Function at 0x4d7870
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket
Set socket configuration

Disassembly:
mov eax, 4
call fcn.00551530
push ebx
push ebp
mov ebp, dword [esp + 0x10]
or ebx, 0xffffffff
push esi
push edi
mov edi, dword [esp + 0x1c]
xor esi, esi
mov eax, dword [edi + 0x28]
test eax, eax
cmovne esi, eax
mov dword [esp + 0x10], esi
mov eax, dword [edi]
dec eax
cmp eax, 7
ja case.default.0x4d78a8
mov ecx, 2
jmp dword [eax*4 + 0x4d7cb0]
mov esi, dword [edi + 4]
test esi, esi
je 0x4d7b52
cmp byte [esi], 0
je 0x4d78d0
nop
mov al, byte [esi]
cmp al, 0x3a
je 0x4d78d0
cmp al, 0x2f
je 0x4d78d0
inc esi
cmp byte [esi], 0
jne 0x4d78c0
movsx eax, byte [esi]
mov dword [esp + 0x1c], eax
cmp eax, 0x3a
je 0x4d78e1
cmp eax, 0x2f
jne 0x4d791f
mov byte [esi], 0
inc esi
cmp dword [esp + 0x1c], 0x3a
jne 0x4d791f
cmp byte [esi], 0
mov eax, esi
je 0x4d7903
cmp byte [eax], 0x2f
je 0x4d7900
inc eax
cmp byte [eax], 0
jne 0x4d78f3
jmp 0x4d7903
mov byte [eax], 0
mov eax, dword [edi + 8]
test eax, eax
je 0x4d7913
push eax
call fcn.0049c760
add esp, 4
push esi
call fcn.004cbf40
add esp, 4
mov dword [edi + 8], eax
cmp dword [edi + 8], 0
je 0x4d7b22
mov esi, dword [esp + 0x10]
mov dword [edi], 2
jmp 0x4d7aff
lea eax, [edi + 0x10]
push eax
push dword [edi + 4]
call fcn.0050b110
add esp, 8
test eax, eax
jle case.default.0x4d78a8
mov dword [edi], 3
jmp 0x4d7aff
mov ecx, dword [edi + 8]
test ecx, ecx
je case.default.0x4d78a8
lea eax, [edi + 0x14]
push eax
push ecx
call fcn.0050b230
add esp, 8
test eax, eax
jle case.default.0x4d78a8
mov dword [edi], 4
jmp 0x4d7aff
xorps xmm0, xmm0
movups xmmword [edi + 0x18], xmm0
movzx eax, word [edi + 0x14]
push eax
mov word [edi + 0x18], cx
call dword [sym.imp.WS2_32.dll_htons]
mov word [edi + 0x1a], ax
movzx ecx, byte [edi + 0x10]
movzx eax, byte [edi + 0x11]
shl ecx, 8
or ecx, eax
movzx eax, byte [edi + 0x12]
shl ecx, 8
or ecx, eax
movzx eax, byte [edi + 0x13]
shl ecx, 8
or ecx, eax
push ecx
call dword [sym.imp.WS2_32.dll_htonl]
push 6
push 1
push 2
mov dword [edi + 0x1c], eax
mov dword [edi], 4
call dword [sym.imp.WS2_32.dll_socket]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4d7b73
mov dword [ebp + 0x1c], ebx
mov dword [edi], 8
jmp 0x4d7aff
cmp dword [edi + 0xc], 0
je 0x4d7a0e
push 1
push dword [ebp + 0x1c]
call fcn.0050b580
add esp, 8
test eax, eax
je 0x4d7bc1
push 4
lea eax, [esp + 0x20]
mov dword [edi], 5
push eax
push 8
push 0xffff
push dword [ebp + 0x1c]
mov dword [esp + 0x30], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
mov dword [esp + 0x1c], eax
test eax, eax
jns 0x4d7aff
push 0xe2
push str..crypto_bio_bss_conn.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 4
push 2
call fcn.004b5e40
push dword [edi + 8]
push 0x5ea118
push dword [edi + 4]
push 0x5a6acc
push 4
call fcn.004b5480
push 0xe5
push str..crypto_bio_bss_conn.c
push 0x6d
push 0x73
push 0x20
call fcn.004b5e40
add esp, 0x3c
jmp case.default.0x4d78a8
push 0xf
push ebp
call fcn.0049ca80
add esp, 8
lea eax, [edi + 0x18]
push 0x10
push eax
push dword [ebp + 0x1c]
call dword [sym.imp.WS2_32.dll_connect]
mov ebx, eax
mov dword [ebp + 0x18], 0
test ebx, ebx
jns 0x4d7af9
push ebx
call fcn.004cc4f0
add esp, 4
test eax, eax
je 0x4d7bf5
push 0xc
push ebp
call fcn.0049d180
mov dword [edi], 7
add esp, 8
mov dword [ebp + 0x18], 2
jmp case.default.0x4d78a8
push dword [ebp + 0x1c]
call fcn.0050b4b0
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
jne 0x4d7c40
mov dword [edi], 6
test esi, esi
je 0x4d7897
push ebx
push dword [edi]
push ebp
call esi
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x4d7897
mov eax, ebx
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
push 0xa4
push str..crypto_bio_bss_conn.c
push 0x72
push 0x73
push 0x20
call fcn.004b5e40
push dword [edi + 4]
push 0x5a6acc
push 2
call fcn.004b5480
mov esi, dword [esp + 0x30]
add esp, 0x20
jmp case.default.0x4d78a8
push 0x8b
push str..crypto_bio_bss_conn.c
push 0x70
push 0x73
push 0x20
call fcn.004b5e40
mov esi, dword [esp + 0x24]
add esp, 0x14
jmp case.default.0x4d78a8
push 0xc8
push str..crypto_bio_bss_conn.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 4
push 2
call fcn.004b5e40
push dword [edi + 8]
push 0x5ea118
push dword [edi + 4]
push 0x5a6acc
push 4
call fcn.004b5480
push 0xcb
push str..crypto_bio_bss_conn.c
push 0x76
push 0x73
push 0x20
call fcn.004b5e40
add esp, 0x3c
jmp case.default.0x4d78a8
push 0xd5
push str..crypto_bio_bss_conn.c
push 0x68
push 0x73
push 0x20
call fcn.004b5e40
push dword [edi + 8]
push 0x5ea118
push dword [edi + 4]
push 0x5a6acc
push 4
call fcn.004b5480
add esp, 0x28
jmp case.default.0x4d78a8
push 0xf6
push str..crypto_bio_bss_conn.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 2
push 2
call fcn.004b5e40
push dword [edi + 8]
push 0x5ea118
push dword [edi + 4]
push 0x5a6acc
push 4
call fcn.004b5480
push 0xf9
push str..crypto_bio_bss_conn.c
push 0x67
push 0x73
push 0x20
call fcn.004b5e40
add esp, 0x3c
jmp case.default.0x4d78a8
push 0xf
push ebp
call fcn.0049ca80
push 0x104
push str..crypto_bio_bss_conn.c
push dword [esp + 0x2c]
push 2
push 2
call fcn.004b5e40
push dword [edi + 8]
push 0x5ea118
push dword [edi + 4]
push 0x5a6acc
push 4
call fcn.004b5480
push 0x107
push str..crypto_bio_bss_conn.c
push 0x6e
push 0x73
push 0x20
call fcn.004b5e40
add esp, 0x44
xor ebx, ebx
jmp case.default.0x4d78a8
mov ebx, 1
test esi, esi
je 0x4d7b1a
push ebx
push dword [edi]
push ebp
call esi
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret