc | 2026-08-08 | 75% |
| ip:port | 34[.]150[.]91[.]139:19443 | botnet_cc | 2026-08-08 | 75% |
| ip:port | 169[.]58[.]64[.]151:7443 | botnet_cc | 2026-08-08 | 75% |
| ip:port | 117[.]72[.]72[.]254:8080 | botnet_cc | 2026-08-08 | 100% |
| ip:port | 119[.]45[.]190[.]210:22 | botnet_cc | 2026-08-08 | 100% |
| ip:port | 183[.]60[.]226[.]2:993 | botnet_cc | 2026-08-08 | 100% |
| ip:port | 183[.]60[.]226[.]2:143 | botnet_cc | 2026-08-08 | 100% |
| ip:port | 38[.]60[.]227[.]165:7443 | botnet_cc | 2026-08-08 | 100% |
| ip:port | 37[.]72[.]168[.]212:7443 | botnet_cc | 2026-08-08 | 100% |
| ip:port | 139[.]212[.]143[.]218:22 | botnet_cc | 2026-08-08 | 100% |
// Hunt for network connections to known malicious IPs
// Source: ThreatFox - Unknown malware
let malicious_ips = dynamic(["169.58.64.151", "139.212.143.218", "202.60.232.182", "20.3.144.244", "34.26.129.189", "37.72.168.212", "38.60.227.165", "34.150.91.139", "20.243.82.8", "119.45.190.210", "144.172.94.130", "45.92.170.238", "45.61.136.78", "185.199.199.159", "183.60.226.2", "117.72.72.254"]);
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(["169.58.64.151", "139.212.143.218", "202.60.232.182", "20.3.144.244", "34.26.129.189", "37.72.168.212", "38.60.227.165", "34.150.91.139", "20.243.82.8", "119.45.190.210", "144.172.94.130", "45.92.170.238", "45.61.136.78", "185.199.199.159", "183.60.226.2", "117.72.72.254"]);
DeviceNetworkEvents
| where RemoteIP in (malicious_ips)
| project Timestamp, DeviceName, RemoteIP, RemotePort, InitiatingProcessFileName, ActionType
| order by Timestamp desc
// Hunt for DNS queries to known malicious domains
// Source: ThreatFox - Unknown malware
let malicious_domains = dynamic(["vmi3469820.contaboserver.net", "stoppingignpi.buzz", "rogethat231.icu", "tokerjoker.icu"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses, QueryType
| order by TimeGenerated desc
// Hunt for access to known malicious URLs
// Source: ThreatFox - Unknown malware
let malicious_urls = dynamic(["https://144.172.94.130/api/v1/agent/enroll"]);
UrlClickEvents
| where Url has_any (malicious_urls)
| project Timestamp, AccountUpn, Url, ActionType, IsClickedThrough
| order by Timestamp desc
| Sentinel Table | Notes |
|---|---|
CommonSecurityLog | Ensure this data connector is enabled |
DeviceNetworkEvents | Ensure this data connector is enabled |
DnsEvents | Ensure this data connector is enabled |
UrlClickEvents | Ensure this data connector is enabled |
Here are specific false positive scenarios and corresponding exclusion strategies for the ThreatFox: Unknown malware IOCs rule in an enterprise environment:
Scenario: Enterprise Antivirus Engine Updates
C:\Program Files\CrowdStrike\cs_falcon.exe or C:\Windows\System32\defender\mpclient.dll). Additionally, exclude IOCs generated by processes running under the “SYSTEM” account during scheduled maintenance windows (e.g., 01:00–04:00 UTC).Scenario: Internal Software Deployment via Configuration Management
DOMAIN\SCCM-Deploy-SVC) and exclude IOCs originating from specific network subnets dedicated to patch management (e.g., 10.20.50.x). Furthermore, add a logic check to suppress alerts if the file hash has been observed on more than 5 distinct endpoints within the last hour, indicating a mass deployment rather than an isolated infection.**Scenario: Developer Build Artifacts