joyce8/EMBER2024-capa huggingface dataset:
Function at 0x48dcf0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor 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 + 0x5b3f00], ecx
inc eax
cmp eax, 0x100
jb 0x48dcf2
cmp eax, 0x800
jae 0x48ddc3
nop
mov edx, dword [eax*4 + 0x5b3b00]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x5b3f00]
mov dword [eax*4 + 0x5b3f00], edx
inc eax
cmp eax, 0x800
jb 0x48dda0
mov dword [0x5af388], 0x4a5990
call fcn.004a57c0
mov ecx, dword [0x5af388]
test eax, eax
mov edx, 0x4a5a30
cmove ecx, edx
mov dword [0x5af388], ecx
ret

Function at 0x48de80
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 0x10]
mov esi, dword [edi]
test esi, esi
jne 0x48de94
pop edi
xor eax, eax
pop esi
pop ebp
ret
push ebx
mov ebx, dword [ebp + 0xc]
mov ecx, 0x400000
mov dword [edi], 0
push 0
lea eax, [ebp + 0x10]
mov dword [ebp + 0x10], 0
push eax
cmp esi, 0x400000
mov eax, esi
cmova eax, ecx
push eax
mov eax, dword [ebp + 8]
push ebx
push dword [eax]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, dword [ebp + 0x10]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x48dee9
test ecx, ecx
je 0x48dee2
mov ecx, 0x400000
test esi, esi
jne 0x48dea3
pop ebx
pop edi
xor eax, eax
pop esi
pop ebp
ret
pop ebx
pop edi
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
Function at 0x49e3c0
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x555efb
mov eax, dword fs:[0]
push eax
sub esp, 0x98
mov eax, dword [0x5aa464]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov esi, dword [ebp + 8]
lea eax, [ebp - 0xa4]
push eax
mov dword [edi + 0x10], esi
call fcn.0049dab0
mov esi, dword [esi + 0x6f0]
mov ecx, dword [edi + 0x10]
or esi, 0x40000080
call fcn.004570d0
test al, 1
je 0x49e41e
or esi, 1
jmp 0x49e425
test al, 2
je 0x49e425
or esi, 2
movups xmm0, xmmword [ebp - 0xa4]
mov ecx, dword [edi + 0x10]
push 0
sub esp, 0x10
mov eax, esp
push 0
movups xmmword [eax], xmm0
mov eax, esi
or eax, 0x20
cmp byte [ecx + 0x6e1], 0
cmove eax, esi
push eax
mov eax, dword [ecx]
push 0
call dword [eax + 0x24]
mov ecx, eax
call fcn.0045a5c0
push eax
mov ecx, edi
call fcn.0046aa20
mov ecx, dword [edi + 0x10]
call fcn.00456f40
cmp eax, 0xffffffff
je 0x49e482
mov ecx, dword [edi + 0x10]
push eax
mov eax, dword [ecx]
call dword [eax + 0x24]
mov ecx, eax
call fcn.00459f50
test eax, eax
jne 0x49e493
mov ecx, dword [edi + 0x10]
mov eax, dword [ecx]
call dword [eax + 0x24]
mov ecx, eax
call fcn.00459e70
mov eax, dword [eax]
mov esi, dword [sym.imp.USER32.dll_SendMessageW]
push 1
push eax
push 0x30
push dword [edi + 4]
call esi
mov eax, dword [edi + 0x10]
push 0
push dword [eax + 0x6dc]
push 0xc5
push dword [edi + 4]
call esi
mov ecx, dword [edi + 0x10]
mov al, byte [ecx + 0x6e1]
test al, al
je 0x49e4d9
movzx eax, word [ecx + 0x6e4]
push 0
push eax
push 0xcc
push dword [edi + 4]
call esi
mov ecx, dword [edi + 0x10]
lea edx, [ebp - 0x94]
push edx
mov eax, dword [ecx]
call dword [eax + 0x38]
mov ecx, eax
mov dword [ebp - 4], 0
call fcn.00454270
push eax
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SetWindowTextW]
lea ecx, [ebp - 0x94]
mov dword [ebp - 4], 0xffffffff
call fcn.004540b0
push 0
push 0
push 0xb9
push dword [edi + 4]
call esi
push 0
push 3
push 0xd3
mov ecx, edi
call fcn.0046b030
mov ecx, dword [edi + 0x10]
mov eax, dword [ecx]
mov eax, dword [eax + 0xe8]
call eax
xor ecx, ecx
cmp al, 1
sete cl
push ecx
push dword [edi + 4]
call dword [sym.imp.USER32.dll_EnableWindow]
mov eax, dword [edi + 0x10]
xor ecx, ecx
push 0
cmp byte [eax + 0x6e0], 1
sete cl
push ecx
push 0xcf
push dword [edi + 4]
call esi
push 4
push dword [edi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SetFocus]
mov eax, dword [edi + 0x10]
push dword [edi + 4]
cmp byte [eax + 0x6e2], 0
je 0x49e5a2
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
test eax, eax
mov ecx, 1
cmove eax, ecx
push eax
push 0
jmp 0x49e5aa
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
push eax
push eax
push 0xb1
push dword [edi + 4]
call esi
mov byte [edi + 0x18], 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00509f60
mov esp, ebp
pop ebp
ret 4
Function at 0x49e5e0
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x5aa464]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push dword [ebp + 0x10]
mov esi, ecx
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.00460470
mov ecx, dword [esi + 0x6d8]
test ecx, ecx
je 0x49e671
lea eax, [ebp - 0x14]
push eax
call fcn.0049dab0
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x49e647
mov ecx, dword [esi + 0x6d8]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebp - 8]
mov edx, dword [ebp - 0x10]
sub eax, edx
mov ecx, dword [ebp - 0x14]
push 0x54
push eax
mov eax, dword [ebp - 0xc]
sub eax, ecx
push eax
push edx
push ecx
mov ecx, dword [esi + 0x6d8]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0xc

