Function at 0x4b51b0
Capabilities:
Check for time delay via gettickcount
Check http status code

Disassembly:
sub esp, 0x38
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x4c]
mov ebp, dword [edi]
xor ebx, ebx
mov dword [esp + 0x3c], ebx
mov eax, dword [ebp + 0x19c]
cmp eax, ebx
mov dword [esp + 0x2c], eax
jne 0x4b51d9
mov dword [esp + 0x2c], 0x36ee80
mov eax, dword [esp + 0x50]
mov ecx, dword [edi + eax*4 + 0x130]
mov dword [esp + 0x30], ecx
mov dword [esp + 0x40], ebx
mov dword [esp + 0x44], ebx
mov dword [esp + 0x28], ebx
mov dword [esp + 0x38], ebx
mov dword [esp + 0x24], ebx
mov dword [edi + 0x1f4], ebx
cmp dword [edi + 0x1d0], ebx
jne 0x4b53f7
movzx esi, word [esp + 0x58]
mov edx, dword [esp + 0x54]
push esi
push edx
push str.Establish_HTTP_proxy_tunnel_to__s:_hu_n
push ebp
call fcn.0049a440
mov eax, dword [ebp + 0xd4]
add esp, 0x10
cmp eax, ebx
je 0x4b5240
push eax
call fcn.00474ca4
add esp, 4
mov dword [ebp + 0xd4], ebx
call fcn.004acb20
mov ebx, eax
test ebx, ebx
je 0x4b595c
mov eax, dword [esp + 0x54]
push esi
push eax
push str._s:_hu
call fcn.0049c910
add esp, 0xc
test eax, eax
mov dword [esp + 0x20], eax
je 0x4b5953
push 1
push eax
push str.CONNECT
push edi
call fcn.004ac750
mov esi, eax
add esp, 0x10
test esi, esi
jne 0x4b53c3
mov ecx, dword [esp + 0x4c]
cmp dword [ecx + 0x114], 1
mov esi, 0x4d3320
mov edi, esi
mov dword [esp + 0x18], esi
mov dword [esp + 0x14], 0x4d1800
je 0x4b52b1
mov dword [esp + 0x14], 0x4d1804
push str.Host:
push ebp
call fcn.004ac210
add esp, 8
test eax, eax
jne 0x4b52df
mov edx, dword [esp + 0x20]
push edx
push str.Host:__s_r_n
call fcn.0049c910
mov edi, eax
add esp, 8
test edi, edi
je 0x4b5969
push str.Proxy_Connection:
push ebp
call fcn.004ac210
add esp, 8
test eax, eax
jne 0x4b52f9
mov dword [esp + 0x18], str.Proxy_Connection:_Keep_Alive_r_n
push str.User_Agent:
push ebp
call fcn.004ac210
add esp, 8
test eax, eax
jne 0x4b531d
cmp dword [ebp + 0x3a0], eax
je 0x4b531d
mov eax, dword [esp + 0x4c]
mov esi, dword [eax + 0x228]
mov ecx, dword [esp + 0x4c]
mov eax, dword [ecx + 0x224]
test eax, eax
jne 0x4b5330
mov eax, 0x4d3320
mov edx, dword [esp + 0x18]
mov ecx, dword [esp + 0x54]
push edx
push esi
push eax
mov eax, dword [esp + 0x20]
push edi
push eax
movzx eax, word [esp + 0x6c]
push eax
push ecx
push str.CONNECT__s:_hu_HTTP__s_r_n_s_s_s_s
push ebx
call fcn.004ad3c0
add esp, 0x24
test edi, edi
mov esi, eax
je 0x4b536a
cmp byte [edi], 0
je 0x4b536a
push edi
call fcn.00474ca4
add esp, 4
test esi, esi
jne 0x4b53af
mov edi, dword [esp + 0x4c]
push ebx
push edi
call fcn.004ad4a0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4b53af
push 0x4c9eb4
push ebx
call fcn.004ad3c0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4b53af
mov edx, dword [esp + 0x50]
push edx
push eax
lea eax, [ebp + 0x86a4]
push eax
