joyce8/EMBER2024-capa huggingface dataset:
Function at 0x52b690
Capabilities:
Get file size
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x614e0b
push eax
mov eax, 0x2718
mov dword fs:[0], esp
call fcn.005ee010
mov eax, dword [0xe94b78]
push edi
mov dword [esp + 4], eax
mov ecx, 0x9c4
xor eax, eax
lea edi, [esp + 0xc]
mov dword [esp + 0x2724], 0
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x272c]
push ecx
lea ecx, [esp + 8]
call fcn.00602b60
push 0x5c
lea ecx, [esp + 8]
call fcn.00602dda
mov edx, dword [esp + 0x2730]
lea ecx, [esp + 4]
push edx
call fcn.00602db3
mov eax, dword [esp + 4]
push 0
push 0x80
push 3
push 0
push 3
push 0x40000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
jne 0x52b736
lea ecx, [esp + 4]
mov dword [esp + 0x2724], eax
call fcn.006029d7
xor eax, eax
jmp 0x52b7b3
push ebx
push esi
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push 0
push 0
mov esi, eax
push 0x40
push edi
sub esi, 0x40
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test esi, esi
jbe 0x52b791
mov ebx, dword [sym.imp.KERNEL32.dll_WriteFile]
cmp esi, 0x2710
push 0
jbe 0x52b783
lea ecx, [esp + 0x14]
lea edx, [esp + 0x18]
push ecx
push 0x2710
push edx
push edi
call ebx
sub esi, 0x2710
jne 0x52b75d
jmp 0x52b791
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
push esi
push ecx
push edi
call ebx
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [esp + 0xc]
mov dword [esp + 0x272c], 0xffffffff
call fcn.006029d7
pop esi
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x271c]
pop edi
mov dword fs:[0], ecx
add esp, 0x2724
ret 8

