我正在尝试撤消动态链接库，但是遇到了问题。自动分析永远不会完成，产生错误“ sp-analysis failed”。我对反转还很陌生，但是我在这里发现了类似的线程，这些线程说启用堆栈指针并将正值更改为负值，但是我的值已经为负值，所以我不认为这是问题所在。我还看到子例程可能需要将“结束地址”手动设置为retn指令，因此我试图将子例程的结束地址更改为retn address + 1，即0x1800144FA。发生更改，但结束地址立即更改回原始地址。此后，我试图取消整个子程序的定义，但它仍然继续一遍又一遍地分析相同的地址。
.text:0000000180014360
.text:0000000180014360 ; Attributes: bp-based frame fpd=30h
.text:0000000180014360
.text:0000000180014360 sub_180014360 proc near ; CODE XREF: sub_180013A30+10C↑p
.text:0000000180014360 ; sub_180016F10+6C0↓p
.text:0000000180014360
.text:0000000180014360 var_50 = qword ptr -50h
.text:0000000180014360 var_40 = qword ptr -40h
.text:0000000180014360 var_38 = qword ptr -38h
.text:0000000180014360 arg_10 = qword ptr 20h
.text:0000000180014360
.text:0000000180014360 000 push rbp
.text:0000000180014361 008 push r15
.text:0000000180014363 010 push r14
.text:0000000180014365 018 push r12
.text:0000000180014367 020 push rsi
.text:0000000180014368 028 push rdi
.text:0000000180014369 030 push rbx
.text:000000018001436A 038 sub rsp, 40h ; Integer Subtraction
.text:000000018001436E 078 lea rbp, [rsp+40h] ; Load Effective Address
.text:0000000180014373 078 mov [rbp+30h+var_38], 0FFFFFFFFFFFFFFFEh
.text:000000018001437B 078 mov r14, r8
.text:000000018001437E 078 mov r15, rdx
.text:0000000180014381 078 mov rsi, rcx
.text:0000000180014384 078 movaps xmm0, cs:xmmword_180420B10 ; Move Aligned Four Packed Single-FP
.text:000000018001438B 078 movups xmmword ptr [rcx+10h], xmm0 ; Move Unaligned Four Packed Single-FP
.text:000000018001438F 078 mov byte ptr [rcx], 0
.text:0000000180014392 078 mov rcx, rdx
.text:0000000180014395 078 call strlen ; Call Procedure
.text:000000018001439A 078 add rax, [r14+10h] ; Add
.text:000000018001439E 078 mov edi, 0Fh
.text:00000001800143A3 078 cmp rax, 10h ; Compare Two Operands
.text:00000001800143A7 078 mov [rbp+30h+var_40], rsi
.text:00000001800143AB 078 jb short loc_1800143C8 ; Jump if Below (CF=1)
.text:00000001800143AB ; ---------------------------------------------------------------------------
.text:00000001800143AD 078 db 48h ; H
.text:00000001800143AE ; ---------------------------------------------------------------------------
.text:00000001800143AE 078 mov ecx, esi
.text:00000001800143B0 078 mov rdx, rax
.text:00000001800143B3 078 call sub_180014670 ; Call Procedure
.text:00000001800143B8 078 mov rsi, [rbp+30h+var_40]
.text:00000001800143BC 078 mov qword ptr [rsi+10h], 0
.text:00000001800143C4 078 mov rdi, [rsi+18h]
.text:00000001800143C8
.text:00000001800143C8 loc_1800143C8: ; CODE XREF: sub_180014360+4B↑j
.text:00000001800143C8 078 mov rcx, r15
.text:00000001800143CB 078 call strlen ; Call Procedure
.text:00000001800143D0 078 mov rbx, rax
.text:00000001800143D3 078 cmp rdi, rax ; Compare Two Operands
.text:00000001800143D6 078 jnb short near ptr loc_1800143EC+1 ; Jump if Not Below (CF=0)
.text:00000001800143D8 078 mov [rsp+70h+var_50], rbx
.text:00000001800143DD 078 mov rcx, rsi
.text:00000001800143E0 078 mov rdx, rbx
.text:00000001800143E3 078 mov r9, r15
.text:00000001800143E6 078 call sub_180014030 ; Call Procedure
.text:00000001800143E6 ; ---------------------------------------------------------------------------
.text:00000001800143EB 078 db 0EBh ; ë
.text:00000001800143EC ; ---------------------------------------------------------------------------
.text:00000001800143EC
.text:00000001800143EC loc_1800143EC: ; CODE XREF: sub_180014360+76↑j
.text:00000001800143EC 078 and ecx, [rax-77h] ; Logical AND
.text:00000001800143EF 078 pop rsi
.text:00000001800143F0 070 adc [rcx-77h], cl ; Add with Carry
.text:00000001800143F3 070 hlt ; Halt
.text:00000001800143F3 ; ---------------------------------------------------------------------------
.text:00000001800143F4 070 db 48h ; H
.text:00000001800143F5 070 db 83h ; ƒ