push edi
push ebx
call fcn.004acb30
add esp, 0x14
mov esi, eax
xor ebx, ebx
test esi, esi
je 0x4b53c3
push str.Failed_sending_CONNECT_to_proxy
push ebp
call fcn.0049a4d0
add esp, 8
mov ecx, dword [esp + 0x20]
push ecx
call fcn.00474ca4
add esp, 4
test ebx, ebx
je 0x4b53dd
push ebx
call fcn.00474ca4
add esp, 4
test esi, esi
jne 0x4b5989
mov edx, dword [esp + 0x4c]
mov dword [edx + 0x1d0], 1
mov edi, edx
xor ebx, ebx
mov eax, dword [edi + 0x124]
mov ecx, dword [edi + 0x120]
push eax
push ecx
call fcn.0049f220
push edx
push eax
call fcn.0049f250
mov edx, dword [esp + 0x3c]
sub edx, eax
add esp, 0x10
test edx, edx
jle 0x4b5993
cmp dword [ebp + 0x520], 2
jne 0x4b5443
mov eax, dword [esp + 0x30]
push ebx
push 0xffffffffffffffff
push eax
call fcn.004afe20
add esp, 0xc
test eax, eax
je 0x4b5a5a
xor ebx, ebx
lea eax, [ebp + 0x53c]
mov dword [edi + 0x1d0], ebx
mov dword [esp + 0x18], eax
mov esi, eax
mov dword [esp + 0x20], ebx
mov dword [esp + 0x14], ebx
mov dword [esp + 0x10], 1
jmp 0x4b5470
cmp dword [esp + 0x10], 0
je 0x4b58f3
cmp dword [esp + 0x24], 0
jne 0x4b59a1
mov ecx, dword [edi + 0x124]
mov edx, dword [edi + 0x120]
push ecx
push edx
call fcn.0049f220
push edx
push eax
call fcn.0049f250
mov ecx, dword [esp + 0x3c]
sub ecx, eax
add esp, 0x10
test ecx, ecx
jle 0x4b5993
cmp ecx, 0x3e8
jl 0x4b54be
mov ecx, 0x3e8
mov eax, dword [esp + 0x30]
push ecx
push 0xffffffffffffffff
push eax
call fcn.004afe20
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b58bc
test eax, eax
je 0x4b58d2
mov eax, dword [esp + 0x18]
lea ecx, [esp + 0x1c]
push ecx
mov ecx, dword [esp + 0x34]
mov edx, 0x4000
sub edx, ebx
push edx
push eax
push ecx
push edi
call fcn.0049a1b0
add esp, 0x14
cmp eax, 0x51
je 0x4b58e7
xor ecx, ecx
cmp eax, ecx
je 0x4b5517
mov dword [esp + 0x10], ecx
jmp 0x4b58d2
mov eax, dword [esp + 0x1c]
cmp eax, ecx
jg 0x4b554c
cmp dword [ebp + 0x118], ecx
mov dword [esp + 0x10], ecx
je 0x4b5542
cmp dword [ebp + 0x85dc], ecx
je 0x4b5542
mov dword [edi + 0x1f4], 1
jmp 0x4b58d2
push str.Proxy_CONNECT_aborted
jmp 0x4b58c1
add ebx, eax
cmp dword [esp + 0x10], 1
mov dword [esp + 0x20], ebx
jle 0x4b55ed
mov edx, dword [esp + 0x40]
or edx, dword [esp + 0x44]
mov dword [esp + 0x20], ecx
lea ecx, [ebp + 0x53c]
mov dword [esp + 0x18], ecx
je 0x4b55a6
cdq
sub dword [esp + 0x40], eax
mov eax, dword [esp + 0x44]
sbb eax, edx
test eax, eax
mov dword [esp + 0x44], eax
jg 0x4b58d2
jl 0x4b5599
cmp dword [esp + 0x40], 0
ja 0x4b58d2
mov dword [esp + 0x10], 0
jmp 0x4b58d2
lea edx, [esp + 0x34]
push edx
push eax
push ecx
xor ebx, ebx
push edi
mov dword [esp + 0x44], ebx
call fcn.004b2dd0
add esp, 0x10
cmp eax, 0xffffffff
jne 0x4b55d5
push str.chunk_reading_DONE_n
push ebp
call fcn.0049a440
mov dword [esp + 0x18], ebx
jmp 0x4b58cf
mov eax, dword [esp + 0x34]
push eax
push str.Read__zd_bytes_of_chunk__continue_n
