joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d4380
Capabilities:
Check if file exists
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x64594e
mov eax, dword fs:[0]
push eax
sub esp, 0xc8
mov eax, dword [0x6d906c]
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
cmp dword [ebp + 8], 0
je 0x4d43ba
cmp dword [ebp + 0xc], 0
jne 0x4d43c1
xor al, al
jmp 0x4d455e
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4d43dd
mov eax, dword [ebp + 0xc]
push eax
call fcn.004d3f70
add esp, 4
jmp 0x4d43e7
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push 0x6c2965
lea eax, [ebp - 0x14]
push eax
call fcn.004d3bc0
add esp, 8
mov dword [ebp - 4], 0
push 0
lea ecx, [ebp - 0x14]
call fcn.004d3e90
mov ecx, eax
call fcn.004d8a30
push 0
lea ecx, [ebp - 0x14]
call fcn.004d3e90
mov ecx, eax
call fcn.004d8a50
cmp dword [ebp + 0x10], 0
je 0x4d443a
mov eax, dword [ebp + 0x10]
push eax
lea ecx, [ebp - 0x14]
call fcn.004d3e90
mov ecx, eax
call fcn.004d8810
cmp dword [ebp + 0x14], 0
je 0x4d4453
mov eax, dword [ebp + 0x14]
push eax
lea ecx, [ebp - 0x14]
call fcn.004d3e90
mov ecx, eax
call fcn.004d8840
push 0
push 0x3a8
sub esp, 0x18
mov ecx, esp
mov dword [ebp - 0x88], esp
mov eax, dword [ebp + 0xc]
push eax
call fcn.00405f20
lea ecx, [ebp - 0xa0]
push ecx
call fcn.004c4df1
add esp, 0x20
mov dword [ebp - 0xc4], eax
mov edx, dword [ebp - 0xc4]
mov dword [ebp - 0xc8], edx
mov byte [ebp - 4], 1
mov eax, dword [ebp - 0xc8]
push eax
push 0x3a8
sub esp, 0x18
mov ecx, esp
mov dword [ebp - 0xa4], esp
mov edx, dword [ebp + 8]
push edx
call fcn.00405f20
lea eax, [ebp - 0xbc]
push eax
call fcn.004c4df1
add esp, 0x20
mov dword [ebp - 0xcc], eax
mov ecx, dword [ebp - 0xcc]
mov dword [ebp - 0xd0], ecx
mov byte [ebp - 4], 2
mov edx, dword [ebp - 0xd0]
push edx
lea eax, [ebp - 0x44]
push eax
lea ecx, [ebp - 0x14]
call fcn.004d3e90
mov ecx, eax
call fcn.004d8df0
mov dword [ebp - 0xd4], eax
mov byte [ebp - 4], 1
lea ecx, [ebp - 0xbc]
call fcn.004037c0
mov byte [ebp - 4], 0
lea ecx, [ebp - 0xa0]
call fcn.004037c0
cmp dword [ebp - 0x44], 0xc8
jne 0x4d452b
mov dword [ebp - 0xc4], 1
jmp 0x4d4535
mov dword [ebp - 0xc4], 0
mov al, byte [ebp - 0xc4]
mov byte [ebp - 0xbd], al
lea ecx, [ebp - 0x44]
call fcn.004d3e50
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x14]
call fcn.004d3df0
mov al, byte [ebp - 0xbd]
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.00421065
mov esp, ebp
pop ebp
ret
Function at 0x4d4a90
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x645a10
mov eax, dword fs:[0]
push eax
sub esp, 0x2c0
mov eax, dword [0x6d906c]
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 0x65c740
lea eax, [ebp - 0x28]
push eax
call fcn.004c42f7
add esp, 0x50
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.00403640
mov byte [ebp - 4], 1
push 0x658e44
lea ecx, [ebp - 0x40]
call fcn.00405e20
push 0x658e48
lea ecx, [ebp - 0x40]
call fcn.00405e20
push 0x6c2500
lea ecx, [ebp - 0x40]
call fcn.00405e20
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.00420de2
lea ecx, [ebp - 0x40]
call fcn.00405de0
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4d4bb3
push 0x208
push 0
lea eax, [ebp - 0x248]
push eax
call fcn.004fab00
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.004d4330
lea eax, [ebp - 0x248]
push eax
lea ecx, [ebp - 0x40]
call fcn.00405e20
push 0x6c2500
lea ecx, [ebp - 0x40]
call fcn.00405e20
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.00420de2
lea ecx, [ebp - 0x40]
call fcn.00405de0
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4d4bcf
mov byte [ebp - 0x2ca], 1
jmp 0x4d4bd6
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.004035e0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x28]
call fcn.004035e0
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.00421065
mov esp, ebp
pop ebp
ret
Function at 0x4d6c20
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 0x4d6c38
cmp dword [ebp + 0xc], 0
jne 0x4d6c42
mov eax, 1
jmp 0x4d6d3d
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 0x4d6c72
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d6d3d
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 0x4d6c9b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d6d3d
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x4d6cb1
mov eax, 8
jmp 0x4d6d3d
cmp dword [ebp + 0x10], 0
je 0x4d6cbf
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.00421711
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.004fab00
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 0x4d6d22
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d6d3d
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x4d6d31
mov eax, 1
jmp 0x4d6d3d
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 0x4d7310
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 0x4d732c
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x4d7333
mov eax, 1
jmp 0x4d7395
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 0x4d7360
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d7395
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 0x4d7389
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d7395
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 0x4de980
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 + 0x6eab20], eax
inc edx
cmp edx, 0x100
jb 0x4de982
push esi
mov eax, 0x6eab24
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6eab20]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6eab20]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6eab20]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6eab20]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x4dea27
mov dword [0x6eab10], 0x4dfed0
mov dword [0x6eab08], 0x4dfed0
mov dword [0x6eab0c], 0x4dff70
call fcn.004dfce0
mov ecx, dword [0x6eab08]
test eax, eax
mov edx, 0x4dff70
cmove ecx, edx
mov dword [0x6eab08], ecx
pop esi
ret

