joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49e1a0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor edx, edx
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, 0x1505
add eax, esi
mov ecx, eax
sub ecx, esi
push edi
xor edi, edi
cmp esi, eax
cmova ecx, edx
mov dword [ebp + 8], ecx
test ecx, ecx
je 0x49e1e9
mov al, byte [esi]
push eax
call fcn.004acf30
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, dword [ebp + 8]
jb 0x49e1c7
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret

Function at 0x49f410
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x49f42e
cmp dword [esi + 0x6c], 0
je 0x49f42e
push 2
push 3
push esi
call fcn.004ad4f0
add esp, 0xc
push dword [ebp + 0xc]
call fcn.004ad950
add esp, 4
test esi, esi
je 0x49f44e
cmp dword [esi + 0x6c], 0
je 0x49f44e
push 3
push esi
call fcn.004ad530
add esp, 8
pop esi
pop ebp
ret
Function at 0x4a92c0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, dword [ebp + 8]
cmp dword [edi + 0x1d0], 0
je 0x4a9304
push esi
push 1
push edi
call fcn.0049a6d0
push dword [edi + 0x15c]
mov eax, dword [edi + 0x1d0]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.0049a6d0
add esp, 0x24
mov eax, esi
pop esi
pop edi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x4a933a
push dword [edi + 0x158]
lea eax, [eax + eax*2]
push 1
add eax, 0x5da8b0
push 2
push eax
call fcn.0059a996
push dword [edi + 0x158]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.0059a996
add esp, 0x20
xor eax, eax
pop edi
pop ebp
ret

Function at 0x4a96f0
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 + 0x1a8]
call fcn.004a9c00
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 0x4a9774
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4a974c
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.00499a40
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004a9340
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x48d4], esi
mov eax, dword [ebp + 0x18]
mov dword [eax], 0x37
pop edi
pop esi
mov eax, ebx
pop ebx
pop ebp
ret

Function at 0x4a9c00
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
mov eax, ecx
push ebx
mov ebx, dword [ebp + 8]
push esi
shl eax, 4
push edi
mov edx, dword [ebx + ecx*4 + 0x1a8]
lea esi, [ebx + 0x1cc]
add esi, eax
mov dword [ebp + 8], edx
mov eax, dword [ebx + 0x2c8]
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x4a9cbd
cmp dword [ebx + ecx*4 + 0x1bc], 0x4a9640
jne 0x4a9cbd
cmp dword [esi], 0
je 0x4a9c4f
test edi, edi
je 0x4a9cbd
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push edx
call fcn.004a8e70
add esp, 0x14
cmp eax, 0xffffffff
je 0x4a9cbd
test al, 1
je 0x4a9cbd
cmp dword [esi], 0
jne 0x4a9ca4
mov eax, dword [ebx]
mov eax, dword [eax + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x63f320]
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 0x4a9ca4
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 dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4a9cbd
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4a9db0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp byte [eax + 0x1ec], 0
je 0x4a9dd0
push eax
call fcn.004a2360
add esp, 4
test eax, eax
jne 0x4a9df2
xor al, al
pop ebp
ret
mov eax, dword [eax + 0x1a8]
cmp eax, 0xffffffff
je 0x4a9dcc
push 2
push 1
lea ecx, [ebp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x4a9df2
xor al, al
pop ebp
ret
mov al, 1
pop ebp
ret

Function at 0x4aa560
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x64c728]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x4aa5b1
push 3
push 2
push eax
push 6
call fcn.004ce770
add esp, 0x10
test al, al
je 0x4aa5a5
mov dword [0x64c728], 2
mov esp, ebp
pop ebp
ret
mov dword [0x64c728], 1
jmp 0x4aa5b6
cmp eax, 2
je 0x4aa5f6
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 0x4aa5dd
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x4aa5f6
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 0x4aa6d0
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 0x4aa718
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.00499a40
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004a9420
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004a9420
add esp, 8
pop edi
pop esi
pop ebp
ret
Function at 0x4aa850
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10c
mov eax, dword [0x64306c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push edi
cmp dword [ebx + 0x94], 2
mov edi, dword [ebx]
mov dword [ebp - 0x10c], edi
je 0x4aaa4d
cmp byte [ebx + 0x282], 0
push esi
jne 0x4aaa43
cmp byte [ebx + 0x29e], 0
jne 0x4aaa43
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 0x4aa8ee
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00499a40
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push edi
call fcn.004a9340
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
push 0x80
lea eax, [ebp - 0x84]
mov dword [ebp - 0x108], 0x80
push 0
push eax
call fcn.00596fa0
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 0x4aa957
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00499a40
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push edi
call fcn.004a9340
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
lea eax, [ebx + 0x138]
push eax
lea esi, [ebx + 0x10a]
lea eax, [ebp - 0x104]
push esi
push eax
call fcn.004a9fb0
add esp, 0xc
test al, al
jne 0x4aa9b5
call fcn.0059af02
mov esi, eax
call fcn.0059af02
push dword [esi]
mov edi, eax
push ebx
call fcn.00499a40
push eax
push dword [edi]
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push dword [ebp - 0x10c]
call fcn.004a9340
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
movups xmm0, xmmword [esi]
mov eax, dword [esi + 0x28]
movups xmmword [ebx + 0x60], xmm0
movups xmm0, xmmword [esi + 0x10]
movups xmmword [ebx + 0x70], xmm0
movq xmm0, qword [esi + 0x20]
movq qword [ebx + 0x80], xmm0
mov dword [ebx + 0x88], eax
mov ax, word [esi + 0x2c]
mov word [ebx + 0x8c], ax
lea eax, [ebx + 0x16c]
push eax
lea eax, [ebx + 0x13c]
push eax
lea eax, [ebp - 0x84]
push eax
call fcn.004a9fb0
add esp, 0xc
test al, al
jne 0x4aaa43
call fcn.0059af02
mov esi, eax
call fcn.0059af02
push dword [esi]
mov edi, eax
push ebx
call fcn.00499a40
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push dword [ebp - 0x10c]
call fcn.004a9340
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
push ebx
call fcn.004aa480
add esp, 4
pop esi
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
Function at 0x4ab2c0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x64306c]
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 + 0x65c], 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 0x4ab31d
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004a9420
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
push dword [esi + 0x660]
mov dword [ebp - 0x10], 1
call fcn.004ab500
push dword [esi + 0x664]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.004ab500
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 0x4ab38d
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.004a9420
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0057e11e
mov esp, ebp
pop ebp
ret