.text:00000001800143F6 070 db 0FFh ; ÿ
.text:00000001800143F7 070 db 0Fh
.text:00000001800143F8 070 db 76h ; v
.text:00000001800143F9 070 db 3
.text:00000001800143FA 070 db 4Ch ; L
.text:00000001800143FB 070 db 8Bh ; ‹
.text:00000001800143FC 070 db 26h ; &
.text:00000001800143FD 070 db 4Ch ; L
.text:00000001800143FE 070 db 89h ; ‰
.text:00000001800143FF 070 db 0E1h ; á
.text:0000000180014400 070 db 4Ch ; L
.text:0000000180014401 070 db 89h ; ‰
.text:0000000180014402 070 db 0FAh ; ú
.text:0000000180014403 070 db 49h ; I
.text:0000000180014404 070 db 89h ; ‰
.text:0000000180014405 070 db 0D8h ; Ø
.text:0000000180014406 070 db 0E8h ; è
.text:0000000180014407 070 db 55h ; U
.text:0000000180014408 070 db 6Bh ; k
.text:0000000180014409 070 db 40h ; @
.text:000000018001440A 070 db 0
.text:000000018001440B 070 db 41h ; A
.text:000000018001440C 070 db 0C6h ; Æ
.text:000000018001440D 070 db 4
.text:000000018001440E 070 db 1Ch
.text:000000018001440F 070 db 0
.text:0000000180014410 070 db 4Dh ; M
.text:0000000180014411 070 db 8Bh ; ‹
.text:0000000180014412 070 db 46h ; F
.text:0000000180014413 070 db 10h
.text:0000000180014414 070 db 49h ; I
.text:0000000180014415 070 db 83h ; ƒ
.text:0000000180014416 070 db 7Eh ; ~
.text:0000000180014417 070 db 18h
.text:0000000180014418 070 db 0Fh
.text:0000000180014419 070 db 76h ; v
.text:000000018001441A 070 db 3
.text:000000018001441B 070 db 4Dh ; M
.text:000000018001441C 070 db 8Bh ; ‹
.text:000000018001441D 070 db 36h ; 6
.text:000000018001441E 070 db 48h ; H
.text:000000018001441F 070 db 8Bh ; ‹
.text:0000000180014420 070 db 7Dh ; }
.text:0000000180014421 070 db 0F0h ; ð
.text:0000000180014422 070 db 48h ; H
.text:0000000180014423 070 db 8Bh ; ‹
.text:0000000180014424 070 db 4Fh ; O
.text:0000000180014425 070 db 10h
.text:0000000180014426 070 db 48h ; H
.text:0000000180014427 070 db 8Bh ; ‹
.text:0000000180014428 070 db 47h ; G
.text:0000000180014429 070 db 18h
.text:000000018001442A 070 db 48h ; H
.text:000000018001442B 070 db 89h ; ‰
.text:000000018001442C 070 db 0C2h ; Â
.text:000000018001442D 070 db 48h ; H
.text:000000018001442E 070 db 29h ; )
.text:000000018001442F 070 db 0CAh ; Ê
.text:0000000180014430 070 db 4Ch ; L
.text:0000000180014431 070 db 39h ; 9
.text:0000000180014432 070 db 0C2h ; Â
.text:0000000180014433 070 db 73h ; s
.text:0000000180014434 070 db 15h
.text:0000000180014435 070 db 4Ch ; L
.text:0000000180014436 ; ---------------------------------------------------------------------------
.text:0000000180014436 070 mov [rsp+20h], eax
.text:000000018001443A 070 mov rcx, rdi
.text:000000018001443D 070 mov rdx, r8
.text:0000000180014440 070 mov r9, r14
.text:0000000180014443 070 call sub_180014030 ; Call Procedure
.text:0000000180014443 ; ---------------------------------------------------------------------------
.text:0000000180014448 070 db 0EBh ; ë
.text:0000000180014449 ; ---------------------------------------------------------------------------
.text:0000000180014449 070 and ecx, [rdx-73h] ; Logical AND
.text:000000018001444C 070 xor al, 1 ; Logical Exclusive OR
.text:000000018001444E 070 mov [rdi+10h], rsi
.text:0000000180014452 070 mov rbx, rdi
.text:0000000180014455 070 cmp rax, 0Fh ; Compare Two Operands
.text:0000000180014459 070 jbe short loc_18001445E ; Jump if Below or Equal (CF=1 | ZF=1)
.text:000000018001445B 070 mov rbx, [rdi]
.text:000000018001445E
.text:000000018001445E loc_18001445E: ; CODE XREF: sub_180014360+F9↑j
.text:000000018001445E 070 add rcx, rbx ; Add
.text:0000000180014461 070 mov rdx, r14
.text:0000000180014464 070 call memmove ; Call Procedure
.text:0000000180014469 070 mov byte ptr [rbx+rsi], 0
.text:000000018001446D 070 mov rax, [rbp+30h+var_40]
.text:0000000180014471 070 add rsp, 40h ; Add
.text:0000000180014475 030 pop rbx
