joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4f9550
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 0x4f970d
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 0x4f9686
mov ecx, dword [esi + 0x94]
sub ecx, eax
mov eax, dword [esp + 0x14]
sar ecx, 4
cmp eax, ecx
jae 0x4f9686
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 0x4f966d
mov edx, dword [eax + 8]
sub edx, ecx
sar edx, 2
cmp ebx, edx
jae 0x4f966d
mov eax, ecx
mov ecx, esi
mov edi, dword [eax + ebx*4]
push edi
call fcn.004fa7c0
mov ebp, eax
test ebp, ebp
je 0x4f9665
push ebp
mov ecx, esi
call fcn.004fbc20
test eax, eax
je 0x4f9665
mov edx, dword [esi + 0x74]
cmp edi, edx
je 0x4f9665
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 0x4f9626
xor eax, eax
jmp 0x4f962e
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.004fc5c0
inc ebx
xor ebp, ebp
jmp 0x4f95b7
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 0x4f9590
mov eax, dword [esi + 0x74]
mov ecx, esi
push eax
call fcn.004faad0
test eax, eax
pop ebx
je 0x4f970d
mov ecx, dword [esi + 0x74]
push ecx
mov ecx, esi
call fcn.004fa7c0
mov edi, eax
cmp edi, ebp
je 0x4f970d
push edi
mov ecx, esi
call fcn.004fbc20
test eax, eax
je 0x4f970d
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.004fad10
mov ecx, dword [esi + 0x74]
mov dword [esp + 0x20], eax
push ecx
mov ecx, esi
call fcn.004fad80
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x38]
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push eax
call fcn.004fc5c0
pop edi
pop esi
pop ebp
add esp, 0x28
ret 4
Function at 0x502170
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x576f71
push eax
mov dword fs:[0], esp
sub esp, 0xec
push edi
mov edi, ecx
mov eax, dword [edi + 0x5c]
test eax, eax
jne 0x5021ad
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.0056bf1b
push 0
push 0x1000
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x40]
mov dword [esp + 0x10c], 0
call fcn.0056b263
lea ecx, [esp + 0x30]
mov byte [esp + 0xfc], 1
push ecx
mov ecx, dword [edi + 0x5c]
call fcn.004fb040
lea ecx, [esp + 8]
call fcn.0056c1c6
lea ecx, [esp + 0x30]
call fcn.0056b3c7
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.0056b263
lea ecx, [esp + 0x74]
lea esi, [edi + 0x60]
push ecx
mov ecx, esi
mov byte [esp + 0x100], 2
call fcn.004fb4e0
lea ecx, [esp + 0x74]
call fcn.0056b3c7
lea ecx, [esp + 8]
call fcn.0056c1c7
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.004f8ce0
mov edx, dword [edi + 0x5c]
push 0xffffffffffffffff
mov ecx, esi
mov eax, dword [edx + 0xdc]
mov dword [esi + 0xdc], eax
call fcn.004fafe0
mov ecx, esi
call fcn.004fbb60
mov eax, dword [edi + 0x5c]
push 0xffffffffffffffff
mov ecx, esi
mov eax, dword [eax + 0xe0]
mov dword [esi + 0xe0], eax
call fcn.004fafe0
mov ecx, esi
call fcn.004fbb60
mov ecx, dword [edi + 0x5c]
push 0xffffffffffffffff
mov eax, dword [ecx + 0xe4]
mov ecx, esi
mov dword [esi + 0xe4], eax
call fcn.004fafe0
mov ecx, esi
call fcn.004fbb60
mov ecx, dword [edi + 0x5c]
call fcn.004f84c0
push eax
mov ecx, esi
call fcn.004f84d0
mov ecx, dword [edi + 0x5c]
call fcn.004f8a80
push eax
mov ecx, esi
call fcn.004f8a20
mov ecx, dword [edi + 0x5c]
call fcn.004f8ba0
push eax
mov ecx, esi
call fcn.004f8b50
mov ecx, dword [edi + 0x5c]
push 0
call fcn.004f7da0
push eax
mov ecx, esi
call fcn.004f7db0
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.0056b33f
lea ecx, [esp + 0x30]
mov byte [esp + 0xfc], 0
call fcn.0056b33f
lea ecx, [esp + 8]
mov dword [esp + 0xfc], 0xffffffff
call fcn.0056bfe0
mov ecx, dword [esp + 0xf4]
pop esi
mov eax, 1
pop edi
mov dword fs:[0], ecx
add esp, 0xf8
ret
Function at 0x503a10
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x577197
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.00561e27
lea ecx, [esi + 0x24]
mov byte [esp + 0x16c], 1
call fcn.00561e27
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.00504530
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 0x504580
Capabilities:
Extract resource via kernel32 functions

