Function at 0x421090
Capabilities:
Read file on windows

Disassembly:
sub esp, 0x18
push esi
mov esi, dword [esp + 0x24]
mov dword [esp + 4], 0
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0x5a
test esi, esi
jne 0x4210bb
xor eax, eax
pop esi
add esp, 0x18
ret
push ebx
mov ebx, dword [esp + 0x2c]
push ebp
push edi
test ebx, ebx
je 0x421504
mov edi, dword [esp + 0x38]
test edi, edi
je 0x421504
push 8
push str.sha256__
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncmp]
add esp, 0xc
test eax, eax
jne 0x421295
mov eax, dword [0x4780a8]
cmp dword [eax + 0x5c], 0
je 0x421504
push 0x20
call dword [0x478094]
mov ebp, eax
add esp, 4
test ebp, ebp
je 0x42119e
mov eax, dword [0x4780a8]
push 0x20
push ebp
push edi
mov eax, dword [eax + 0x5c]
push ebx
call eax
add esp, 0x10
test eax, eax
jne 0x421509
mov ebx, dword [esp + 0x2c]
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x34]
push eax
push 0x20
push ebp
push ebx
call fcn.0043d670
push ebp
mov edi, eax
call dword [0x478098]
add esp, 0x18
test edi, edi
je 0x42115e
mov eax, edi
pop edi
pop ebp
pop ebx
pop esi
add esp, 0x18
ret
push dword [esp + 0x30]
push str._t_public_key_hash:_sha256___s_n
push ebx
call fcn.004274b0
mov ecx, esi
add esp, 0xc
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x421175
sub ecx, edx
lea edi, [ecx + 1]
push edi
call dword [0x478094]
mov ebp, eax
add esp, 4
test ebp, ebp
jne 0x4211ab
push dword [esp + 0x30]
call dword [0x478098]
add esp, 4
pop edi
pop ebp
pop ebx
mov eax, 0x1b
pop esi
add esp, 0x18
ret
push edi
push esi
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov esi, ebp
nop dword [eax + eax]
push str._sha256__
push esi
call sub.VCRUNTIME140.dll_strstr
mov edi, eax
add esp, 8
test edi, edi
je 0x4211d7
mov byte [edi], 0
add esi, 8
mov ecx, esi
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4211e0
mov ebx, dword [esp + 0x30]
sub ecx, edx
mov edx, dword [esp + 0x1c]
cmp edx, ecx
jne 0x421243
mov ecx, ebx
sub edx, 4
jb 0x421211
nop dword [eax]
mov eax, dword [ecx]
cmp eax, dword [esi]
jne 0x421216
add ecx, 4
add esi, 4
sub edx, 4
jae 0x421200
cmp edx, 0xfffffffc
je 0x42128b
mov al, byte [ecx]
cmp al, byte [esi]
jne 0x421243
cmp edx, 0xfffffffd
je 0x42128b
mov al, byte [ecx + 1]
cmp al, byte [esi + 1]
jne 0x421243
cmp edx, 0xfffffffe
je 0x42128b
mov al, byte [ecx + 2]
cmp al, byte [esi + 2]
jne 0x421243
cmp edx, 0xffffffff
je 0x42128b
mov al, byte [ecx + 3]
cmp al, byte [esi + 3]
je 0x42128b
test edi, edi
je 0x421266
push str.sha256__
push edi
mov byte [edi], 0x3b
call sub.VCRUNTIME140.dll_strstr
mov esi, eax
add esp, 8
test esi, esi
jne 0x4211c0
mov ebx, dword [esp + 0x30]
push ebx
call dword [0x478098]
push ebp
mov dword [esp + 0x38], 0
call dword [0x478098]
mov eax, dword [esp + 0x1c]
add esp, 8
pop edi
pop ebp
pop ebx
pop esi
add esp, 0x18
ret
mov dword [esp + 0x14], 0
jmp 0x421266
push 0x462fac
push esi
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fopen]
add esp, 8
mov dword [esp + 0x30], eax
test eax, eax
je 0x421504
mov esi, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fseek]
push 2
push 0
push eax
call esi
add esp, 0xc
test eax, eax
jne 0x421393
push dword [esp + 0x30]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_ftell]
push 0
push 0
push dword [esp + 0x3c]
mov ebp, eax
call esi
add esp, 0x10
test eax, eax
jne 0x421393
cmp ebp, 0x100000
ja 0x421393
mov eax, ebp
cdq
push edx
push eax
call fcn.00429bf0
mov esi, eax
add esp, 8
cmp edi, esi
ja 0x421393
lea eax, [esi + 1]
push eax
call dword [0x478094]
add esp, 4
mov dword [esp + 0x10], eax
test eax, eax
je 0x421393
push dword [esp + 0x30]
push 1
push esi
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
add esp, 0x10
cmp eax, 1
jne 0x421393
cmp edi, esi
jne 0x4213c8
mov ecx, dword [esp + 0x10]
sub edi, 4
jb 0x421359
mov eax, dword [ebx]
cmp eax, dword [ecx]
jne 0x42135e
add ebx, 4
add ecx, 4
sub edi, 4
jae 0x421348
cmp edi, 0xfffffffc
je 0x42138b
mov al, byte [ebx]
cmp al, byte [ecx]
jne 0x421393
cmp edi, 0xfffffffd
je 0x42138b
mov al, byte [ebx + 1]
cmp al, byte [ecx + 1]
jne 0x421393
cmp edi, 0xfffffffe
je 0x42138b
mov al, byte [ebx + 2]
cmp al, byte [ecx + 2]
jne 0x421393
cmp edi, 0xffffffff
je 0x42138b
mov al, byte [ebx + 3]
cmp al, byte [ecx + 3]
jne 0x421393
mov dword [esp + 0x14], 0
push dword [esp + 0x10]
call dword [0x478098]
push dword [esp + 0x1c]
call dword [0x478098]
push dword [esp + 0x38]
mov dword [esp + 0x24], 0
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fclose]
mov eax, dword [esp + 0x20]
add esp, 0xc
pop edi
pop ebp
pop ebx
pop esi
add esp, 0x18
ret
mov eax, dword [esp + 0x10]
xor ebp, ebp
push str._____BEGIN_PUBLIC_KEY_____
push eax
mov byte [esi + eax], 0
call sub.VCRUNTIME140.dll_strstr
mov ecx, eax
add esp, 8
test ecx, ecx
je 0x421393
mov eax, dword [esp + 0x10]
mov esi, ecx
sub esi, eax
je 0x4213f6
cmp byte [ecx - 1], 0xa
jne 0x421393
add esi, 0x1a
add eax, esi
push str._n_____END_PUBLIC_KEY_____
push eax
call sub.VCRUNTIME140.dll_strstr
add esp, 8
test eax, eax
je 0x421393
sub eax, dword [esp + 0x10]
mov dword [esp + 0x20], eax
sub eax, esi
inc eax
push eax
call dword [0x478094]
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
je 0x421393
mov edx, dword [esp + 0x20]
cmp esi, edx
jae 0x42145e
mov eax, dword [esp + 0x10]
mov ebx, dword [esp + 0x1c]
nop
mov cl, byte [esi + eax]
cmp cl, 0xa
je 0x421451
cmp cl, 0xd
je 0x421451
mov byte [ebx + ebp], cl
inc ebp
inc esi
cmp esi, edx
jb 0x421440
mov ebx, dword [esp + 0x34]
mov eax, dword [esp + 0x1c]
lea ecx, [esp + 0x24]
mov byte [eax + ebp], 0
push ecx
lea ecx, [esp + 0x1c]
push ecx
push eax
call fcn.0043d4b0
push dword [esp + 0x28]
mov esi, eax
call dword [0x478098]
add esp, 0x10
test esi, esi
jne 0x421393
cmp edi, dword [esp + 0x24]
jne 0x421393
mov ecx, dword [esp + 0x18]
sub edi, 4
jb 0x4214b1
nop dword [eax]
mov eax, dword [ebx]
cmp eax, dword [ecx]
jne 0x4214ba
add ebx, 4
add ecx, 4
sub edi, 4
jae 0x4214a0
cmp edi, 0xfffffffc
je 0x42138b
mov al, byte [ebx]
cmp al, byte [ecx]
jne 0x4214f7
cmp edi, 0xfffffffd
je 0x42138b
mov al, byte [ebx + 1]
cmp al, byte [ecx + 1]
jne 0x4214f7
cmp edi, 0xfffffffe
je 0x42138b
mov al, byte [ebx + 2]
cmp al, byte [ecx + 2]
jne 0x4214f7
cmp edi, 0xffffffff
je 0x42138b
mov al, byte [ebx + 3]
cmp al, byte [ecx + 3]
je 0x42138b
mov dword [esp + 0x14], 0x5a
jmp 0x421393
mov eax, 0x5a
pop edi
pop ebp
pop ebx
pop esi
add esp, 0x18
ret