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ThreatFox: Aisuru IOCs

ioc-hunt HIGH ThreatFox
CommonSecurityLogDeviceNetworkEvents
elf-aisuruiocthreatfox
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: 2026-07-03T11:00:00Z · Confidence: high

Hunt Hypothesis

This hunt detects adversary activity linked to the Aisuru threat actor by correlating network and endpoint telemetry against a curated set of 43 specific Indicators of Compromise (IOCs). Proactively hunting for these signatures in Azure Sentinel is critical because early identification of Aisuru’s distinct behavioral patterns allows the SOC team to rapidly isolate affected assets before lateral movement or data exfiltration occurs.

IOC Summary

Malware Family: Aisuru Total IOCs: 43 IOC Types: ip:port

TypeValueThreat TypeFirst SeenConfidence
ip:port143[.]244[.]175[.]246:37215botnet_cc2026-07-03100%
ip:port165[.]227[.]194[.]213:12345botnet_cc2026-07-03100%
ip:port147[.]182[.]177[.]164:9035botnet_cc2026-07-03100%
ip:port120[.]205[.]80[.]107:8443botnet_cc2026-07-03100%
ip:port165[.]227[.]194[.]213:8443botnet_cc2026-07-03100%
ip:port143[.]244[.]175[.]246:8443botnet_cc2026-07-03100%
ip:port159[.]223[.]170[.]92:8001botnet_cc2026-07-03100%
ip:port159[.]223[.]170[.]92:8443botnet_cc2026-07-03100%
ip:port143[.]244[.]175[.]246:8080botnet_cc2026-07-03100%
ip:port165[.]227[.]194[.]213:9034botnet_cc2026-07-03100%
ip:port143[.]244[.]175[.]246:34567botnet_cc2026-07-03100%
ip:port165[.]227[.]194[.]213:34567botnet_cc2026-07-03100%
ip:port139[.]59[.]247[.]238:9034botnet_cc2026-07-03100%
ip:port143[.]244[.]175[.]246:9034botnet_cc2026-07-03100%
ip:port165[.]227[.]194[.]213:8080botnet_cc2026-07-03100%
ip:port137[.]184[.]74[.]12:37215botnet_cc2026-07-03100%
ip:port139[.]59[.]247[.]238:12345botnet_cc2026-07-03100%
ip:port139[.]59[.]247[.]238:8443botnet_cc2026-07-03100%
ip:port178[.]128[.]209[.]167:9034botnet_cc2026-07-03100%
ip:port103[.]27[.]78[.]161:8443botnet_cc2026-07-03100%
ip:port165[.]22[.]58[.]47:5555botnet_cc2026-07-03100%
ip:port165[.]22[.]58[.]47:8080botnet_cc2026-07-03100%
ip:port137[.]184[.]74[.]12:9034botnet_cc2026-07-03100%
ip:port137[.]184[.]74[.]12:5555botnet_cc2026-07-03100%
ip:port178[.]128[.]209[.]167:8443botnet_cc2026-07-03100%

KQL: Ip Hunt

// Hunt for network connections to known malicious IPs
// Source: ThreatFox - Aisuru
let malicious_ips = dynamic(["147.182.177.164", "120.205.80.107", "159.223.170.92", "139.59.247.238", "137.184.74.12", "103.27.78.161", "178.128.209.167", "143.244.175.246", "165.22.58.47", "165.227.194.213"]);
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(["147.182.177.164", "120.205.80.107", "159.223.170.92", "139.59.247.238", "137.184.74.12", "103.27.78.161", "178.128.209.167", "143.244.175.246", "165.22.58.47", "165.227.194.213"]);
DeviceNetworkEvents
| where RemoteIP in (malicious_ips)
| project Timestamp, DeviceName, RemoteIP, RemotePort, InitiatingProcessFileName, ActionType
| order by Timestamp desc

Required Data Sources

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

References

False Positive Guidance

Here are specific false positive scenarios for the ThreatFox: Aisuru IOCs detection rule in an enterprise environment, along with suggested filters or exclusions:

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