Function at 0x140043850
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r14
push r15
lea rbp, [rsp - 0xa0]
sub rsp, 0x1a0
mov rax, qword [0x1400d57c0]
xor rax, rsp
mov qword [rbp + 0x90], rax
mov r15, qword [rcx + 0x10]
lea rax, str.octet
xor esi, esi
lea r14, str.netascii
mov rbx, rcx
cmp byte [r15 + 0x1301], sil
cmove r14, rax
cmp edx, 7
ja case.0x14004322c.1
lea r8, [0x140000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x43730]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x14004324d
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x140043707
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0x1306], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x140043282
mov byte [rax + 1], 2
mov rdx, qword [r15 + 0x1130]
cmp rdx, 0xffffffffffffffff
je 0x140043286
mov rcx, r15
call fcn.140038e80
jmp 0x140043286
mov byte [rax + 1], 1
mov rax, qword [rbx + 0x10]
lea r8, [rsp + 0x40]
xor r9d, r9d
mov dword [rsp + 0x20], 4
xor edx, edx
mov rcx, qword [rax + 0x1180]
inc rcx
call fcn.1400558a0
mov esi, eax
test eax, eax
jne 0x140043707
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
inc rax
cmp byte [r14 + rax], 0
jne 0x1400432c6
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rdi
sub rcx, 4
inc rax
cmp byte [r9 + rax], 0
jne 0x1400432e2
cmp rax, rcx
jbe 0x140043315
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.140026060
mov rcx, qword [rsp + 0x40]
call qword [fcn.14007db38]
mov eax, 0x47
jmp 0x140043707
mov rcx, qword [rbx + 0x158]
lea r8, str._s_c_s_c
mov qword [rsp + 0x30], 0
add rcx, 2
mov qword [rsp + 0x28], r14
mov qword [rsp + 0x20], 0
call fcn.14002c8b0
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x140043346
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop dword [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043360
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa94], 0
jne 0x140043654
cmp byte [r15 + 0x1306], 0
je 0x1400433ae
mov r9, qword [r15 + 0x1130]
cmp r9, rdi
je 0x1400433ae
lea r8, str._lld
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.14002c8b0
jmp 0x1400433b8
mov eax, 0x30
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x1400433cf
lea rcx, [rsp + 0x50]
jmp 0x140043423
mov rdx, qword [rbx + 0x158]
lea rcx, str.tsize
add rdx, r14
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1400433e0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043400
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140043461
mov r9d, dword [rbx + 0x148]
lea r8, [0x1400aa024]
mov edx, 0x40
call fcn.14002c8b0
mov r9d, dword [rbx + 0x24]
lea r8, [0x1400aa024]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.14002c8b0
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1400432f8
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140043470
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043490
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1400aa024]
mov edx, 0x40
call fcn.14002c8b0
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x14004343b
mov rdx, qword [rbx + 0x158]
lea rcx, str.blksize
add rdx, rsi
nop dword [rax]
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1400434f0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043510
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140043554
mov r9d, dword [rbx + 0x24]
lea r8, [0x1400aa024]
mov edx, 0x40
call fcn.14002c8b0
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1400432f8
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140043560
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140043580
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1400aa024]
mov edx, 0x40
call fcn.14002c8b0
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x140043455
mov rdx, qword [rbx + 0x158]
lea rcx, str.timeout
add rdx, rsi
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1400435d1
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1400435f0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x140043455
mov rdx, qword [rbx + 0x158]
lea rcx, [rsp + 0x50]
add rdx, r8
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140043621
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x140043640
lea r14, [rdi + 1]
add r14, r8
xor esi, esi
mov rax, qword [r15 + 0x20]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov r8d, r14d
mov rax, qword [rax + 0x38]
lea rdx, [rax + 0x10]
mov eax, dword [rax + 0xc]
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rdx
mov rdx, qword [rbx + 0x158]
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, r14
je 0x1400436b4
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.14000e5a0
mov r8, rax
lea rdx, [0x1400a8e34]
mov rcx, r15
call fcn.140026060
mov rcx, qword [rsp + 0x40]
call qword [fcn.14007db38]
jmp 0x140043705
mov rcx, rbx
cmp byte [r15 + 0x1306], sil
je 0x1400436e5
call fcn.140042940
mov esi, eax
jmp 0x140043705
mov rcx, rbx
call fcn.140042940
mov esi, eax
jmp 0x140043705
mov rcx, rbx
call fcn.1400428f0
mov esi, eax
jmp 0x140043705
mov dword [rbx], 3
jmp 0x140043705
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.140026060
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.140071e90
mov rbx, qword [rsp + 0x1e0]
add rsp, 0x1a0
pop r15
pop r14
pop rdi
pop rsi
pop rbp
ret
sub rsp, 0x28
mov r8d, dword [rcx]
mov r9, qword [rcx + 0x10]
test r8d, r8d
je 0x1400438b7
sub r8d, 1
je 0x1400438ae
sub r8d, 1
je 0x1400438a5
lea rdx, [0x1400a8e34]
mov rcx, r9
cmp r8d, 1
je 0x140043892
lea r8, str.Internal_state_machine_error
call fcn.140026060
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.140026150
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.140043a00
add rsp, 0x28
jmp fcn.140042e80
add rsp, 0x28
jmp 0x1400431c0