Function at 0x52fbb7
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x6151a6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push ebx
push esi
mov esi, ecx
push edi
mov dword [esp + 0xc], esi
lea ecx, [esi + 0x14]
call fcn.006015ce
mov eax, dword [0xe94b78]
xor edi, edi
mov dword [esp + 0x18], edi
mov dword [esi + 0x48], eax
mov ebx, dword [esp + 0x20]
mov ecx, dword [esp + 0x24]
cmp ebx, edi
mov byte [esp + 0x18], 1
mov dword [esi], 0xcda0b4
mov dword [esi + 4], edi
mov dword [esi + 8], ecx
mov dword [esi + 0x40], edi
mov dword [esi + 0x44], edi
je 0x52fc14
push ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
inc eax
push eax
call fcn.00602718
add esp, 4
mov dword [esi + 4], eax
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov ecx, dword [esp + 0x10]
or eax, 0xffffffff
mov dword [esi + 0xc], edi
mov dword [esi + 0x10], edi
mov dword [esi + 0x28], edi
mov dword [esi + 0x2c], eax
mov dword [esi + 0x30], eax
mov dword [esi + 0x34], eax
mov dword [esi + 0x38], eax
mov dword [esi + 0x3c], eax
mov dword [esi + 0x4c], edi
mov eax, esi
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x10
ret 8
Function at 0x53af10
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x28
push ebp
push esi
mov esi, ecx
xor ebp, ebp
push edi
cmp dword [esi + 0x78], ebp
je 0x53b0cd
push ebx
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x20], ebp
mov dword [esp + 0x24], ebp
mov dword [esp + 0x28], ebp
mov dword [esp + 0x2c], 1
mov dword [esp + 0x30], ebp
mov dword [esp + 0x34], ebp
mov dword [esp + 0x14], ebp
mov dword [esp + 0x10], ebp
mov eax, dword [esi + 0x90]
cmp eax, ebp
je 0x53b046
mov ecx, dword [esi + 0x94]
sub ecx, eax
mov eax, dword [esp + 0x14]
sar ecx, 4
cmp eax, ecx
jae 0x53b046
xor ebx, ebx
mov edx, dword [esi + 0x90]
mov eax, dword [esp + 0x10]
add eax, edx
mov ecx, dword [eax + 4]
cmp ecx, ebp
je 0x53b02d
mov edx, dword [eax + 8]
sub edx, ecx
sar edx, 2
cmp ebx, edx
jae 0x53b02d
mov eax, ecx
mov ecx, esi
mov edi, dword [eax + ebx*4]
push edi
call fcn.0053c180
mov ebp, eax
test ebp, ebp
je 0x53b025
push ebp
mov ecx, esi
call fcn.0053d610
test eax, eax
je 0x53b025
mov edx, dword [esi + 0x74]
cmp edi, edx
je 0x53b025
mov eax, dword [esp + 0x10]
xor ecx, ecx
test ebx, ebx
sete cl
mov dword [esp + 0x24], ecx
mov ecx, dword [esi + 0x90]
add eax, ecx
mov ecx, dword [eax + 4]
test ecx, ecx
jne 0x53afe6
xor eax, eax
jmp 0x53afee
mov eax, dword [eax + 8]
sub eax, ecx
sar eax, 2
dec eax
xor ecx, ecx
cmp ebx, eax
lea eax, [edi + 1]
sete cl
mov dword [esp + 0x28], ecx
xor ecx, ecx
cmp eax, edx
sete cl
dec edi
mov dword [esp + 0x30], ecx
xor eax, eax
cmp edi, edx
mov edx, dword [esp + 0x3c]
lea ecx, [esp + 0x18]
sete al
push ecx
push edx
mov ecx, ebp
mov dword [esp + 0x3c], eax
call fcn.0053dfe0
inc ebx
xor ebp, ebp
jmp 0x53af77
mov ecx, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
inc ecx
add eax, 0x10
mov dword [esp + 0x14], ecx
mov dword [esp + 0x10], eax
jmp 0x53af50
mov eax, dword [esi + 0x74]
mov ecx, esi
push eax
call fcn.0053c490
test eax, eax
pop ebx
je 0x53b0cd
mov ecx, dword [esi + 0x74]
push ecx
mov ecx, esi
call fcn.0053c180
mov edi, eax
cmp edi, ebp
je 0x53b0cd
push edi
mov ecx, esi
call fcn.0053d610
test eax, eax
je 0x53b0cd
mov eax, 1
lea edx, [esi + 0x1f8]
mov dword [esp + 0x28], eax
mov dword [esp + 0x18], eax
mov eax, dword [esi + 0x74]
mov ecx, esi
push eax
mov dword [esp + 0x18], ebp
mov dword [esp + 0x24], ebp
mov dword [esp + 0x28], ebp
mov dword [esp + 0x30], ebp
mov dword [esp + 0x34], ebp
mov dword [esp + 0x20], edx
call fcn.0053c6d0
mov ecx, dword [esi + 0x74]
mov dword [esp + 0x20], eax
push ecx
mov ecx, esi
call fcn.0053c740
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x38]
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push eax
call fcn.0053dfe0
pop edi
pop esi
pop ebp
add esp, 0x28
ret 4
Function at 0x543cd0
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x616281
push eax
mov dword fs:[0], esp
sub esp, 0xec
push edi
mov edi, ecx
mov eax, dword [edi + 0x5c]
test eax, eax
jne 0x543d0d
xor eax, eax
pop edi
mov ecx, dword [esp + 0xec]
mov dword fs:[0], ecx
add esp, 0xf8
ret
push esi
push 0x400
lea ecx, [esp + 0xc]
call fcn.0060a9c0
push 0
push 0x1000
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x40]
mov dword [esp + 0x10c], 0
call fcn.00609d08
lea ecx, [esp + 0x30]
mov byte [esp + 0xfc], 1
push ecx
mov ecx, dword [edi + 0x5c]
call fcn.0053ca00
lea ecx, [esp + 8]
call fcn.0060ac6b
lea ecx, [esp + 0x30]
call fcn.00609e6c
mov edx, dword [esp + 8]
push 0
push 0
lea ecx, [esp + 0x10]
call dword [edx + 0x28]
push 0
push 0x1000
lea eax, [esp + 0x10]
push 1
push eax
lea ecx, [esp + 0x84]
call fcn.00609d08
lea ecx, [esp + 0x74]
lea esi, [edi + 0x60]
push ecx
mov ecx, esi
mov byte [esp + 0x100], 2
call fcn.0053ce70
lea ecx, [esp + 0x74]
call fcn.00609e6c
lea ecx, [esp + 8]
call fcn.0060ac6c
mov eax, dword [edi + 0x5c]
lea edx, [esp + 0xb8]
push edx
push 0x3c
mov eax, dword [eax + 0xc8]
push eax
call dword [sym.imp.GDI32.dll_GetObjectA]
lea ecx, [esp + 0xb8]
push ecx
mov ecx, esi
call fcn.0053a6a0
mov edx, dword [edi + 0x5c]
push 0xffffffffffffffff
mov ecx, esi
mov eax, dword [edx + 0xdc]
mov dword [esi + 0xdc], eax
call fcn.0053c9a0
mov ecx, esi
call fcn.0053d550
mov eax, dword [edi + 0x5c]
push 0xffffffffffffffff
mov ecx, esi
mov eax, dword [eax + 0xe0]
mov dword [esi + 0xe0], eax
call fcn.0053c9a0
mov ecx, esi
call fcn.0053d550
mov ecx, dword [edi + 0x5c]
push 0xffffffffffffffff
mov eax, dword [ecx + 0xe4]
mov ecx, esi
mov dword [esi + 0xe4], eax
call fcn.0053c9a0
mov ecx, esi
call fcn.0053d550
mov ecx, dword [edi + 0x5c]
call fcn.00539e80
push eax
mov ecx, esi
call fcn.00539e90
mov ecx, dword [edi + 0x5c]
call fcn.0053a440
push eax
mov ecx, esi
call fcn.0053a3e0
mov ecx, dword [edi + 0x5c]
call fcn.0053a560
push eax
mov ecx, esi
call fcn.0053a510
mov ecx, dword [edi + 0x5c]
push 0
call fcn.00539760
push eax
mov ecx, esi
call fcn.00539770
mov edx, dword [edi + 0x7c]
push 1
push 0
push edx
call dword [sym.imp.USER32.dll_InvalidateRect]
lea ecx, [esp + 0x74]
mov byte [esp + 0xfc], 1
call fcn.00609de4
lea ecx, [esp + 0x30]
mov byte [esp + 0xfc], 0
call fcn.00609de4
lea ecx, [esp + 8]
mov dword [esp + 0xfc], 0xffffffff
call fcn.0060aa85
mov ecx, dword [esp + 0xf4]
pop esi
mov eax, 1
pop edi
mov dword fs:[0], ecx
add esp, 0xf8
ret
Function at 0x545560
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x6164a7
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x158
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
mov dword [esp + 0xc], esi
mov dword [esi], method.CMenu.virtual_0
mov dword [esi + 4], ebx
lea ecx, [esi + 0x1c]
mov dword [esp + 0x16c], ebx
call fcn.006009ad
lea ecx, [esi + 0x24]
mov byte [esp + 0x16c], 1
call fcn.006009ad
mov edi, dword [sym.imp.USER32.dll_GetSysColor]
push 7
mov byte [esp + 0x170], 2
mov dword [esi], method.CMenu.virtual_0
call edi
push 0xe
mov dword [esi + 0x2c], eax
call edi
push 0xf
mov dword [esi + 0x30], eax
call edi
push 4
mov dword [esi + 0x34], eax
call edi
push 0xd
mov dword [esi + 0x38], eax
call edi
push 0x14
mov dword [esi + 0x3c], eax
call edi
push 0x10
mov dword [esi + 0x40], eax
call edi
push 0x11
mov dword [esi + 0x44], eax
call edi
push 0xf
mov dword [esi + 0x48], eax
call edi
push 0x14
mov dword [esi + 0x4c], eax
call edi
push 0x10
mov dword [esi + 0x50], eax
call edi
mov dword [esi + 0x54], eax
mov eax, 0x14
mov ecx, eax
mov dword [esi + 0x14], eax
mov dword [esi + 0x18], ecx
mov ecx, 0x55
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
lea eax, [esp + 0x10]
push ebx
push eax
push ebx
push 0x29
mov dword [esi + 0x58], ebx
mov dword [esi + 0x5c], ebx
mov dword [esi + 0x60], ebx
mov dword [esi + 0x64], ebx
mov dword [esi + 0xc], ebx
mov dword [esp + 0x20], 0x154
call dword [sym.imp.USER32.dll_SystemParametersInfoA]
lea ecx, [esp + 0xb0]
push ecx
call dword [sym.imp.GDI32.dll_CreateFontIndirectA]
mov ecx, esi
mov dword [esi + 0x10], eax
mov dword [esi + 8], ebx
call fcn.00546080
mov eax, esi
mov ecx, dword [esp + 0x164]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x164
ret
Function at 0x5460d0
Capabilities:
Extract resource via kernel32 functions

