This hunt targets adversaries leveraging known 32-bit malicious web endpoints to deliver payloads or exfiltrate data from legacy systems within the Azure environment. Proactively hunting for these specific URLhaus indicators is critical because their presence often signals an active compromise that may have bypassed standard perimeter defenses, requiring immediate investigation of associated host behaviors and network flows in Sentinel.
Threat: 32-bit Total URLs: 53 Active URLs: 47
| URL | Status | Threat | Date Added |
|---|---|---|---|
hxxp://115.61.115.34:38344/bin.sh | online | malware_download | 2026-06-30 |
hxxp://182.119.29.254:60264/bin.sh | online | malware_download | 2026-06-30 |
hxxp://113.228.64.165:54163/bin.sh | online | malware_download | 2026-06-30 |
hxxp://42.231.79.39:36978/bin.sh | online | malware_download | 2026-06-30 |
hxxp://182.127.5.144:43718/i | online | malware_download | 2026-06-30 |
hxxp://36.88.136.194:36101/i | online | malware_download | 2026-06-30 |
hxxp://182.121.219.220:56695/i | online | malware_download | 2026-06-30 |
hxxp://182.127.5.144:43718/bin.sh | online | malware_download | 2026-06-30 |
hxxp://42.231.46.107:47290/i | online | malware_download | 2026-06-30 |
hxxp://36.88.136.194:36101/bin.sh | online | malware_download | 2026-06-30 |
hxxp://115.55.239.183:47050/i | online | malware_download | 2026-06-30 |
hxxp://219.157.66.34:60571/i | online | malware_download | 2026-06-30 |
hxxp://182.116.51.190:39891/i | online | malware_download | 2026-06-30 |
hxxp://125.43.229.27:37634/i | online | malware_download | 2026-06-30 |
hxxp://220.202.66.197:46907/i | online | malware_download | 2026-06-30 |
hxxp://182.126.112.168:57141/i | online | malware_download | 2026-06-30 |
hxxp://182.116.51.190:39891/bin.sh | online | malware_download | 2026-06-30 |
hxxp://125.43.229.27:37634/bin.sh | online | malware_download | 2026-06-30 |
hxxp://182.114.49.53:50476/i | online | malware_download | 2026-06-30 |
hxxp://27.44.146.239:41074/i | online | malware_download | 2026-06-30 |
hxxp://27.44.146.131:49663/i | online | malware_download | 2026-06-30 |
hxxp://27.44.146.66:43031/i | online | malware_download | 2026-06-30 |
hxxp://176.215.23.159:2743/i | online | malware_download | 2026-06-30 |
hxxp://27.44.147.81:48312/i | online | malware_download | 2026-06-30 |
hxxp://42.239.224.139:47413/i | online | malware_download | 2026-06-30 |
// Hunt for DNS resolution of URLhaus malicious domains
// Threat: 32-bit
let malicious_domains = dynamic(["182.126.112.168", "27.44.147.81", "42.231.79.39", "113.228.64.165", "27.44.146.131", "42.178.147.173", "42.231.46.107", "202.163.107.168", "42.239.224.139", "36.88.136.194", "182.127.5.144", "182.114.49.53", "182.119.29.254", "115.55.239.183", "115.61.115.34", "182.121.219.220", "182.116.51.190", "27.44.146.66", "176.215.23.159", "125.43.229.27", "219.157.66.34", "220.202.66.197", "125.44.57.212", "27.44.146.239"]);
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(["182.126.112.168", "27.44.147.81", "42.231.79.39", "113.228.64.165", "27.44.146.131", "42.178.147.173", "42.231.46.107", "202.163.107.168", "42.239.224.139", "36.88.136.194", "182.127.5.144", "182.114.49.53", "182.119.29.254", "115.55.239.183", "115.61.115.34", "182.121.219.220", "182.116.51.190", "27.44.146.66", "176.215.23.159", "125.43.229.27", "219.157.66.34", "220.202.66.197", "125.44.57.212", "27.44.146.239"]);
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: 32-bit Malicious URLs detection rule in an enterprise environment, along with recommended filters or exclusions:
Legacy Software License Verification and Updates
*.adobe.com, updates.oracle.com) combined with a filter on the source process name matching known legacy executables (e.g., AcroRd32.exe, SAPLogon.exe).Administrative Patch Management Scans
NT SERVICE\SCCMService) during defined maintenance windows (e.g., 02:00–06:00 UTC) or filter by the specific user-agent string of the management agent.Automated Reporting and Data Extraction Jobs