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DMSS

Hangzhou Dong Bin Information Technology Co., Ltd. · Build 2.6.22

com.mm.android.DMSS
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Static analysis completeScanned 2026-10-09 15:56 UTC

Static checks identify review items, not a guarantee of safety.

Overview

Review needed

2 high or critical finding categories to review

DMSS (com.mm.android.DMSS) scored grade D, 48 out of 100, in a static scan of version 2.6.22 on 2026-10-09. It has 2 high or critical findings among 8 finding categories across 10 occurrences. 2 tracking SDKs are present in the package, which describes what ships, not what runs or what it sends. This is static analysis of a single build: it does not observe the app running and does not establish that any data is exposed.

Finding categories810 occurrences
High / critical2Category count
Tracking SDKs2Presence, not observed traffic
Assessment score48 / 100Grade D

Start with these findings

highFirebase Cloud Messaging legacy server key1 occurrence

Interpretation & review guidance

A Firebase Cloud Messaging legacy server key. Anyone with it can send push notifications as the app to all its users — rotate it.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
Open in all findingsRequest a correction
highHardcoded HTTP Basic-auth credentials1 occurrence

Interpretation & review guidance

Hardcoded HTTP Basic-auth credentials (a username:password pair, base64-encoded in an Authorization header) are embedded in the app. If the endpoint is live, anyone can extract and reuse them — rotate the credential and move auth server-side. Confirm it isn't a placeholder.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
Open in all findingsRequest a correction
mediumCleartext (HTTP) traffic permitted1 occurrence

Interpretation & review guidance

The manifest permits cleartext (HTTP) traffic. Data sent over plain HTTP can be read or tampered with on the network; modern apps should require HTTPS.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
Open in all findingsRequest a correction
View all 8 categories

Privacy

45 requested permissions · 8 flagged high-risk classes.

Review privacy signals →

Build & components

118 components recorded. Certificate parsing does not validate APK signature integrity.

Inspect build evidence →
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Findings

8 categories · 10 occurrences. Severity totals describe categories. Expand a finding for interpretation and review guidance.

highFirebase Cloud Messaging legacy server key1 occurrence

Interpretation & review guidance

A Firebase Cloud Messaging legacy server key. Anyone with it can send push notifications as the app to all its users — rotate it.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
res/raw/config.xml
Recorded match
•••••••• (40+ chars, redacted)
Detector rule
fcm_legacy_key
Recorded file locations
  • res/raw/config.xml
  • res/raw/config_debuging.xml
  • res/raw/config_testing.xml

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
highHardcoded HTTP Basic-auth credentials1 occurrence

Interpretation & review guidance

Hardcoded HTTP Basic-auth credentials (a username:password pair, base64-encoded in an Authorization header) are embedded in the app. If the endpoint is live, anyone can extract and reuse them — rotate the credential and move auth server-side. Confirm it isn't a placeholder.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
classes7.dex
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
basic_auth_header
Recorded file locations
  • classes7.dex

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
mediumCleartext (HTTP) traffic permitted1 occurrence

Interpretation & review guidance

The manifest permits cleartext (HTTP) traffic. Data sent over plain HTTP can be read or tampered with on the network; modern apps should require HTTPS.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Parsed app configuration
Representative location
AndroidManifest.xml
Recorded match
android:usesCleartextTraffic="true"
Detector rule
manifest
Recorded file locations
  • AndroidManifest.xml

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
mediumShort signing key (RSA 1024-bit)1 occurrence

Interpretation & review guidance

The signing key is shorter than the modern 2048-bit RSA minimum. Short keys are cryptographically weaker; a release should re-key to at least RSA-2048 (or an EC key).

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Signing metadata
Representative location
META-INF/signing:key
Recorded match
RSA-1024
Detector rule
signing
Recorded file locations
  • META-INF/signing:key

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
lowBackground location access with advertising SDKs present1 occurrence

Interpretation & review guidance

The app can access location in the background (even when closed) and also ships advertising/attribution SDKs. Background location is a heightened-scrutiny area for Google Play and privacy regulators; confirm it is essential and disclosed, and that location isn't shared with ad networks.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static privacy indicators
Representative location
pii:bgloc
Recorded match
background location + ad SDKs
Detector rule
pii
Recorded file locations
  • pii:bgloc

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
lowFirebase Storage bucket reference1 occurrence

Interpretation & review guidance

A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
res/raw/config.xml
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
firebase_storage_bucket
Recorded file locations
  • res/raw/config.xml

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
lowGoogle API key (client-shipped; restriction unverified)3 occurrences

Interpretation & review guidance

Android apps are designed to ship Google API keys in the client; Google restricts them by app signing certificate + enabled API. This is only a problem if the key is left unrestricted — presence alone is expected, not an exposure.

