From c85e0dc4f0e0a6deedfb7318292e1939503a10c2 Mon Sep 17 00:00:00 2001 From: llzmb <46303940+llzmb@users.noreply.github.com> Date: Thu, 2 Dec 2021 20:37:21 +0100 Subject: Remove the word "we" --- unicorn_mode/samples/c/COMPILE.md | 2 +- unicorn_mode/samples/persistent/COMPILE.md | 4 ++-- unicorn_mode/samples/speedtest/README.md | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) (limited to 'unicorn_mode/samples') diff --git a/unicorn_mode/samples/c/COMPILE.md b/unicorn_mode/samples/c/COMPILE.md index 7da140f7..4e3cf568 100644 --- a/unicorn_mode/samples/c/COMPILE.md +++ b/unicorn_mode/samples/c/COMPILE.md @@ -19,4 +19,4 @@ was built in case you want to rebuild it or recompile it for any reason. The pre-built binary (persistent_target_x86_64) was built using -g -O0 in gcc. -We then load the binary and execute the main function directly. +Then load the binary and execute the main function directly. diff --git a/unicorn_mode/samples/persistent/COMPILE.md b/unicorn_mode/samples/persistent/COMPILE.md index 9f2ae718..5e607aef 100644 --- a/unicorn_mode/samples/persistent/COMPILE.md +++ b/unicorn_mode/samples/persistent/COMPILE.md @@ -3,7 +3,7 @@ This shows a simple persistent harness for unicornafl in C. In contrast to the normal c harness, this harness manually resets the unicorn state on each new input. -Thanks to this, we can rerun the test case in unicorn multiple times, without +Thanks to this, you can rerun the test case in unicorn multiple times, without the need to fork again. ## Compiling sample.c @@ -25,4 +25,4 @@ was built in case you want to rebuild it or recompile it for any reason. The pre-built binary (persistent_target_x86_64.bin) was built using -g -O0 in gcc. -We then load the binary and we execute the main function directly. \ No newline at end of file +Then load the binary and execute the main function directly. \ No newline at end of file diff --git a/unicorn_mode/samples/speedtest/README.md b/unicorn_mode/samples/speedtest/README.md index 3c1184a2..496d75cd 100644 --- a/unicorn_mode/samples/speedtest/README.md +++ b/unicorn_mode/samples/speedtest/README.md @@ -44,7 +44,7 @@ was built in case you want to rebuild it or recompile it for any reason. The pre-built binary (simple_target_x86_64.bin) was built using -g -O0 in gcc. -We then load the binary and execute the main function directly. +Then load the binary and execute the main function directly. ## Addresses for the harness: To find the address (in hex) of main, run: -- cgit v1.2.3 From 3506077fd6f250f3c080b58ea3bae117c3b122da Mon Sep 17 00:00:00 2001 From: llzmb <46303940+llzmb@users.noreply.github.com> Date: Sat, 4 Dec 2021 22:28:05 +0100 Subject: Add missing blank lines and remove double blank lines --- unicorn_mode/samples/c/COMPILE.md | 1 + unicorn_mode/samples/speedtest/README.md | 13 ++++++++++--- 2 files changed, 11 insertions(+), 3 deletions(-) (limited to 'unicorn_mode/samples') diff --git a/unicorn_mode/samples/c/COMPILE.md b/unicorn_mode/samples/c/COMPILE.md index 4e3cf568..e5265071 100644 --- a/unicorn_mode/samples/c/COMPILE.md +++ b/unicorn_mode/samples/c/COMPILE.md @@ -6,6 +6,7 @@ This shows a simple harness for unicornafl in C The target can be built using the `make` command. Just make sure you have built unicorn support first: + ```bash cd /path/to/afl/unicorn_mode ./build_unicorn_support.sh diff --git a/unicorn_mode/samples/speedtest/README.md b/unicorn_mode/samples/speedtest/README.md index 496d75cd..bd5ba8d0 100644 --- a/unicorn_mode/samples/speedtest/README.md +++ b/unicorn_mode/samples/speedtest/README.md @@ -35,7 +35,6 @@ cd python TODO: add results here. - ## Compiling speedtest_target.c You shouldn't need to compile simple_target.c since a X86_64 binary version is @@ -46,20 +45,28 @@ The pre-built binary (simple_target_x86_64.bin) was built using -g -O0 in gcc. Then load the binary and execute the main function directly. -## Addresses for the harness: +## Addresses for the harness + To find the address (in hex) of main, run: + ```bash objdump -M intel -D target | grep '
:' | cut -d" " -f1 ``` + To find all call sites to magicfn, run: + ```bash objdump -M intel -D target | grep '$' | cut -d":" -f1 ``` + For malloc callsites: + ```bash objdump -M intel -D target | grep '$' | cut -d":" -f1 ``` + And free callsites: + ```bash objdump -M intel -D target | grep '$' | cut -d":" -f1 -``` +``` \ No newline at end of file -- cgit v1.2.3