This hunt targets adversaries leveraging ELF-based malware distribution through known malicious URLs identified by URLhaus to execute payloads on Windows systems. Proactively hunting for these indicators in Azure Sentinel is critical because it enables the early detection of lateral movement and initial compromise vectors before they escalate into full-scale infections across the organization’s endpoint fleet.
Threat: elf Total URLs: 28 Active URLs: 9
| URL | Status | Threat | Date Added |
|---|---|---|---|
hxxp://94.154.43.158/ghost.sh | offline | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/psh4 | online | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/pppc | online | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/parm5 | online | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/pmpsl | online | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/pm68k | online | malware_download | 2026-06-29 |
hxxp://129.121.114.124/ohpp | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/kA3l | offline | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/parm4 | offline | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/px86_64 | offline | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/pi686 | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/DSXk | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/IKp | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/e2I0 | offline | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/pmips | online | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/pmipsel | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/oGW | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/yMub | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/H53 | offline | malware_download | 2026-06-29 |
hxxp://45.192.97.47/a-r.m-6.Sakura | offline | malware_download | 2026-06-29 |
hxxp://143.20.185.89/bins/pspc | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/CaLP | offline | malware_download | 2026-06-29 |
hxxp://129.121.114.124/RBMt | offline | malware_download | 2026-06-29 |
hxxp://91.92.42.232/i386 | online | malware_download | 2026-06-29 |
hxxp://91.92.42.232/amd64 | offline | malware_download | 2026-06-29 |
// Hunt for DNS resolution of URLhaus malicious domains
// Threat: elf
let malicious_domains = dynamic(["91.92.42.232", "143.20.185.89"]);
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(["91.92.42.232", "143.20.185.89"]);
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 5 specific false positive scenarios for the URLhaus: elf Malicious URLs detection rule, tailored for an enterprise environment where legitimate ELF-related traffic is common:
Automated Security Patching via WSUS or SCCM
10.x.x.x) destined for Microsoft update domains (*.update.microsoft.com, *.download.windowsupdate.com).CI/CD Pipeline Artifact Retrieval
docker.io or ghcr.io) where the URL paths contain “elf” references related to Linux executable formats, causing the rule to flag these high-volume, legitimate downloads as potential threats.*.docker.io, *.nexus.internal, *.artifactory.example.com), ensuring the user agent string matches the build tool (e.g., Jenkins/2.x).Endpoint Protection Definition Updates