Evidence
3 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
AndroidManifest.xml
Recorded match
AIza•••••••• (21–40 chars, redacted)
Detector rule
google_api_key
Recorded file locations
  • AndroidManifest.xml

3 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
lowPrivate key material (third-party library artifact, shared across 3 unrelated developers)1 occurrence

Interpretation & review guidance

A complete PEM private-key block is embedded in the app. This is a real finding worth review — but it is often a bundled library test/sample key rather than a production secret, so we flag it high and leave confirmation to you (a bare header alone no longer triggers it).

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
_split_config.arm64_v8a/lib/arm64-v8a/libLCOpenApiClient.so
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
private_key
Recorded file locations
  • _split_config.arm64_v8a/lib/arm64-v8a/libLCOpenApiClient.so
  • _split_config.arm64_v8a/lib/arm64-v8a/libLCBusiness.so

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction

Privacy signals

Capabilities and bundled software do not prove that data was collected or transmitted.

Requested permissions45
Flagged high-risk classes8
Detected SDKs2

Background location Precise location Approx. location Camera Microphone Phone state Accounts Draw over other apps

Requested permission inventory (45)
  • android.permission.ACCESS_BACKGROUND_LOCATION
  • android.permission.ACCESS_COARSE_LOCATION
  • android.permission.ACCESS_FINE_LOCATION
  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.ACCESS_WIFI_STATE
  • android.permission.BLUETOOTH
  • android.permission.BLUETOOTH_ADMIN
  • android.permission.BLUETOOTH_ADVERTISE
  • android.permission.BLUETOOTH_CONNECT
  • android.permission.BLUETOOTH_SCAN
  • android.permission.CAMERA
  • android.permission.CHANGE_NETWORK_STATE
  • android.permission.CHANGE_WIFI_STATE
  • android.permission.DISABLE_KEYGUARD
  • android.permission.FLASHLIGHT
  • android.permission.FOREGROUND_SERVICE
  • android.permission.GET_ACCOUNTS
  • android.permission.INTERNET
  • android.permission.MODIFY_AUDIO_SETTINGS
  • android.permission.MOUNT_UNMOUNT_FILESYSTEMS
  • android.permission.NEARBY_WIFI_DEVICES
  • android.permission.POST_NOTIFICATIONS
  • android.permission.READ_MEDIA_AUDIO
  • android.permission.READ_MEDIA_IMAGES
  • android.permission.READ_MEDIA_VIDEO
  • android.permission.READ_MEDIA_VISUAL_USER_SELECTED
  • android.permission.READ_PHONE_STATE
  • android.permission.RECEIVE_BOOT_COMPLETED
  • android.permission.RECORD_AUDIO
  • android.permission.REORDER_TASKS
  • android.permission.SYSTEM_ALERT_WINDOW
  • android.permission.USE_BIOMETRIC
  • android.permission.USE_FINGERPRINT
  • android.permission.VIBRATE
  • android.permission.WAKE_LOCK
  • android.permission.WRITE_MEDIA_STORAGE
  • android.permission.WRITE_SETTINGS
  • com.android.alarm.permission.SET_ALARM
  • com.android.vending.BILLING
  • com.google.android.c2dm.permission.RECEIVE
  • com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
  • com.google.android.gms.permission.AD_ID
  • com.mm.android.DMSS.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
  • com.mm.android.DMSS.permission.PROCESS_PUSH_MSG
  • com.zing.zalo.permission.ACCESS_THIRD_PARTY_APP_AUTHORIZATION

Data collection & flow (privacy signal, not part of the grade)

Data the app can access
Camera
Camera
Location
Approximate locationPrecise locationBackground location
Microphone
Microphone
Personal info
Device accounts
Phone
Phone state / number
Photos & files
PhotosAudio filesVideosStorageStorage (write)
Persistent identifiers (referenced in code)
Advertising ID (AAID)Android IDDevice ID / IMEISIM serialHardware MAC address
Where it can go
Third parties present (2)
Google AdMobMeta / Facebook SDK
  • Approximate location, Precise location, Background location requested while 1 ad/attribution SDK(s) are present (Google AdMob) — location commonly feeds ad targeting.
  • Persistent-identifier APIs referenced in code (Advertising ID (AAID), Android ID, Device ID / IMEI +2 more) with 2 analytics/ad SDK(s) present — the mechanism used for cross-app profiling.
  • Camera, Microphone, Personal info, Phone, Photos & files data requested with third-party analytics/ad SDKs present.

This maps what the app can access (permissions it requests, identifier APIs its code references) to the third parties bundled in it. It reflects capability and SDK presence — not proof that a specific value was transmitted.

Data Safety comparison not recorded.

