joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4cf110
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x63d250
mov eax, dword fs:[0]
push eax
sub esp, 0x2c0
mov eax, dword [0x6cf06c]
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
push 0x67
push 0x6f
push 0x6c
push 0x74
push 0x6e
push 0x65
push 0x74
push 0x6e
push 0x6f
push 0x43
push 0x70
push 0x74
push 0x74
push 0x48
push 0x77
push 0x6f
push 0x68
push 0x53
push 0x6546b0
lea eax, [ebp - 0x28]
push eax
call fcn.004b257b
add esp, 0x50
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.004019d1
mov byte [ebp - 4], 1
push 0x650378
lea ecx, [ebp - 0x40]
call fcn.00401918
push 0x65037c
lea ecx, [ebp - 0x40]
call fcn.00401918
push 0x6b9320
lea ecx, [ebp - 0x40]
call fcn.00401918
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0040479d
lea ecx, [ebp - 0x40]
call fcn.0040193f
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4cf233
push 0x208
push 0
lea eax, [ebp - 0x248]
push eax
call fcn.004f2410
add esp, 0xc
push 0x104
lea eax, [ebp - 0x248]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x248]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
lea ecx, [ebp - 0x40]
call fcn.00408b6c
lea eax, [ebp - 0x248]
push eax
lea ecx, [ebp - 0x40]
call fcn.00401918
push 0x6b9320
lea ecx, [ebp - 0x40]
call fcn.00401918
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0040479d
lea ecx, [ebp - 0x40]
call fcn.0040193f
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4cf24f
mov byte [ebp - 0x2ca], 1
jmp 0x4cf256
mov byte [ebp - 0x2ca], 0
mov al, byte [ebp - 0x2ca]
mov byte [ebp - 0x2c9], al
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.004019cc
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x28]
call fcn.004019cc
mov al, byte [ebp - 0x2c9]
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.0040e185
mov esp, ebp
pop ebp
ret
Function at 0x4cfb10
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x60
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4cfb28
cmp dword [ebp + 0xc], 0
jne 0x4cfb32
mov eax, 1
jmp 0x4cfc2d
push 0
push 0x80
push 3
push 0
push 5
push SysReAllocString
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4cfb62
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cfc2d
mov dword [ebp - 0xc], 0
lea eax, [ebp - 0x10]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0xffffffff
jne 0x4cfb8b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cfc2d
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x4cfba1
mov eax, 8
jmp 0x4cfc2d
cmp dword [ebp + 0x10], 0
je 0x4cfbaf
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp - 0xc]
mov dword [eax], ecx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
call fcn.00564bbb
add esp, 4
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp + 0xc]
mov edx, dword [ebp - 0x60]
mov dword [ecx], edx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
push 0
mov ecx, dword [ebp + 0xc]
mov edx, dword [ecx]
push edx
call fcn.004f2410
add esp, 0xc
mov dword [ebp - 0x18], 0
push 0
lea eax, [ebp - 0x18]
push eax
mov ecx, dword [ebp - 0xc]
push ecx
mov edx, dword [ebp + 0xc]
mov eax, dword [edx]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
jne 0x4cfc12
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cfc2d
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x4cfc21
mov eax, 1
jmp 0x4cfc2d
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4d0200
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x50
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4d021c
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x4d0223
mov eax, 1
jmp 0x4d0285
push 0
push 0x80
push 2
push 0
push 0
push 0xc0000000
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4d0250
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d0285
push 0
lea eax, [ebp - 0xc]
push eax
mov ecx, dword [ebp + 0x10]
push ecx
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jne 0x4d0279
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d0285
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc

Function at 0x4d6430
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor edx, edx
mov ecx, edx
mov eax, edx
and ecx, 1
shr eax, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov dword [edx*4 + 0x6df420], eax
inc edx
cmp edx, 0x100
jb 0x4d6432
push esi
mov eax, 0x6df424
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6df420]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6df420]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6df420]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6df420]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x4d64d7
mov dword [0x6df410], 0x4d7820
mov dword [0x6df408], 0x4d7820
mov dword [0x6df40c], 0x4d78c0
call fcn.004d7630
mov ecx, dword [0x6df408]
test eax, eax
mov edx, 0x4d78c0
cmove ecx, edx
mov dword [0x6df408], ecx
pop esi
ret
Function at 0x4d7cf0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 0x14]
push edi
xor edi, edi
mov esi, dword [esi]
and esi, 7
cmp eax, 5
jae 0x4d7d10
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
add dword [ebp + 0x10], 5
mov ecx, dword [ebp + 8]
push ebx
lea ebx, [eax - 4]
add ebx, ecx
mov dword [ebp - 4], ebx
lea eax, [edi + ecx]
cmp eax, ebx
jae 0x4d7d39
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4d7d36
inc eax
cmp eax, ebx
jb 0x4d7d27
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x4d7e3d
cmp edx, 2
jbe 0x4d7dc2
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x4d7e29
movzx ecx, byte [eax + 3]
mov ebx, dword [ebp + 0x10]
shl edx, 8
add ebx, edi
or edx, ecx
movzx ecx, byte [eax + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [eax + 1]
shl edx, 8
or edx, ecx
mov ecx, edx
add edx, ebx
sub ecx, ebx
cmp dword [ebp + 0x18], 0
cmove edx, ecx
mov dword [ebp + 0xc], edx
mov ebx, edx
test esi, esi
je 0x4d7df9
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x4d7df7
mov ebx, 0x100
shl ebx, cl
mov ecx, dword [ebp + 0x10]
dec ebx
xor ebx, dword [ebp + 0xc]
add ecx, edi
cmp dword [ebp + 0x18], 0
je 0x4d7df5
add ebx, ecx
jmp 0x4d7df7
mov ecx, edx
shr esi, cl
test esi, esi
je 0x4d7d52
cmp esi, 4
ja 0x4d7de7
cmp esi, 3
je 0x4d7de7
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x4d7d52
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x4d7d20
sub ebx, ecx
xor esi, esi
mov ecx, ebx
mov byte [eax + 1], bl
shr ecx, 8
mov byte [eax + 2], cl
mov ecx, ebx
shr ebx, 0x18
and bl, 1
shr ecx, 0x10
neg bl
mov byte [eax + 3], cl
mov ecx, dword [ebp + 8]
mov byte [eax + 4], bl
mov eax, 5
mov ebx, dword [ebp - 4]
add edi, eax
jmp 0x4d7d20
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x4d7d20
mov eax, dword [ebp + 0x14]
mov ecx, edx
shr esi, cl
xor ecx, ecx
cmp edx, 2
pop ebx
cmovbe ecx, esi
mov dword [eax], ecx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4dc7fc
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x515444
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00515104

Function at 0x518c89
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051894c

Function at 0x518c94
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00518acd
Function at 0x526650
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 0x526699
mov al, byte [esi]
push eax
call fcn.00535a40
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 0x526677
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret
Function at 0x530ba0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, dword [ebp + 8]
cmp byte [edi + 0x6f2], 0
je 0x530c23
cmp dword [edi + 0x1b0], 0
je 0x530bed
push esi
push 1
push edi
call fcn.00522920
push dword [edi + 0x14c]
mov eax, dword [edi + 0x1b0]
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.00522920
add esp, 0x24
mov eax, esi
pop esi
pop edi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x530c23
push dword [edi + 0x148]
lea eax, [eax + eax*2]
push 1
add eax, 0x6630d0
push 2
push eax
call fcn.00506ba6
push dword [edi + 0x148]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.00506ba6
add esp, 0x20
xor eax, eax
pop edi
pop ebp
ret

