joyce8/EMBER2024-capa huggingface dataset:
Function at 0x5209d0
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0xc]
xor eax, eax
test esi, esi
je 0x520a17
push edi
mov edi, dword [esp + 0xc]
movzx edx, byte [edi]
lea edi, [edi + 1]
mov ecx, edx
shr edx, 4
xor ecx, eax
shr eax, 4
and ecx, 0xf
and eax, 0xfff
xor eax, dword [ecx*4 + 0x598b30]
xor edx, eax
shr eax, 4
and edx, 0xf
and eax, 0xfff
xor eax, dword [edx*4 + 0x598b30]
dec esi
jne 0x5209e0
pop edi
pop esi
ret 8

Function at 0x522040
Capabilities:
Identify system language via api

Disassembly:
sub esp, 0x18
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersion]
call esi
test eax, eax
jns 0x5220f2
call esi
cmp al, 4
jae 0x5220f2
push edi
push 0x14
lea eax, [esp + 0xc]
push eax
push 0x444144
push 0x45017c
push 0x450188
call dword [sym.imp.KERNEL32.dll_GetProfileStringA]
xor esi, esi
mov edi, 0x598b78
lea ecx, [ecx]
mov eax, edi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x522095
sub eax, edx
push eax
lea eax, [esp + 0xc]
push eax
push edi
call fcn.0054ffbf
add esp, 0xc
test eax, eax
je 0x5220d5
inc esi
add edi, 8
cmp esi, 0x10
jb 0x522090
pop edi
mov dword [0x5a28c4], 0x809
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret
mov eax, dword [esi*8 + 0x598b7c]
pop edi
mov dword [0x5a28c4], eax
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret
call dword [sym.imp.KERNEL32.dll_GetUserDefaultUILanguage]
movzx eax, ax
mov ecx, eax
and ecx, 0x3ff
cmp ecx, 4
jne 0x522142
shr eax, 0xa
mov ecx, eax
sub ecx, 3
je 0x522118
dec ecx
je 0x52213b
dec ecx
jne 0x52211d
mov eax, 1
movzx eax, ax
shl eax, 0xa
or eax, 4
mov dword [0x5a28c4], eax
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret
mov eax, 2
jmp 0x52211d
mov eax, ecx
mov ecx, dword [esp + 0x18]
or eax, 0x800
pop esi
xor ecx, esp
mov dword [0x5a28c4], eax
call fcn.0054a992
add esp, 0x18
ret
Function at 0x522d60
Capabilities:
Query or enumerate registry value

Disassembly:
sub esp, 0x18
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x24]
push ebx
push ebp
mov ebp, dword [esp + 0x28]
push esi
push edi
mov dword [esp + 0x10], eax
xor edi, edi
mov eax, dword [esp + 0x2c]
mov esi, 2
cmp eax, 0xa
ja case.0x522d8e.3
jmp dword [eax*4 + 0x522e9c]
mov edi, 0x450274
jmp case.0x522d8e.3
mov edi, 0x4502ac
jmp 0x522dc4
mov edi, 0x4502ac
jmp case.0x522d8e.3
mov edi, 0x4502e4
jmp case.0x522d8e.3
mov edi, 0x450318
jmp 0x522dc4
mov edi, 0x45034c
jmp 0x522dc4
mov edi, 0x450388
mov esi, 3
mov eax, dword [esp + 0x38]
mov edx, 0x20119
mov dword [esp + 0x1c], eax
mov ecx, 0x20019
xor eax, eax
cmp esi, 2
sete al
add eax, reloc.WS2_32.dll_accept
cmp dword [0x5a4390], 0
cmovne ecx, edx
lea edx, [esp + 0x18]
push edx
push ecx
push 0
push edi
push eax
mov dword [esp + 0x28], ecx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov ebx, eax
test ebx, ebx
jne 0x522e36
lea eax, [esp + 0x1c]
push eax
push dword [esp + 0x14]
lea eax, [esp + 0x28]
push eax
push ebx
push ebp
push dword [esp + 0x2c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [esp + 0x18]
mov ebx, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test ebx, ebx
je 0x522e7e
cmp esi, 3
jne 0x522e7e
lea eax, [esp + 0x18]
push eax
push dword [esp + 0x18]
push 0
push edi
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov ebx, eax
test ebx, ebx
jne 0x522e7e
lea eax, [esp + 0x1c]
push eax
push dword [esp + 0x14]
lea eax, [esp + 0x28]
push eax
push ebx
push ebp
push dword [esp + 0x2c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [esp + 0x18]
mov ebx, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
test ebx, ebx
pop ebp
cmove eax, dword [esp + 0x10]
pop ebx
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret
Function at 0x522f30
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x44
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x40], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x54]
xor ebx, ebx
push edi
mov ebp, 0x19
xor edi, edi
nop
cmp edi, 6
jge 0x522fd4
push 0
push 0x24
push 0
push 0x3c
push dword [esi + 0x20]
call dword [sym.imp.KERNEL32.dll_LockFile]
mov ebx, eax
test ebx, ebx
jne 0x522f75
push ebp
call dword [sym.imp.KERNEL32.dll_Sleep]
add ebp, ebp
inc edi
test ebx, ebx
je 0x522f50
push 0x40
lea eax, [esp + 0x14]
mov dword [esi + 0x24], 1
push 0
push eax
call fcn.0054b440
add esp, 0xc
lea eax, [esp + 0x2c]
push 0x24
push eax
push 0x3c
push esi
call fcn.00523180
test eax, eax
je 0x523066
lea ecx, [esp + 0x30]
xor edx, edx
lea edi, [esi + 0x74]
mov ebx, ecx
lea eax, [edi + 0x1f]
cmp ebx, eax
ja 0x522ff0
lea eax, [esp + 0x4f]
cmp eax, edi
jb 0x522ff0
mov al, byte [edi + edx]
lea ecx, [ecx + 1]
add byte [ecx - 1], al
inc edx
cmp edx, 0x20
jl 0x522fc3
jmp 0x523019
test ebx, ebx
jne 0x522f7a
mov dword [0x598c84], 0x64
jmp 0x523084
movdqu xmm0, xmmword [esp + 0x30]
movdqu xmm1, xmmword [edi]
paddb xmm1, xmm0
movdqu xmm0, xmmword [esp + 0x40]
movdqu xmmword [esp + 0x30], xmm1
movdqu xmm1, xmmword [edi + 0x10]
paddb xmm1, xmm0
movdqu xmmword [esp + 0x40], xmm1
mov eax, dword [esp + 0x2e]
lea edx, [esp + 0x30]
add eax, dword [esp + 0x2c]
mov edi, 0x20
movzx eax, ax
lea ecx, [ecx]
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
dec edi
jne 0x523030
cmp dword [esp + 0x4c], edi
je 0x52309b
mov dword [0x598c84], 0x65
cmp dword [esi + 0x24], 0
je 0x523084
push 0
push 0x24
push 0
push 0x3c
push dword [esi + 0x20]
call dword [sym.imp.KERNEL32.dll_UnlockFile]
mov dword [esi + 0x24], 0
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x40]
xor ecx, esp
call fcn.0054a992
add esp, 0x44
ret 4
movzx eax, word [esp + 0x32]
mov ecx, dword [esp + 0x50]
mov dword [esi + 0x40], eax
movzx eax, word [esp + 0x34]
mov dword [esi + 0x44], eax
mov al, byte [esp + 0x36]
mov byte [esi + 0x50], al
movzx eax, word [esp + 0x30]
pop edi
mov dword [esi + 4], eax
mov eax, 1
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0054a992
add esp, 0x44
ret 4
Function at 0x5230e0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x10]
push esi
push ebx
push dword [esp + 0x1c]
push edi
call fcn.00523180
test eax, eax
je 0x523167
xor edx, edx
mov ecx, ebx
test esi, esi
je 0x52311b
mov eax, edx
lea ecx, [ecx + 1]
and eax, 0x1f
inc edx
mov al, byte [eax + edi + 0x74]
add byte [ecx - 1], al
cmp edx, esi
jb 0x523107
mov ax, word [edi + 0x32]
mov edx, ebx
add ax, word [edi + 0x30]
movzx eax, ax
test esi, esi
je 0x523156
mov edi, esi
mov edi, edi
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
dec edi
jne 0x523130
cmp dword [ebx + esi - 4], 0
je 0x52316f
mov dword [0x598c84], 0x65
pop edi
pop esi
xor eax, eax
pop ebx
ret 0x10
pop edi
pop esi
mov eax, 1
pop ebx
ret 0x10