Function at 0x49e690
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x5aa464]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, ecx
push edi
cmp byte [esi + 0x18], 0
je 0x49e71b
cmp dword [esi + 0x10], 0
je 0x49e71b
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
lea edi, [eax + 1]
lea eax, [edi + edi]
call fcn.0050a7d0
mov ebx, esp
test ebx, ebx
je 0x49e71b
push edi
push ebx
push dword [esi + 4]
call dword [sym.imp.USER32.dll_GetWindowTextW]
mov ecx, dword [esi + 0x10]
push ebx
add ecx, 0x1e4
call fcn.00454170
mov ecx, dword [esi + 0x10]
push 1
push 0
push 0
mov eax, dword [ecx]
push 0
push str.textchanged
push ecx
call dword [eax + 0x24]
mov ecx, eax
call fcn.0045e190
mov ecx, dword [esi + 0x10]
mov eax, dword [ecx]
call dword [eax + 0x24]
mov ecx, eax
call fcn.0045a890
test al, al
je 0x49e71b
mov ecx, dword [esi + 0x10]
call fcn.00460340
xor eax, eax
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0x10
Function at 0x49f230
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x5aa464]
xor eax, ebp
mov dword [ebp - 4], eax
movups xmm0, xmmword [ebp + 8]
push esi
push dword [ebp + 0x18]
mov esi, ecx
sub esp, 0x10
mov eax, esp
movups xmmword [eax], xmm0
call fcn.00462680
mov ecx, dword [esi + 0x6d8]
test ecx, ecx
je 0x49f2c7
lea eax, [ebp - 0x14]
push eax
call fcn.0049dab0
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x49f29d
mov ecx, dword [esi + 0x6d8]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0x14
mov eax, dword [ebp - 8]
mov edx, dword [ebp - 0x10]
sub eax, edx
mov ecx, dword [ebp - 0x14]
push 0x54
push eax
mov eax, dword [ebp - 0xc]
sub eax, ecx
push eax
push edx
push ecx
mov ecx, dword [esi + 0x6d8]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0x14

