Function at 0x180042ae0
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 [0x1800d86f0]
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 + 0x133e], sil
cmove r14, rax
cmp edx, 7
ja case.0x18004249c.1
lea r8, [0x180000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x429c0]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1800424bd
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x180042997
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0xaa7], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x180042508
mov byte [rax + 1], 2
mov rcx, qword [rbx + 0x158]
mov rax, qword [rbx + 0x10]
add rcx, 4
mov qword [rax + 0x198], rcx
mov rdx, qword [r15 + 0x1188]
cmp rdx, 0xffffffffffffffff
je 0x18004250c
mov rcx, r15
call fcn.180059fa0
jmp 0x18004250c
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 + 0x11d8]
inc rcx
call fcn.18001dbb0
mov esi, eax
test eax, eax
jne 0x180042997
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [r14 + rax], 0
jne 0x180042550
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rdi
sub rcx, 4
nop dword [rax]
inc rax
cmp byte [r9 + rax], 0
jne 0x180042570
cmp rax, rcx
jbe 0x1800425a3
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.180033460
mov rcx, qword [rsp + 0x40]
call qword [fcn.180084680]
mov eax, 0x47
jmp 0x180042997
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.18001eb40
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x1800425d4
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop word [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800425f0
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa8c], 0
jne 0x1800428e4
cmp byte [r15 + 0xaa7], 0
je 0x18004263e
mov r9, qword [r15 + 0x1188]
cmp r9, rdi
je 0x18004263e
lea r8, str._I64d
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.18001eb40
jmp 0x180042648
mov eax, 0x30
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x18004265f
lea rcx, [rsp + 0x50]
jmp 0x1800426b3
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 0x180042670
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180042690
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1800426f1
mov r9d, dword [rbx + 0x148]
lea r8, [0x1800ac600]
mov edx, 0x40
call fcn.18001eb40
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800ac600]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.18001eb40
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x180042586
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 0x180042700
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180042720
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1800ac600]
mov edx, 0x40
call fcn.18001eb40
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1800426cb
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 0x180042780
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800427a0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1800427e4
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800ac600]
mov edx, 0x40
call fcn.18001eb40
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x180042586
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 0x1800427f0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180042810
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1800ac600]
mov edx, 0x40
call fcn.18001eb40
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1800426e5
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 0x180042861
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x180042880
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x1800426e5
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 0x1800428b1
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x1800428d0
lea r14, [rdi + 1]
add r14, r8
xor esi, esi
mov rax, qword [r15 + 0x18]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov rdx, qword [rax + 0x58]
mov eax, dword [rdx + 0xc]
lea r8, [rdx + 0x10]
mov rdx, qword [rbx + 0x158]
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], r8
mov r8d, r14d
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, r14
je 0x180042944
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.180039340
mov r8, rax
lea rdx, [0x1800acf20]
mov rcx, r15
call fcn.180033460
mov rcx, qword [rsp + 0x40]
call qword [fcn.180084680]
jmp 0x180042995
mov rcx, rbx
cmp byte [r15 + 0xaa7], sil
je 0x180042975
call fcn.180041b80
mov esi, eax
jmp 0x180042995
mov rcx, rbx
call fcn.180041b80
mov esi, eax
jmp 0x180042995
mov rcx, rbx
call fcn.180041b30
mov esi, eax
jmp 0x180042995
mov dword [rbx], 3
jmp 0x180042995
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.180033460
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.180075f90
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 0x180042b47
sub r8d, 1
je 0x180042b3e
sub r8d, 1
je 0x180042b35
lea rdx, [0x1800acf20]
mov rcx, r9
cmp r8d, 1
je 0x180042b22
lea r8, str.Internal_state_machine_error
call fcn.180033460
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.180033550
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.180042c90
add rsp, 0x28
jmp fcn.1800420f0
add rsp, 0x28
jmp 0x180042430