Function at 0x523180
Capabilities:
Read file on windows

Disassembly:
sub esp, 8
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 4], eax
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
push 0
push 0
push dword [esp + 0x20]
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test eax, eax
jne 0x5231ca
pop edi
mov dword [0x598c84], 0x65
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.0054a992
add esp, 8
ret 0x10
push esi
mov esi, dword [esp + 0x24]
lea eax, [esp + 0xc]
push 0
push eax
push esi
push ebx
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x523204
cmp dword [esp + 0xc], esi
jne 0x523204
pop esi
pop edi
mov eax, 1
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.0054a992
add esp, 8
ret 0x10
mov ecx, dword [esp + 0x10]
xor eax, eax
pop esi
pop edi
pop ebx
xor ecx, esp
mov dword [0x598c84], 0x62
call fcn.0054a992
add esp, 8
ret 0x10

Function at 0x523230
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
sub esp, 8
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 4], eax
mov ecx, dword [esp + 0x10]
push ebx
push esi
mov esi, dword [esp + 0x14]
lea ebx, [ecx + 0x14]
lea edx, [ecx + 0x18]
push edi
mov edi, 0x18
movzx eax, word [esi + 0x40]
mov word [ebx], ax
movzx eax, word [esi + 0x44]
mov word [ecx + 0x16], ax
movzx eax, word [esi + 0x54]
mov word [edx], ax
movzx eax, word [esi + 0x44]
add ax, word [esi + 0x40]
movzx eax, ax
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
dec edi
jne 0x523275
mov eax, dword [esi + 0x60]
push 0x1c
push ebx
add eax, 0x14
push eax
push esi
call fcn.005249c0
test eax, eax
jne 0x5232c3
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.0054a992
add esp, 8
ret 8
cmp dword [esi + 0x6c], 0
je 0x5232d0
mov byte [esp + 0xf], 0xfa
jmp 0x5232d7
mov al, byte [esi + 0x50]
mov byte [esp + 0xf], al
push 1
lea eax, [esp + 0x13]
push eax
push dword [esi + 0x5c]
push esi
call fcn.005249c0
mov ecx, dword [esp + 0x10]
neg eax
pop edi
pop esi
sbb eax, eax
pop ebx
xor ecx, esp
neg eax
call fcn.0054a992
add esp, 8
ret 8
Function at 0x523340
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
sub esp, 0x40
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x3c], eax
push ebp
mov ebp, dword [esp + 0x50]
lea eax, [esp + 7]
push esi
mov esi, dword [esp + 0x4c]
push 1
push eax
push dword [esi + 0x5c]
push esi
call fcn.00523180
test eax, eax
je 0x52337d
cmp byte [esp + 0xb], 0xfa
jbe 0x523392
mov dword [0x598c84], 0x67
pop esi
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.0054a992
