Function at 0x4b0490
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x14c
mov eax, dword [0x55f3d0]
xor eax, esp
mov dword [esp + 0x148], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x15c]
xor ebx, ebx
push edi
mov eax, str.netascii
mov edi, str.octet
mov ebp, dword [esi + 0x10]
cmp byte [ebp + 0xd0c], bl
cmovne edi, eax
mov eax, dword [esp + 0x164]
cmp eax, 7
ja case.0x4aff37.1
jmp dword [eax*4 + 0x4b0370]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
cmp eax, dword [esi + 0x20]
jle 0x4aff5d
mov dword [esi + 8], 0xffffff9e
xor eax, eax
mov dword [esi], 3
jmp 0x4b0355
mov eax, dword [esi + 0x14c]
cmp byte [ebp + 0x71d], bl
mov byte [eax], bl
mov eax, dword [esi + 0x14c]
je 0x4affab
mov byte [eax + 1], 2
mov eax, dword [esi + 0x10]
mov ecx, dword [esi + 0x14c]
add ecx, 4
mov dword [eax + 0x130], ecx
mov edx, dword [ebp + 0xc58]
mov eax, edx
mov ecx, dword [ebp + 0xc5c]
and eax, ecx
cmp eax, 0xffffffff
je 0x4affaf
push ecx
push edx
push ebp
call fcn.00497d20
add esp, 0xc
jmp 0x4affaf
mov byte [eax + 1], 1
push 4
push 0
lea eax, [esp + 0x18]
push eax
mov eax, dword [esi + 0x10]
push 0
mov eax, dword [eax + 0xc90]
inc eax
push eax
push ebp
call fcn.004b40a0
mov ebx, eax
add esp, 0x18
test ebx, ebx
jne 0x4b0353
mov ecx, dword [esp + 0x10]
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4affe0
sub ecx, edx
mov edx, edi
lea eax, [edx + 1]
mov dword [esp + 0x14], eax
mov al, byte [edx]
inc edx
test al, al
jne 0x4afff2
sub edx, dword [esp + 0x14]
mov eax, dword [esi + 0x13c]
sub eax, edx
sub eax, 4
cmp ecx, eax
jbe 0x4b002e
push str.TFTP_file_name_too_long
push ebp
call fcn.00487a10
push dword [esp + 0x18]
call dword [0x55f374]
add esp, 0xc
mov eax, 0x47
jmp 0x4b0355
mov eax, dword [esi + 0x14c]
push 0
push edi
push 0
push dword [esp + 0x1c]
add eax, 2
push str._s_c_s_c
push dword [esi + 0x13c]
push eax
call fcn.0048cd30
mov ecx, dword [esp + 0x2c]
add esp, 0x1c
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b0060
sub ecx, edx
lea edx, [edi + 1]
nop dword [eax]
mov al, byte [edi]
inc edi
test al, al
jne 0x4b0070
sub edi, edx
add edi, 4
add edi, ecx
cmp byte [ebp + 0x703], al
jne 0x4b02be
cmp byte [ebp + 0x71d], al
je 0x4b00bf
mov edx, dword [ebp + 0xc58]
mov eax, edx
mov ecx, dword [ebp + 0xc5c]
and eax, ecx
cmp eax, 0xffffffff
je 0x4b00bf
push ecx
push edx
push str._I64d
lea eax, [esp + 0x24]
push 0x40
push eax
call fcn.0048cd30
add esp, 0x14
jmp 0x4b00c9
mov eax, 0x30
mov word [esp + 0x18], ax
lea ebx, [edi + 6]
cmp ebx, dword [esi + 0x13c]
ja 0x4b010c
mov ecx, dword [esi + 0x14c]
mov edx, str.tsize
add ecx, edi
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4b00e1
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b00f6
sub ecx, edx
lea eax, [ecx + 1]
add eax, ebx
cmp eax, dword [esi + 0x13c]
jbe 0x4b0144
push dword [esi + 0x140]
lea eax, [esp + 0x1c]
push 0x531744
push 0x40
push eax
call fcn.0048cd30
push dword [esi + 0x1c]
lea eax, [esp + 0x2c]
push 0x531744
push 0x40
push eax
call fcn.0048cd30
add esp, 0x20
push str.TFTP_buffer_too_small_for_options
jmp 0x4b0011
