rev/bit_o_asm4

2026-07-01 23:21:26 +09:00
parent 220e517da8
commit db31455d26
2 changed files with 23 additions and 0 deletions
@@ -0,0 +1,14 @@
+<+0>:     endbr64 
+<+4>:     push   rbp
+<+5>:     mov    rbp,rsp
+<+8>:     mov    DWORD PTR [rbp-0x14],edi
+<+11>:    mov    QWORD PTR [rbp-0x20],rsi
+<+15>:    mov    DWORD PTR [rbp-0x4],0x9fe1a
+<+22>:    cmp    DWORD PTR [rbp-0x4],0x2710
+<+29>:    jle    0x55555555514e <main+37>
+<+31>:    sub    DWORD PTR [rbp-0x4],0x65
+<+35>:    jmp    0x555555555152 <main+41>
+<+37>:    add    DWORD PTR [rbp-0x4],0x65
+<+41>:    mov    eax,DWORD PTR [rbp-0x4]
+<+44>:    pop    rbp
+<+45>:    ret
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+RBP_0X4="$((16#9fe1a))"
+
+if [ "$RBP_0X4" -le "$((16#2710))" ]; then
+  echo "picoCTF{$(("$RBP_0X4" + 16#65))}"
+else
+  echo "picoCTF{$(("$RBP_0X4" - 16#65))}"
+fi