Function at 0x4debe0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
mov esi, dword [edi]
test esi, esi
je 0x4dec33
mov ebx, dword [ebp + 0xc]
mov dword [edi], 0
push 0
mov ecx, 0x400000
mov dword [ebp + 0x10], 0
lea eax, [ebp + 0x10]
cmp esi, ecx
push eax
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 0x4dec3a
test ecx, ecx
je 0x4dec33
test esi, esi
jne 0x4debf8
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
pop edi
pop esi
pop ebx
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]

Function at 0x4dec50
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
mov esi, dword [edi]
test esi, esi
je 0x4deca3
mov ebx, dword [ebp + 0xc]
mov dword [edi], 0
push 0
mov ecx, 0x400000
mov dword [ebp + 0x10], 0
lea eax, [ebp + 0x10]
cmp esi, ecx
push eax
mov eax, esi
cmova eax, ecx
push eax
mov eax, dword [ebp + 8]
push ebx
push dword [eax]
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov ecx, dword [ebp + 0x10]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x4decaa
test ecx, ecx
je 0x4deca3
test esi, esi
jne 0x4dec68
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
pop edi
pop esi
pop ebx
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
Function at 0x4e03a0
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 0x4e03c0
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 0x4e03e9
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4e03e6
inc eax
cmp eax, ebx
jb 0x4e03d7
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x4e04ed
cmp edx, 2
jbe 0x4e0472
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x4e04d9
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 0x4e04a9
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x4e04a7
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 0x4e04a5
add ebx, ecx
jmp 0x4e04a7
mov ecx, edx
shr esi, cl
test esi, esi
je 0x4e0402
cmp esi, 4
ja 0x4e0497
cmp esi, 3
je 0x4e0497
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x4e0402
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x4e03d0
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 0x4e03d0
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x4e03d0
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 0x4e4e9c
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 0x51aa7c
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051a73f

Function at 0x51aa87
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051a8c0

Function at 0x51ee54
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051eb14
Function at 0x52eee0
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 0x52ef29
mov al, byte [esi]
push eax
call fcn.0053e2f0
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 0x52ef07
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret
Function at 0x539440
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, dword [ebp + 8]
cmp byte [edi + 0x6f2], 0
je 0x5394c3
cmp dword [edi + 0x1b0], 0
je 0x53948d
push esi
push 1
push edi
call fcn.0052b1b0
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.0052b1b0
add esp, 0x24
mov eax, esi
pop esi
pop edi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x5394c3
push dword [edi + 0x148]
lea eax, [eax + eax*2]
push 1
add eax, 0x66b278
push 2
push eax
call fcn.00502ab9
push dword [edi + 0x148]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.00502ab9
add esp, 0x20
xor eax, eax
pop edi
pop ebp
ret

Function at 0x539840
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6d906c]
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.00539cc0
add esp, 0xc
test eax, eax
je 0x53989b
pop edi
mov dword [esi], 0x1b
or eax, 0xffffffff
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00421065
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 0x539918
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp ebx, 0x2733
jne 0x5398e0
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.00421065
mov esp, ebp
pop ebp
ret
push 0x100
lea eax, [ebp - 0x104]
push eax
push ebx
call fcn.00527100
push eax
push str.Send_failure:__s
push dword [ebp - 0x108]
call fcn.005394d0
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.00421065
mov esp, ebp
pop ebp
ret
Function at 0x539cc0
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 0x539d91
cmp dword [ecx + edx*4 + 0x160], 0x539740
jne 0x539d91
cmp dword [esi], 0
je 0x539d08
test edi, edi
je 0x539d91
mov ebx, dword [ecx + edx*4 + 0x148]
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.00547ff0
add esp, 0x14
cmp eax, 0xffffffff
je 0x539d91
test al, 1
je 0x539d91
mov ecx, dword [esi]
test ecx, ecx
jne 0x539d6c
mov eax, dword [ebp + 8]
mov eax, dword [eax + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x6d9b68]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
jne 0x539d57
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 0x539d8a
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 0x539d91
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 0x539f20
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp byte [eax + 0x19c], 0
je 0x539f40
push eax
call fcn.00533430
add esp, 4
test eax, eax
jne 0x539f5e
xor al, al
pop ebp
ret
mov eax, dword [eax + 0x148]
cmp eax, 0xffffffff
je 0x539f3c
push 2
push 1
lea ecx, [ebp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x539f3c
mov al, 1
pop ebp
ret

Function at 0x53a150
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x188
mov eax, dword [0x6d906c]
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.004fab00
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 0x53a1cd
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.00527100
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x53a210
push edi
push esi
push dword [ebp - 0x188]
lea eax, [ebp - 0x184]
push eax
call fcn.00539da0
add esp, 0x10
test al, al
jne 0x53a219
call fcn.004feacd
mov esi, dword [eax]
call fcn.004feacd
mov edi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.00527100
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.005394d0
add esp, 0x1c
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00421065
mov esp, ebp
pop ebp
ret
Function at 0x53a9a0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x6e6e54]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x53a9f1
push 3
push 2
push eax
push 6
call fcn.00564fe0
add esp, 0x10
test al, al
je 0x53a9e5
mov dword [0x6e6e54], 2
mov esp, ebp
pop ebp
ret
mov dword [0x6e6e54], 1
jmp 0x53a9f6
cmp eax, 2
je 0x53aa36
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 0x53aa1d
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x53aa36
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 0x53b8a0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x6d906c]
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 0x53b8fd
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00539590
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00421065
mov esp, ebp
pop ebp
ret
push dword [esi + 0x698]
mov dword [ebp - 0x10], 1
call fcn.0053bb10
push dword [esi + 0x69c]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.0053bb10
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 0x53b96d
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.00539590
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.00421065
mov esp, ebp
pop ebp
ret

Function at 0x53b980
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6d906c]
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 0x53b9e2
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00527100
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00539590
add esp, 0x18
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00421065
mov esp, ebp
pop ebp
ret

Function at 0x53baf0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.004025c0
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.0051b077