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Compromised host delivering malware (Mirai)

High
Published: Fri Jan 28 2022 (01/28/2022, 00:00:00 UTC)
Source: CIRCL
Vendor/Project: adversary
Product: infrastructure-status

Description

Compromised host delivering malware (Mirai)

AI-Powered Analysis

AILast updated: 06/18/2025, 09:50:06 UTC

Technical Analysis

The threat involves a compromised host that is delivering malware associated with the Mirai botnet. Mirai is a well-known malware family that primarily targets Internet of Things (IoT) devices by exploiting weak or default credentials to gain control over these devices. Once infected, these devices become part of a botnet that can be used to launch distributed denial-of-service (DDoS) attacks, propagate additional malware, or conduct other malicious activities. The compromised host in this context is acting as a delivery mechanism for Mirai malware, potentially distributing it to vulnerable devices or networks. Although no specific affected versions or products are listed, the reference to "infrastructure-status" suggests that the compromised host may be part of network infrastructure or monitoring systems. The threat is tagged with a high severity level and is categorized as an adversary-controlled infrastructure delivering Mirai malware. There are no known exploits in the wild specifically tied to this compromised host, but Mirai itself has a history of widespread exploitation. The technical details indicate a low threat level rating (1) and no detailed analysis provided, with a moderate certainty (50%) of the intelligence. The perpetual lifetime tag implies this is an ongoing threat. Overall, this threat represents a persistent risk of Mirai malware distribution via compromised infrastructure hosts, which can facilitate large-scale botnet activity and associated cyberattacks.

Potential Impact

For European organizations, the impact of this threat can be significant, especially for entities relying on IoT devices and network infrastructure that may be vulnerable to Mirai infections. Compromised hosts delivering Mirai malware can lead to widespread infection of IoT devices, resulting in the formation of large botnets capable of launching disruptive DDoS attacks against critical services, including financial institutions, government services, and telecommunications providers. This can cause service outages, degrade network performance, and lead to financial losses and reputational damage. Additionally, infected devices may be used as pivot points for further network intrusion or data exfiltration, impacting confidentiality and integrity. The threat also poses risks to industrial control systems and smart city infrastructure prevalent in Europe, potentially disrupting essential services. Given the high connectivity and IoT adoption in Europe, the propagation of Mirai malware through compromised infrastructure hosts could amplify the scale and impact of attacks.

Mitigation Recommendations

1. Conduct comprehensive network and device inventory to identify IoT devices and infrastructure components potentially vulnerable to Mirai infection. 2. Enforce strong authentication policies by eliminating default or weak credentials on all IoT devices and network infrastructure. 3. Implement network segmentation to isolate IoT devices and critical infrastructure from general enterprise networks, limiting malware propagation. 4. Deploy intrusion detection and prevention systems (IDS/IPS) with signatures and anomaly detection capabilities tailored to Mirai and similar botnet traffic patterns. 5. Monitor outbound traffic for unusual patterns indicative of botnet command and control communications or malware distribution. 6. Regularly update and patch IoT device firmware and infrastructure software where possible, even though no specific patches are listed for this threat. 7. Employ threat intelligence feeds to stay informed about compromised hosts and emerging Mirai variants. 8. Collaborate with ISPs and CERTs to identify and remediate compromised hosts within organizational networks. 9. Restrict unnecessary inbound and outbound ports and protocols commonly exploited by Mirai (e.g., Telnet, SSH) through firewall rules. 10. Conduct user awareness training focused on IoT security hygiene and incident reporting procedures.

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Technical Details

Threat Level
1
Analysis
0
Original Timestamp
1643379935

Threat ID: 682acdbebbaf20d303f0c1bb

Added to database: 5/19/2025, 6:20:46 AM

Last enriched: 6/18/2025, 9:50:06 AM

Last updated: 7/29/2025, 2:22:40 PM

Views: 11

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