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URLhaus: 32-bit Malicious URLs

ioc-hunt HIGH URLhaus
CommonSecurityLogDnsEvents
iocurlhaus
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 URLhaus →
Retrieved: 2026-07-28T11:00:01Z · Confidence: medium

Hunt Hypothesis

This detection identifies adversary activity involving the execution of 32-bit malware payloads delivered through known malicious URLs flagged by URLhaus. SOC teams should proactively hunt for these indicators in Azure Sentinel to rapidly isolate compromised endpoints and prevent lateral movement before the threat escalates within the network.

IOC Summary

Threat: 32-bit Total URLs: 51 Active URLs: 46

URLStatusThreatDate Added
hxxp://221.15.190.195:57524/ionlinemalware_download2026-07-28
hxxp://222.138.132.154:55677/ionlinemalware_download2026-07-28
hxxp://182.121.15.2:55953/ionlinemalware_download2026-07-28
hxxp://182.121.15.2:55953/bin.shonlinemalware_download2026-07-28
hxxp://221.15.190.195:57524/bin.shonlinemalware_download2026-07-28
hxxp://125.40.51.82:52574/ionlinemalware_download2026-07-28
hxxp://222.219.74.211:52755/ionlinemalware_download2026-07-28
hxxp://123.12.230.120:38720/ionlinemalware_download2026-07-28
hxxp://110.36.19.51:42772/bin.shonlinemalware_download2026-07-28
hxxp://222.219.74.211:52755/bin.shonlinemalware_download2026-07-28
hxxp://182.127.122.39:55560/ionlinemalware_download2026-07-28
hxxp://123.12.230.120:38720/bin.shonlinemalware_download2026-07-28
hxxp://37.52.154.254:47072/ionlinemalware_download2026-07-28
hxxp://182.112.156.220:41236/bin.shonlinemalware_download2026-07-28
hxxp://110.37.118.111:36398/bin.shonlinemalware_download2026-07-28
hxxp://125.40.51.82:52574/bin.shonlinemalware_download2026-07-28
hxxp://110.37.127.45:57192/ionlinemalware_download2026-07-28
hxxp://110.37.90.152:49622/ionlinemalware_download2026-07-28
hxxp://196.189.35.226:52074/bin.shonlinemalware_download2026-07-28
hxxp://37.52.154.254:47072/bin.shonlinemalware_download2026-07-28
hxxp://110.39.237.185:54089/bin.shonlinemalware_download2026-07-28
hxxp://125.44.178.22:35366/ionlinemalware_download2026-07-28
hxxp://125.44.178.22:35366/bin.shonlinemalware_download2026-07-28
hxxp://61.52.46.142:56039/ionlinemalware_download2026-07-28
hxxp://221.14.106.122:40872/ionlinemalware_download2026-07-28

KQL: Url Dns Hunt

// Hunt for DNS resolution of URLhaus malicious domains
// Threat: 32-bit
let malicious_domains = dynamic(["123.4.139.99", "110.36.19.51", "123.12.230.120", "182.121.15.2", "222.219.74.211", "37.52.154.254", "221.15.190.195", "110.37.90.152", "110.37.127.45", "110.39.237.185", "196.189.35.226", "222.138.132.154", "182.112.156.220", "125.44.178.22", "61.52.46.142", "222.141.131.55", "221.14.106.122", "182.127.122.39", "182.119.29.39", "125.40.51.82", "110.37.118.111"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses
| order by TimeGenerated desc

KQL: Url Proxy Hunt

// Hunt for web traffic to URLhaus malicious domains
let malicious_domains = dynamic(["123.4.139.99", "110.36.19.51", "123.12.230.120", "182.121.15.2", "222.219.74.211", "37.52.154.254", "221.15.190.195", "110.37.90.152", "110.37.127.45", "110.39.237.185", "196.189.35.226", "222.138.132.154", "182.112.156.220", "125.44.178.22", "61.52.46.142", "222.141.131.55", "221.14.106.122", "182.127.122.39", "182.119.29.39", "125.40.51.82", "110.37.118.111"]);
CommonSecurityLog
| where RequestURL has_any (malicious_domains) or DestinationHostName has_any (malicious_domains)
| project TimeGenerated, SourceIP, RequestURL, DestinationHostName, DeviceAction
| order by TimeGenerated desc

Required Data Sources

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

References

False Positive Guidance

Here are 4 specific false positive scenarios for the URLhaus: 32-bit Malicious URLs detection rule in an enterprise environment, along with recommended filters or exclusions:

Original source: https://urlhaus.abuse.ch/