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x616580
push eax
mov dword fs:[0], esp
sub esp, 8
push ebx
push ebp
push esi
push edi
mov esi, ecx
call fcn.0060cb06
mov edi, dword [eax + 0xc]
xor ebp, ebp
cmp edi, ebp
jne 0x546103
xor al, al
jmp 0x54622f
mov ebx, dword [esp + 0x28]
push 0xf1
and ebx, 0xffff
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, ebp
jne 0x546125
xor al, al
jmp 0x54622f
push eax
push edi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, ebp
jne 0x546138
xor al, al
jmp 0x54622f
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
cmp edi, ebp
jne 0x54614c
xor al, al
jmp 0x54622f
xor eax, eax
xor ecx, ecx
mov ax, word [edi + 2]
push ebp
mov dword [esi + 0x14], eax
xor eax, eax
mov ax, word [edi + 4]
mov edx, dword [esi + 0x14]
mov dword [esi + 0x18], eax
mov cx, word [edi + 6]
push ecx
push 5
push eax
push edx
lea ecx, [esi + 0x1c]
call fcn.00600a72
test eax, eax
jne 0x546180
xor al, al
jmp 0x54622f
mov eax, dword [esi + 0x34]
push eax
mov eax, dword [esi + 0x20]
push eax
call dword [sym.imp.COMCTL32.dll_ImageList_SetBkColor]
mov dword [esp + 0x14], ebp
mov dword [esp + 0x10], 0xcdb0f4
mov dword [esp + 0x20], ebp
call fcn.0060cb06
mov eax, dword [eax + 0xc]
push ebx
push eax
call dword [sym.imp.USER32.dll_LoadBitmapA]
push eax
lea ecx, [esp + 0x14]
call fcn.006099bd
mov edx, dword [esp + 0x14]
mov ecx, dword [esi + 0x20]
lea eax, [esp + 0x10]
push 0xc0c0c0
neg eax
sbb eax, eax
and eax, edx
push eax
push ecx
call dword [sym.imp.COMCTL32.dll_ImageList_AddMasked]
lea ecx, [esp + 0x10]
call fcn.00609a14
xor ecx, ecx
lea ebx, [edi + 8]
cmp word [edi + 6], cx
jbe 0x546214
mov ax, word [ebx]
test ax, ax
je 0x546206
mov edx, ecx
inc ecx
mov dword [esp + 0x28], ecx
push eax
push edx
mov ecx, esi
call fcn.00546250
mov ecx, dword [esp + 0x28]
xor edx, edx
inc ebp
mov dx, word [edi + 6]
add ebx, 2
cmp ebp, edx
jl 0x5461ea
mov dword [esp + 0x10], method.CGdiObject.virtual_0
lea ecx, [esp + 0x10]
mov dword [esp + 0x20], 1
call fcn.00609a14
mov al, 1
mov ecx, dword [esp + 0x18]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x14
ret 4