Trackers & SDKs (2 detected · privacy signal, not part of the grade)

Advertising
Google AdMob
Analytics
Meta / Facebook SDK

Build & components

Scanned build 2.6.22. Store metadata may describe a newer release.

APK SHA-2564b3578ec3b61dbbf5bcf1cf51e018ba0b76bb4ae1196f1abbc7e1e638168f2e4

Signing certificate (who signed this build — factual, not part of the grade)

Signer
DahuaTech self-signed
Scheme
V3V2
Key
RSA 1024-bit
Algorithm
sha1WithRSA
Validity
2011-11-16 → 2061-11-03
Cert SHA-256
7a:7d:89:bc:2c:da:b8:23:0f:a3:dc:5c:9d:1f:aa:f0:01:4a:f8:64:d5:75:ed:7a:ff:77:4c:71:78:89:9e:af

The certificate fingerprint identifies the parsed signing certificate. Knowing this public fingerprint does not establish ownership or validate the APK signature.

Signature integrity: not established by certificate parsing.

Component inventory

118 components. Advisory matching covers a curated set; no match is not proof that a component is vulnerability-free.

Bundled components and recorded advisory matches
ComponentVersionAdvisory matches
androidx.activity:activity1.9.3None recorded
androidx.activity:activity-compose1.9.3None recorded
androidx.activity:activity-ktx1.9.3None recorded
androidx.annotation:annotation-experimental1.4.1None recorded
androidx.appcompat:appcompat1.6.1None recorded
androidx.appcompat:appcompat-resources1.6.1None recorded
androidx.asynclayoutinflater:asynclayoutinflater1.0.0None recorded
androidx.autofill:autofill1.0.0None recorded
androidx.biometric:biometric1.2.0-alpha04None recorded
androidx.camera:camera-camera21.4.2None recorded
androidx.camera:camera-core1.4.2None recorded
androidx.camera:camera-extensions1.4.2None recorded
androidx.camera:camera-lifecycle1.4.2None recorded
androidx.camera:camera-video1.4.2None recorded
androidx.camera:camera-view1.4.2None recorded
androidx.cardview:cardview1.0.0None recorded
androidx.compose.animation:animation1.7.2None recorded
androidx.compose.animation:animation-core1.7.2None recorded
androidx.compose.animation:animation-graphics1.7.2None recorded
androidx.compose.foundation:foundation1.7.2None recorded
androidx.compose.foundation:foundation-layout1.7.2None recorded
androidx.compose.material3:material31.2.0None recorded
androidx.compose.material:material1.6.1None recorded
androidx.compose.material:material-icons-core1.6.1None recorded
androidx.compose.material:material-ripple1.6.1None recorded
androidx.compose.runtime:runtime1.7.2None recorded
androidx.compose.runtime:runtime-saveable1.7.2None recorded
androidx.compose.ui:ui1.7.2None recorded
androidx.compose.ui:ui-geometry1.7.2None recorded
androidx.compose.ui:ui-graphics1.7.2None recorded
androidx.compose.ui:ui-text1.7.2None recorded
androidx.compose.ui:ui-tooling-preview1.7.2None recorded
androidx.compose.ui:ui-unit1.7.2None recorded
androidx.compose.ui:ui-util1.7.2None recorded
androidx.coordinatorlayout:coordinatorlayout1.1.0None recorded
androidx.core:core1.13.1None recorded
androidx.core:core-ktx1.13.1None recorded
androidx.core:core-remoteviews1.1.0None recorded
androidx.cursoradapter:cursoradapter1.0.0None recorded
androidx.customview:customview1.1.0None recorded
androidx.customview:customview-poolingcontainer1.0.0None recorded
androidx.databinding:baseAdapters8.5.1None recorded
androidx.databinding:databindingKtx8.5.1None recorded
androidx.databinding:library8.5.1None recorded
androidx.databinding:viewbinding8.5.1None recorded
androidx.datastore:datastore1.0.0None recorded
androidx.datastore:datastore-preferences1.0.0None recorded
androidx.documentfile:documentfile1.0.0None recorded
androidx.drawerlayout:drawerlayout1.1.1None recorded
androidx.dynamicanimation:dynamicanimation1.0.0None recorded
androidx.emoji2:emoji21.3.0None recorded
androidx.emoji2:emoji2-views-helper1.3.0None recorded
androidx.exifinterface:exifinterface1.3.6None recorded
androidx.fragment:fragment1.6.2None recorded
androidx.fragment:fragment-ktx1.6.2None recorded
androidx.glance:glance1.1.0None recorded
androidx.glance:glance-appwidget1.1.0None recorded
androidx.glance:glance-material31.1.0None recorded
