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ThreatFox: VShell IOCs

ioc-hunt HIGH ThreatFox
CommonSecurityLogDeviceFileEventsDeviceNetworkEvents
iocthreatfoxwin-vshell
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 ThreatFox →
Retrieved: 2026-09-18T23:00:01Z · Confidence: high

Hunt Hypothesis

This hunt targets the presence of VShell, a lightweight web shell often deployed by adversaries to maintain persistent access and execute commands within compromised Azure environments. Proactively hunting for these IOCs is critical because VShell can operate stealthily to facilitate lateral movement and data exfiltration, making early detection essential to disrupt the adversary’s foothold before it escalates.

IOC Summary

Malware Family: VShell Total IOCs: 19 IOC Types: sha256_hash, ip:port

TypeValueThreat TypeFirst SeenConfidence
ip:port45[.]192[.]213[.]11:80botnet_cc2026-09-18100%
ip:port8[.]137[.]35[.]137:18084botnet_cc2026-09-18100%
ip:port154[.]91[.]61[.]104:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]61[.]110:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]61[.]113:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]61[.]122:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]60[.]117:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]60[.]122:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]60[.]111:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]60[.]115:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]60[.]109:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]60[.]105:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]59[.]109:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]60[.]101:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]59[.]100:8084botnet_cc2026-09-18100%
ip:port154[.]91[.]58[.]122:8084botnet_cc2026-09-18100%
sha256_hash9b45f364fea59f35833dbc1ed6e6bbcded8f2970a506d86e9e7303a56a09593cpayload2026-09-1895%
sha256_hash63b0475bd58c48b4fe32f23515816550b6bb20455725b703e12d3428b3e7bedfpayload2026-09-1895%
sha256_hash6f102146c656ffdc9a31fbbbeb8e319b00898e485f93b76c5ad04a964bfd4fdcpayload2026-09-1895%

KQL: Ip Hunt

// Hunt for network connections to known malicious IPs
// Source: ThreatFox - VShell
let malicious_ips = dynamic(["45.192.213.11", "154.91.60.117", "154.91.60.115", "154.91.60.109", "154.91.59.100", "8.137.35.137", "154.91.61.122", "154.91.60.105", "154.91.60.101", "154.91.61.104", "154.91.60.122", "154.91.61.113", "154.91.59.109", "154.91.58.122", "154.91.60.111", "154.91.61.110"]);
CommonSecurityLog
| where DestinationIP in (malicious_ips) or SourceIP in (malicious_ips)
| project TimeGenerated, SourceIP, DestinationIP, DestinationPort, DeviceAction, Activity
| order by TimeGenerated desc

KQL: Ip Hunt Device

// Hunt in Defender for Endpoint network events
let malicious_ips = dynamic(["45.192.213.11", "154.91.60.117", "154.91.60.115", "154.91.60.109", "154.91.59.100", "8.137.35.137", "154.91.61.122", "154.91.60.105", "154.91.60.101", "154.91.61.104", "154.91.60.122", "154.91.61.113", "154.91.59.109", "154.91.58.122", "154.91.60.111", "154.91.61.110"]);
DeviceNetworkEvents
| where RemoteIP in (malicious_ips)
| project Timestamp, DeviceName, RemoteIP, RemotePort, InitiatingProcessFileName, ActionType
| order by Timestamp desc

KQL: Hash Hunt

// Hunt for files matching known malicious hashes
// Source: ThreatFox - VShell
let malicious_hashes = dynamic(["9b45f364fea59f35833dbc1ed6e6bbcded8f2970a506d86e9e7303a56a09593c", "63b0475bd58c48b4fe32f23515816550b6bb20455725b703e12d3428b3e7bedf", "6f102146c656ffdc9a31fbbbeb8e319b00898e485f93b76c5ad04a964bfd4fdc"]);
DeviceFileEvents
| where SHA256 in (malicious_hashes) or SHA1 in (malicious_hashes) or MD5 in (malicious_hashes)
| project Timestamp, DeviceName, FileName, FolderPath, SHA256, InitiatingProcessFileName
| order by Timestamp desc

Required Data Sources

Sentinel TableNotes
CommonSecurityLogEnsure this data connector is enabled
DeviceFileEventsEnsure this data connector is enabled
DeviceNetworkEventsEnsure this data connector is enabled

References

False Positive Guidance

Original source: https://threatfox.abuse.ch/browse/malware/win.vshell/