joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b7230
Capabilities:
Check if file exists
Create directory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x70
push ebx
push esi
push edi
mov eax, dword [ebp + 8]
mov dword [ebp - 0x64], eax
mov ecx, dword [ebp - 0x64]
add ecx, 2
mov dword [ebp - 0x68], ecx
mov edx, dword [ebp - 0x64]
mov ax, word [edx]
mov word [ebp - 0x6a], ax
add dword [ebp - 0x64], 2
cmp word [ebp - 0x6a], 0
jne 0x4b7248
mov ecx, dword [ebp - 0x64]
sub ecx, dword [ebp - 0x68]
sar ecx, 1
mov dword [ebp - 0x70], ecx
mov edx, dword [ebp - 0x70]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
add eax, 1
xor ecx, ecx
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.004cdd57
add esp, 4
mov dword [ebp - 0x5c], eax
mov eax, dword [ebp - 0x5c]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
add eax, 1
push eax
push 0
mov ecx, dword [ebp - 8]
push ecx
call fcn.00406b90
add esp, 0xc
mov eax, dword [ebp + 8]
push eax
mov ecx, dword [ebp - 4]
add ecx, 1
push ecx
mov edx, dword [ebp - 8]
push edx
call fcn.004f54a6
add esp, 0xc
mov byte [ebp - 9], 1
mov dword [ebp - 0x10], 0
mov dword [ebp - 0x14], 0
jmp 0x4b72df
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp - 4]
jg 0x4b734d
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
movzx edx, word [ecx + eax*2]
cmp edx, 0x5c
jne 0x4b734b
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ecx + eax*2]
mov word [ebp - 0x18], dx
xor eax, eax
mov ecx, dword [ebp - 0x10]
mov edx, dword [ebp - 8]
mov word [edx + ecx*2], ax
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4b7334
push 0
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x4b7334
mov byte [ebp - 9], 0
jmp 0x4b734d
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ebp - 0x18]
mov word [ecx + eax*2], dx
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x14], eax
jmp 0x4b72d6
mov eax, dword [ebp - 8]
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp - 0x60]
push ecx
call fcn.004cdd60
add esp, 4
mov al, byte [ebp - 9]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4b8e60
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x65b170
mov eax, dword fs:[0]
push eax
sub esp, 0x2c0
mov eax, dword [0x6f03ac]
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 str._c_c_c_c_c_c_c_c_c_c_c_c_c_c_c._c_c_c
lea eax, [ebp - 0x28]
push eax
call fcn.004ab347
add esp, 0x50
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.00405b6c
mov byte [ebp - 4], 1
push 0x66d1b8
lea ecx, [ebp - 0x40]
call fcn.00405ad6
push 0x66d1bc
lea ecx, [ebp - 0x40]
call fcn.00405ad6
push 0x6da5d0
lea ecx, [ebp - 0x40]
call fcn.00405ad6
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.00407fc3
lea ecx, [ebp - 0x40]
call fcn.0040599e
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4b8f83
push 0x208
push 0
lea eax, [ebp - 0x248]
push eax
call fcn.004e5a10
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.004b8030
lea eax, [ebp - 0x248]
push eax
lea ecx, [ebp - 0x40]
call fcn.00405ad6
push 0x6da5d0
lea ecx, [ebp - 0x40]
call fcn.00405ad6
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.00407fc3
lea ecx, [ebp - 0x40]
call fcn.0040599e
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4b8f9f
mov byte [ebp - 0x2ca], 1
jmp 0x4b8fa6
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.00402ebe
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x28]
call fcn.00402ebe
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.004cdce5
mov esp, ebp
pop ebp
ret
Function at 0x4c1200
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 0x4c1218
cmp dword [ebp + 0xc], 0
jne 0x4c1222
mov eax, 1
jmp 0x4c131d
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 0x4c1252
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4c131d
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 0x4c127b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4c131d
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x4c1291
mov eax, 8
jmp 0x4c131d
cmp dword [ebp + 0x10], 0
je 0x4c129f
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.004cdd57
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.004e5a10
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 0x4c1302
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4c131d
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x4c1311
mov eax, 1
jmp 0x4c131d
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 0x4c18f0
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 0x4c190c
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x4c1913
mov eax, 1
jmp 0x4c1975
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 0x4c1940
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4c1975
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 0x4c1969
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4c1975
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 0x4c6860
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 + 0x700920], eax
inc edx
cmp edx, 0x100
jb 0x4c6862
push esi
mov eax, 0x700924
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x700920]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x700920]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x700920]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x700920]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x4c6907
mov dword [0x700904], 0x4c7db0
mov dword [0x7008fc], 0x4c7db0
mov dword [0x700900], 0x4c7e50
call fcn.004c7bc0
mov ecx, dword [0x7008fc]
test eax, eax
mov edx, 0x4c7e50
cmove ecx, edx
mov dword [0x7008fc], ecx
pop esi
ret

Function at 0x4c6ac0
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 0x4c6b13
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 0x4c6b1a
test ecx, ecx
je 0x4c6b13
test esi, esi
jne 0x4c6ad8
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 0x4c6b30
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 0x4c6b83
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 0x4c6b8a
test ecx, ecx
je 0x4c6b83
test esi, esi
jne 0x4c6b48
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 0x4c8280
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 0x4c82a0
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 0x4c82c9
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4c82c6
inc eax
cmp eax, ebx
jb 0x4c82b7
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x4c83cd
cmp edx, 2
jbe 0x4c8352
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x4c83b9
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 0x4c8389
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x4c8387
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 0x4c8385
add ebx, ecx
jmp 0x4c8387
mov ecx, edx
shr esi, cl
test esi, esi
je 0x4c82e2
cmp esi, 4
ja 0x4c8377
cmp esi, 3
je 0x4c8377
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x4c82e2
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x4c82b0
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 0x4c82b0
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x4c82b0
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 0x4d0ffc
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 0x5053cb
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0050508e