Function at 0x546750
Capabilities:
Get graphical window text

Disassembly:
mov eax, dword [esp + 8]
sub esp, 0x50
push esi
mov esi, dword [esp + 0x58]
push edi
push eax
mov ecx, esi
call fcn.0060b0a9
mov edi, eax
mov eax, dword [esi]
test eax, eax
je 0x546796
lea ecx, [esp + 8]
push 0x50
push ecx
push edi
call dword [sym.imp.USER32.dll_GetWindowTextA]
lea edx, [esp + 8]
push edx
call fcn.005ed448
mov ecx, dword [esp + 0x68]
add esp, 4
pop edi
mov dword [ecx], eax
pop esi
add esp, 0x50
ret 0xc
mov edx, dword [esp + 0x64]
lea ecx, [esp + 8]
mov eax, dword [edx]
push eax
push 0xdcc1f0
push ecx
call fcn.005ef717
add esp, 0xc
lea edx, [esp + 8]
push edx
push edi
call dword [sym.imp.USER32.dll_SetWindowTextA]
pop edi
pop esi
add esp, 0x50
ret 0xc
Function at 0x54a390
Capabilities:
Terminate process

Disassembly:
push ecx
push ebx
push ebp
push esi
push 0x800
call fcn.005ee317
mov esi, dword [esp + 0x18]
add esp, 4
mov edx, eax
xor ebp, ebp
test esi, esi
mov dword [esp + 0xc], edx
jne 0x54a3b8
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
push edi
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
pop edi
cmp ecx, 0x800
jbe 0x54a3d3
pop esi
pop ebp
pop ebx
pop ecx
ret
mov al, byte [esi]
inc esi
test al, al
je 0x54a4a9
cmp ebp, 0x400
je 0x54a494
cmp al, 0x25
jne 0x54a473
mov al, byte [esi]
inc esi
test al, al
je 0x54a48c
mov cl, byte [esi]
inc esi
test cl, cl
mov byte [esp + 0x14], cl
je 0x54a48c
movsx eax, al
push eax
call fcn.005ef769
movsx ecx, byte [esp + 0x18]
push ecx
mov bl, al
call fcn.005ef769
movsx edx, bl
push edx
mov byte [esp + 0x20], al
call fcn.005ed5b3
add esp, 0xc
test eax, eax
je 0x54a4a2
movsx eax, byte [esp + 0x14]
push eax
call fcn.005ed5b3
add esp, 4
test eax, eax
je 0x54a4a2
cmp bl, 0x39
jg 0x54a452
add bl, 0xd0
jmp 0x54a455
add bl, 0xa9
mov al, byte [esp + 0x14]
cmp al, 0x39
jg 0x54a461
add al, 0xd0
jmp 0x54a463
add al, 0xa9
mov ecx, dword [esp + 0xc]
shl bl, 4
add bl, al
mov edx, ecx
mov byte [ecx + ebp], bl
jmp 0x54a480
cmp al, 0x2b
jne 0x54a47d
mov byte [edx + ebp], 0x20
jmp 0x54a480
mov byte [edx + ebp], al
mov al, byte [esi]
inc ebp
inc esi
test al, al
jne 0x54a3de
cmp ebp, 0x400
jne 0x54a4a9
pop esi
pop ebp
mov byte [edx + 0x3ff], 0
mov eax, edx
pop ebx
pop ecx
ret
push 0
call fcn.005f01ef
mov byte [edx + ebp], 0
pop esi
pop ebp
mov eax, edx
pop ebx
pop ecx
ret

Function at 0x54ded0
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 0
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x54df00
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 1
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x54df30
Capabilities:
Create tcp socket
Initialize winsock library

Disassembly:
sub esp, 0x190
lea eax, [esp]
push eax
push 1
call sub.WS2_32.dll_WSAStartup
test eax, eax
je 0x54df50
or eax, 0xffffffff
add esp, 0x190
ret
push 6
push 1
push 2
call sub.WS2_32.dll_socket
add esp, 0x190
ret
Function at 0x54df80
Capabilities:
Connect socket
Get socket status

