joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49c460
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov ebx, edx
mov dword [ebp - 4], ecx
mov esi, dword [edi]
test esi, esi
je 0x49c4bf
mov dword [edi], 0
mov edx, 0x400000
push 0
lea eax, [ebp + 8]
mov dword [ebp + 8], 0
push eax
cmp esi, 0x400000
mov eax, esi
cmova eax, edx
push eax
push ebx
push dword [ecx]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, dword [ebp + 8]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x49c4c8
test ecx, ecx
je 0x49c4bf
mov ecx, dword [ebp - 4]
mov edx, 0x400000
test esi, esi
jne 0x49c480
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x49c710
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
xor eax, eax
push esi
push edi
nop word [eax + eax]
mov edx, eax
mov ecx, eax
and edx, 1
shr ecx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov edx, ecx
shr ecx, 1
and edx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov edx, ecx
shr ecx, 1
and edx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov edx, ecx
shr ecx, 1
and edx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov dword [eax*4 + 0x67cee0], ecx
inc eax
cmp eax, 0x100
jb 0x49c720
cmp eax, 0x800
jae 0x49c7f3
nop dword [eax]
mov edx, dword [eax*4 + 0x67cae0]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x67cee0]
mov dword [eax*4 + 0x67cee0], edx
inc eax
cmp eax, 0x800
jb 0x49c7d0
lea ecx, [ebp - 0x20]
mov dword [0x67c510], 0x49d4a0
call fcn.0049d5a0
test eax, eax
je 0x49c87d
mov edi, dword [ebp - 0x10]
lea ecx, [ebp - 0x20]
mov esi, edi
shr edi, 4
shr esi, 8
and edi, 0xf00f
and esi, 0xff00f
call fcn.0049d630
sub eax, 0
je 0x49c864
sub eax, 1
je 0x49c853
sub eax, 1
jne 0x49c87d
cmp esi, 6
jb 0x49c87d
jne 0x49c873
cmp edi, 0xf
jb 0x49c87d
mov dword [0x67c510], 0x49d540
pop edi
pop esi
mov esp, ebp
pop ebp
ret
cmp esi, 5
jb 0x49c87d
jne 0x49c873
cmp edi, 6
jb 0x49c87d
cmp edi, 0xa
jmp 0x49c871
cmp esi, 6
jb 0x49c87d
jne 0x49c873
cmp edi, 0x100c
je 0x49c87d
mov dword [0x67c510], 0x49d540
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x49f1e0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov eax, dword [ebp + 0xc]
push edi
xor edi, edi
mov dword [ebp - 4], ecx
mov eax, dword [eax]
and eax, 7
cmp edx, 5
jae 0x49f200
xor eax, eax
pop edi
mov esp, ebp
pop ebp
ret
push ebx
add edx, 0xfffffffc
or ebx, 0xffffffff
add edx, ecx
push esi
mov dword [ebp - 8], edx
nop dword [eax]
lea esi, [edi + ecx]
cmp esi, edx
jae 0x49f229
mov cl, byte [esi]
and cl, 0xfe
cmp cl, 0xe8
je 0x49f226
inc esi
cmp esi, edx
jb 0x49f217
mov ecx, dword [ebp - 4]
mov edi, esi
sub edi, ecx
mov ecx, edi
sub ecx, ebx
cmp esi, edx
jae 0x49f339
cmp ecx, 3
jbe 0x49f268
xor eax, eax
mov cl, byte [esi + 4]
mov ebx, edi
mov dword [ebp - 0x10], ebx
test cl, cl
je 0x49f2a6
cmp cl, 0xff
je 0x49f2a6
mov edx, dword [ebp - 8]
and eax, 3
add eax, eax
mov ecx, 1
or eax, 1
add edi, ecx
mov ecx, dword [ebp - 4]
jmp 0x49f210
dec ecx
shl eax, cl
and eax, 7
je 0x49f240
movzx ecx, byte [eax + 0x631834]
mov edx, esi
sub edx, ecx
cmp byte [eax + 0x6317a4], 0
mov cl, byte [edx + 4]
je 0x49f290
test cl, cl
je 0x49f290
cmp cl, 0xff
jne 0x49f240
mov edx, dword [ebp - 8]
and eax, 3
mov ecx, dword [ebp - 4]
add eax, eax
mov ebx, edi
or eax, 1
inc edi
jmp 0x49f210
movzx edx, cl
movzx ecx, byte [esi + 3]
shl edx, 8
or edx, ecx
movzx ecx, byte [esi + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [esi + 1]
shl edx, 8
or edx, ecx
sub edx, edi
lea ebx, [edx - 5]
test eax, eax
je 0x49f302
movzx edx, byte [eax + 0x631834]
mov ecx, 0x18
shl edx, 3
sub ecx, edx
mov dword [ebp - 0xc], edx
mov edx, ebx
shr edx, cl
test dl, dl
je 0x49f2ee
cmp dl, 0xff
jne 0x49f302
mov ecx, 0x20
mov edx, 1
sub ecx, dword [ebp - 0xc]
shl edx, cl
dec edx
xor edx, ebx
jmp 0x49f2c4
mov edx, dword [ebp - 8]
mov ecx, ebx
shr ecx, 0x18
and cl, 1
mov byte [esi + 1], bl
dec cl
not cl
mov byte [esi + 4], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [esi + 3], cl
mov ecx, ebx
mov ebx, dword [ebp - 0x10]
shr ecx, 8
mov byte [esi + 2], cl
mov ecx, 5
add edi, ecx
mov ecx, dword [ebp - 4]
jmp 0x49f210
pop esi
pop ebx
cmp ecx, 3
jbe 0x49f34e
mov ecx, dword [ebp + 0xc]
xor eax, eax
mov dword [ecx], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
dec ecx
shl eax, cl
mov ecx, dword [ebp + 0xc]
and eax, 7
mov dword [ecx], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret

Function at 0x49fa00
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x6619c4]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x194]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x49fa50
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x49fa4a
shr eax, 8
cmp al, 2
jne 0x49fa4a
xor eax, eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [ebp - 4]
mov eax, 2
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
Function at 0x4a45b0
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x4a45ce
cmp dword [esi + 0x48], 0
je 0x4a45ce
push 2
push 3
push esi
call fcn.004b9210
add esp, 0xc
push dword [ebp + 0xc]
call fcn.004b0890
add esp, 4
test esi, esi
je 0x4a45ee
cmp dword [esi + 0x48], 0
je 0x4a45ee
push 3
push esi
call fcn.004b9250
add esp, 8
pop esi
pop ebp
ret
Function at 0x4a5490
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004bb650
Function at 0x4ae9a0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
push eax
push edi
mov esi, dword [edi + eax*4 + 0x1a0]
call fcn.004aec80
add esp, 8
push 0
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebx, eax
mov eax, dword [ebp + 0x18]
mov dword [eax], 0
cmp ebx, 0xffffffff
jne 0x4aea24
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4ae9fc
mov eax, dword [ebp + 0x18]
pop edi
pop esi
pop ebx
mov dword [eax], 0x51
xor eax, eax
pop ebp
ret
push esi
push edi
call fcn.004bace0
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004ae610
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x8658], esi
mov eax, dword [ebp + 0x18]
mov dword [eax], 0x37
pop edi
pop esi
mov eax, ebx
pop ebx
pop ebp
ret

Function at 0x4aec80
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
mov eax, edx
push ebx
push esi
shl eax, 4
lea esi, [ecx + 0x1c4]
mov ebx, dword [ecx + edx*4 + 0x1a0]
add esi, eax
mov eax, dword [ecx + 0x2c0]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x3c], 3
je 0x4aed36
cmp dword [ecx + edx*4 + 0x1b4], 0x4ae8f0
jne 0x4aed36
cmp dword [esi], 0
je 0x4aeccc
test edi, edi
je 0x4aed36
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.004adf30
add esp, 0x14
cmp eax, 0xffffffff
je 0x4aed36
test al, 1
je 0x4aed36
cmp dword [esi], 0
jne 0x4aed1f
push 0x8000
mov dword [esi + 4], 0x8000
call dword [section..data]
mov edi, dword [esi + 4]
add esp, 4
mov dword [esi], eax
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test eax, eax
jne 0x4aed1f
pop edi
mov dword [esi + 4], eax
pop esi
pop ebx
pop ebp
ret
mov eax, dword [esi]
add eax, dword [esi + 8]
push 0
push edi
push eax
push ebx
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4aed36
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x4aed40
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0x190]
test eax, eax
je 0x4aed69
push dword [esi + 0x11c]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push esi
call eax
add esp, 0x14
pop esi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x4aed9f
push dword [esi + 0x118]
lea eax, [eax + eax*2]
push 1
add eax, 0x5dcb40
push 2
push eax
call fcn.005b56cd
push dword [esi + 0x118]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.005b56cd
add esp, 0x20
xor eax, eax
pop esi
pop ebp
ret

