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URLhaus: elf 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: 2026-08-30T23:00:00Z · Confidence: medium

Hunt Hypothesis

This detection identifies adversary activity involving the execution of ELF (Executable and Linkable Format) binaries delivered through known malicious URLs, which often indicates a cross-platform threat or supply chain compromise targeting Linux-based workloads within the Azure environment. Proactively hunting for these specific URL patterns is critical to rapidly isolate potential lateral movement vectors before they exploit containerized services or hybrid infrastructure that may not be fully covered by traditional Windows-centric endpoint detection rules.

IOC Summary

Threat: elf Total URLs: 33 Active URLs: 13

URLStatusThreatDate Added
hxxp://91.184.241.245/bins/psh4offlinemalware_download2026-08-30
hxxp://91.184.241.245/bins/pmipsofflinemalware_download2026-08-30
hxxp://91.184.241.245/bins/parm6offlinemalware_download2026-08-30
hxxp://91.184.241.245/bins/pm68kofflinemalware_download2026-08-30
hxxp://91.184.241.245/bins/px86offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.x86_64offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.sh4offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.x86offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.spcofflinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.i686offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.arm6offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.arcofflinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.mipsofflinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.mpslofflinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.m68kofflinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.i468offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.armofflinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.arm5offlinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.ppcofflinemalware_download2026-08-30
hxxp://64.89.163.8/hiddenbin/boatnet.arm7offlinemalware_download2026-08-30
hxxp://190.123.46.208/Okami.sparconlinemalware_download2026-08-30
hxxp://190.123.46.208/Okami.arm4onlinemalware_download2026-08-30
hxxp://190.123.46.208/Okami.arm5onlinemalware_download2026-08-30
hxxp://190.123.46.208/Okami.ppconlinemalware_download2026-08-30
hxxp://190.123.46.208/Okami.ppc440onlinemalware_download2026-08-30

KQL: Url Dns Hunt

// Hunt for DNS resolution of URLhaus malicious domains
// Threat: elf
let malicious_domains = dynamic(["190.123.46.208"]);
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(["190.123.46.208"]);
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: elf Malicious URLs detection rule, including suggested filters and exclusions tailored for an enterprise environment:

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