Function at 0x530fa0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6cf06c]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov eax, dword [edx + 0xc]
mov esi, dword [ebp + 0x18]
push edi
mov edi, dword [ebp + 0x10]
mov ebx, dword [eax + ecx*4 + 0x148]
push ecx
push eax
push edx
mov dword [ebp - 0x108], edx
call fcn.00531420
add esp, 0xc
test eax, eax
je 0x530ffb
pop edi
mov dword [esi], 0x1b
or eax, 0xffffffff
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040e185
mov esp, ebp
pop ebp
ret
push 0
push dword [ebp + 0x14]
push edi
push ebx
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
mov dword [esi], 0
cmp edi, 0xffffffff
jne 0x531078
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp ebx, 0x2733
jne 0x531040
xor edi, edi
mov dword [esi], 0x51
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040e185
mov esp, ebp
pop ebp
ret
push 0x100
lea eax, [ebp - 0x104]
push eax
push ebx
call fcn.0051e880
push eax
push str.Send_failure:__s
push dword [ebp - 0x108]
call fcn.00530c30
mov eax, dword [ebp - 0x108]
add esp, 0x18
mov dword [eax + 0x93c], ebx
mov dword [esi], 0x37
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0040e185
mov esp, ebp
pop ebp
ret
Function at 0x531420
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0x10]
mov ecx, dword [ebp + 0xc]
push ebx
push esi
lea esi, [edx + 0x17]
mov eax, dword [ecx + 0x288]
shl esi, 4
add esi, ecx
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x5314f1
cmp dword [ecx + edx*4 + 0x160], 0x530ea0
jne 0x5314f1
cmp dword [esi], 0
je 0x531468
test edi, edi
je 0x5314f1
mov ebx, dword [ecx + edx*4 + 0x148]
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.0053f740
add esp, 0x14
cmp eax, 0xffffffff
je 0x5314f1
test al, 1
je 0x5314f1
mov ecx, dword [esi]
test ecx, ecx
jne 0x5314cc
mov eax, dword [ebp + 8]
mov eax, dword [eax + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x6cfb94]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
jne 0x5314b7
pop edi
pop esi
lea eax, [ecx + 0x1b]
pop ebx
pop ebp
ret
mov edi, dword [esi + 4]
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test ecx, ecx
je 0x5314ea
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push ebx
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x5314f1
add dword [esi + 8], eax
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
mov dword [esi + 4], 0
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret

Function at 0x531680
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp byte [eax + 0x19c], 0
je 0x5316a0
push eax
call fcn.0052ab90
add esp, 4
test eax, eax
jne 0x5316be
xor al, al
pop ebp
ret
mov eax, dword [eax + 0x148]
cmp eax, 0xffffffff
je 0x53169c
push 2
push 1
lea ecx, [ebp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x53169c
mov al, 1
pop ebp
ret

Function at 0x5318b0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x188
mov eax, dword [0x6cf06c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x184]
push esi
mov esi, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0x14]
push 0x80
push 0
push eax
mov dword [ebp - 0x188], 0x80
call fcn.004f2410
add esp, 0xc
lea eax, [ebp - 0x188]
push eax
lea eax, [ebp - 0x184]
push eax
push dword [ebp + 0xc]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x53192d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.0051e880
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x531970
push edi
push esi
push dword [ebp - 0x188]
lea eax, [ebp - 0x184]
push eax
call fcn.00531500
add esp, 0x10
test al, al
jne 0x531979
call fcn.004f95b7
mov esi, dword [eax]
call fcn.004f95b7
mov edi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.0051e880
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00530c30
add esp, 0x1c
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0040e185
mov esp, ebp
pop ebp
ret
Function at 0x532100
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x6dc4e4]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x532151
push 3
push 2
push eax
push 6
call fcn.0055c730
add esp, 0x10
test al, al
je 0x532145
mov dword [0x6dc4e4], 2
mov esp, ebp
pop ebp
ret
mov dword [0x6dc4e4], 1
jmp 0x532156
cmp eax, 2
je 0x532196
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 0x53217d
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x532196
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 0x533000
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x6cf06c]
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 + 0x6ff], 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 0x53305d
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00530cf0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040e185
mov esp, ebp
pop ebp
ret
push dword [esi + 0x698]
mov dword [ebp - 0x10], 1
call fcn.00533270
push dword [esi + 0x69c]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.00533270
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 0x5330cd
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.00530cf0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0040e185
mov esp, ebp
pop ebp
ret