Function at 0x4a0670
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x556fab
mov eax, dword fs:[0]
push eax
sub esp, 0x98
mov eax, dword [0x5aa464]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov eax, dword [ebp + 8]
mov dword [edi + 0x10], eax
mov dword [eax + 0x6e8], 0
cmp dword [edi + 4], 0
jne 0x4a071b
lea eax, [ebp - 0xa4]
push eax
call fcn.004a01c0
mov ecx, dword [edi + 0x10]
movups xmm0, xmmword [ebp - 0xa4]
push 0
sub esp, 0x10
mov eax, esp
push 0
movups xmmword [eax], xmm0
mov eax, dword [ecx]
push 0x40000000
push 0
call dword [eax + 0x24]
mov ecx, eax
call fcn.0045a5c0
push eax
mov ecx, edi
call fcn.0046aa20
mov esi, dword [edi + 0x10]
mov ecx, esi
call fcn.00456f40
push eax
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x24]
mov ecx, eax
call fcn.0045a0f0
push 1
push dword [eax]
push 0x30
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SendMessageW]
mov ecx, dword [edi + 0x10]
lea edx, [ebp - 0x94]
push edx
mov eax, dword [ecx]
call dword [eax + 0x38]
mov ecx, eax
mov dword [ebp - 4], 0
call fcn.00454ba0
lea ecx, [ebp - 0x94]
mov bl, al
call fcn.004540b0
test bl, bl
je 0x4a0758
mov eax, dword [edi + 0x10]
add eax, 0x6d8
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
mov eax, dword [edi + 0x10]
add eax, 0x6d8
push eax
push 0
push 0x1002
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SendMessageW]
push 4
push dword [edi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SetFocus]
mov byte [edi + 0x18], 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00509f60
mov esp, ebp
pop ebp
ret 4
Function at 0x4a07b0
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x5aa464]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push dword [ebp + 0x10]
mov esi, ecx
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.00460470
mov ecx, dword [esi + 0x6f0]
test ecx, ecx
je 0x4a0841
lea eax, [ebp - 0x14]
push eax
call fcn.004a01c0
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x4a0817
mov ecx, dword [esi + 0x6f0]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebp - 8]
mov edx, dword [ebp - 0x10]
sub eax, edx
mov ecx, dword [ebp - 0x14]
push 0x54
push eax
mov eax, dword [ebp - 0xc]
sub eax, ecx
push eax
push edx
push ecx
mov ecx, dword [esi + 0x6f0]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0xc