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x577270
push eax
mov dword fs:[0], esp
sub esp, 8
push ebx
push ebp
push esi
push edi
mov esi, ecx
call fcn.0056e335
mov edi, dword [eax + 0xc]
xor ebp, ebp
cmp edi, ebp
jne 0x5045b3
xor al, al
jmp 0x5046df
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 0x5045d5
xor al, al
jmp 0x5046df
push eax
push edi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, ebp
jne 0x5045e8
xor al, al
jmp 0x5046df
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
cmp edi, ebp
jne 0x5045fc
xor al, al
jmp 0x5046df
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.00561ed7
test eax, eax
jne 0x504630
xor al, al
jmp 0x5046df
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], 0x715a9c
mov dword [esp + 0x20], ebp
call fcn.0056e335
mov eax, dword [eax + 0xc]
push ebx
push eax
call dword [sym.imp.USER32.dll_LoadBitmapA]
push eax
lea ecx, [esp + 0x14]
call fcn.0056af18
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.0056af6f
xor ecx, ecx
lea ebx, [edi + 8]
cmp word [edi + 6], cx
jbe 0x5046c4
mov ax, word [ebx]
test ax, ax
je 0x5046b6
mov edx, ecx
inc ecx
mov dword [esp + 0x28], ecx
push eax
push edx
mov ecx, esi
call fcn.00504700
mov ecx, dword [esp + 0x28]
xor edx, edx
inc ebp
mov dx, word [edi + 6]
add ebx, 2
cmp ebp, edx
jl 0x50469a
mov dword [esp + 0x10], method.CGdiObject.virtual_0
lea ecx, [esp + 0x10]
mov dword [esp + 0x20], 1
call fcn.0056af6f
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 0x504c40
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.0056c604
mov edi, eax
mov eax, dword [esi]
test eax, eax
je 0x504c86
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.0053f838
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 0x73aecc
push ecx
call fcn.00540f11
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 0x50bc40
Capabilities:
Log keystrokes via polling

Disassembly:
push ebx
mov ebx, ecx
push ebp
push esi
mov eax, dword [ebx + 0x13c]
push edi
test eax, eax
jle 0x50bc8c
mov eax, dword [ebx + 0x140]
test eax, eax
jle 0x50bc8c
mov ebp, dword [sym.imp.USER32.dll_GetKeyState]
xor esi, esi
lea edi, [ebx + 0x150]
mov eax, dword [edi]
test eax, eax
je 0x50bc76
push eax
call ebp
test ax, ax
jl 0x50bc84
inc esi
add edi, 4
cmp esi, 6
jb 0x50bc68
pop edi
pop esi
pop ebp
pop ebx
ret
push esi
mov ecx, ebx
call fcn.0050b940
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x50fa40
Capabilities:
Create thread

