# Passwords ### Recognize the passwords used. ``` if the hash starts by $1$, MD5 is used; if the hash starts by $2$ or $2a$, Blowfish is used; if the hash starts by $5$, SHA-256 is used; if the hash starts by $6$, SHA-512 is used. ``` #### Search for Hashes under kali. ``` hashcat --example-hashes ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://ed4m4s.blog/password-attacks/passwords.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.