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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: 2026-09-10T23:00:00Z · Confidence: medium

Hunt Hypothesis

This hypothesis targets adversaries leveraging the ELF malware family to establish initial access or execute payloads via known malicious URLs, a tactic often used to download additional tools or maintain persistence. Proactively hunting for these indicators in Azure Sentinel allows the SOC to identify compromised endpoints or data exfiltration attempts before the malware fully propagates, reducing the mean time to detection for high-severity threats.

IOC Summary

Threat: elf Total URLs: 50 Active URLs: 38

URLStatusThreatDate Added
hxxp://3.133.139.254/tiny_bot.armofflinemalware_download2026-09-10
hxxp://3.133.139.254/mirai.mipsofflinemalware_download2026-09-10
hxxp://3.133.139.254/tiny_bot.mipselofflinemalware_download2026-09-10
hxxp://3.133.139.254/mirai.mipselofflinemalware_download2026-09-10
hxxp://3.133.139.254/tiny_bot.x86_64offlinemalware_download2026-09-10
hxxp://3.133.139.254/mirai.armofflinemalware_download2026-09-10
hxxp://3.133.139.254/tiny_bot.arm64offlinemalware_download2026-09-10
hxxp://3.133.139.254/tiny_bot.arm7offlinemalware_download2026-09-10
hxxp://3.133.139.254/tiny_bot.mipsofflinemalware_download2026-09-10
hxxp://3.133.139.254/mirai.arm7offlinemalware_download2026-09-10
hxxp://3.133.139.254/mirai.x86_64offlinemalware_download2026-09-10
hxxp://38.55.99.215:8080/moot.armonlinemalware_download2026-09-10
hxxp://38.55.99.215:8080/moot.mipsonlinemalware_download2026-09-10
hxxp://129.159.135.190/bot.arm5onlinemalware_download2026-09-10
hxxp://129.159.135.190/bot_vps.mipsonlinemalware_download2026-09-10
hxxp://129.159.135.190/bot_vps.arm5onlinemalware_download2026-09-10
hxxp://129.159.135.190/bot.armonlinemalware_download2026-09-10
hxxp://129.159.135.190/bot.mipselonlinemalware_download2026-09-10
hxxp://129.159.135.190/bot_vps.arm7onlinemalware_download2026-09-10
hxxp://129.159.135.190/bot.x86_64onlinemalware_download2026-09-10
hxxp://129.159.135.190/bot.mipsonlinemalware_download2026-09-10
hxxp://129.159.135.190/bot_vps.x86_64onlinemalware_download2026-09-10
hxxp://129.159.135.190/bot_vps.arm64onlinemalware_download2026-09-10
hxxp://129.159.135.190/bot.arm64onlinemalware_download2026-09-10
hxxp://129.159.135.190/bot_vps.mpslonlinemalware_download2026-09-10

KQL: Url Dns Hunt

// Hunt for DNS resolution of URLhaus malicious domains
// Threat: elf
let malicious_domains = dynamic(["38.55.99.215", "2.27.203.59", "129.159.135.190"]);
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(["38.55.99.215", "2.27.203.59", "129.159.135.190"]);
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

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