Adversaries may leverage messaging services for SMS pumping, which may impact system and/or hosted service availability.(Citation: Twilio SMS Pumping) SMS pumping is a type of telecommunications fraud whereby a threat actor first obtains a set of phone numbers from a telecommunications provider, then leverages a victim’s messaging infrastructure to send large amounts of SMS messages to numbers in that set. By generating SMS traffic to their phone number set, a threat actor may earn payments from the telecommunications provider.(Citation: Twilio SMS Pumping Fraud)
Threat actors often use publicly available web forms, such as one-time password (OTP) or account verification fields, in order to generate SMS traffic. These fields may leverage services such as Twilio, AWS SNS, and Amazon Cognito in the background.(Citation: Twilio SMS Pumping)(Citation: AWS RE:Inforce Threat Detection 2024) In response to the large quantity of requests, SMS costs may increase and communication channels may become overwhelmed.(Citation: Twilio SMS Pumping)
View in MITRE ATT&CK®| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| PR.PS-06.01 | Secure SDLC process | Mitigates | T1496.003 | SMS Pumping |
Comments
This diagnostic statement helps provides for secure development practices, such as implementing CAPTCHA protection on forms that send messages via SMS.
References
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| PR.PS-06.07 | Development and operational process alignment | Mitigates | T1496.003 | SMS Pumping |
Comments
This diagnostic statement protects against SMS Pumping through the use of DevSecOps, secure development lifecycle, and application developer guidance. Exploitable weaknesses can be mitigated through secure code, reduced vulnerabilities, and secure design principles.
References
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| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| SC-05 | Denial-of-service Protection | mitigates | T1496.003 | SMS Pumping |
| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| action.malware.variety.Scan network | Enumerating the state of the network | related-to | T1496.003 | SMS Pumping | |
| action.hacking.variety.Hijack | To assume control over and steal functionality for an illicit purpose (e.g. Hijacking phone number intercept SMS verification codes) | related-to | T1496.003 | SMS Pumping |
| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| security_command_center | Security Command Center | technique_scores | T1496.003 | SMS Pumping |
Comments
SCC detect compromised hosts that attempt to connect to known malicious crypto-mining domains and IP addresses. Because of the near-real time temporal factor to detect against this cyber-attack the control was graded as significant.
References
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