Function at 0x4ab4e0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.00423420
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.005af176
Function at 0x4b7be0
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 0x4b7d5b
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x4b7d47
push esi
nop dword [eax]
cmp dword [edi + 4], 2
jne 0x4b7cd8
cmp dword [edi + 0x18], 0
je 0x4b7cd8
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4b7cd8
cmp eax, 0x10
jb 0x4b7cd8
push 0x20
call dword [0x63f320]
mov esi, eax
add esp, 4
test esi, esi
je 0x4b7d3c
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 [0x63f320]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4b7d2b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4b7cc6
push eax
call dword [0x63f32c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4b7d11
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4b7cd5
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4b7c20
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x4b7cf5
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x4b7d43
push ebx
call fcn.004b7ba0
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 [0x63f324]
push esi
call dword [0x63f324]
add esp, 8
jmp 0x4b7ce6
push esi
mov edi, 8
call dword [0x63f324]
add esp, 4
jmp 0x4b7ce6
mov edi, 8
jmp 0x4b7ce6
test ebx, ebx
jne 0x4b7d53
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 0x4b7f80
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.0059ec81
add esp, 0x18
test eax, eax
je 0x4b7fa2
cmp eax, 0xffffffff
jne 0x4b7fa4
xor eax, eax
pop ebp
ret
Function at 0x4b8a20
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1d0
mov eax, dword [0x64306c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x64c86c], 0
push ebx
mov ebx, dword [ebp + 8]
mov dword [ebp - 0x160], ebx
jne 0x4b8a56
call fcn.004bb4f0
test al, al
je 0x4b8a67
mov byte [0x64c86c], 1
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
mov eax, dword [ebx + 0x5cc]
test eax, eax
je 0x4b8a88
push 0x400
push eax
call fcn.004dedd0
add esp, 8
call fcn.004bb4f0
test al, al
jne 0x4b8a56
push esi
push edi
nop word [eax + eax]
mov esi, 2
mov dword [ebp - 0x150], 4
lea eax, [ebp - 0x44]
mov dword [ebp - 0x148], esi
mov dword [ebp - 0x14c], eax
nop
lea eax, [ebp - 0x190]
push eax
call fcn.004ad570
push 1
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x180], xmm0
movups xmmword [ebp - 0x170], xmm0
call fcn.004a9260
movups xmm1, xmmword [ebp - 0x180]
add esp, 8
lea ecx, [esi - 1]
movaps xmm0, xmm1
psrldq xmm0, 4
movd eax, xmm0
push eax
movd eax, xmm1
push eax
push 0
push ecx
call fcn.0057f1f0
imul esi, dword [ebp - 0x168]
mov ebx, eax
lea eax, [ebp - 0x1a0]
mov dword [ebp - 0x154], edx
push eax
mov dword [ebp - 0x158], esi
call fcn.004ad570
mov eax, dword [eax + 8]
cdq
mov esi, eax
mov edi, edx
lea eax, [ebp - 0x1b0]
push eax
call fcn.004ad570
mov edx, dword [ebp - 0x148]
add esp, 8
inc edx
mov dword [ebp - 0x15c], edx
mov ecx, dword [eax]
mov eax, dword [eax + 4]
add ecx, esi
push 0
push edx
adc eax, edi
push eax
push ecx
call fcn.0057f1f0
shld edx, eax, 8
shl eax, 8
xor ebx, eax
mov eax, dword [ebp - 0x154]
xor eax, edx
mov dword [ebp - 0x170], ebx
mov dword [ebp - 0x16c], eax
lea eax, [ebp - 0x1c0]
push eax
call fcn.004ad570
lea esi, [eax + 8]
lea eax, [ebp - 0x1d0]
push eax
call fcn.004ad570
add esp, 8
mov ecx, dword [eax]
add ecx, dword [esi]
mov eax, dword [ebp - 0x148]
mov esi, dword [ebp - 0x15c]
add eax, 2
imul ecx, eax
mov eax, dword [ebp - 0x158]
mov dword [ebp - 0x148], esi
shl ecx, 0x10
xor eax, ecx
mov dword [ebp - 0x168], eax
mov eax, dword [ebp - 0x14c]
movups xmm0, xmmword [ebp - 0x170]
movups xmmword [eax], xmm0
add eax, 0x10
sub dword [ebp - 0x150], 1
mov dword [ebp - 0x14c], eax
jne 0x4b8ab0
movsd xmm0, qword [0x5de100]
lea eax, [ebp - 0x44]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004deb10
add esp, 0x10
call fcn.004bb4f0
test al, al
je 0x4b8a90
lea eax, [ebp - 0x144]
mov byte [ebp - 0x144], 0
push 0x100
push eax
call fcn.004ded00
add esp, 8
cmp byte [ebp - 0x144], 0
pop edi
pop esi
je 0x4b8c53
lea eax, [ebp - 0x144]
push 0x400
push eax
call fcn.004dedd0
add esp, 8
call fcn.004bb4f0
test al, al
jne 0x4b8a56
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [ebp - 0x160]
call fcn.004a9420
add esp, 8
call fcn.004bb4f0
xor edx, edx
mov ecx, 0x23
test al, al
pop ebx
cmovne ecx, edx
mov eax, ecx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
Function at 0x4bcc70
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x64306c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push eax
call fcn.005a9e10
add esp, 4
mov byte [ebp - 0x108], 0
test eax, eax
je 0x4bccd4
push 0x104
lea ecx, [ebp - 0x108]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [ebp - 0x108], 0
je 0x4bccd4
lea eax, [ebp - 0x108]
push eax
call dword [0x63f32c]
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret

Function at 0x4bccf0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004bcc70
Function at 0x4c2240
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x64306c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea ecx, [ebp - 0x18]
push ecx
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x18], 0x10
push ecx
mov eax, dword [edi + 0x1ac]
or esi, 0xffffffff
mov ebx, dword [edi]
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4c2298
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 esi, eax
push dword [ebp - 0x1c]
push edi
call fcn.004a9cd0
add esp, 8
cmp esi, 0xffffffff
jne 0x4c22cd
push str.Error_accept__ing_server_connect
push ebx
call fcn.004a9340
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004a9420
push 1
mov byte [edi + 0x28c], 0
push esi
mov dword [edi + 0x1ac], esi
call fcn.004ce5f0
add esp, 0x10
mov byte [edi + 0x1b9], 1
cmp dword [ebx + 0x1d8], 0
je 0x4c2349
push 1
push ebx
call fcn.0049a6d0
mov eax, dword [ebx + 0x1d8]
push 1
push esi
push dword [ebx + 0x1dc]
call eax
push 0
push ebx
mov esi, eax
call fcn.0049a6d0
add esp, 0x1c
test esi, esi
je 0x4c2349
push edi
call fcn.004c27b0
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
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.0057e11e
mov esp, ebp
pop ebp
ret

Function at 0x4c4720
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
lea eax, [ecx - 0xc8]
mov edx, dword [edi]
cmp eax, 0x64
jb 0x4c474f
push str.Couldnt_set_desired_mode
push edx
call fcn.004a9340
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebp
ret
cmp ecx, 0xc8
je 0x4c4766
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push edx
call fcn.004a9420
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4c477d
push edi
call fcn.004c4480
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x14
jne 0x4c4791
push edi
call fcn.004c34e0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x15
jne 0x4c47a5
push edi
call fcn.004c4460
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x16
jne 0x4c47b5
push edi
call fcn.004c4600
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebp
ret
Function at 0x4c7760
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x64306c]
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 0x4c77ad
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004a9340
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4c77d5
shr eax, 8
test al, al
jne 0x4c77d5
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0057e11e
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004a9340
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.0057e11e
mov esp, ebp
pop ebp
ret

Function at 0x4c8000
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 + 0x1a8]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c8048
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a9340
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004c78f0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4c8170
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
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 + 0x150]
jne 0x4c82c6
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4c81a7
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c81b2
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c81bd
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
mov word [ebp - 0xc], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [ebp - 0x14], ax
cmp ecx, edi
jae 0x4c81ed
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c81fa
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c8207
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c8214
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c821f
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c822a
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.004c79f0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c8282
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a9340
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004c8060
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4c82c5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a9340
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret