cyberstrikeus T1636.003 Contact List
Sub-technique of: T1636
High-Level Description
Adversaries may utilize standard operating system APIs to gather contact list data. On Android, this can be accomplished using the Contacts Content Provider. On iOS, this can be accomplished using the Contacts framework.
If the device has been jailbroken or rooted, an adversary may be able to access the Contact List without the user’s knowledge or approval.
Kill Chain Phase
- Collection (TA0035)
Platforms: Android, iOS
What to Check
- Identify if Contact List technique is applicable to target mobile environment
- Check Android devices for indicators of Contact List
- Check iOS devices for indicators of Contact List
- Verify mitigations are bypassed or absent (1 known mitigations)
- Assess detection coverage (1 detection strategies)
How to Test
Identify Attack Surface
Determine if the target mobile environment is susceptible to Contact List by examining the target platforms (Android, iOS).
Assess Existing Defenses
Review whether mitigations for T1636.003 are in place. If defenses are absent or misconfigured, this technique may be exploitable.
Remediation Guide
M1011 User Guidance
Contact list access is an uncommonly needed permission, so users should be instructed to use extra scrutiny when granting access to their contact list.
Detection
Detection of Contact List
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| Contact List technique applicable | Low | Collection |
CWE Categories
| CWE ID | Title |
|---|---|
| CWE-200 | Exposure of Sensitive Information |