push ebp
call fcn.0049a440
add esp, 0xc
jmp 0x4b58d2
xor ebx, ebx
test eax, eax
mov dword [esp + 0x34], ebx
jle 0x4b58d2
mov ecx, 1
mov edx, dword [esp + 0x18]
add dword [esp + 0x14], ecx
cmp byte [edx], 0xa
jne 0x4b57c7
cmp dword [ebp + 0x2e4], 0
je 0x4b562c
mov eax, dword [esp + 0x14]
push edi
push eax
push esi
push 1
push ebp
call fcn.0049a350
add esp, 0x14
cmp dword [ebp + 0x2c8], 0
mov eax, 2
je 0x4b563f
mov eax, 3
mov ecx, dword [esp + 0x14]
push ecx
push esi
push eax
push edi
call fcn.0049a7b0
add esp, 0x10
test eax, eax
jne 0x4b5a5c
mov al, byte [esi]
cmp al, 0xd
je 0x4b57de
cmp al, 0xa
je 0x4b57de
mov eax, dword [esp + 0x14]
mov bl, byte [eax + esi]
push 0x11
push esi
push str.WWW_Authenticate:
mov byte [eax + esi], 0
call fcn.004b1cc0
add esp, 0xc
test eax, eax
je 0x4b5695
mov eax, dword [ebp + 0x90]
cmp eax, 0x191
je 0x4b56b6
push 0x13
push esi
push str.Proxy_authenticate:
call fcn.004b1cc0
add esp, 0xc
test eax, eax
je 0x4b56ce
mov eax, dword [ebp + 0x90]
cmp eax, 0x197
jne 0x4b56ce
push esi
push eax
push edi
call fcn.004ac860
add esp, 0xc
test eax, eax
jne 0x4b5a5c
jmp 0x4b57a0
push 0xf
push esi
push str.Content_Length:
call fcn.004b1cc0
add esp, 0xc
test eax, eax
je 0x4b56ff
push 0xa
lea edx, [esi + 0xf]
push 0
push edx
call fcn.0047da7e
add esp, 0xc
mov dword [esp + 0x40], eax
mov dword [esp + 0x44], edx
jmp 0x4b57a0
push str.close
push str.Connection:
push esi
call fcn.004acdc0
add esp, 0xc
test eax, eax
je 0x4b5723
mov dword [esp + 0x28], 1
jmp 0x4b57a0
push str.chunked
push str.Transfer_Encoding:
push esi
call fcn.004acdc0
add esp, 0xc
test eax, eax
je 0x4b5758
push str.CONNECT_responded_chunked_n
push ebp
call fcn.0049a440
push edi
mov dword [esp + 0x44], 1
call fcn.004b2db0
add esp, 0xc
jmp 0x4b57a0
push str.close
push str.Proxy_Connection:
push esi
call fcn.004acdc0
add esp, 0xc
test eax, eax
je 0x4b5779
mov dword [esp + 0x28], 1
jmp 0x4b57a0
lea edi, [ebp + 0x90]
push edi
lea eax, [esp + 0x40]
push eax
push str.HTTP_1._d__d
push esi
call fcn.00472149
add esp, 0x10
cmp eax, 2
jne 0x4b57a0
mov ecx, dword [edi]
mov dword [ebp + 0x8690], ecx
mov edx, dword [esp + 0x14]
mov eax, dword [esp + 0x18]
mov edi, dword [esp + 0x4c]
mov byte [edx + esi], bl
mov ebx, dword [esp + 0x34]
lea esi, [eax + 1]
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x14], 0
mov ecx, 1
add dword [esp + 0x18], ecx
add ebx, ecx
cmp ebx, eax
mov dword [esp + 0x34], ebx
jl 0x4b5600
jmp 0x4b58d2
xor ecx, ecx
cmp dword [ebp + 0x90], 0x197
lea eax, [ebp + 0x53c]
mov dword [esp + 0x20], ecx
mov dword [esp + 0x18], eax
jne 0x4b550e
cmp dword [ebp + 0x85ec], ecx
jne 0x4b550e
mov edx, dword [esp + 0x40]
or edx, dword [esp + 0x44]
mov dword [esp + 0x10], 2
je 0x4b583f
mov eax, dword [esp + 0x44]
mov ecx, dword [esp + 0x40]
push eax
push ecx