.text:0000000180014476 028 pop rdi
.text:0000000180014477 020 pop rsi
.text:0000000180014478 018 pop r12
.text:000000018001447A 010 pop r14
.text:000000018001447C 008 pop r15
.text:000000018001447E 000 pop rbp
.text:000000018001447F -08 retn ; Return Near from Procedure
.text:0000000180014480 ; ---------------------------------------------------------------------------
.text:0000000180014480
.text:0000000180014480 loc_180014480:
.text:0000000180014480 -08 mov [rsp-10h+arg_10], rdx
.text:0000000180014485 -08 push rbp
.text:0000000180014486 000 push r15
.text:0000000180014488 008 push r14
.text:000000018001448A 010 push r12
.text:000000018001448C 018 push rsi
.text:000000018001448D 020 push rdi
.text:000000018001448E 028 push rbx
.text:000000018001448F 030 sub rsp, 30h ; Integer Subtraction
.text:0000000180014493 060 lea rbp, [rdx+40h] ; Load Effective Address
.text:0000000180014497 060 mov rax, [rbp+30h+var_40]
.text:000000018001449B 060 mov rax, [rax+18h]
.text:000000018001449F 060 cmp rax, 10h ; Compare Two Operands
.text:00000001800144A3 060 jb short loc_1800144D9 ; Jump if Below (CF=1)
.text:00000001800144A5 060 mov rcx, [rbp+30h+var_40]
.text:00000001800144A9 060 mov rcx, [rcx]
.text:00000001800144AC 060 lea rdx, [rax+1] ; Load Effective Address
.text:00000001800144B0 060 cmp rdx, 1000h ; Compare Two Operands
.text:00000001800144B7 060 jb short loc_1800144D4 ; Jump if Below (CF=1)
.text:00000001800144B9 060 mov rbx, [rcx-8]
.text:00000001800144BD 060 add rcx, 0FFFFFFFFFFFFFFF8h ; Add
.text:00000001800144C1 060 sub rcx, rbx ; Integer Subtraction
.text:00000001800144C4 060 cmp rcx, 20h ; Compare Two Operands
.text:00000001800144C8 060 jnb short loc_1800144FA ; Jump if Not Below (CF=0)
.text:00000001800144CA 060 add rax, 28h ; Add
.text:00000001800144CE 060 mov rdx, rax
.text:00000001800144D1 060 mov rcx, rbx
.text:00000001800144D4
.text:00000001800144D4 loc_1800144D4: ; CODE XREF: sub_180014360+157↑j
.text:00000001800144D4 060 call j_j_free ; Call Procedure
.text:00000001800144D9
.text:00000001800144D9 loc_1800144D9: ; CODE XREF: sub_180014360+143↑j
.text:00000001800144D9 060 mov rax, [rbp+30h+var_40]
.text:00000001800144DD 060 movaps xmm0, cs:xmmword_180420B10 ; Move Aligned Four Packed Single-FP
.text:00000001800144E4 060 movups xmmword ptr [rax+10h], xmm0 ; Move Unaligned Four Packed Single-FP
.text:00000001800144E8 060 mov byte ptr [rax], 0
.text:00000001800144EB 060 add rsp, 30h ; Add
.text:00000001800144EF 030 pop rbx
.text:00000001800144F0 028 pop rdi
.text:00000001800144F1 020 pop rsi
.text:00000001800144F2 018 pop r12
.text:00000001800144F4 010 pop r14
.text:00000001800144F6 008 pop r15
.text:00000001800144F8 000 pop rbp
.text:00000001800144F9 -08 retn ; Return Near from Procedure
.text:00000001800144FA ; ---------------------------------------------------------------------------
.text:00000001800144FA
.text:00000001800144FA loc_1800144FA: ; CODE XREF: sub_180014360+168↑j
.text:00000001800144FA 060 call cs:_invalid_parameter_noinfo_noreturn ; Indirect Call Near Procedure
.text:00000001800144FA sub_180014360 endp ; sp-analysis failed
.text:00000001800144FA
.text:00000001800144FA ; ---------------------------------------------------------------------------
.text:0000000180014500 db 0CCh
.text:0000000180014501 db 0CCh ; Ì
.text:0000000180014502 db 0CCh ; Ì
.text:0000000180014503 db 0CCh ; Ì
.text:0000000180014504 db 0CCh ; Ì
.text:0000000180014505 db 0CCh ; Ì
.text:0000000180014506 db 0CCh ; Ì
.text:0000000180014507 db 0CCh ; Ì
.text:0000000180014508 db 0CCh ; Ì
.text:0000000180014509 db 0CCh ; Ì
.text:000000018001450A db 0CCh ; Ì
.text:000000018001450B db 0CCh ; Ì
.text:000000018001450C db 0CCh ; Ì
.text:000000018001450D db 0CCh ; Ì
.text:000000018001450E db 0CCh ; Ì
.text:000000018001450F db 0CCh ; Ì