> For the complete documentation index, see [llms.txt](https://riteshs4hu.gitbook.io/infosec-notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://riteshs4hu.gitbook.io/infosec-notes/android-appsec/static-analysis.md). # Static Analysis ## **What is Static Analysis?** Static analysis is the process of examining an Android application's source code, resources, and configurations without executing the application. Imagine you’re a detective inspecting a building’s blueprint instead of walking through it. **Static analysis** is like examining an Android app’s "blueprint" (its code, resources, and configurations) *without actually running the app*. You’re looking for security flaws by studying how the app is built, rather than how it behaves when used. ### Key Areas to Assess in Static Analysis * **Code Obfuscation:** Determine whether the application's code has been obfuscated to enhance resistance against **reverse engineering**, making it harder for attackers to analyze and exploit. * **Hardcoded Credentials:** Identify sensitive information, such as **usernames, passwords, API keys,** or **encryption keys**, embedded within the source code. * **Third-Party Libraries:** Review the usage of **external libraries** to ensure they are **up-to-date** and do not contain **known vulnerabilities.** The analysis audits dependencies for known vulnerabilities (e.g., using databases like CVE or NVD) and verifies that libraries are updated to patched versions. * **Permissions:** Review the permissions declared in the `AndroidManifest.xml`File to ensure they align with the application's functionality, avoiding excessive or unnecessary permissions that could lead to unauthorized access to sensitive data. * **Root Detection:** Identify and analyze the effectiveness of any root detection mechanisms implemented to prevent the application from running on compromised devices. * **SSL Pinning:** Verify the implementation of SSL pinning to mitigate risks associated with man-in-the-middle (MITM) attacks by ensuring secure communication between the application and its servers. * **Cryptography:** Review the cryptographic mechanisms within the application. Ensure that encryption algorithms are implemented correctly, and that **weak encryption methods** or **insecure cryptographic algorithms.** ####