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| author | WorksButNotTested <62701594+WorksButNotTested@users.noreply.github.com> | 2021-04-30 22:42:50 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-30 23:42:50 +0200 |
| commit | c6e8314446344d3a65b828feb31f627ce11ba352 (patch) | |
| tree | ab2804de57ca4aa70412ddb1aa09f5dc33d94c5d /frida_mode/src/persistent | |
| parent | 86452cc959bd4b0d5fe6e60d0eefbc7848fe38e2 (diff) | |
| download | afl++-c6e8314446344d3a65b828feb31f627ce11ba352.tar.gz | |
Support for AFL_ENTRYPOINT (#898)
Co-authored-by: Your Name <you@example.com>
Diffstat (limited to 'frida_mode/src/persistent')
| -rw-r--r-- | frida_mode/src/persistent/persistent_x64.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/frida_mode/src/persistent/persistent_x64.c b/frida_mode/src/persistent/persistent_x64.c index 5b8493b2..49f1988c 100644 --- a/frida_mode/src/persistent/persistent_x64.c +++ b/frida_mode/src/persistent/persistent_x64.c @@ -252,15 +252,20 @@ static void persistent_prologue_hook(GumX86Writer * cw, -(GUM_RED_ZONE_SIZE)); gum_x86_writer_put_mov_reg_address(cw, GUM_REG_RCX, - GUM_ADDRESS(__afl_fuzz_len)); + GUM_ADDRESS(&__afl_fuzz_len)); + gum_x86_writer_put_mov_reg_reg_offset_ptr(cw, GUM_REG_RCX, GUM_REG_RCX, 0); gum_x86_writer_put_mov_reg_reg_offset_ptr(cw, GUM_REG_RCX, GUM_REG_RCX, 0); gum_x86_writer_put_mov_reg_u64(cw, GUM_REG_RDI, 0xffffffff); gum_x86_writer_put_and_reg_reg(cw, GUM_REG_RCX, GUM_REG_RDI); + gum_x86_writer_put_mov_reg_address(cw, GUM_REG_RDX, + GUM_ADDRESS(&__afl_fuzz_ptr)); + gum_x86_writer_put_mov_reg_reg_offset_ptr(cw, GUM_REG_RDX, GUM_REG_RDX, 0); + gum_x86_writer_put_call_address_with_arguments( cw, GUM_CALL_CAPI, GUM_ADDRESS(hook), 4, GUM_ARG_ADDRESS, - GUM_ADDRESS(regs), GUM_ARG_ADDRESS, GUM_ADDRESS(0), GUM_ARG_ADDRESS, - GUM_ADDRESS(__afl_fuzz_ptr), GUM_ARG_REGISTER, GUM_REG_RCX); + GUM_ADDRESS(regs), GUM_ARG_ADDRESS, GUM_ADDRESS(0), GUM_ARG_REGISTER, + GUM_REG_RDX, GUM_ARG_REGISTER, GUM_REG_RCX); gum_x86_writer_put_lea_reg_reg_offset(cw, GUM_REG_RSP, GUM_REG_RSP, (GUM_RED_ZONE_SIZE)); |