Force stack alignment

2020-08-14 01:16:20 +03:00 · 2020-08-14 01:16:20 +03:00 · 5877c79538
parent f043e4b9b4
commit 5877c79538
1 changed files with 4 additions and 2 deletions
--- a/lib/msf/core/exe/segment_injector.rb
+++ b/lib/msf/core/exe/segment_injector.rb
@ -58,6 +58,9 @@ module Exe

    def create_thread_stub_x64
      <<-EOS
+        push rbp
+        mov rbp, rsp
+        and rsp, FFFFFFFFFFFFFFF0h
        sub rsp, 38h

        mov rcx, hook_libname
@ -77,8 +80,7 @@ module Exe
        mov rdx, rcx
        call rax

-        add rsp, 38h
-
+        leave
        jmp entrypoint

        hook_libname db 'kernel32', 0