Disassembly:
sub esp, 0x228
push esi
mov esi, dword [esp + 0x234]
test esi, esi
je 0x54e16e
mov ecx, dword [esp + 0x23c]
mov eax, 0x66666667
imul ecx
sar edx, 2
mov eax, edx
push ebx
shr eax, 0x1f
add edx, eax
push edi
test edx, edx
mov edi, 1
mov dword [esp + 0xc], edx
jg 0x54dfc1
mov dword [esp + 0xc], edi
xor ecx, ecx
push esi
mov dword [esp + 0x18], ecx
mov word [esp + 0x18], 2
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], ecx
mov dword [esp + 0x24], ecx
call sub.WS2_32.dll_inet_addr
mov edx, dword [esp + 0x240]
mov dword [esp + 0x18], eax
push edx
call sub.WS2_32.dll_htons
mov esi, dword [esp + 0x238]
mov word [esp + 0x16], ax
push esi
call fcn.0054df00
add esp, 4
call dword [sym.imp.KERNEL32.dll_GetTickCount]
lea eax, [esp + 0x14]
push 0x10
push eax
push esi
call sub.WS2_32.dll_connect
test eax, eax
jge 0x54e157
call fcn.0054db70
push eax
call fcn.0054e180
add esp, 4
cmp eax, 0xffffd8cd
je 0x54e054
cmp eax, 0xffffd8cc
je 0x54e054
push esi
mov edi, eax
call fcn.0054ded0
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
mov eax, dword [esp + 0xc]
mov dword [esp + 0x10], 0
test eax, eax
jle 0x54e109
lea ebx, [esi + 1]
lea ecx, [esp + 0x24]
lea edx, [esp + 0x2c]
push ecx
push 0
lea eax, [esp + 0x138]
push edx
push eax
push ebx
mov dword [esp + 0x44], esi
mov dword [esp + 0x40], edi
mov dword [esp + 0x148], esi
mov dword [esp + 0x144], edi
mov dword [esp + 0x38], 0
mov dword [esp + 0x3c], 0x2710
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
je 0x54e13d
lea ecx, [esp + 0x2c]
push ecx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x54e157
lea edx, [esp + 0x130]
push edx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x54e157
mov ecx, dword [esp + 0x248]
mov eax, dword [esp + 0x24c]
cmp dword [ecx], eax
je 0x54e123
call fcn.0054db70
test eax, eax
jne 0x54e13d
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
inc eax
cmp eax, ecx
mov dword [esp + 0x10], eax
jl 0x54e06b
push esi
mov edi, 0xfffffff5
call fcn.0054ded0
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xffffffec
call fcn.0054ded0
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xfffffffb
call fcn.0054ded0
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
xor edi, edi
call fcn.0054ded0
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
xor eax, eax
pop esi
add esp, 0x228
ret
Function at 0x54e590
Capabilities:
Get socket status
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov ecx, dword [esp + 0x114]
push esi
mov esi, dword [esp + 0x114]
mov dword [esp + 0xc], 1
test ecx, ecx
mov dword [esp + 0x10], esi
jne 0x54e5c3
push ecx
lea eax, [esp + 0x10]
push ecx
push eax
push ecx
lea ecx, [esi + 1]
push ecx
jmp 0x54e61b
cmp ecx, 0xffffffff
jne 0x54e5da
mov dword [esp + 4], 0
mov dword [esp + 8], 0
jmp 0x54e609
mov eax, 0x10624dd3
imul ecx
sar edx, 6
mov eax, edx
shr eax, 0x1f
add edx, eax
mov eax, ecx
mov dword [esp + 4], edx
mov ecx, 0x3e8
cdq
idiv ecx
lea eax, [edx + edx*4]
lea eax, [eax + eax*4]
lea edx, [eax + eax*4]
shl edx, 3
mov dword [esp + 8], edx
lea eax, [esp + 4]
lea ecx, [esp + 0xc]
push eax
push 0
push ecx
lea edx, [esi + 1]
push 0
push edx
call sub.WS2_32.dll_select
test eax, eax
jge 0x54e631
mov eax, 0xfffffffb
pop esi
add esp, 0x10c
ret
jne 0x54e640
mov eax, 0xfffffffa
pop esi
add esp, 0x10c
ret
lea eax, [esp + 0xc]
push eax
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x54e699
mov ecx, dword [esp + 0x11c]
mov edx, dword [esp + 0x120]
push 0
push ecx
push edx
push esi
call sub.WS2_32.dll_send
test eax, eax
jg 0x54e681
call fcn.0054db70
push eax
call fcn.0054e180
add esp, 4
pop esi
add esp, 0x10c
ret
mov ecx, dword [0xece418]
test ecx, ecx
je 0x54e69e
mov edx, dword [ecx]
pop esi
add edx, eax
mov dword [ecx], edx
add esp, 0x10c
ret
mov eax, 0xfffffff7
pop esi
add esp, 0x10c
ret

