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SMS/iMessage phishes forcing users to install/run scripts and update VPN settings

Low
Published: Fri Mar 02 2018 (03/02/2018, 00:00:00 UTC)
Source: CIRCL
Vendor/Project: tlp
Product: white

Description

SMS/iMessage phishes forcing users to install/run scripts and update VPN settings

AI-Powered Analysis

AILast updated: 07/02/2025, 12:56:52 UTC

Technical Analysis

This threat involves phishing attacks conducted via SMS and iMessage platforms, where attackers send messages designed to deceive users into installing or running malicious scripts and modifying their VPN settings. The phishing messages likely impersonate trusted entities or services to trick users into executing these actions, which can compromise device security and network integrity. By forcing users to run scripts, attackers may gain unauthorized access to device resources, install malware, or establish persistent control. The requirement to update VPN settings suggests an attempt to redirect or intercept network traffic, potentially enabling man-in-the-middle attacks, data exfiltration, or further compromise of secure communications. Although no specific affected software versions are listed, the attack vector targets mobile messaging platforms and user behavior rather than exploiting a software vulnerability directly. The threat level is rated low by the source, and there are no known exploits in the wild documented at the time of publication. The attack relies heavily on social engineering, requiring user interaction to succeed, and does not appear to exploit technical vulnerabilities in the messaging platforms themselves.

Potential Impact

For European organizations, this phishing threat poses risks primarily through compromised employee devices, which can serve as entry points for broader network infiltration. If users install malicious scripts or alter VPN configurations, attackers could intercept sensitive corporate communications, access internal resources, or deploy malware within organizational networks. This can lead to data breaches, intellectual property theft, or disruption of business operations. The impact is heightened for organizations relying on VPNs for secure remote access, as manipulated VPN settings may undermine confidentiality and integrity of communications. Additionally, compromised devices can be leveraged for lateral movement or as part of larger botnets. However, since the attack requires user interaction and targets mobile messaging platforms, the threat is more opportunistic and less likely to cause widespread automated compromise without effective user awareness and controls.

Mitigation Recommendations

European organizations should implement targeted user awareness training emphasizing the risks of SMS/iMessage phishing and the dangers of executing unsolicited scripts or modifying VPN settings without verification. Technical controls should include enforcing strict VPN configuration management policies, such as using centralized VPN profiles that cannot be altered by end users without administrative approval. Mobile device management (MDM) solutions can enforce security policies, restrict script execution, and monitor VPN configuration changes. Organizations should also encourage the use of multi-factor authentication (MFA) for VPN access to reduce the risk of unauthorized access even if VPN settings are compromised. Regular audits of VPN configurations and network traffic monitoring can help detect anomalies indicative of compromise. Finally, organizations should promote reporting mechanisms for suspicious messages to enable rapid response and threat intelligence sharing.

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Technical Details

Threat Level
3
Analysis
0
Original Timestamp
1519987573

Threat ID: 682acdbdbbaf20d303f0bd67

Added to database: 5/19/2025, 6:20:45 AM

Last enriched: 7/2/2025, 12:56:52 PM

Last updated: 8/17/2025, 8:48:30 PM

Views: 11

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