Function at 0x4aee80
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp byte [eax + 0x1e4], 0
je 0x4aeea0
push eax
call fcn.004a5490
add esp, 4
test eax, eax
jne 0x4aeec2
xor al, al
pop ebp
ret
mov eax, dword [eax + 0x1a0]
cmp eax, 0xffffffff
je 0x4aee9c
push 2
push 1
lea ecx, [ebp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x4aeec2
xor al, al
pop ebp
ret
mov al, 1
pop ebp
ret
Function at 0x4af590
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x667e34]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x4af5e1
push 3
push 2
push eax
push 6
call fcn.004d1720
add esp, 0x10
test al, al
je 0x4af5d5
mov dword [0x667e34], 2
mov esp, ebp
pop ebp
ret
mov dword [0x667e34], 1
jmp 0x4af5e6
cmp eax, 2
je 0x4af626
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 4]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x4af60d
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x4af626
push 4
lea eax, [ebp - 8]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_setsockopt]
mov esp, ebp
pop ebp
ret

Function at 0x4af6f0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp + 8]
push 4
push eax
push 1
mov esi, dword [edi]
push 6
push dword [ebp + 0xc]
mov dword [ebp + 8], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4af738
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004bace0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004ae6b0
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004ae6b0
add esp, 8
pop edi
pop esi
pop ebp
ret
Function at 0x4af830
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6619c4]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push edi
mov edi, dword [ebp + 8]
cmp dword [edi + 0x8c], 2
mov ebx, dword [edi]
je 0x4afa0a
cmp byte [edi + 0x286], 0
push esi
jne 0x4afa00
cmp byte [edi + 0x2a2], 0
jne 0x4afa00
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x104]
mov dword [ebp - 0x108], 0x80
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4af8c8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004bace0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004ae610
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
push 0x80
lea eax, [ebp - 0x84]
mov dword [ebp - 0x108], 0x80
push 0
push eax
call fcn.005a2910
add esp, 0xc
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x84]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4af931
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004bace0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004ae610
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0x140]
push eax
lea esi, [edi + 0x112]
lea eax, [ebp - 0x104]
push esi
push eax
call fcn.004aff10
add esp, 0xc
test al, al
jne 0x4af982
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004bace0
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004ae610
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
movups xmm0, xmmword [esi]
mov eax, dword [esi + 0x28]
movups xmmword [edi + 0x58], xmm0
movups xmm0, xmmword [esi + 0x10]
movups xmmword [edi + 0x68], xmm0
movq xmm0, qword [esi + 0x20]
movq qword [edi + 0x78], xmm0
mov dword [edi + 0x80], eax
mov ax, word [esi + 0x2c]
mov word [edi + 0x84], ax
lea eax, [edi + 0x174]
push eax
lea eax, [edi + 0x144]
push eax
lea eax, [ebp - 0x84]
push eax
call fcn.004aff10
add esp, 0xc
test al, al
jne 0x4afa00
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004bace0
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004ae610
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
push edi
call fcn.004af4b0
add esp, 4
pop esi
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.0058995a
mov esp, ebp
pop ebp
ret
Function at 0x4b02a0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x6619c4]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
xor eax, eax
push edi
mov edi, dword [ebp + 0xc]
push 4
cmp byte [esi + 0x48c], al
setne al
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4b02fd
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004ae6b0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
push dword [esi + 0x490]
mov dword [ebp - 0x10], 1
call fcn.004b80f0
push dword [esi + 0x494]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.004b80f0
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [ebp - 0x14], eax
mov dword [ebp - 8], eax
lea eax, [ebp - 0x18]
push eax
push 0
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4b036d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.004ae6b0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0058995a
mov esp, ebp
pop ebp
ret
Function at 0x4b80a0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.004b80d0
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.005c00ea

