Function at 0x51fc80
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x130
mov eax, dword [esp + 0x134]
push ebx
mov ebx, dword [esp + 0x13c]
push ebp
push esi
push edi
mov edi, dword [ebx]
mov ebp, dword [ebx + eax*4 + 0x1a4]
mov dword [esp + 0x78], 0
mov ecx, dword [edi + 0x9e4]
mov dword [esp + 0x74], ecx
test ecx, ecx
jne 0x51fcc0
mov ecx, str.rcmd
mov dword [esp + 0x74], ecx
mov esi, ecx
lea edx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x51fcc5
push 0x2f
push ecx
sub esi, edx
call dword [sym.imp.MSVCRT.dll_strchr]
add esp, 8
test eax, eax
je 0x51fd05
push dword [esp + 0x74]
call dword [0xa5e0c4]
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
test esi, esi
jne 0x51fd6d
pop edi
pop esi
pop ebp
mov eax, 0x1b
pop ebx
add esp, 0x130
ret
mov ecx, dword [ebx + 0xc4]
lea edx, [ecx + 1]
mov edi, edi
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51fd10
sub ecx, edx
lea eax, [esi + 2]
add eax, ecx
push eax
call dword [0xa5e0b8]
add esp, 4
mov dword [esp + 0x20], eax
test eax, eax
je 0x51fcf5
mov edx, dword [ebx + 0xc4]
mov ecx, edx
lea eax, [ecx + 1]
mov dword [esp + 0x88], eax
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51fd42
sub ecx, dword [esp + 0x88]
lea eax, [esi + 2]
mov esi, dword [esp + 0x20]
add eax, ecx
push edx
push dword [esp + 0x78]
push str._s__s
push eax
push esi
call fcn.0050a2f0
add esp, 0x14
lea eax, [esp + 0x64]
mov dword [esp + 0x90], 1
mov dword [esp + 0x94], eax
lea eax, [esp + 0x28]
mov dword [esp + 0xa0], eax
lea eax, [esp + 0x40]
mov dword [esp + 0x84], eax
lea eax, [esp + 0xa8]
push eax
lea eax, [esp + 0x3c]
mov dword [esp + 0x90], 0
push eax
mov eax, dword [0xa64a70]
push 0
push 0
push 0
push 0
push 2
push str.Kerberos
mov dword [esp + 0x88], 2
mov dword [esp + 0x84], 0
mov dword [esp + 0x8c], 0
mov dword [esp + 0xbc], 1
mov dword [esp + 0xb8], 0
mov dword [esp + 0x4c], 2
mov dword [esp + 0x48], 0
mov dword [esp + 0x50], 0
mov dword [esp + 0xa0], 3
mov dword [esp + 0x9c], 0
mov dword [esp + 0x58], 0
mov dword [esp + 0x5c], 0
mov eax, dword [eax + 0xc]
push 0
call eax
push str.AcquireCredentialsHandle
push eax
push ebx
call fcn.00520860
add esp, 0xc
test eax, eax
je 0x51fe88
push str.Failed_to_acquire_credentials.
push edi
call fcn.004f8bb0
push esi
call dword [0xa5e0bc]
add esp, 0xc
lea eax, [esp + 0x38]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x10]
call eax
pop edi
pop esi
pop ebp
mov eax, 7
pop ebx
add esp, 0x130
ret
xor eax, eax
lea ebx, [ebx]
lea ecx, [esp + 0xa8]
push ecx
lea ecx, [esp + 0x7c]
push ecx
lea ecx, [esp + 0xa0]
push ecx
lea ecx, [esp + 0x24]
push ecx
push 0
lea ecx, [esp + 0xa0]
push ecx
push 0x10
push 0
push 0x116
push esi
push eax
lea eax, [esp + 0x64]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x18]
call eax
mov ecx, dword [esp + 0x6c]
mov esi, eax
test ecx, ecx
je 0x51feee
push ecx
mov ecx, dword [0xa64a70]
mov ecx, dword [ecx + 0x40]
call ecx
xor ecx, ecx
mov dword [esp + 0x6c], ecx
mov dword [esp + 0x64], ecx
test esi, esi
je 0x51ff0e
cmp esi, 0x90314
je 0x51ff0e
cmp esi, 0x90313
je 0x51ff0e
cmp esi, 0x90312
jne 0x52006c
mov eax, dword [esp + 0x28]
test eax, eax
je 0x51ff83
push eax
mov word [esp + 0x14], 0x101
call dword [sym.imp.WS2_32.dll_htons]
mov word [esp + 0x12], ax
lea eax, [esp + 0x24]
push eax
push 4
lea eax, [esp + 0x18]
push eax
push ebp
push ebx
call fcn.004f9020
add esp, 0x14
test eax, eax
jne 0x52013f
cmp dword [esp + 0x24], 4
jne 0x52013f
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x2c]
push dword [esp + 0x38]
push ebp
push ebx
call fcn.004f9020
add esp, 0x14
test eax, eax
jne 0x5200ee
mov eax, dword [esp + 0x28]
cmp eax, dword [esp + 0x24]
jne 0x5200ee
mov ecx, dword [esp + 0x6c]
mov eax, dword [esp + 0x30]
test eax, eax
je 0x51ffa2
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
mov ecx, dword [esp + 0x6c]
mov dword [esp + 0x30], 0
mov dword [esp + 0x28], 0
test ecx, ecx
je 0x51ffc1
mov eax, dword [0xa64a70]
push ecx
mov eax, dword [eax + 0x40]
call eax
mov dword [esp + 0x6c], 0
mov dword [esp + 0x64], 0
cmp esi, 0x90312
jne 0x52020f
lea eax, [esp + 0x34]
push eax
push 4
lea eax, [esp + 0x18]
push eax
push ebp
push ebx
call fcn.00518ae0
add esp, 0x14
test eax, eax
jne 0x5201e4
cmp dword [esp + 0x34], 4
jne 0x5201e4
mov al, byte [esp + 0x11]
cmp al, 0xff
je 0x5201d2
cmp al, 1
jne 0x52019d
push dword [esp + 0x12]
call dword [sym.imp.WS2_32.dll_ntohs]
movzx esi, ax
push esi
mov dword [esp + 0x68], esi
call dword [0xa5e0b8]
add esp, 4
mov dword [esp + 0x6c], eax
test eax, eax
je 0x520161
lea ecx, [esp + 0x34]
push ecx
push dword [esp + 0x68]
push eax
push ebp
push ebx
call fcn.00518ae0
add esp, 0x14
test eax, eax
jne 0x520146
cmp dword [esp + 0x34], esi
jne 0x520146
mov esi, dword [esp + 0x20]
lea eax, [esp + 0x18]
jmp 0x51fe90
push pe_nt_image_headers32
lea eax, [esp + 0xc4]
push eax
push esi
call fcn.00512620
push eax
push str.InitializeSecurityContext
push str.SSPI_error:__s_failed:__s
push dword [ebx]
call fcn.004f8bb0
mov eax, dword [esp + 0x3c]
push eax
call dword [0xa5e0bc]
add esp, 0x20
lea eax, [esp + 0x38]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x10]
call eax
lea eax, [esp + 0x18]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x24]
call eax
mov eax, dword [esp + 0x6c]
test eax, eax
je 0x5200d0
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
push str.Failed_to_initialise_security_context.
push edi
call fcn.004f8bb0
add esp, 8
mov eax, 7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x130
ret
push str.Failed_to_send_SSPI_authentication_token.
push edi
call fcn.004f8bb0
mov eax, dword [esp + 0x28]
push eax
call dword [0xa5e0bc]
mov eax, dword [esp + 0x3c]
add esp, 0xc
test eax, eax
je 0x52011a
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [esp + 0x6c]
test eax, eax
je 0x52012d
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
lea eax, [esp + 0x38]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x10]
jmp 0x52083e
push str.Failed_to_send_SSPI_authentication_request.
jmp 0x5200f3
push str.Failed_to_receive_SSPI_authentication_token.
push edi
call fcn.004f8bb0
mov eax, dword [esp + 0x28]
push eax
call dword [0xa5e0bc]
add esp, 0xc
jmp 0x52011a
mov eax, dword [esp + 0x20]
push eax
call dword [0xa5e0bc]
add esp, 4
lea eax, [esp + 0x38]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x10]
call eax
lea eax, [esp + 0x18]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x24]
call eax
pop edi
pop esi
pop ebp
mov eax, 0x1b
pop ebx
add esp, 0x130
ret
movzx eax, al
push eax
movzx eax, byte [esp + 0x14]
push eax
push str.Invalid_SSPI_authentication_response_type___u__u_.
push edi
call fcn.004f8bb0
mov eax, dword [esp + 0x30]
push eax
call dword [0xa5e0bc]
add esp, 0x14
lea eax, [esp + 0x38]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x10]
jmp 0x52083e
movzx eax, byte [esp + 0x10]
push 0xff
push eax
push str.User_was_rejected_by_the_SOCKS5_server___u__u_.
jmp 0x5201ac
push str.Failed_to_receive_SSPI_authentication_response.
push edi
call fcn.004f8bb0
mov eax, dword [esp + 0x28]
push eax
call dword [0xa5e0bc]
add esp, 0xc
lea eax, [esp + 0x38]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x10]
jmp 0x52083e
mov eax, dword [esp + 0x20]
push eax
call dword [0xa5e0bc]
add esp, 4
lea eax, [esp + 0x70]
push eax
push 1
lea eax, [esp + 0x40]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 8]
call eax
mov ecx, dword [0xa64a70]
mov esi, eax
lea eax, [esp + 0x38]
push eax
mov ecx, dword [ecx + 0x10]
call ecx
push str.QueryCredentialAttributes
push esi
push ebx
call fcn.00520860
add esp, 0xc
test eax, eax
je 0x520293
lea eax, [esp + 0x18]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x24]
call eax
mov eax, dword [0xa64a70]
push dword [esp + 0x70]
mov eax, dword [eax + 0x40]
call eax
push str.Failed_to_determine_user_name.
push edi
call fcn.004f8bb0
add esp, 8
mov eax, 7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x130
ret
push dword [esp + 0x70]
push str.SOCKS5_server_authencticated_user__s_with_GSS_API._n
push edi
call fcn.004f8c70
mov eax, dword [0xa64a70]
add esp, 0xc
push dword [esp + 0x70]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [esp + 0x78]
mov word [esp + 0x10], 0x201
test al, 0x10
jne 0x5202d7
test eax, 0x10000
jne 0x5202d0
mov eax, 0x558294
jmp 0x5202dc
mov eax, str.integrity
jmp 0x5202dc
mov eax, str.confidentiality
push eax
push str.SOCKS5_server_supports_GSS_API__s_data_protection._n
push edi
call fcn.004f8c70
add esp, 0xc
cmp byte [edi + 0xa9c], 0
je 0x5202fb
push 1
jmp 0x52053d
lea eax, [esp + 0xb0]
push eax
push 0
lea eax, [esp + 0x20]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x2c]
call eax
push str.QueryContextAttributes
push eax
push ebx
call fcn.00520860
add esp, 0xc
test eax, eax
jne 0x520422
mov eax, dword [esp + 0xbc]
push eax
mov dword [esp + 0x44], eax
mov dword [esp + 0x48], 2
call dword [0xa5e0b8]
add esp, 4
mov dword [esp + 0x48], eax
test eax, eax
je 0x52017e
push 1
mov dword [esp + 0x50], 1
call dword [0xa5e0b8]
add esp, 4
mov dword [esp + 0x54], eax
test eax, eax
jne 0x520380
mov eax, dword [0xa64a70]
push dword [esp + 0x48]
mov eax, dword [eax + 0x40]
jmp 0x52017c
mov byte [eax], 0
mov eax, dword [esp + 0xb8]
push eax
mov dword [esp + 0x60], 9
mov dword [esp + 0x5c], eax
call dword [0xa5e0b8]
add esp, 4
mov dword [esp + 0x60], eax
test eax, eax
jne 0x5203c7
mov eax, dword [0xa64a70]
push dword [esp + 0x48]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [0xa64a70]
push dword [esp + 0x54]
mov eax, dword [eax + 0x40]
jmp 0x52017c
push 0
lea eax, [esp + 0x80]
push eax
push reloc.WS2_32.dll_accept
lea eax, [esp + 0x24]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x64]
call eax
push str.EncryptMessage
push eax
push ebx
call fcn.00520860
add esp, 0xc
test eax, eax
je 0x52044f
mov eax, dword [0xa64a70]
push dword [esp + 0x48]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [0xa64a70]
push dword [esp + 0x54]
mov eax, dword [eax + 0x40]
call eax
push dword [esp + 0x60]
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
lea eax, [esp + 0x18]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x24]
call eax
push str.Failed_to_query_security_context_attributes.
push edi
call fcn.004f8bb0
add esp, 8
mov eax, 7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x130
ret
mov eax, dword [esp + 0x58]
add eax, dword [esp + 0x4c]
add eax, dword [esp + 0x40]
push eax
mov dword [esp + 0x2c], eax
call dword [0xa5e0b8]
add esp, 4
mov dword [esp + 0x30], eax
test eax, eax
jne 0x52049e
mov eax, dword [0xa64a70]
push dword [esp + 0x48]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [0xa64a70]
push dword [esp + 0x54]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [0xa64a70]
push dword [esp + 0x60]
mov eax, dword [eax + 0x40]
jmp 0x52017c
push dword [esp + 0x40]
push dword [esp + 0x4c]
push eax
call sub.MSVCRT.dll_memcpy
push dword [esp + 0x58]
mov eax, dword [esp + 0x50]
push dword [esp + 0x64]
add eax, dword [esp + 0x44]
push eax
call sub.MSVCRT.dll_memcpy
push dword [esp + 0x70]
mov eax, dword [esp + 0x68]
add eax, dword [esp + 0x5c]
push dword [esp + 0x7c]
add eax, dword [esp + 0x50]
push eax
call sub.MSVCRT.dll_memcpy
mov eax, dword [0xa64a70]
add esp, 0x24
push dword [esp + 0x48]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [0xa64a70]
push dword [esp + 0x54]
mov dword [esp + 0x4c], 0
mov dword [esp + 0x44], 0
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [0xa64a70]
push dword [esp + 0x60]
mov dword [esp + 0x58], 0
mov dword [esp + 0x50], 0
mov eax, dword [eax + 0x40]
call eax
push dword [esp + 0x28]
mov dword [esp + 0x64], 0
mov dword [esp + 0x5c], 0
call dword [sym.imp.WS2_32.dll_htons]
mov word [esp + 0x12], ax
lea eax, [esp + 0x24]
push eax
push 4
lea eax, [esp + 0x18]
push eax
push ebp
push ebx
call fcn.004f9020
add esp, 0x14
test eax, eax
jne 0x52081f
cmp dword [esp + 0x24], 4
jne 0x52081f
cmp byte [edi + 0xa9c], 0
lea eax, [esp + 0x24]
push eax
je 0x5205b3
push 1
lea eax, [esp + 0x18]
mov byte [esp + 0x18], 0
push eax
push ebp
push ebx
call fcn.004f9020
add esp, 0x14
test eax, eax
jne 0x5205a0
cmp dword [esp + 0x24], 1
je 0x5205ee
push str.Failed_to_send_SSPI_encryption_type.
push edi
call fcn.004f8bb0
add esp, 8
jmp 0x520840
push dword [esp + 0x2c]
push dword [esp + 0x38]
push ebp
push ebx
call fcn.004f9020
add esp, 0x14
test eax, eax
jne 0x520818
mov eax, dword [esp + 0x28]
cmp eax, dword [esp + 0x24]
jne 0x520818
mov eax, dword [esp + 0x30]
test eax, eax
je 0x5205ee
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
lea eax, [esp + 0x34]
push eax
push 4
lea eax, [esp + 0x18]
push eax
push ebp
push ebx
call fcn.00518ae0
add esp, 0x14
test eax, eax
jne 0x520808
cmp dword [esp + 0x34], 4
jne 0x520808
mov al, byte [esp + 0x11]
cmp al, 0xff
jne 0x52063d
movzx eax, byte [esp + 0x10]
push 0xff
push eax
push str.User_was_rejected_by_the_SOCKS5_server___u__u_.
push edi
call fcn.004f8bb0
add esp, 0x10
jmp 0x520840
cmp al, 2
je 0x52065e
movzx eax, al
push eax
movzx eax, byte [esp + 0x14]
push eax
push str.Invalid_SSPI_encryption_response_type___u__u_.
push edi
call fcn.004f8bb0
add esp, 0x10
jmp 0x520840
push dword [esp + 0x12]
call dword [sym.imp.WS2_32.dll_ntohs]
movzx esi, ax
push esi
mov dword [esp + 0x44], esi
call dword [0xa5e0b8]
add esp, 4
mov dword [esp + 0x48], eax
test eax, eax
je 0x52017e
lea ecx, [esp + 0x34]
push ecx
push dword [esp + 0x44]
push eax
push ebp
push ebx
call fcn.00518ae0
add esp, 0x14
test eax, eax
jne 0x5207f4
cmp dword [esp + 0x34], esi
jne 0x5207f4
cmp byte [edi + 0xa9c], al
jne 0x520785
mov dword [esp + 0x4c], eax
mov dword [esp + 0x54], eax
lea eax, [esp + 0xa4]
push eax
push 0
lea eax, [esp + 0x84]
mov dword [esp + 0x88], 2
push eax
lea eax, [esp + 0x24]
mov dword [esp + 0x50], 0xa
push eax
mov eax, dword [0xa64a70]
mov dword [esp + 0x60], 1
mov eax, dword [eax + 0x68]
call eax
push str.DecryptMessage
push eax
push ebx
call fcn.00520860
add esp, 0xc
test eax, eax
je 0x520733
mov eax, dword [esp + 0x48]
test eax, eax
je 0x520721
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [esp + 0x54]
test eax, eax
je 0x520422
push eax
jmp 0x520418
mov eax, dword [esp + 0x4c]
cmp eax, 1
je 0x520767
push eax
push str.Invalid_SSPI_encryption_response_length___lu_.
push edi
call fcn.004f8bb0
mov eax, dword [esp + 0x54]
add esp, 0xc
test eax, eax
je 0x52075e
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
mov eax, dword [esp + 0x54]
jmp 0x520831
mov eax, dword [esp + 0x54]
push dword [esp + 0x48]
mov al, byte [eax]
mov byte [esp + 0x14], al
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
push dword [esp + 0x54]
jmp 0x5207b1
mov eax, dword [esp + 0x40]
cmp eax, 1
je 0x5207a6
push eax
push str.Invalid_SSPI_encryption_response_length___lu_.
push edi
call fcn.004f8bb0
add esp, 0xc
push dword [esp + 0x48]
jmp 0x520836
mov ecx, dword [esp + 0x48]
push ecx
mov al, byte [ecx]
mov byte [esp + 0x14], al
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
mov al, byte [esp + 0x10]
test al, al
jne 0x5207ca
mov eax, str.out_GSS_API_data
jmp 0x5207d8
cmp al, 1
mov eax, str._GSS_API_integrity
je 0x5207d8
mov eax, str._GSS_API_confidentiality
push eax
push str.SOCKS5_access_with_s_protection_granted._n
push edi
call fcn.004f8c70
add esp, 0xc
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x130
ret
push str.Failed_to_receive_SSPI_encryption_type.
push edi
call fcn.004f8bb0
add esp, 8
push dword [esp + 0x48]
jmp 0x520836
push str.Failed_to_receive_SSPI_encryption_response.
push edi
call fcn.004f8bb0
add esp, 8
jmp 0x520840
push str.Failed_to_send_SSPI_encryption_type.
jmp 0x520824
push str.Failed_to_send_SSPI_encryption_request.
push edi
call fcn.004f8bb0
mov eax, dword [esp + 0x38]
add esp, 8
test eax, eax
je 0x520840
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x40]
call eax
lea eax, [esp + 0x18]
push eax
mov eax, dword [0xa64a70]
mov eax, dword [eax + 0x24]
call eax
pop edi
pop esi
pop ebp
mov eax, 7
pop ebx
add esp, 0x130
ret