Disassembly:
push ecx
cmp dword [ecx + 0xcc], 1
je 0x50faa0
mov eax, dword [ecx + 0x1c]
test eax, eax
je 0x50faa0
mov eax, dword [ecx + 0xb0]
test eax, eax
je 0x50faa0
push esi
mov edx, 5
mov esi, dword [ecx + 0xbc]
cmp esi, edx
pop esi
je 0x50faa0
mov dword [ecx + 0xb4], eax
mov dword [ecx + 0x94], 0
mov dword [ecx + 0xbc], edx
lea eax, [esp]
push eax
push 0
push ecx
push 0x50fab0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop ecx
ret
Function at 0x515d10
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x577da8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
mov eax, dword [esp + 0x40]
push ebx
push esi
lea ecx, [esp + 8]
push eax
push ecx
mov ecx, dword [esp + 0x4c]
call fcn.00516110
mov esi, eax
lea edx, [esp + 0x48]
xor ebx, ebx
push edx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x40], ebx
mov dword [esp + 0x4c], 0x78237c
call fcn.00541855
mov ecx, dword [0x7172e8]
mov al, byte [esi]
push ecx
push ebx
push esi
lea ecx, [esp + 0x30]
mov byte [esp + 0x48], 1
mov byte [esp + 0x30], al
mov dword [esp + 0x34], ebx
mov dword [esp + 0x38], ebx
mov dword [esp + 0x3c], ebx
call fcn.00513490
mov esi, 0x717340
mov dword [esp + 0x18], esi
mov eax, dword [esp + 0xc]
mov byte [esp + 0x3c], 3
cmp eax, ebx
je 0x515db7
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x515dae
cmp al, 0xff
je 0x515dae
dec al
mov byte [ecx], al
jmp 0x515db7
push ecx
call fcn.00563bea
add esp, 4
lea ecx, [esp + 0x18]
mov dword [esp + 0xc], ebx
mov dword [esp + 0x10], ebx
mov dword [esp + 0x14], ebx
call fcn.0055ef70
mov eax, dword [esp + 0x28]
mov dword [esp + 0x3c], 0xffffffff
cmp eax, ebx
mov dword [esp + 0x18], esi
je 0x515dfd
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x515df4
cmp al, 0xff
je 0x515df4
dec al
mov byte [ecx], al
jmp 0x515dfd
push ecx
call fcn.00563bea
add esp, 4
lea ecx, [esp + 0x18]
mov dword [esp + 0x28], ebx
mov dword [esp + 0x2c], ebx
mov dword [esp + 0x30], ebx
call fcn.005418dc
mov ecx, dword [esp + 0x34]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x38
ret
Function at 0x51b140
Capabilities:
Capture screenshot

Disassembly:
sub esp, 0x10
lea eax, [esp]
push esi
mov esi, dword [esp + 0x18]
push eax
mov ecx, dword [esi]
push ecx
call dword [sym.imp.USER32.dll_GetWindowRect]
mov edx, dword [esi]
push edx
call dword [sym.imp.USER32.dll_GetWindowDC]
push eax
mov dword [esi + 4], eax
call dword [sym.imp.GDI32.dll_CreateCompatibleDC]
push 1
push eax
mov dword [esi + 8], eax
call dword [sym.imp.GDI32.dll_SetBkMode]
mov eax, dword [esi + 0x10]
test eax, eax
je 0x51b18a
push eax
mov eax, dword [esi + 8]
mov dword [esi + 0x18], 0
push eax
jmp 0x51b1b9
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 8]
mov edx, dword [esp + 0xc]
sub ecx, eax
mov eax, dword [esi + 4]
push ecx
mov ecx, dword [esp + 8]
mov dword [esi + 0x18], 1
sub edx, ecx
push edx
push eax
call dword [sym.imp.GDI32.dll_CreateCompatibleBitmap]
mov ecx, dword [esi + 8]
push eax
mov dword [esi + 0x10], eax
push ecx
call dword [sym.imp.GDI32.dll_SelectObject]
mov dword [esi + 0x14], eax
mov eax, dword [esi + 0xc]
cmp eax, 1
jne 0x51b1fb
mov edx, dword [esi + 4]
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
push 0xcc0020
push 0
push 0
push edx
mov edx, dword [esp + 0x18]
sub eax, edx
mov edx, dword [esp + 0x14]
sub ecx, edx
mov edx, dword [esi + 8]
push eax
push ecx
push 0
push 0
push edx
call dword [sym.imp.GDI32.dll_BitBlt]
mov eax, dword [esi + 8]
pop esi
add esp, 0x10
ret 4
Function at 0x51de80
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x51dee6
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x51dee6
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x51dec7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret
Function at 0x51eae0
Capabilities:
Create tcp socket
Create udp socket
Set socket configuration

Disassembly:
push ecx
push esi
mov esi, ecx
call fcn.0051ec30
push 0
push 1
push 2
call sub.WS2_32.dll_socket
mov dword [esi], eax
cmp eax, 0xffffffff
pop esi
jne 0x51eb00
xor eax, eax
pop ecx
ret
lea ecx, [esp]
push 4
push ecx
push 0x1001
push 0xffff
push eax
mov dword [esp + 0x14], 0
call sub.WS2_32.dll_setsockopt
mov eax, 1
pop ecx
ret

