This detection identifies adversaries leveraging known malicious URLs from the URLhaus threat intelligence feed to distribute malware families via web-based downloads. Proactive hunting for these indicators in Azure Sentinel is critical to intercept initial infection vectors before they compromise endpoints and propagate laterally across the network.
Threat: malware_download Total URLs: 23 Active URLs: 19
| URL | Status | Threat | Date Added |
|---|---|---|---|
hxxps://winds11.site/aa/Setup.rar | online | malware_download | 2026-08-22 |
hxxp://47.129.178.214:8092/app_JnCFbH.webp | online | malware_download | 2026-08-22 |
hxxp://223.105.50.190:35667/i | offline | malware_download | 2026-08-22 |
hxxp://223.105.50.190:35667/bin.sh | offline | malware_download | 2026-08-22 |
hxxp://124.94.144.192:55986/i | online | malware_download | 2026-08-22 |
hxxp://42.5.8.190:54830/i | online | malware_download | 2026-08-22 |
hxxp://125.59.14.119:49412/i | offline | malware_download | 2026-08-22 |
hxxp://119.115.33.201:51030/i | online | malware_download | 2026-08-22 |
hxxp://42.54.18.142:43500/i | online | malware_download | 2026-08-22 |
hxxp://58.255.43.126:35671/i | online | malware_download | 2026-08-22 |
hxxp://163.142.92.235:39139/i | online | malware_download | 2026-08-22 |
hxxp://175.151.83.137:53442/bin.sh | online | malware_download | 2026-08-22 |
hxxp://175.151.83.137:53442/i | online | malware_download | 2026-08-22 |
hxxp://42.7.217.91:35797/i | online | malware_download | 2026-08-22 |
hxxp://223.108.82.26:33999/bin.sh | online | malware_download | 2026-08-22 |
hxxp://223.108.82.26:33999/i | online | malware_download | 2026-08-22 |
hxxp://175.107.210.253:44599/i | online | malware_download | 2026-08-22 |
hxxp://42.5.254.164:39916/i | online | malware_download | 2026-08-22 |
hxxp://113.239.64.220:36469/bin.sh | online | malware_download | 2026-08-22 |
hxxp://42.177.182.116:42583/bin.sh | online | malware_download | 2026-08-22 |
hxxp://113.239.116.131:52454/bin.sh | offline | malware_download | 2026-08-22 |
hxxp://194.59.30.63:56439/b/amd64 | online | malware_download | 2026-08-22 |
hxxp://194.59.30.63:56439/b/linux | online | malware_download | 2026-08-22 |
// Hunt for DNS resolution of URLhaus malicious domains
// Threat: malware_download
let malicious_domains = dynamic(["42.5.8.190", "223.108.82.26", "113.239.64.220", "175.151.83.137", "194.59.30.63", "58.255.43.126", "42.177.182.116", "47.129.178.214", "42.5.254.164", "winds11.site", "124.94.144.192", "163.142.92.235", "42.54.18.142", "175.107.210.253", "119.115.33.201", "42.7.217.91"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses
| order by TimeGenerated desc
// Hunt for web traffic to URLhaus malicious domains
let malicious_domains = dynamic(["42.5.8.190", "223.108.82.26", "113.239.64.220", "175.151.83.137", "194.59.30.63", "58.255.43.126", "42.177.182.116", "47.129.178.214", "42.5.254.164", "winds11.site", "124.94.144.192", "163.142.92.235", "42.54.18.142", "175.107.210.253", "119.115.33.201", "42.7.217.91"]);
CommonSecurityLog
| where RequestURL has_any (malicious_domains) or DestinationHostName has_any (malicious_domains)
| project TimeGenerated, SourceIP, RequestURL, DestinationHostName, DeviceAction
| order by TimeGenerated desc
| Sentinel Table | Notes |
|---|---|
CommonSecurityLog | Ensure this data connector is enabled |
DnsEvents | Ensure this data connector is enabled |
Here are 4 specific false positive scenarios for the URLhaus: malware_download Malicious URLs detection rule, including specific enterprise contexts and recommended filters:
Scenario: Automated Antivirus Definition Updates via Vendor Portals
updates.crowdstrike.com, go.microsoft.com) to fetch the latest malware definition signatures. These URLs often host large binary files that URLhaus may flag as “suspicious” due to high entropy or new hash values, even though they are benign.User-Agent string contains specific identifiers (e.g., CrowdStrike Falcon Sensor, Microsoft Defender Update Service) AND the destination URL matches the regex pattern of official vendor update subdomains.Scenario: Scheduled Enterprise Software Patching Jobs