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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: 2026-07-25T23:00:00Z · Confidence: medium

Hunt Hypothesis

This detection identifies adversary activity involving known malicious web resources targeting 32-bit systems, which often indicates initial access or command-and-control communication via compromised browsers. A SOC team should proactively hunt for these URLs in Azure Sentinel to rapidly isolate affected endpoints and prevent lateral movement before the malware establishes persistence on legacy infrastructure.

IOC Summary

Threat: 32-bit Total URLs: 43 Active URLs: 39

URLStatusThreatDate Added
hxxp://27.37.100.220:38525/ionlinemalware_download2026-07-25
hxxp://175.146.225.46:48972/bin.shonlinemalware_download2026-07-25
hxxp://27.215.208.135:40785/bin.shonlinemalware_download2026-07-25
hxxp://178.150.97.200:32971/ionlinemalware_download2026-07-25
hxxp://61.52.186.184:44221/ionlinemalware_download2026-07-25
hxxp://27.37.100.220:38525/bin.shofflinemalware_download2026-07-25
hxxp://14.177.88.148:46180/ionlinemalware_download2026-07-25
hxxp://124.131.145.114:44654/ionlinemalware_download2026-07-25
hxxp://178.150.97.200:32971/bin.shonlinemalware_download2026-07-25
hxxp://105.187.42.210:52419/ionlinemalware_download2026-07-25
hxxp://110.85.99.205:38787/ionlinemalware_download2026-07-25
hxxp://115.57.254.177:40779/ionlinemalware_download2026-07-25
hxxp://115.57.254.177:40779/bin.shonlinemalware_download2026-07-25
hxxp://106.41.137.15:48343/ionlinemalware_download2026-07-25
hxxp://46.236.65.43:41753/ionlinemalware_download2026-07-25
hxxp://119.183.25.240:40130/bin.shonlinemalware_download2026-07-25
hxxp://115.55.239.136:53259/ionlinemalware_download2026-07-25
hxxp://221.14.39.115:54130/ionlinemalware_download2026-07-25
hxxp://115.56.171.219:49349/bin.shonlinemalware_download2026-07-25
hxxp://221.14.39.115:54130/bin.shonlinemalware_download2026-07-25
hxxp://125.47.239.251:37472/bin.shonlinemalware_download2026-07-25
hxxp://125.40.1.120:40654/bin.shofflinemalware_download2026-07-25
hxxp://115.49.203.4:34910/ionlinemalware_download2026-07-25
hxxp://123.4.235.143:54118/ionlinemalware_download2026-07-25
hxxp://182.127.167.83:54570/ionlinemalware_download2026-07-25

KQL: Url Dns Hunt

// Hunt for DNS resolution of URLhaus malicious domains
// Threat: 32-bit
let malicious_domains = dynamic(["178.150.97.200", "119.183.25.240", "123.4.235.143", "27.204.193.52", "46.236.65.43", "182.127.167.83", "27.37.100.220", "115.49.203.4", "61.52.186.184", "27.215.208.135", "221.14.39.115", "125.47.239.251", "110.85.99.205", "196.190.105.170", "115.55.239.136", "115.57.254.177", "125.41.77.70", "115.56.171.219", "124.131.145.114", "106.41.137.15", "115.49.90.44", "14.177.88.148", "105.187.42.210", "175.146.225.46", "115.50.26.7"]);
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(["178.150.97.200", "119.183.25.240", "123.4.235.143", "27.204.193.52", "46.236.65.43", "182.127.167.83", "27.37.100.220", "115.49.203.4", "61.52.186.184", "27.215.208.135", "221.14.39.115", "125.47.239.251", "110.85.99.205", "196.190.105.170", "115.55.239.136", "115.57.254.177", "125.41.77.70", "115.56.171.219", "124.131.145.114", "106.41.137.15", "115.49.90.44", "14.177.88.148", "105.187.42.210", "175.146.225.46", "115.50.26.7"]);
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 5 specific false positive scenarios for the URLhaus: 32-bit Malicious URLs detection rule, including targeted filters and exclusions suitable for an enterprise environment:

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