Function at 0x54e6b0
Capabilities:
Resolve dns

Disassembly:
mov eax, dword [esp + 4]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x54e6bf
ret
mov ecx, dword [eax + 0xc]
push esi
push edi
mov edx, dword [ecx]
mov eax, dword [edx]
push eax
call sub.WS2_32.dll_inet_ntoa
mov edi, eax
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov eax, dword [esp + 0x10]
not ecx
sub edi, ecx
mov edx, ecx
mov esi, edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
ret

Function at 0x54e850
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x14
mov edx, dword [esp + 0x18]
lea eax, [esp]
lea ecx, [esp + 4]
push eax
push ecx
push edx
mov dword [esp + 0xc], 0x10
call sub.WS2_32.dll_getsockname
test eax, eax
jne 0x54e886
mov eax, dword [esp + 6]
push eax
call sub.WS2_32.dll_ntohs
and eax, 0xffff
add esp, 0x14
ret
or eax, 0xffffffff
add esp, 0x14
ret

Function at 0x54e890
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x64
lea eax, [esp]
push esi
push 0x64
push eax
xor esi, esi
call sub.WS2_32.dll_gethostname
lea ecx, [esp + 4]
push ecx
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x54e8b5
pop esi
add esp, 0x64
ret
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
test eax, eax
je 0x54e8c8
mov eax, dword [eax]
push eax
call sub.WS2_32.dll_inet_ntoa
mov esi, eax
mov eax, esi
pop esi
add esp, 0x64
ret
Function at 0x54ebf0
Capabilities:
Terminate thread

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
push esi
push eax
call fcn.0054ed20
add esp, 8
test eax, eax
jne 0x54ec09
pop esi
ret
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x54ec15
pop esi
ret
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov dword [esi + 0x8c], 0
pop esi
ret

Function at 0x54ec30
Capabilities:
Terminate thread

Disassembly:
push esi
push edi
mov edi, dword [esp + 0x10]
mov eax, dword [edi + 0x38c]
mov esi, dword [edi]
push eax
call fcn.0054ef10
add esp, 4
test esi, esi
je 0x54ecba
mov edi, dword [esp + 0xc]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x54ecae
cmp dword [esi + 8], 0xffffffff
je 0x54ecae
push 0
push eax
call ebp
mov dword [esi + 0x8c], 0
mov ecx, dword [edi + 0xa0]
test ecx, ecx
je 0x54ec9c
mov eax, dword [esi + 0x1c]
push 0
lea edx, [eax*8]
sub edx, eax
lea eax, [ecx + edx*4]
mov ecx, dword [ecx + edx*4 + 0x14]
mov edx, dword [eax + 0xc]
add ecx, edx
push ecx
jmp 0x54eca0
push 0
push 0
push esi
push 8
push 0x15
push edi
call fcn.0054a8a0
add esp, 0x18
mov esi, dword [esi + 0x48]
test esi, esi
jne 0x54ec56
mov edi, dword [esp + 0x14]
pop ebp
mov edx, dword [edi + 0x38c]
push edx
call fcn.0054ef20
add esp, 4
pop edi
pop esi
ret

Function at 0x550100
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
mov edx, eax
dec eax
test edx, edx
je 0x55013c
push ebx
push esi
lea esi, [eax + 1]
mov eax, dword [esp + 0x14]
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, ah
mov ax, word [edx*2 + 0xcdb100]
xor ax, bx
inc ecx
dec esi
jne 0x550118
pop esi
pop ebx
ret
mov ax, word [esp + 0xc]
ret