add esp, 0x40
ret 0xc
push edi
push 0x38
xor edi, edi
lea eax, [esp + 0x14]
push edi
push eax
call fcn.0054b440
add esp, 0xc
lea eax, [esp + 0x24]
push 0x1d
push eax
mov eax, dword [esi + 0x60]
add eax, 0x14
push eax
push esi
call fcn.00523180
test eax, eax
jne 0x5233d1
pop edi
pop esi
pop ebp
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.0054a992
add esp, 0x40
ret 0xc
mov eax, dword [esp + 0x26]
lea edx, [esp + 0x28]
add eax, dword [esp + 0x24]
push ebx
movzx eax, ax
mov ebx, 0x18
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
dec ebx
jne 0x5233e6
cmp dword [esp + 0x40], edi
je 0x523433
pop ebx
pop edi
pop esi
mov dword [0x598c84], 0x65
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.0054a992
add esp, 0x40
ret 0xc
mov ax, word [esp + 0x2c]
cmp ax, word [esi + 0x54]
je 0x52345f
pop ebx
pop edi
pop esi
mov dword [0x598c84], 0x67
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.0054a992
add esp, 0x40
ret 0xc
mov eax, dword [esi + 0x6c]
test eax, eax
je 0x52346e
push eax
call fcn.00527030
mov edi, eax
test ebp, ebp
je 0x5234d1
test edi, edi
je 0x5234d1
cmp dword [edi + 0x10], 1
jne 0x5234d1
cmp byte [esp + 0x13], 0xfa
jae 0x5234d1
mov al, byte [esp + 0x44]
test al, al
jne 0x5234b0
test byte [edi + 0x28], 0x80
jne 0x5234b0
push dword [edi + 0x34]
mov eax, dword [esi + 0x64]
push dword [edi + 0x2c]
add eax, dword [esi + 0x60]
push eax
push esi
call fcn.00523180
test eax, eax
je 0x523534
mov al, byte [esp + 0x44]
movzx eax, al
xor ecx, ecx
test eax, eax
mov dword [edi + 0x14], eax
mov dword [edi + 0x10], 2
sete cl
mov dword [edi + 0x18], ecx
mov dword [esi + 0x6c], 0
mov dword [ebp], edi
mov edx, dword [esp + 0x58]
test edx, edx
je 0x523552
mov edi, dword [esi + 0x3c]
xor ecx, ecx
mov ebx, dword [esi + 0x44]
cmp edi, ebx
jbe 0x5234f9
mov eax, dword [esi + 0x40]
cmp eax, dword [esi + 0x38]
jbe 0x5234fd
mov ecx, ebx
sub ecx, edi
add ecx, 0xa8c0
jmp 0x5234fd
mov ecx, ebx
sub ecx, edi
add ecx, ecx
jns 0x523505
xor ecx, ecx
jmp 0x523512
mov eax, 0xffff
cmp ecx, 0xffff
jg 0x523515
movzx eax, cx
cmp eax, edx
jae 0x52354b
sub edx, eax
mov eax, edx
xor edx, edx
div dword [esi + 0x34]
mov dword [esi + 0x14], eax
cmp eax, 1
jbe 0x523552
mov dword [0x598c84], 0x63
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.0054a992
add esp, 0x40
ret 0xc
mov dword [esi + 0x14], 0
mov ecx, dword [esp + 0x4c]
mov eax, 1
pop ebx
pop edi
pop esi
pop ebp
xor ecx, esp
call fcn.0054a992
add esp, 0x40
ret 0xc
Function at 0x5249c0
Capabilities:
Write file on windows