push str.Ignore__lld_bytes_of_response_body_n
push ebp
call fcn.0049a440
mov eax, dword [esp + 0x2c]
add esp, 0x10
sub eax, ebx
jmp 0x4b5575
cmp dword [esp + 0x38], ecx
je 0x4b550e
mov edx, dword [esp + 0x1c]
sub edx, ebx
push edx
push str._zd_bytes_of_chunk_left_n
push ebp
mov dword [ebp + 0xc8], 1
call fcn.0049a440
add esp, 0xc
cmp byte [esi + 1], 0xa
jne 0x4b5874
add esi, 1
add ebx, 1
mov ecx, dword [esp + 0x1c]
lea eax, [esp + 0x1c]
push eax
sub ecx, ebx
push ecx
lea edx, [esi + 1]
push edx
push edi
call fcn.004b2dd0
add esp, 0x10
cmp eax, 0xffffffff
jne 0x4b58a7
push str.chunk_reading_DONE_n
push ebp
call fcn.0049a440
mov dword [esp + 0x18], 0
jmp 0x4b58cf
mov eax, dword [esp + 0x1c]
push eax
push str.Read__zd_bytes_of_chunk__continue_n
push ebp
call fcn.0049a440
add esp, 0xc
jmp 0x4b58d2
push str.Proxy_CONNECT_aborted_due_to_select_poll_error
push ebp
mov dword [esp + 0x2c], 1
call fcn.0049a4d0
add esp, 8
push edi
call fcn.004b1460
add esp, 4
test eax, eax
jne 0x4b59ae
mov ebx, dword [esp + 0x20]
cmp ebx, 0x4000
jb 0x4b5470
cmp dword [esp + 0x24], 0
jne 0x4b59a1
cmp dword [ebp + 0x8690], 0xc8
je 0x4b592e
push edi
call fcn.004ad1f0
add esp, 4
test eax, eax
jne 0x4b5a5c
cmp dword [edi + 0x198], eax
je 0x4b592e
mov esi, 1
mov dword [esp + 0x28], esi
jmp 0x4b5936
mov esi, dword [esp + 0x28]
test esi, esi
je 0x4b593f
cmp dword [ebp + 0xd4], 0
jne 0x4b59bb
cmp dword [ebp + 0xd4], 0
je 0x4b59db
xor ebx, ebx
jmp 0x4b5202
push ebx
call fcn.00474ca4
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 0x1b
pop ebx
add esp, 0x38
ret
push ebx
call fcn.00474ca4
mov ecx, dword [esp + 0x24]
push ecx
call fcn.00474ca4
add esp, 8
pop edi
pop esi
pop ebp
mov eax, 0x1b
pop ebx
add esp, 0x38
ret
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x38
ret
push str.Proxy_CONNECT_aborted_due_to_timeout
push ebp
call fcn.0049a4d0
add esp, 8
pop edi
pop esi
pop ebp
mov eax, 0x38
pop ebx
add esp, 0x38
ret
pop edi
pop esi
pop ebp
mov eax, 0x2a
pop ebx
add esp, 0x38
ret
mov ebx, dword [esp + 0x50]
mov edx, dword [edi + ebx*4 + 0x130]
push edx
push edi
call fcn.0049b120
add esp, 8
mov dword [edi + ebx*4 + 0x130], 0xffffffff
mov eax, dword [ebp + 0x90]
cmp eax, 0xc8
je 0x4b5a1b
push eax
push str.Received_HTTP_code__d_from_proxy_after_CONNECT
push ebp
call fcn.0049a4d0
add esp, 0xc
test esi, esi
je 0x4b5a0e
cmp dword [ebp + 0xd4], 0
je 0x4b5a0e
mov dword [edi + 0x1f4], 1
pop edi
pop esi
pop ebp
mov eax, 0x38
pop ebx
add esp, 0x38
ret
mov eax, dword [edi + 0x224]
xor esi, esi
cmp eax, esi
je 0x4b5a36
push eax
call fcn.00474ca4
add esp, 4
mov dword [edi + 0x224], esi
push str.Proxy_replied_OK_to_CONNECT_request_n
mov dword [edi + 0x224], esi
push ebp
mov dword [ebp + 0x85e0], 1
call fcn.0049a440
add esp, 8
mov dword [ebp + 0xc8], esi
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x38
ret