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, ebx
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4b0150
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b0165
push dword [esi + 0x140]
sub ecx, edx
lea eax, [esp + 0x1c]
push 0x531744
push 0x40
push eax
lea edi, [ecx + 1]
add edi, ebx
call fcn.0048cd30
lea ebx, [edi + 8]
add esp, 0x10
cmp ebx, dword [esi + 0x13c]
ja 0x4b01d6
mov ecx, dword [esi + 0x14c]
mov edx, str.blksize
add ecx, edi
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4b01a5
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b01c0
sub ecx, edx
lea eax, [ecx + 1]
add eax, ebx
cmp eax, dword [esi + 0x13c]
jbe 0x4b01f7
push dword [esi + 0x1c]
lea eax, [esp + 0x1c]
push 0x531744
push 0x40
push eax
call fcn.0048cd30
add esp, 0x10
push str.TFTP_buffer_too_small_for_options
jmp 0x4b0011
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, ebx
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4b0203
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b0218
push dword [esi + 0x1c]
sub ecx, edx
lea eax, [esp + 0x1c]
push 0x531744
inc ecx
push 0x40
push eax
add ebx, ecx
call fcn.0048cd30
lea edi, [ebx + 8]
add esp, 0x10
cmp edi, dword [esi + 0x13c]
ja 0x4b013a
mov ecx, dword [esi + 0x14c]
mov edx, str.timeout
add ecx, ebx
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4b0257
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b0270
sub ecx, edx
lea eax, [edi + 1]
add eax, ecx
cmp eax, dword [esi + 0x13c]
ja 0x4b013a
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, edi
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4b0296
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b02b0
sub ecx, edx
inc edi
add edi, ecx
xor ebx, ebx
mov eax, dword [ebp + 0xc]
mov eax, dword [eax + 0x48]
push dword [eax + 0x10]
push dword [eax + 0x18]
push 0
push edi
push dword [esi + 0x14c]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
cmp eax, edi
je 0x4b0305
push 0x100
lea eax, [esp + 0x5c]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0049af50
push eax
push 0x50df44
push ebp
call fcn.00487a10
add esp, 0x18
push dword [esp + 0x10]
call dword [0x55f374]
add esp, 4
jmp 0x4b0353
push eax
push esi
cmp byte [ebp + 0x71d], bl
je 0x4b0334
call fcn.004af6d0
mov ebx, eax
jmp 0x4b0350
push eax
push esi
call fcn.004af6d0
mov ebx, eax
jmp 0x4b0350
push eax
push esi
call fcn.004af690
mov ebx, eax
jmp 0x4b0350
mov dword [esi], 3
jmp 0x4b0353
push str.tftp_send_first:_internal_error
push ebp
call fcn.00487a10
add esp, 8
mov eax, ebx
mov ecx, dword [esp + 0x158]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004d635c
add esp, 0x14c
ret
mov eax, dword [esp + 4]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x4b049e
jmp dword [edx*4 + 0x4b04f0]
mov dword [esp + 4], eax
jmp 0x4afef0
mov dword [esp + 4], eax
jmp fcn.004afb90
mov dword [esp + 4], eax
jmp fcn.004b0630
push str.TFTP_finished
push 0x50df44
push ecx
call fcn.00487ae0
add esp, 0xc
xor eax, eax
ret
push str.Internal_state_machine_error
push 0x50df44
push ecx
call fcn.00487a10
add esp, 0xc
mov eax, 0x47
ret