Function at 0x4a0950
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x5aa464]
xor eax, ebp
mov dword [ebp - 4], eax
movups xmm0, xmmword [ebp + 8]
push esi
push dword [ebp + 0x18]
mov esi, ecx
sub esp, 0x10
mov eax, esp
movups xmmword [eax], xmm0
call fcn.00462680
mov ecx, dword [esi + 0x6f0]
test ecx, ecx
je 0x4a09e7
lea eax, [ebp - 0x14]
push eax
call fcn.004a01c0
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x4a09bd
mov ecx, dword [esi + 0x6f0]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0x14
mov eax, dword [ebp - 8]
mov edx, dword [ebp - 0x10]
sub eax, edx
mov ecx, dword [ebp - 0x14]
push 0x54
push eax
mov eax, dword [ebp - 0xc]
sub eax, ecx
push eax
push edx
push ecx
mov ecx, dword [esi + 0x6f0]
push 0
call fcn.00494430
push eax
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00509f60
mov esp, ebp
pop ebp
ret 0x14
Function at 0x4a5d10
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x14]
sub esp, 0x10
mov ecx, dword [ebp + 0xc]
mov eax, dword [eax]
push ebx
xor ebx, ebx
and eax, 7
cmp ecx, 5
jae 0x4a5d30
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
add dword [ebp + 0x10], 5
lea edx, [ecx - 4]
push esi
mov esi, dword [ebp + 8]
push edi
or edi, 0xffffffff
add edx, esi
mov dword [ebp - 4], edx
add esi, ebx
mov dword [ebp + 0xc], esi
cmp esi, edx
jae 0x4a5d62
nop dword [eax]
mov cl, byte [esi]
and cl, 0xfe
cmp cl, 0xe8
je 0x4a5d5f
inc esi
cmp esi, edx
jb 0x4a5d50
mov dword [ebp + 0xc], esi
mov ebx, esi
sub ebx, dword [ebp + 8]
mov ecx, ebx
sub ecx, edi
cmp esi, edx
jae 0x4a5e8c
cmp ecx, 3
jbe 0x4a5da2
xor eax, eax
mov cl, byte [esi + 4]
mov edi, ebx
mov dword [ebp - 0x10], edi
test cl, cl
je 0x4a5de0
cmp cl, 0xff
je 0x4a5de0
mov edx, dword [ebp - 4]
and eax, 3
mov esi, dword [ebp + 8]
add eax, eax
mov ecx, 1
or eax, 1
add ebx, ecx
jmp 0x4a5d44
dec ecx
shl eax, cl
and eax, 7
je 0x4a5d7a
movzx ecx, byte [eax + 0x56ae3c]
mov edx, esi
sub edx, ecx
cmp byte [eax + 0x56ae34], 0
mov cl, byte [edx + 4]
je 0x4a5dca
test cl, cl
je 0x4a5dca
cmp cl, 0xff
jne 0x4a5d7a
mov edx, dword [ebp - 4]
and eax, 3
mov esi, dword [ebp + 8]
add eax, eax
mov edi, ebx
or eax, 1
inc ebx
jmp 0x4a5d44
movzx edi, cl
movzx ecx, byte [esi + 3]
shl edi, 8
or edi, ecx
movzx ecx, byte [esi + 2]
shl edi, 8
or edi, ecx
movzx ecx, byte [esi + 1]
mov esi, dword [ebp + 0x10]
shl edi, 8
or edi, ecx
cmp dword [ebp + 0x18], 0
je 0x4a5e0e
lea edx, [edi + ebx]
add edx, esi
jmp 0x4a5e14
mov edx, edi
sub edx, ebx
sub edx, esi
test eax, eax
je 0x4a5e52
movzx edi, byte [eax + 0x56ae3c]
mov ecx, 0x18
shl edi, 3
sub ecx, edi
mov dword [ebp - 0xc], edi
mov edi, edx
shr edi, cl
mov ecx, edi
mov dword [ebp - 8], edi
test cl, cl
je 0x4a5e3e
cmp cl, 0xff
jne 0x4a5e52
mov ecx, 0x20
mov edi, 1
sub ecx, dword [ebp - 0xc]
shl edi, cl
dec edi
xor edi, edx
jmp 0x4a5e01
mov esi, dword [ebp + 0xc]
mov ecx, edx
mov edi, dword [ebp - 0x10]
shr ecx, 0x18
and cl, 1
dec cl
mov byte [esi + 1], dl
not cl
mov byte [esi + 4], cl
mov ecx, edx
shr ecx, 0x10
mov byte [esi + 3], cl
mov ecx, edx
mov edx, dword [ebp - 4]
shr ecx, 8
mov byte [esi + 2], cl
mov ecx, 5
mov esi, dword [ebp + 8]
add ebx, ecx
jmp 0x4a5d44
pop edi
pop esi
cmp ecx, 3
jbe 0x4a5ea1
mov ecx, dword [ebp + 0x14]
xor eax, eax
mov dword [ecx], eax
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
dec ecx
shl eax, cl
mov ecx, dword [ebp + 0x14]
and eax, 7
mov dword [ecx], eax
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4b6690
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5aa464]
xor eax, esp
mov dword [esp + 0x190], eax
lea eax, [esp]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4b66e5
mov eax, dword [esp]
cmp al, 2
jne 0x4b66df
shr eax, 8
cmp al, 2
jne 0x4b66df
call fcn.004bdc40
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.00509f60
add esp, 0x194
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [esp + 0x190]
mov eax, 2
xor ecx, esp
call fcn.00509f60
add esp, 0x194
ret
Function at 0x4be5e0
Capabilities:
Terminate process