Disassembly:
sub esp, 8
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 4], eax
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
push 0
push 0
push dword [esp + 0x20]
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test eax, eax
jne 0x524a0a
pop edi
mov dword [0x598c84], 0x65
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.0054a992
add esp, 8
ret 0x10
push esi
mov esi, dword [esp + 0x24]
lea eax, [esp + 0xc]
push 0
push eax
push esi
push ebx
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x524a44
cmp dword [esp + 0xc], esi
jne 0x524a44
pop esi
pop edi
mov eax, 1
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.0054a992
add esp, 8
ret 0x10
mov ecx, dword [esp + 0x10]
xor eax, eax
pop esi
pop edi
pop ebx
xor ecx, esp
mov dword [0x598c84], 0x61
call fcn.0054a992
add esp, 8
ret 0x10

Function at 0x524a70
Capabilities:
Encode data using xor
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x104], eax
push ebx
push esi
push 0x100
xor ebx, ebx
lea eax, [esp + 0x10]
push ebx
push eax
call fcn.0054b440
add esp, 0xc
lea eax, [esp + 0xc]
push 0xff
push eax
push 0x44e1f0
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x524beb
cmp esi, 0x20
jae 0x524beb
mov ecx, 0x44e1fc
lea eax, [esp + 0xc]
lea esp, [esp]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x524af0
test dl, dl
je 0x524aec
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x524af0
add eax, 2
add ecx, 2
test dl, dl
jne 0x524ad0
xor eax, eax
jmp 0x524af5
sbb eax, eax
or eax, 1
test eax, eax
je 0x524beb
mov ecx, 0x44e204
lea eax, [esp + 0xc]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x524b26
test dl, dl
je 0x524b22
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x524b26
add eax, 2
add ecx, 2
test dl, dl
jne 0x524b06
xor eax, eax
jmp 0x524b2b
sbb eax, eax
or eax, 1
test eax, eax
je 0x524beb
push 8
lea eax, [esp + 0x10]
push 0x44e214
push eax
call fcn.0054caf0
add esp, 0xc
test eax, eax
jne 0x524ba8
lea eax, [esp + 8]
mov dword [esp + 8], ebx
push eax
lea eax, [esp + 0x10]
push 0x44e220
push eax
call fcn.0054fb9d
add esp, 0xc
cmp eax, 1
jne 0x524b87
mov eax, dword [esp + 8]
inc eax
and eax, 0x800000ff
jns 0x524b7e
dec eax
or eax, 0xffffff00
inc eax
movzx ebx, byte [eax + 0x598ce8]
jmp 0x524bc6
xor edx, edx
test esi, esi
je 0x524bcd
lea ecx, [ecx]
movsx ecx, byte [esp + edx + 0xc]
inc edx
movzx eax, bx
xor ecx, eax
movzx ebx, byte [ecx + 0x598ce8]
cmp edx, esi
jb 0x524b90
jmp 0x524bc6
xor edx, edx
test esi, esi
je 0x524bcd
mov edi, edi
movsx ecx, byte [esp + edx + 0xc]
inc edx
movzx eax, bx
xor ecx, eax
movzx ebx, byte [ecx + 0x598ce8]
cmp edx, esi
jb 0x524bb0
xor eax, eax
cmp ax, bx
jne 0x524bd2
mov ebx, 0xff
pop esi
mov al, bl
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0054a992
add esp, 0x108
ret
mov ecx, dword [esp + 0x10c]
xor al, al
pop esi
pop ebx
xor ecx, esp
call fcn.0054a992
add esp, 0x108
ret
Function at 0x524c10
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x220
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x21c], eax
push esi
mov esi, dword [esp + 0x228]
lea eax, [esp + 0x120]
push 0x100
push eax
call sub.WS2_32.dll_gethostname
cmp eax, 0xffffffff
jne 0x524c5d
xor al, al
pop esi
mov ecx, dword [esp + 0x21c]
xor ecx, esp
call fcn.0054a992
add esp, 0x220
ret 4
lea eax, [esp + 0x120]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x524c43
mov eax, dword [eax + 0xc]
push ebx
push 1
mov eax, dword [eax]
mov ebx, dword [eax]