Function at 0x4ba940
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 4], ebx
mov dword [eax], ebx
lea eax, [ebp - 8]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [ebp - 0xc], eax
test eax, eax
jne 0x4baabb
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x4baaa7
push esi
nop dword [eax]
cmp dword [edi + 4], 2
jne 0x4baa38
cmp dword [edi + 0x18], 0
je 0x4baa38
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4baa38
cmp eax, 0x10
jb 0x4baa38
push 0x20
call dword [section..data]
mov esi, eax
add esp, 4
test esi, esi
je 0x4baa9c
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
push 0x10
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 0x10
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [section..data]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4baa8b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4baa26
push eax
call dword [0x65900c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4baa71
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4baa35
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4ba980
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x4baa55
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x4baaa3
push ebx
call fcn.004ba900
mov eax, dword [ebp + 0x14]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
push dword [esi + 0x18]
mov edi, 8
call dword [0x659004]
push esi
call dword [0x659004]
add esp, 8
jmp 0x4baa46
push esi
mov edi, 8
call dword [0x659004]
add esp, 4
jmp 0x4baa46
mov edi, 8
jmp 0x4baa46
test ebx, ebx
jne 0x4baab3
mov edi, 0x2af9
push edi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [ebp + 0x14]
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4bb4f0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call fcn.005b3d65
add esp, 0x18
test eax, eax
je 0x4bb512
cmp eax, 0xffffffff
jne 0x4bb514
xor eax, eax
pop ebp
ret
Function at 0x4c6350
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x6619c4]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x18]
push edi
push ecx
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x18], 0x10
mov eax, dword [esi + 0x1a4]
or edi, 0xffffffff
mov ebx, dword [esi]
push ecx
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4c63a8
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0x10
push eax
lea eax, [ebp - 0x14]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push dword [ebp - 0x1c]
push esi
call fcn.004aedb0
add esp, 8
cmp edi, 0xffffffff
jne 0x4c63dd
push str.Error_accept__ing_server_connect
push ebx
call fcn.004ae610
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004ae6b0
push 1
mov byte [esi + 0x290], 0
push edi
mov dword [esi + 0x1a4], edi
call fcn.004d1570
mov byte [esi + 0x1b1], 1
add esp, 0x10
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x4c6442
push 1
push edi
push dword [ebx + 0x19c]
call eax
add esp, 0xc
test eax, eax
je 0x4c6442
push esi
call fcn.004c68b0
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0058995a
mov esp, ebp
pop ebp
ret

Function at 0x4c8850
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
mov eax, 0x51eb851f
imul ecx
push ebx
sar edx, 5
push esi
mov eax, edx
xor esi, esi
push edi
mov edi, dword [ebp + 8]
shr eax, 0x1f
add eax, edx
mov ebx, dword [edi]
cmp eax, 2
je 0x4c888c
push str.Couldnt_set_desired_mode
push ebx
call fcn.004ae610
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x4c88a3
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push ebx
call fcn.004ae6b0
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4c88bb
push edi
call fcn.004c85f0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x4c88d0
push edi
call fcn.004c76e0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x4c88e5
push edi
call fcn.004c85d0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x4c88f5
push edi
call fcn.004c8730
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebx
pop ebp
ret
Function at 0x4caef0
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x6619c4]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x194]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4caf3d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004ae610
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4caf65
shr eax, 8
test al, al
jne 0x4caf65
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0058995a
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004ae610
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.0058995a
mov esp, ebp
pop ebp
ret

Function at 0x4cb7a0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push edi
push 0
mov byte [ebp + 0xa], al
lea eax, [ebp + 8]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x1a0]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4cb7e8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ae610
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004cb080
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4cb8c0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ecx
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
push ebx
mov eax, dword [eax]
mov dword [ebp - 4], eax
mov ebx, dword [eax + 0x114]
jne 0x4cba0c
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4cb8f5
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb900
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb90b
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [ebp + 0xc], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [ebp + 0xc]
movzx edx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb93c
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb946
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb950
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb95a
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb965
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4cb970
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea esi, [ebx + 0x1cb0]
mov dword [ebx + 0x1eb4], eax
sub eax, esi
sub eax, 2
mov dword [edi], esi
mov edi, dword [ebp - 4]
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.004cb180
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4cb9c8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ae610
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004cb800
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4cba0b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ae610
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret