From e25228287ba5d00db3775ba2cf3653c26959b5ae Mon Sep 17 00:00:00 2001 From: Joseph Goydish II Date: Tue, 23 Sep 2025 00:34:59 -0400 Subject: [PATCH] Update Technical Write Up.md --- Technical Write Up.md | 104 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 98 insertions(+), 6 deletions(-) diff --git a/Technical Write Up.md b/Technical Write Up.md index c1ba6e1..1532540 100644 --- a/Technical Write Up.md +++ b/Technical Write Up.md @@ -66,10 +66,102 @@ Key observations from the server response:   - `CommCenter` modem/network configurations   - Profiles/configs applied post-activation without user or MDM actions. -### Safe Triage Commands -```bash -# Search response captures for certificate blocks -grep -R "-----BEGIN CERTIFICATE-----" /path/to/response_captures/ +--- -# Look for humbug headers in activation logs -grep -i "HUMBUG_XHEADER_STATUS" /var/log/mobileactivationd* +## Suspicious Domains from Modified Plist + +Analysis of a tampered provisioning `.plist` file revealed spoofed domain entries under the `CriticalDomains` key: + + + +- `cheeserolling.apple.com`   + +- `woolyjumper.sd.apple.com`   + +- `basejumper.apple.com`   + +- `basejumper-vip.sd.apple.com`   + +- `basejumper.sd.apple.com`   + +- `locksmith.apple.com`   + +- `gdmf-staging-int.apple.com`   + +- `pallas-uat.rno.apple.com`   + +- `pr2-pallas-staging-int-prz.apple.com`   + +- `livability-api.swe.apple.com`   + +- `wkms.sd.apple.com`   + +- `wkms-uat.sd.apple.com`   + +- `knox.sd.apple.com`   + + + +--- + + + +## DNS / Resolution Context + +During investigation, several of these domains were tested for resolution. Results indicate they are **non-functional or suspicious**: + + + +- **`basejumper.apple.com`**   + +  - No A/AAAA/CNAME records found (per Cloudflare DNS lookup).   + +  - Only an SPF-related TXT record was returned, valid for 1 hour.   + +  - ➝ Suggests a placeholder/non-routable domain, not an active Apple service. + + + +- **`locksmith.apple.com`**   + +  - Could not be resolved (`HTTP Connect` failure, no DNS resolution).   + +  - ➝ Appears unused or intentionally absent from DNS. + + + +- **`cheeserolling.apple.com`**   + +  - Could not be resolved (`HTTP Connect` failure, no DNS resolution).   + +  - ➝ Likely a fake or internal-only test entry, not routable externally. + + + +Other entries (e.g., `pallas-uat`, `wkms`, `knox`) were not resolved during this check but follow similar suspicious naming conventions, hinting at either **staging/internal use only** or **fabricated values for tampered plist injection**. + + + +--- + + + +## Contextual Interpretation + +- These spoofed or non-resolving domains **should not normally appear** in device provisioning flows.   + +- Their presence indicates the plist was **modified to insert unauthorized endpoints**, expanding the potential attack surface.   + +- Even if non-routable externally, such injected domains could be abused in **enterprise or captive environments** where DNS is controlled.   + +- This reinforces the risk: unauthenticated plist injection allows attackers to redefine “critical domains” in the activation workflow.   + + + +--- + + + +## Conclusion + +The vulnerability in Apple’s activation backend, coupled with evidence of tampered plist files containing suspicious/unresolvable domains, demonstrates the feasibility of **pre-activation trust boundary manipulation**. Attackers could exploit this weakness to silently alter provisioning logic, introduce rogue network policies, and undermine enterprise security controls before the device reaches the user