androidx.graphics:graphics-path1.0.1None recorded
androidx.heifwriter:heifwriter1.0.0None recorded
androidx.interpolator:interpolator1.0.0None recorded
androidx.legacy:legacy-support-core-ui1.0.0None recorded
androidx.legacy:legacy-support-core-utils1.0.0None recorded
androidx.legacy:legacy-support-v41.0.0None recorded
androidx.lifecycle:lifecycle-livedata2.8.3None recorded
androidx.lifecycle:lifecycle-livedata-core2.8.3None recorded
androidx.lifecycle:lifecycle-livedata-core-ktx2.8.3None recorded
androidx.lifecycle:lifecycle-livedata-ktx2.8.3None recorded
androidx.lifecycle:lifecycle-process2.8.3None recorded
androidx.lifecycle:lifecycle-runtime2.8.3None recorded
androidx.lifecycle:lifecycle-runtime-compose2.8.3None recorded
androidx.lifecycle:lifecycle-runtime-ktx2.8.3None recorded
androidx.lifecycle:lifecycle-service2.8.3None recorded
androidx.lifecycle:lifecycle-viewmodel2.8.3None recorded
androidx.lifecycle:lifecycle-viewmodel-compose2.8.3None recorded
androidx.lifecycle:lifecycle-viewmodel-ktx2.8.3None recorded
androidx.lifecycle:lifecycle-viewmodel-savedstate2.8.3None recorded
androidx.loader:loader1.0.0None recorded
androidx.localbroadcastmanager:localbroadcastmanager1.0.0None recorded
androidx.media:media1.0.0None recorded
androidx.navigation:navigation-common2.8.9None recorded
androidx.navigation:navigation-common-ktx2.8.9None recorded
androidx.navigation:navigation-compose2.8.9None recorded
androidx.navigation:navigation-fragment2.8.9None recorded
androidx.navigation:navigation-fragment-ktx2.8.9None recorded
androidx.navigation:navigation-runtime2.8.9None recorded
androidx.navigation:navigation-runtime-ktx2.8.9None recorded
androidx.navigation:navigation-ui2.8.9None recorded
androidx.navigation:navigation-ui-ktx2.8.9None recorded
androidx.print:print1.0.0None recorded
androidx.profileinstaller:profileinstaller1.3.1None recorded
androidx.recyclerview:recyclerview1.2.1None recorded
androidx.room:room-ktx2.5.0None recorded
androidx.room:room-runtime2.5.0None recorded
androidx.savedstate:savedstate1.2.1None recorded
androidx.savedstate:savedstate-ktx1.2.1None recorded
androidx.slidingpanelayout:slidingpanelayout1.2.0None recorded
androidx.sqlite:sqlite2.3.0None recorded
androidx.sqlite:sqlite-framework2.3.0None recorded
androidx.startup:startup-runtime1.1.1None recorded
androidx.swiperefreshlayout:swiperefreshlayout1.0.0None recorded
androidx.tracing:tracing1.2.0None recorded
androidx.tracing:tracing-ktx1.2.0None recorded
androidx.transition:transition1.4.1None recorded
androidx.vectordrawable:vectordrawable1.1.0None recorded
androidx.vectordrawable:vectordrawable-animated1.1.0None recorded
androidx.versionedparcelable:versionedparcelable1.1.1None recorded
androidx.viewpager2:viewpager21.0.0None recorded
androidx.viewpager:viewpager1.0.0None recorded
androidx.webkit:webkit1.11.0None recorded
androidx.window:window1.0.0None recorded
androidx.window:window-java1.0.0-beta04None recorded
androidx.work:work-runtime2.9.0None recorded
androidx.work:work-runtime-ktx2.9.0None recorded
com.google.android.material:material1.8.0None recorded
com.squareup.okhttp3:okhttp4.12.0None recorded
kotlinx:coroutines_android1.7.3None recorded
kotlinx:coroutines_core1.7.3None recorded
Export SBOM
About this app · store information

About this app

DMSS - Intuitive AIoT App for Individual Security

Content ratingEveryone
Download size376.1 MB
Privacy policyPublished →

Screenshots

App screenshotApp screenshotApp screenshotApp screenshotApp screenshot

Scan history

Each row is an observed scan. Gaps between scans do not establish how long a finding existed.

Scanned (UTC)BuildScoreGrade
2026-10-09 15:56 UTC2.6.2248D
2026-10-02 14:12 UTC2.6.2248D
2026-09-11 01:24 UTC2.6.20Not gradedNot graded

View changes between the last two scans →

Export & share

Exports describe the recorded assessment. Signed evidence proves origin and integrity, not completeness or safety.

SARIFFindings CSVCoverage JSONSigned evidenceSBOM

Coverage & gap matrix · Verify signed evidence

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