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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
1.7 KiB
1.7 KiB
API Reference: Detecting Mobile Malware Behavior
Android Dangerous Permissions
| Permission | Risk | Abuse Scenario |
|---|---|---|
| SEND_SMS | HIGH | Premium rate SMS fraud |
| READ_SMS | HIGH | OTP/2FA theft |
| BIND_ACCESSIBILITY_SERVICE | CRITICAL | Screen scraping, keylogging |
| BIND_DEVICE_ADMIN | CRITICAL | Device lockout, ransomware |
| INSTALL_PACKAGES | CRITICAL | Dropper functionality |
| SYSTEM_ALERT_WINDOW | HIGH | Overlay phishing attacks |
Android Analysis Tools
# Extract permissions from APK
aapt dump permissions app.apk
# Decompile APK
apktool d app.apk -o output_dir/
# Decompile to Java source
jadx app.apk -d java_output/
# Run MobSF scan
docker run -p 8000:8000 opensecurity/mobile-security-framework-mobsf
Suspicious API Patterns
# Dynamic code loading
r"DexClassLoader|PathClassLoader"
# Shell execution
r"Runtime\.exec|ProcessBuilder"
# Device fingerprinting
r"TelephonyManager\.getDeviceId"
MobSF REST API
import requests
# Upload APK
resp = requests.post("http://localhost:8000/api/v1/upload",
files={"file": open("app.apk", "rb")},
headers={"Authorization": API_KEY})
# Get scan results
resp = requests.post("http://localhost:8000/api/v1/scan",
data={"hash": file_hash},
headers={"Authorization": API_KEY})
Android Broadcast Receivers (Persistence)
| Action | Malware Use |
|---|---|
| BOOT_COMPLETED | Auto-start on reboot |
| SMS_RECEIVED | SMS interception |
| PHONE_STATE | Call monitoring |
| CONNECTIVITY_CHANGE | Network-triggered C2 |
CLI Usage
python agent.py --apk suspicious.apk
python agent.py --source-dir jadx_output/
python agent.py --apk app.apk --source-dir decompiled/