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4be5fc
cmp dword [esi + 0x48], 0
je 0x4be5fc
push 2
push 3
push esi
call fcn.004d5500
add esp, 0xc
push dword [esp + 0xc]
call fcn.004cea30
add esp, 4
test esi, esi
je 0x4be61d
cmp dword [esi + 0x48], 0
je 0x4be61d
push 3
push esi
call fcn.004d5540
add esp, 8
pop esi
ret
Function at 0x4c7850
Capabilities:
Write file on windows

Disassembly:
push ebx
push edi
mov edi, dword [esp + 0xc]
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x14]
lea ebx, [edi + 0x5ac]
push 0x4000
push ebx
call fcn.004c9a30
mov eax, dword [edi + 0x160]
add esp, 0x10
test eax, eax
je 0x4c78a1
cmp byte [edi + 0x85dc], 0
jne 0x4c78a1
push ebx
push 0x56f03c
push 0x100
push eax
call fcn.004c9940
add esp, 0x10
mov byte [edi + 0x85dc], 1
cmp byte [edi + 0x318], 0
je 0x4c7916
push esi
mov esi, ebx
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4c78b0
sub esi, ecx
cmp esi, 0x3fff
jae 0x4c78d1
mov byte [edi + esi + 0x5ac], 0xa
inc esi
mov byte [edi + esi + 0x5ac], al
mov eax, dword [edi + 0x1d0]
test eax, eax
je 0x4c78ef
push dword [edi + 0x15c]
push esi
push ebx
push 0
push edi
call eax
add esp, 0x14
pop esi
pop edi
pop ebx
ret
push dword [edi + 0x158]
push 1
push 2
push 0x56f024
call fcn.00527804
push dword [edi + 0x158]
push 1
push esi
push ebx
call fcn.00527804
add esp, 0x20
pop esi
pop edi
pop ebx
ret

Function at 0x4c7920
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x808
mov eax, dword [0x5aa464]
xor eax, esp
mov dword [esp + 0x804], eax
push edi
mov edi, dword [esp + 0x810]
test edi, edi
je 0x4c79e9
cmp byte [edi + 0x318], 0
je 0x4c79e9
push esi
lea eax, [esp + 0x81c]
push eax
push dword [esp + 0x81c]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.004c9a30
lea esi, [esp + 0x18]
add esp, 0x10
lea ecx, [esi + 1]
nop word [eax + eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x4c7980
mov eax, dword [edi + 0x1d0]
sub esi, ecx
test eax, eax
je 0x4c79be
push dword [edi + 0x15c]
lea ecx, [esp + 0xc]
push esi
push ecx
push 0
push edi
call eax
add esp, 0x14
pop esi
pop edi
mov ecx, dword [esp + 0x804]
xor ecx, esp
call fcn.00509f60
add esp, 0x808
ret
push dword [edi + 0x158]
push 1
push 2
push 0x56f024
call fcn.00527804
push dword [edi + 0x158]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.00527804
add esp, 0x20
pop esi
mov ecx, dword [esp + 0x808]
pop edi
xor ecx, esp
call fcn.00509f60
add esp, 0x808
ret