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x20]
mov dword [esp + 0x1c], 0x10c
push eax
call fcn.00528490
test eax, eax
jne 0x524cac
mov edx, dword [esp + 0x18]
test edx, edx
jle 0x524cac
lea ecx, [esp + 0x1c]
nop
cmp dword [ecx], ebx
je 0x524cb3
inc eax
add ecx, 0x18
cmp eax, edx
jl 0x524ca0
xor al, al
jmp 0x524d77
lea eax, [eax + eax*2]
mov edx, dword [esp + eax*8 + 0x24]
test edx, edx
je 0x524cac
mov ecx, dword [esi + 4]
mov eax, ebx
shr eax, 0x18
and ecx, edx
mov byte [esp + 0x14], al
not edx
mov eax, ebx
mov byte [esp + 0xf], cl
shr eax, 0x10
mov byte [esp + 0x15], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x16], al
movzx eax, byte [esi + 7]
mov byte [esp + 8], al
movzx eax, byte [esi + 6]
mov byte [esp + 9], al
movzx eax, byte [esi + 5]
mov byte [esp + 0xa], al
movzx eax, byte [esi + 4]
mov byte [esp + 0xb], al
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0xd], al
mov eax, ecx
mov ecx, dword [esp + 8]
shr eax, 8
mov byte [esp + 0xe], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x10], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x11], al
mov eax, edx
shr eax, 8
mov byte [esp + 0x12], al
mov byte [esp + 0x13], dl
mov eax, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0x10]
or eax, edi
mov byte [esp + 0x1b], bl
cmp ecx, edi
jbe 0x524d67
cmp ecx, eax
jae 0x524d65
mov edx, dword [esp + 0x18]
cmp edx, edi
jbe 0x524d65
cmp edx, eax
jb 0x524d6d
cmp ecx, edi
je 0x524d90
cmp ecx, eax
je 0x524d90
mov dword [esi + 8], 1
mov al, 1
pop edi
mov ecx, dword [esp + 0x224]
pop ebx
pop esi
xor ecx, esp
call fcn.0054a992
add esp, 0x220
ret 4
mov dword [esi + 8], 0
xor al, al
jmp 0x524d76
Function at 0x524ef0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x14], eax
push ebx
mov ebx, dword [esp + 0x2c]
push ebp
mov ebp, dword [esp + 0x2c]
push esi
push edi
xor esi, esi
push esi
push 1
push 2
call sub.WS2_32.dll_socket
mov edi, eax
cmp edi, 0xffffffff
je 0x525041
push 4
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 1
push eax
push 1
push 6
push edi
call sub.WS2_32.dll_setsockopt
xorps xmm0, xmm0
mov eax, 2
movdqu xmmword [esp + 0x14], xmm0
mov word [esp + 0x14], ax
lea eax, [esp + 0x14]
push 0x10
push eax
push edi
call sub.WS2_32.dll_bind
cmp eax, 0xffffffff
je 0x52502e
push 0x64
call fcn.00522730
mov esi, eax
add esp, 4
test esi, esi
je 0x52502e
push 0x64
push 0
push esi
call fcn.0054b440
mov dword [esi + 4], edi
add esp, 0xc
mov eax, dword [0x5a2900]
mov dword [esi], eax
mov eax, dword [esp + 0x30]
mov dword [0x5a2900], esi
mov dword [esi + 0x3c], eax
mov eax, dword [esp + 0x2c]
movdqu xmm0, xmmword [eax]
movdqu xmmword [esi + 0xc], xmm0
movdqu xmm0, xmmword [eax + 0x10]
movdqu xmmword [esi + 0x1c], xmm0
movdqu xmm0, xmmword [eax + 0x20]
mov dword [esi + 0x60], 0
movdqu xmmword [esi + 0x2c], xmm0
mov dword [esi + 0x24], 0
test ebx, ebx
je 0x525000
push ebx
call fcn.00522730
add esp, 4
mov dword [esi + 0x60], eax
test eax, eax
je 0x52502e
push ebp
push ebx
push eax
call fcn.0054db28
add esp, 0xc
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret 0x10
push 2
call fcn.00522730
mov dword [esi + 0x60], eax
add esp, 4
mov byte [eax], 0
mov eax, dword [esi + 0x60]
pop edi
mov byte [eax + 1], 0
mov eax, esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret 0x10
push edi
call sub.WS2_32.dll_closesocket
test esi, esi
jne 0x525041
push esi
call fcn.00549ff4
add esp, 4
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret 0x10