Function at 0x51eae1
Capabilities:
Create tcp socket
Create udp socket
Set socket configuration

Disassembly:
push ecx
push esi
mov esi, ecx
call fcn.0051ec30
push 0
push 1
push 2
call sub.WS2_32.dll_socket
mov dword [esi], eax
cmp eax, 0xffffffff
pop esi
jne 0x51eb00
xor eax, eax
pop ecx
ret
lea ecx, [esp]
push 4
push ecx
push 0x1001
push 0xffff
push eax
mov dword [esp + 0x14], 0
call sub.WS2_32.dll_setsockopt
mov eax, 1
pop ecx
ret

Function at 0x51eb30
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
xor eax, eax
push esi
push edi
mov dword [esp + 8], eax
mov edi, ecx
mov dword [esp + 0xc], eax
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x10], eax
push ecx
mov dword [esp + 0x18], eax
mov word [esp + 0xc], 2
call sub.WS2_32.dll_htons
mov esi, dword [esp + 0x1c]
mov word [esp + 0xa], ax
push esi
call sub.WS2_32.dll_inet_addr
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x51eb87
push esi
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x51eb9d
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
mov ecx, dword [eax]
mov dword [esp + 0xc], ecx
lea edx, [esp + 8]
push 0x10
push edx
mov ecx, edi
call fcn.0051ebc0
pop edi
pop esi
add esp, 0x10
ret 8
push 0x2726
call sub.WS2_32.dll_WSASetLastError
pop edi
xor eax, eax
pop esi
add esp, 0x10
ret 8

Function at 0x51ebc0
Capabilities:
Connect socket

Disassembly:
mov eax, dword [esp + 8]
mov edx, dword [esp + 4]
push eax
mov eax, dword [ecx]
push edx
push eax
call sub.WS2_32.dll_connect
xor ecx, ecx
cmp eax, 0xffffffff
setne cl
mov eax, ecx
ret 8

Function at 0x51ec50
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x51ec99
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4
Function at 0x51f2e0
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x578170
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.0051ecc0
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.0051ed40
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.0051ed40
lea ecx, [esi + 0xc]
call fcn.00563e0b
lea ecx, [esi + 0x10]
call fcn.00563e0b
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.005218c0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.005218c0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.005218c0
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.00563e80
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.00563e80
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret

Function at 0x520108
Capabilities:
Get hostname

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x578398
push eax
mov dword fs:[0], esp
sub esp, 0x64
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 4]
test eax, eax
je 0x520118
call fcn.00520630
mov edi, dword [esp + 0x7c]
test edi, edi
je 0x5201fb
cmp byte [edi], 0
je 0x5201fb
mov eax, dword [esp + 0x8c]
test eax, eax
jg 0x52013d
mov eax, 0x7d0
mov ecx, esi
mov dword [esi + 8], eax
call fcn.0051eae0
test eax, eax
jne 0x52015d
push 0x741bcc
lea ecx, [esi + 0x38]
call fcn.00564009
jmp 0x5201fb
mov eax, dword [esp + 0x80]
mov ecx, esi
push eax
push edi
call fcn.0051eb30
test eax, eax
jne 0x52018c
mov ecx, esi
call fcn.0051ec30
push edi
add esi, 0x38
push 0x741ba8
push esi
call fcn.00560fcb
add esp, 0xc
jmp 0x5201fb
push 0xdc
mov ecx, esi
mov dword [esi + 4], 1
call fcn.00520eb0
test eax, eax
je 0x5201f4
lea ecx, [esp + 8]
push 0x64
push ecx
call sub.WS2_32.dll_gethostname
mov eax, dword [esp + 0x88]
mov ecx, dword [esp + 0x84]
lea edx, [esp + 0x8c]
mov dword [esp + 0x8c], 1
push edx
push eax
lea edx, [esp + 0x10]
push ecx
push edx
mov ecx, esi
call fcn.005202d0
test eax, eax
jne 0x520210
push edi
lea eax, [esi + 0x38]
push 0x741b84
push eax
call fcn.00560fcb
add esp, 0xc
mov ecx, esi
call fcn.00520630
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x64]
mov dword fs:[0], ecx
add esp, 0x70
ret 0x14
mov eax, dword [esp + 0x8c]
test eax, eax
je 0x5202b8
mov ecx, dword [0x748d0c]
mov dword [esp + 0x7c], ecx
lea edx, [esp + 8]
lea eax, [esp + 0x7c]
push edx
push str.HELO__s_r_n
push eax
mov dword [esp + 0x80], 0
call fcn.00560fcb
mov edx, dword [esp + 0x88]
or ecx, 0xffffffff
mov edi, edx
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
push edx
mov ecx, esi
call fcn.0051ebe0
test eax, eax
jne 0x52027a
push 0x741b68
lea ecx, [esi + 0x38]
call fcn.00564009
jmp 0x52028a
push 0xfa
mov ecx, esi
call fcn.00520eb0
test eax, eax
jne 0x5202a7
mov ecx, esi
call fcn.00520630
lea ecx, [esp + 0x7c]
mov dword [esp + 0x74], 0xffffffff
call fcn.00563e80
jmp 0x5201fb
lea ecx, [esp + 0x7c]
mov dword [esp + 0x74], 0xffffffff
call fcn.00563e80
mov ecx, dword [esp + 0x6c]
pop edi
mov eax, 1
pop esi
mov dword fs:[0], ecx
add esp, 0x70
ret 0x14
Function at 0x523950
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
xor ebp, ebp
push esi
cmp ebx, 1
push edi
jl 0x52396b
cmp ebx, 8
jg 0x52396b
mov eax, 1
jmp 0x52396d
xor eax, eax
mov esi, dword [esp + 0x14]
push str.bad_pack_level
push eax
push esi
call fcn.005221d0
mov eax, dword [esi + 0x6af70]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af78], ebp
jne 0x5239a4
mov dword [esi + 0x6af78], 1
mov dword [esi + 0x6af70], 0x10000
mov ecx, 0x7fff
xor eax, eax
lea edi, [esi + 0x4af70]
mov dword [esi + 0x6af6c], ebp
rep stosd dword es:[edi], eax
mov ax, word [ebx*8 + 0x7175da]
xor ecx, ecx
mov dword [esi + 0x6af98], eax
mov cx, word [ebx*8 + 0x7175d8]
xor edx, edx
mov dword [esi + 0x6af9c], ecx
mov dx, word [ebx*8 + 0x7175dc]
xor eax, eax
mov dword [esi + 0x6afa0], edx
mov ax, word [ebx*8 + 0x7175de]
cmp ebx, 2
mov dword [esi + 0x6af94], eax
jg 0x523a05
mov eax, dword [esp + 0x1c]
or byte [eax], 4
jmp 0x523a11
cmp ebx, 8
jl 0x523a11
mov eax, dword [esp + 0x1c]
or byte [eax], 2
lea edi, [esi + 0x1af70]
push 0x10000
push edi
push esi
mov dword [esi + 0x6af84], ebp
mov dword [esi + 0x6af74], ebp
call dword [esi + 0xc]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af90], eax
je 0x523a8a
cmp eax, 0xffffffff
je 0x523a8a
cmp eax, 0x106
mov dword [esi + 0x6af8c], ebp
jae 0x523a55
push esi
call fcn.00523ca0
add esp, 4
mov dword [esi + 0x6af7c], ebp
xor eax, eax
mov edx, dword [esi + 0x6af7c]
xor ecx, ecx
mov cl, byte [edi + eax]
and edx, 0x3ff
and ecx, 0x7fff
shl edx, 5
xor ecx, edx
inc eax
cmp eax, 2
mov dword [esi + 0x6af7c], ecx
jb 0x523a5d
pop edi
pop esi
pop ebp
pop ebx
ret
mov dword [esi + 0x6af8c], 1
mov dword [esi + 0x6af90], ebp
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x524d20
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x524d2b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x524e2e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x717628]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x717628]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x717628]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x717628]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x717628]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x717628]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x717628]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x717628]
xor eax, edx
inc ecx
dec edi
jne 0x524d46
pop edi
test esi, esi
je 0x524e50
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x717628]
xor eax, edx
inc ecx
dec esi
jne 0x524e32
pop esi
pop ebx
not eax
ret