Function at 0x5330e0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6cf06c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x108]
push 4
push eax
push 1
push 6
push dword [ebp + 0xc]
mov dword [ebp - 0x108], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x533142
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0051e880
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00530cf0
add esp, 0x18
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.0040e185
mov esp, ebp
pop ebp
ret

Function at 0x533250
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.00401910
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.00519187
Function at 0x5334d0
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push edi
push 0x6556f4
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [ebp - 4], eax
test eax, eax
jne 0x5334f0
pop edi
mov esp, ebp
pop ebp
ret
push ebx
push esi
push 0x66352c
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [ebp + 8]
mov ebx, eax
push 0x66353c
push esi
mov dword [ebp - 8], ebx
call fcn.00516513
add esp, 8
test eax, eax
je 0x53353c
test ebx, ebx
je 0x53352c
push 8
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
test ebx, ebx
je 0x533565
push str.AddDllDirectory
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x533565
push 0x800
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
mov edx, eax
mov dword [ebp - 4], edx
test edx, edx
je 0x533628
mov ecx, esi
lea ebx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x533581
sub ecx, ebx
sar ecx, 1
lea eax, [ecx + edx]
lea eax, [eax*2 + 2]
push eax
call dword [0x6cfb94]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x53361e
push dword [ebp - 4]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x53361e
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x5335c0
sub ecx, edx
sar ecx, 1
mov dword [ebx + ecx*2], 0x5c
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax + eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x5335e0
sub ecx, edx
sar ecx, 1
add ecx, ecx
sub ecx, esi
add ecx, ebx
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x5335f5
mov eax, dword [ebp - 8]
test eax, eax
je 0x533615
push 8
push 0
push ebx
call eax
jmp 0x53361c
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov edi, eax
push ebx
call dword [0x6cfb98]
add esp, 4
pop esi
pop ebx
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x533640
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x6cf06c]
xor eax, ebp
mov dword [ebp - 4], eax
test byte [ebp + 8], 2
je 0x533699
lea eax, [ebp - 0x194]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x533686
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x533680
shr eax, 8
cmp al, 2
je 0x533699
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040e185
mov esp, ebp
pop ebp
ret
push str.iphlpapi.dll
call fcn.005334d0
add esp, 4
mov dword [0x6dc4ec], eax
test eax, eax
je 0x5336cc
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov ecx, dword [0x6dc4e8]
test eax, eax
cmovne ecx, eax
mov dword [0x6dc4e8], ecx
push 3
push 2
push 0
push 6
call fcn.0055c730
add esp, 0x10
test al, al
setne byte [0x6df3ec]
push 0x6df3f0
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.0040e185
mov esp, ebp
pop ebp
ret

Function at 0x5368c0
Capabilities:
Create udp socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
test eax, eax
je 0x5368d5
mov eax, dword [eax + 0x70]
mov al, byte [eax + 0xe7]
pop ebp
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x5368ea
xor al, al
pop ebp
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop ebp
ret

Function at 0x536a80
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x536a9e
cmp dword [esi + 0x78], 0
je 0x536a9e
push 2
push 3
push esi
call fcn.00536040
add esp, 0xc
push dword [ebp + 0xc]
call fcn.00536470
add esp, 4
test esi, esi
je 0x536abe
cmp dword [esi + 0x78], 0
je 0x536abe
push 3
push esi
call fcn.00536080
add esp, 8
pop esi
pop ebp
ret