Function at 0x525060
Capabilities:
Get hostname

Disassembly:
push ebp
push esi
mov esi, dword [esp + 0xc]
xor ebp, ebp
push edi
xor edi, edi
test esi, esi
jne 0x525089
push dword [esp + 0x14]
call fcn.00522730
mov edi, eax
add esp, 4
test edi, edi
jne 0x525087
pop edi
pop esi
pop ebp
ret 8
mov esi, edi
push dword [esp + 0x14]
push esi
call sub.WS2_32.dll_gethostname
cmp eax, 0xffffffff
je 0x5250ac
lea ecx, [esi + 1]
jmp 0x5250a0
mov al, byte [esi]
inc esi
test al, al
jne 0x5250a0
sub esi, ecx
lea ebp, [esi + 1]
push edi
call fcn.00549ff4
add esp, 4
mov eax, ebp
pop edi
pop esi
pop ebp
ret 8
Function at 0x525480
Capabilities:
Connect socket

Disassembly:
sub esp, 0x14
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x10], eax
push esi
mov esi, dword [esp + 0x1c]
xorps xmm0, xmm0
movdqu xmmword [esp + 4], xmm0
mov eax, 2
mov word [esp + 4], ax
mov eax, dword [esi + 0x54]
mov dword [esp + 8], eax
movzx eax, word [0x5a2908]
push eax
call sub.WS2_32.dll_htons
mov word [esp + 6], ax
lea eax, [esp + 4]
push 0x10
push eax
push dword [esi + 4]
call sub.WS2_32.dll_connect
pop esi
test eax, eax
jns 0x5254f0
mov dword [0x598c84], 0x69
xor eax, eax
mov ecx, dword [esp + 0x10]
xor ecx, esp
call fcn.0054a992
add esp, 0x14
ret 4
mov ecx, dword [esp + 0x10]
mov eax, 1
xor ecx, esp
call fcn.0054a992
add esp, 0x14
ret 4
Function at 0x5258c0
Capabilities:
Create udp socket
Initialize winsock library
Set socket configuration

Disassembly:
sub esp, 0x1a8
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x1a4], eax
cmp dword [0x5a2910], 0
jne 0x5259b8
lea eax, [esp + 0x14]
mov dword [0x5a2910], 1
push eax
push 0x101
call sub.WS2_32.dll_WSAStartup
test eax, eax
jne 0x5259b8
push 4
push 0x5a2908
push 0x4503c4
push 7
mov dword [0x5a290c], 1
call fcn.00522d60
add esp, 0x10
test eax, eax
je 0x525936
mov eax, dword [0x5a2908]
test eax, eax
je 0x525936
cmp eax, 0xffff
jbe 0x525940
mov dword [0x5a2908], 0x574b
push 0x7fff
call fcn.0054cb68
add esp, 4
mov dword [0x5a2904], eax
test eax, eax
je 0x5259b3
push 0
push 2
push 2
call sub.WS2_32.dll_socket
mov dword [0x598de8], eax
cmp eax, 0xffffffff
je 0x5259b3
push 4
lea ecx, [esp + 4]
mov dword [esp + 4], 1
push ecx
push 0x20
push 0xffff
push eax
mov dword [esp + 0x18], 2
mov dword [esp + 0x1c], 0
call sub.WS2_32.dll_setsockopt
cmp eax, 0xffffffff
je 0x5259b3
push 0x10
lea eax, [esp + 8]
push eax
push dword [0x598de8]
call sub.WS2_32.dll_bind
cmp eax, 0xffffffff
jne 0x5259b8
call fcn.00526110
mov ecx, dword [esp + 0x1a4]
xor ecx, esp
call fcn.0054a992
add esp, 0x1a8
ret

Function at 0x526180
Capabilities:
Create tcp socket
Create udp socket
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x59b000]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
push 0
push 1
push 2
mov eax, dword [esi + 8]
and eax, 0xfffffffd
or eax, 1
mov dword [esi + 8], eax
call sub.WS2_32.dll_socket
mov dword [esi + 4], eax
cmp eax, 0xffffffff
je 0x52623e
push 4
lea ecx, [esp + 8]
mov dword [esp + 8], 1
push ecx
push 1
push 6
push eax
call sub.WS2_32.dll_setsockopt
xorps xmm0, xmm0
mov eax, 2
movdqu xmmword [esp + 8], xmm0
mov word [esp + 8], ax
lea eax, [esp + 8]
push 0x10
push eax
push dword [esi + 4]
call sub.WS2_32.dll_bind
cmp eax, 0xffffffff
je 0x52623e
or dword [esi + 0xc], 8
test dword [esi + 0x3c], 0x200000
movzx eax, word [esi + 0x44]
je 0x52620b
movzx eax, word [esi + 0x1e]
push 0
push 0
push 0
push eax
push 0
push esi
call fcn.00525160
test eax, eax
je 0x52623e
mov ecx, dword [0x598ca0]
pop esi
mov dword [ecx + 0x14], eax
mov eax, 1
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret 4
mov ecx, dword [esp + 0x18]
xor eax, eax
mov dword [0x598c84], 0x63
or dword [esi + 8], 2
pop esi
xor ecx, esp
call fcn.0054a992
add esp, 0x18
ret 4