入门

Small session in radare2 debugger

• r2 -d /bin/ls: Opens radare2 with file /bin/ls in debugger mode using the radare2 native debugger, but does not run the program. You’ll see a prompt (radare2) - all examples are from this prompt.

• db flag: place a breakpoint at flag, where flag can be either an address or a function name

• db - flag: remove the breakpoint at flag, where flag can be either an address or a function name

• db: show list of breakpoint

• dc: run the program

• dr: Show registers state

• drr: Show registers references (telescoping) (like peda)

• ds: Step into instruction

• dso: Step over instruction

• dbt: Display backtrace

• dm: Show memory maps

• dk <signal>: Send KILL signal to child

• ood: reopen in debug mode

• ood arg1 arg2: reopen in debug mode with arg1 and arg2