Function at 0x4c7c10
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x14]
push eax
push edi
mov esi, dword [edi + eax*4 + 0x168]
call fcn.004c7fc0
add esp, 8
push 0
push dword [esp + 0x24]
push dword [esp + 0x24]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [esp + 0x24]
mov ebx, eax
mov dword [ebp], 0
cmp ebx, 0xffffffff
jne 0x4c7c96
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4c7c6e
pop edi
pop esi
mov dword [ebp], 0x51
xor eax, eax
pop ebp
pop ebx
ret
push esi
push edi
call fcn.004b6e80
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004c7850
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x85e0], esi
mov eax, ebx
mov dword [ebp], 0x37
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4c7fc0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov ecx, dword [esp + 4]
mov edx, dword [esp + 8]
mov eax, edx
push ebx
push esi
shl eax, 4
lea esi, [ecx + 0x18c]
mov ebx, dword [ecx + edx*4 + 0x168]
add esi, eax
mov eax, dword [ecx + 0x2b8]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x3c], 3
je 0x4c806e
cmp dword [ecx + edx*4 + 0x17c], 0x4c7b70
jne 0x4c806e
cmp dword [esi], 0
je 0x4c8007
test edi, edi
je 0x4c806e
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.004c71b0
add esp, 0x10
cmp eax, 0xffffffff
je 0x4c806e
test al, 1
je 0x4c806e
cmp dword [esi], 0
jne 0x4c8057
push 0x8000
mov dword [esi + 4], 0x8000
call dword [0x5aa360]
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 0x4c8057
pop edi
mov dword [esi + 4], eax
pop esi
pop ebx
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 0x4c806e
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
ret

Function at 0x4c8080
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x1d0]
test eax, eax
je 0x4c80a9
push dword [esi + 0x15c]
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [esp + 0x18]
push esi
call eax
add esp, 0x14
pop esi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x4c80e2
push dword [esi + 0x158]
lea eax, [eax + eax*2]
push 1
add eax, 0x56f024
push 2
push eax
call fcn.00527804
push dword [esi + 0x158]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.00527804
add esp, 0x20
xor eax, eax
pop esi
ret

Function at 0x4c82a0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 8
push esi
push edi
mov edi, dword [esp + 0x14]
mov esi, dword [edi + 0x5a0]
test esi, esi
je 0x4c82f6
mov eax, dword [edi + 0x44]
test eax, eax
jne 0x4c82bf
cmp dword [edi + 0x40], eax
je 0x4c82f6
mov dword [esp + 8], esi
mov byte [esp + 0xc], 0
test eax, eax
jne 0x4c82cf
mov eax, dword [edi + 0x40]
push 0x4c9130
lea ecx, [esp + 0xc]
add eax, 0x68
push ecx
push eax
call fcn.004d34a0
add esp, 0xc
cmp byte [esp + 0xc], 0
jne 0x4c82ff
mov dword [edi + 0x5a0], 0
pop edi
or eax, 0xffffffff
pop esi
add esp, 8
ret
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4c8309
mov dword [eax], esi
cmp byte [esi + 0x1ac], 0
mov edi, dword [esi + 0x168]
je 0x4c832e
push esi
call fcn.0040c2e0
add esp, 4
test eax, eax
jne 0x4c8347
pop edi
or eax, 0xffffffff
pop esi
add esp, 8
ret
cmp edi, 0xffffffff
je 0x4c8347
push 2
push 1
lea eax, [esp + 0x1c]
push eax
push edi
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x4c82f6
mov eax, edi
pop edi
pop esi
add esp, 8
ret
Function at 0x4c89b0
Capabilities:
Set socket configuration

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
lea eax, [esp + 0xc]
push 4
push eax
push 1
mov esi, dword [edi]
push 6
push dword [esp + 0x20]
mov dword [esp + 0x20], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4c89f8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004b6e80
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004c7920
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004c7920
add esp, 8
pop edi
pop esi
ret