Function at 0x1803dd7d0
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 [0x18056a580]
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 + 0x136a], sil
cmove r14, rax
cmp edx, 7
ja case.0x1803dd18c.1
lea r8, [0x180000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x3dd6b0]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1803dd1ad
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x1803dd687
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0x1370], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x1803dd1f8
mov byte [rax + 1], 2
mov rcx, qword [rbx + 0x158]
mov rax, qword [rbx + 0x10]
add rcx, 4
mov qword [rax + 0x190], rcx
mov rdx, qword [r15 + 0x11a0]
cmp rdx, 0xffffffffffffffff
je 0x1803dd1fc
mov rcx, r15
call fcn.1803d3520
jmp 0x1803dd1fc
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 + 0x11f0]
inc rcx
call fcn.1803f0360
mov esi, eax
test eax, eax
jne 0x1803dd687
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [r14 + rax], 0
jne 0x1803dd240
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 0x1803dd260
cmp rax, rcx
jbe 0x1803dd293
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.1803c1a90
mov rcx, qword [rsp + 0x40]
call qword [fcn.180418568]
mov eax, 0x47
jmp 0x1803dd687
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.1803c6cc0
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x1803dd2c4
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop word [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1803dd2e0
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa74], 0
jne 0x1803dd5d4
cmp byte [r15 + 0x1370], 0
je 0x1803dd32e
mov r9, qword [r15 + 0x11a0]
cmp r9, rdi
je 0x1803dd32e
lea r8, str._lld
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1803c6cc0
jmp 0x1803dd338
mov eax, Ordinal_50
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x1803dd34f
lea rcx, [rsp + 0x50]
jmp 0x1803dd3a3
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 0x1803dd360
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1803dd380
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1803dd3e1
mov r9d, dword [rbx + 0x148]
lea r8, [0x180506238]
mov edx, 0x40
call fcn.1803c6cc0
mov r9d, dword [rbx + 0x24]
lea r8, [0x180506238]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1803c6cc0
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1803dd276
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 0x1803dd3f0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1803dd410
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x180506238]
mov edx, 0x40
call fcn.1803c6cc0
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1803dd3bb
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 0x1803dd470
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1803dd490
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1803dd4d4
mov r9d, dword [rbx + 0x24]
lea r8, [0x180506238]
mov edx, 0x40
call fcn.1803c6cc0
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1803dd276
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 0x1803dd4e0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1803dd500
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x180506238]
mov edx, 0x40
call fcn.1803c6cc0
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1803dd3d5
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 0x1803dd551
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1803dd570
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x1803dd3d5
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 0x1803dd5a1
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x1803dd5c0
lea r14, [rdi + 1]
add r14, r8
xor esi, esi
mov rax, qword [r15 + 0x20]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov rdx, qword [rax + 0x38]
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 0x1803dd634
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.1803aaf30
mov r8, rax
lea rdx, [0x180506210]
mov rcx, r15
call fcn.1803c1a90
mov rcx, qword [rsp + 0x40]
call qword [fcn.180418568]
jmp 0x1803dd685
mov rcx, rbx
cmp byte [r15 + 0x1370], sil
je 0x1803dd665
call fcn.1803dc8a0
mov esi, eax
jmp 0x1803dd685
mov rcx, rbx
call fcn.1803dc8a0
mov esi, eax
jmp 0x1803dd685
mov rcx, rbx
call fcn.1803dc850
mov esi, eax
jmp 0x1803dd685
mov dword [rbx], 3
jmp 0x1803dd685
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.1803c1a90
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.180408b20
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 0x1803dd837
sub r8d, 1
je 0x1803dd82e
sub r8d, 1
je 0x1803dd825
lea rdx, [0x180506210]
mov rcx, r9
cmp r8d, 1
je 0x1803dd812
lea r8, str.Internal_state_machine_error
call fcn.1803c1a90
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.1803c1b80
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1803dd980
add rsp, 0x28
jmp fcn.1803dcde0
add rsp, 0x28
jmp 0x1803dd120