diff options
Diffstat (limited to 'frida_mode/test/png/persistent')
-rw-r--r-- | frida_mode/test/png/persistent/hook/cmodule.js | 39 | ||||
-rw-r--r-- | frida_mode/test/png/persistent/hook/load.js | 27 |
2 files changed, 66 insertions, 0 deletions
diff --git a/frida_mode/test/png/persistent/hook/cmodule.js b/frida_mode/test/png/persistent/hook/cmodule.js new file mode 100644 index 00000000..ab8bdc66 --- /dev/null +++ b/frida_mode/test/png/persistent/hook/cmodule.js @@ -0,0 +1,39 @@ +Afl.print('******************'); +Afl.print('* AFL FRIDA MODE *'); +Afl.print('******************'); +Afl.print(''); + +Afl.print(`PID: ${Process.id}`); + +const name = Process.enumerateModules()[0].name; +Afl.print(`Name: ${name}`); + +new ModuleMap().values().forEach(m => { + Afl.print(`${m.base}-${m.base.add(m.size)} ${m.name}`); +}); + +const persistent_addr = DebugSymbol.fromName('LLVMFuzzerTestOneInput').address; +Afl.print(`persistent_addr: ${persistent_addr}`); +Afl.setEntryPoint(persistent_addr); +Afl.setPersistentAddress(persistent_addr); + +const cm = new CModule(` + + #include <string.h> + #include <gum/gumdefs.h> + + void afl_persistent_hook(GumCpuContext *regs, uint8_t *input_buf, + uint32_t input_buf_len) { + + memcpy((void *)regs->rdi, input_buf, input_buf_len); + regs->rsi = input_buf_len; + + } + `, + { + memcpy: Module.getExportByName(null, 'memcpy') + }); +Afl.setPersistentHook(cm.afl_persistent_hook); + +Afl.print("done"); +Afl.done(); diff --git a/frida_mode/test/png/persistent/hook/load.js b/frida_mode/test/png/persistent/hook/load.js new file mode 100644 index 00000000..ea4d28c3 --- /dev/null +++ b/frida_mode/test/png/persistent/hook/load.js @@ -0,0 +1,27 @@ +Afl.print('******************'); +Afl.print('* AFL FRIDA MODE *'); +Afl.print('******************'); +Afl.print(''); + +Afl.print(`PID: ${Process.id}`); + +const name = Process.enumerateModules()[0].name; +Afl.print(`Name: ${name}`); + +new ModuleMap().values().forEach(m => { + Afl.print(`${m.base}-${m.base.add(m.size)} ${m.name}`); +}); + +const persistent_addr = DebugSymbol.fromName('LLVMFuzzerTestOneInput').address; +Afl.print(`persistent_addr: ${persistent_addr}`); +Afl.setEntryPoint(persistent_addr); +Afl.setPersistentAddress(persistent_addr); + +const path = Afl.module.path; +const dir = path.substring(0, path.lastIndexOf("/")); +const mod = Module.load(`${dir}/frida_mode/build/frida_hook.so`); +const hook = mod.getExportByName('afl_persistent_hook'); +Afl.setPersistentHook(hook); + +Afl.print("done"); +Afl.done(); |