Function at 0x5053d6
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0050520f

Function at 0x50a10f
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00509dcf
Function at 0x518e50
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 0x518e99
mov al, byte [esi]
push eax
call fcn.00528250
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 0x518e77
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret
Function at 0x5233f0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, dword [ebp + 8]
cmp byte [edi + 0x6f2], 0
je 0x523473
cmp dword [edi + 0x1b0], 0
je 0x52343d
push esi
push 1
push edi
call fcn.00515120
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.00515120
add esp, 0x24
mov eax, esi
pop esi
pop edi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x523473
push dword [edi + 0x148]
lea eax, [eax + eax*2]
push 1
add eax, 0x67fc70
push 2
push eax
call fcn.004edd17
push dword [edi + 0x148]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.004edd17
add esp, 0x20
xor eax, eax
pop edi
pop ebp
ret

Function at 0x5237f0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6f03ac]
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.00523c70
add esp, 0xc
test eax, eax
je 0x52384b
pop edi
mov dword [esi], 0x1b
or eax, 0xffffffff
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdce5
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 0x5238c8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp ebx, 0x2733
jne 0x523890
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.004cdce5
mov esp, ebp
pop ebp
ret
push 0x100
lea eax, [ebp - 0x104]
push eax
push ebx
call fcn.00511080
push eax
push str.Send_failure:__s
push dword [ebp - 0x108]
call fcn.00523480
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.004cdce5
mov esp, ebp
pop ebp
ret
Function at 0x523c70
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 0x523d41
cmp dword [ecx + edx*4 + 0x160], 0x5236f0
jne 0x523d41
cmp dword [esi], 0
je 0x523cb8
test edi, edi
je 0x523d41
mov ebx, dword [ecx + edx*4 + 0x148]
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.00532700
add esp, 0x14
cmp eax, 0xffffffff
je 0x523d41
test al, 1
je 0x523d41
mov ecx, dword [esi]
test ecx, ecx
jne 0x523d1c
mov eax, dword [ebp + 8]
mov eax, dword [eax + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x6f0dec]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
jne 0x523d07
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 0x523d3a
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 0x523d41
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 0x523ed0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp byte [eax + 0x19c], 0
je 0x523ef0
push eax
call fcn.0051d3e0
add esp, 4
test eax, eax
jne 0x523f0e
xor al, al
pop ebp
ret
mov eax, dword [eax + 0x148]
cmp eax, 0xffffffff
je 0x523eec
push 2
push 1
lea ecx, [ebp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x523eec
mov al, 1
pop ebp
ret

Function at 0x524100
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x188
mov eax, dword [0x6f03ac]
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.004e5a10
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 0x52417d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.00511080
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x5241c0
push edi
push esi
push dword [ebp - 0x188]
lea eax, [ebp - 0x184]
push eax
call fcn.00523d50
add esp, 0x10
test al, al
jne 0x5241c9
call fcn.004ee5b0
mov esi, dword [eax]
call fcn.004ee5b0
mov edi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.00511080
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00523480
add esp, 0x1c
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004cdce5
mov esp, ebp
pop ebp
ret
Function at 0x524950
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x6fda2c]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x5249a1
push 3
push 2
push eax
push 6
call fcn.0054f6f0
add esp, 0x10
test al, al
je 0x524995
mov dword [0x6fda2c], 2
mov esp, ebp
pop ebp
ret
mov dword [0x6fda2c], 1
jmp 0x5249a6
cmp eax, 2
je 0x5249e6
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 0x5249cd
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x5249e6
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 0x525850
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x6f03ac]
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 0x5258ad
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00523540
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdce5
mov esp, ebp
pop ebp
ret
push dword [esi + 0x698]
mov dword [ebp - 0x10], 1
call fcn.00525ac0
push dword [esi + 0x69c]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.00525ac0
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 0x52591d
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.00523540
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.004cdce5
mov esp, ebp
pop ebp
ret

Function at 0x525930
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6f03ac]
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 0x525992
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00511080
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00523540
add esp, 0x18
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.004cdce5
mov esp, ebp
pop ebp
ret

Function at 0x525aa0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.004030a0
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.00504bc6
Function at 0x525d20
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push edi
push 0x672464
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [ebp - 4], eax
test eax, eax
jne 0x525d40
pop edi
mov esp, ebp
pop ebp
ret
push ebx
push esi
push 0x6800cc
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [ebp + 8]
mov ebx, eax
push 0x6800dc
push esi
mov dword [ebp - 8], ebx
call fcn.0050adb0
add esp, 8
test eax, eax
je 0x525d8c
test ebx, ebx
je 0x525d7c
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 0x525db5
push str.AddDllDirectory
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x525db5
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 0x525e78
mov ecx, esi
lea ebx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x525dd1
sub ecx, ebx
sar ecx, 1
lea eax, [ecx + edx]
lea eax, [eax*2 + 2]
push eax
call dword [0x6f0dec]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x525e6e
push dword [ebp - 4]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x525e6e
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x525e10
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 0x525e30
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 0x525e45
mov eax, dword [ebp - 8]
test eax, eax
je 0x525e65
push 8
push 0
push ebx
call eax
jmp 0x525e6c
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov edi, eax
push ebx
call dword [0x6f0df0]
add esp, 4
pop esi
pop ebx
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret