joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4f4fa0
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x56d548
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
push esi
mov esi, ecx
lea eax, [esp + 0xc]
mov ecx, dword [esi + 0x1c]
push eax
push ecx
call dword [sym.imp.USER32.dll_GetClientRect]
push 0
lea ecx, [esp + 0x20]
call fcn.005659b8
mov eax, dword [esi + 0xd0]
lea edx, [esp + 0x1c]
push eax
push eax
push edx
mov dword [esp + 0x44], 0
call fcn.004f4900
mov eax, dword [esi + 0x4c]
mov ecx, dword [esi + 0x48]
add eax, 0x64
add esp, 0xc
add ecx, 0x64
mov dword [esp + 8], eax
lea eax, [esp + 4]
mov dword [esp + 4], ecx
push eax
lea ecx, [esp + 0x20]
call fcn.005658e6
mov ecx, dword [esp + 4]
mov eax, dword [esp + 0x14]
mov edx, dword [esp + 0xc]
sub ecx, eax
add ecx, edx
mov eax, 0x88888889
imul ecx
add edx, ecx
push 1
sar edx, 4
mov ecx, edx
shr ecx, 0x1f
lea eax, [edx + ecx + 1]
xor edx, edx
test eax, eax
setl dl
dec edx
mov ecx, esi
and eax, edx
push eax
push 0
push 0
call fcn.005621a7
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 8]
sub ecx, eax
add ecx, edx
mov eax, 0x88888889
imul ecx
add edx, ecx
xor ecx, ecx
sar edx, 4
mov eax, edx
push 1
shr eax, 0x1f
lea eax, [edx + eax + 1]
test eax, eax
setl cl
dec ecx
and eax, ecx
mov ecx, esi
push eax
push 0
push 1
call fcn.005621a7
push 1
push 0
push 0
mov ecx, esi
call fcn.0056214f
push 1
push 0
push 1
mov ecx, esi
call fcn.0056214f
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.00565a2a
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret

Function at 0x4f5120
Capabilities:
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x56d568
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
push esi
mov esi, ecx
push 0
lea ecx, [esp + 0x20]
call fcn.005659b8
push 0x3e8
lea eax, [esp + 0x20]
push 0x3e8
push eax
mov dword [esp + 0x44], 0
call fcn.004f4900
mov ecx, dword [esi + 0x48]
mov eax, dword [esi + 0x4c]
add ecx, 0x64
add esp, 0xc
mov dword [esp + 4], ecx
lea ecx, [esp + 4]
add eax, 0x96
push ecx
lea ecx, [esp + 0x20]
mov dword [esp + 0xc], eax
call fcn.005658e6
mov eax, dword [esi + 0x1c]
lea edx, [esp + 0xc]
push edx
push eax
call dword [sym.imp.USER32.dll_GetClientRect]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x10]
sub eax, edx
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
cdq
idiv dword [esp + 8]
mov edx, dword [esp + 0xc]
mov ecx, eax
mov eax, dword [esp + 0x14]
sub eax, edx
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
cdq
idiv dword [esp + 4]
cmp dword [esp + 0x44], 1
jne 0x4f51e4
cmp dword [esp + 0x40], 1
jne 0x4f51e2
cmp ecx, eax
jge 0x4f51e4
mov eax, ecx
cmp eax, 0xc8
jge 0x4f51f0
mov eax, 0xc8
mov ecx, esi
mov dword [esi + 0xd0], eax
call fcn.004f4fa0
mov ecx, dword [esi + 0x1c]
push 1
push 0
push ecx
call dword [sym.imp.USER32.dll_InvalidateRect]
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.00565a2a
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret 8
Function at 0x4f59e0
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x56d613
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push ebp
push esi
mov esi, ecx
push edi
mov dword [esp + 0xc], esi
call fcn.005605c7
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], method.CBrush.virtual_0
mov eax, dword [esp + 0x2c]
mov ebp, dword [esp + 0x24]
mov ecx, dword [esp + 0x30]
mov dword [esi + 0x3c], eax
mov eax, ebp
mov dword [esi], method.CEdit.virtual_0
mov dword [esi + 0x40], ecx
mov dword [esi + 0x44], 0
mov ecx, dword [eax]
lea edx, [esi + 0x48]
mov byte [esp + 0x18], 1
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov ecx, dword [eax + 8]
mov dword [edx + 8], ecx
mov eax, dword [eax + 0xc]
mov ecx, dword [esp + 0x40]
mov dword [edx + 0xc], eax
mov eax, dword [esp + 0x44]
push eax
mov dword [esi + 0x5c], ecx
mov dword [esi + 0x60], eax
call dword [sym.imp.GDI32.dll_CreateSolidBrush]
push eax
mov ecx, edi
call fcn.00565c60
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.005671bf
test eax, eax
je 0x4f5afc
mov ecx, dword [esp + 0x3c]
call fcn.00565c8d
mov ecx, dword [esi + 0x1c]
mov ebp, dword [sym.imp.USER32.dll_SendMessageA]
push 0
push eax
push 0x30
push ecx
mov dword [esi + 0x58], eax
call ebp
mov edi, dword [esp + 0x34]
test edi, edi
je 0x4f5ac0
push edi
mov ecx, esi
call fcn.005632ee
mov ecx, esi
call fcn.004f5ca0
cmp dword [esp + 0x38], 1
jne 0x4f5af5
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov edx, dword [esi + 0x1c]
push 0xffffffffffffffff
not ecx
dec ecx
push ecx
push 0xb1
push edx
call ebp
mov eax, dword [esi + 0x1c]
push 0
push 0
push 0xb7
push eax
call ebp
mov ecx, esi
call fcn.00563429
mov ecx, dword [esp + 0x10]
mov eax, esi
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
add esp, 0x10
ret 0x28
Function at 0x4f7ce0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x4f7d13
push esi
call fcn.00506090
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x4f7d0c
mov dword [esi + 0x10], 0xcf
mov eax, 1
pop esi
ret
mov dword [esi + 0x10], 0xcb
mov eax, dword [esi + 0x10]
cmp eax, 0xcb
jne 0x4f7d99
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x4f7d82
mov eax, dword [esi + 8]
test eax, eax
je 0x4f7d37
push esi
call dword [eax]
add esp, 4
mov ecx, dword [esi + 0x1b0]
push esi
call dword [ecx]
add esp, 4
test eax, eax
je 0x4f7d7e
cmp eax, 2
je 0x4f7d82
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x4f7d2a
cmp eax, 3
je 0x4f7d5d
cmp eax, 1
jne 0x4f7d2a
mov eax, dword [ecx + 4]
inc eax
mov dword [ecx + 4], eax
mov eax, dword [esi + 8]
mov ecx, dword [eax + 8]
mov edx, dword [eax + 4]
cmp edx, ecx
jl 0x4f7d2a
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x4f7d2a
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.004f7dc0
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x4f7da8
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.004f7dc0
add esp, 4
pop esi
ret

Function at 0x4f8640
Capabilities:
Terminate process

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4f8661
mov ecx, dword [eax + 0x40]
test ecx, ecx
je 0x4f8661
mov eax, dword [eax + 0x44]
test eax, eax
je 0x4f8661
mov edx, dword [esp + 8]
push edx
push eax
call ecx
add esp, 8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x513260
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ecx
push ebx
push ebp
push esi
mov esi, dword [esp + 0x14]
push edi
xor edx, edx
mov eax, dword [esi + 0x3c]
xor edi, edi
mov eax, dword [eax + esi + 0x78]
add eax, esi
mov ecx, dword [eax + 0x20]
mov ebx, dword [eax + 0x24]
mov ebp, dword [eax + 0x1c]
mov eax, dword [eax + 0x18]
add ecx, esi
add ebx, esi
add ebp, esi
mov dword [esp + 0x10], eax
test eax, eax
jbe 0x5132dc
mov dword [esp + 0x18], ecx
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
push edx
mov eax, dword [ecx]
add eax, esi
push eax
call fcn.0054f240
add esp, 8
test eax, eax
je 0x5132ca
mov ecx, dword [esp + 0x18]
mov eax, dword [esp + 0x10]
inc edi
add ecx, 4
cmp edi, eax
mov dword [esp + 0x18], ecx
jb 0x513294
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
xor eax, eax
mov ax, word [ebx + edi*2]
pop edi
mov eax, dword [ebp + eax*4]
add eax, esi
pop esi
pop ebp
pop ebx
pop ecx
ret
pop edi
pop esi
pop ebp
mov eax, edx
pop ebx
pop ecx
ret
Function at 0x513320
Capabilities:
Enumerate pe sections

Disassembly:
push ecx
push ebp
push esi
mov esi, dword [esp + 0x10]
xor ecx, ecx
push edi
mov edi, dword [esp + 0x18]
mov eax, dword [esi + 0x3c]
add eax, esi
mov cx, word [eax + 0x14]
mov bp, word [eax + 6]
lea edx, [ecx + eax + 0x18]
mov ecx, dword [eax + 0x54]
mov eax, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
test bp, bp
rep movsb byte es:[edi], byte [esi]
jbe 0x5133b0
push ebx
lea ebx, [edx + 0xc]
lea eax, [edx + 0x14]
add edx, 0x10
and ebp, 0xffff
mov dword [esp + 0x10], ebp
mov edi, dword [ebx]
test edi, edi
je 0x513391
mov ecx, dword [edx]
test ecx, ecx
je 0x513391
mov esi, dword [eax]
mov ebp, dword [esp + 0x18]
add esi, ebp
mov ebp, dword [esp + 0x1c]
add edi, ebp
mov ebp, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x10]
add edx, 0x28
add eax, 0x28
add ebx, 0x28
dec ecx
mov dword [esp + 0x10], ecx
jne 0x513369
pop ebx
pop edi
pop esi
mov eax, 1
pop ebp
pop ecx
ret
pop edi
pop esi
mov eax, 1
pop ebp
pop ecx
ret
Function at 0x515780
Capabilities:
Write file on windows

Disassembly:
push ecx
mov eax, dword [ecx]
test eax, eax
jne 0x51578b
pop ecx
ret 8
mov edx, dword [esp + 0xc]
lea ecx, [esp]
push 0
push ecx
mov ecx, dword [esp + 0x10]
push edx
push ecx
push eax
mov dword [esp + 0x14], 0
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop ecx
ret 8

Function at 0x515ab0
Capabilities:
Hash data via wincrypt
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push ecx
push ebx
mov ebx, dword [esp + 0xc]
push ebp
mov ebp, dword [esp + 0x18]
push esi
push edi
xor edi, edi
cmp ebx, edi
mov word [ebp], di
je 0x515c0c
mov esi, dword [esp + 0x1c]
cmp esi, edi
je 0x515c0c
push 0xf0000000
push 1
push edi
lea eax, [esp + 0x28]
push edi
push eax
mov dword [esp + 0x30], edi
mov dword [esp + 0x34], edi
mov dword [esp + 0x24], edi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x515be3
mov edx, dword [esp + 0x1c]
lea ecx, [esp + 0x20]
push ecx
push edi
push edi
push 0x8003
push edx
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x515be3
mov eax, dword [esp + 0x20]
push edi
push esi
push ebx
push eax
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
test eax, eax
je 0x515be3
mov edx, dword [esp + 0x20]
mov esi, dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
lea ecx, [esp + 0x18]
push edi
push ecx
push edi
push 2
push edx
mov dword [esp + 0x2c], 4
call esi
test eax, eax
je 0x515be3
mov eax, dword [esp + 0x18]
push eax
call fcn.0054df87
mov ebx, eax
add esp, 4
cmp ebx, edi
je 0x515be3
mov edx, dword [esp + 0x20]
lea ecx, [esp + 0x18]
push edi
push ecx
push ebx
push 2
push edx
call esi
cmp eax, edi
mov dword [esp + 0x10], eax
je 0x515bda
mov eax, dword [esp + 0x18]
cmp eax, 0x10
jb 0x515baa
mov eax, ebx
mov ecx, ebp
mov edx, dword [eax]
mov dword [ecx], edx
mov edx, dword [eax + 4]
mov dword [ecx + 4], edx
mov edx, dword [eax + 8]
mov dword [ecx + 8], edx
mov eax, dword [eax + 0xc]
mov dword [ecx + 0xc], eax
jmp 0x515bd6
mov ecx, eax
mov esi, ebx
mov edx, ecx
mov edi, ebp
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, 0x10
lea edi, [ebp + eax*2]
sub ecx, eax
xor eax, eax
shr ecx, 1
rep stosd dword es:[edi], eax
adc ecx, ecx
rep stosw word es:[edi], ax
xor edi, edi
mov word [ebp + 0x20], di
push ebx
call fcn.0054de9e
add esp, 4
mov eax, dword [esp + 0x20]
cmp eax, edi
je 0x515bf2
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
mov eax, dword [esp + 0x1c]
cmp eax, edi
je 0x515c02
push edi
push eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
Function at 0x517450
Capabilities:
Enumerate pe sections
Parse pe header

Disassembly:
mov eax, dword [esp + 4]
sub esp, 0xc
test eax, eax
je 0x517477
cmp word [eax], 0x5a4d
jne 0x517477
mov ecx, dword [eax + 0x3c]
add eax, ecx
cmp dword [eax], 0x4550
jne 0x517477
test word [eax + 4], 0x14c
jne 0x51747f
xor eax, eax
add esp, 0xc
ret 8
mov edx, dword [eax + 0x54]
mov cx, word [eax + 6]
push ebx
mov dword [esp + 4], edx
push ebp
xor edx, edx
mov dx, word [eax + 0x14]
push esi
mov esi, dword [eax + 0x50]
push edi
mov edi, dword [esp + 0x24]
mov word [esp + 0x14], cx
lea ecx, [edx + eax + 0x18]
mov eax, dword [edi]
mov dword [esp + 0x18], ecx
test eax, eax
jne 0x5174c8
cmp esi, dword [0x58c95c]
jne 0x5174b8
xor esi, esi
push 0
push esi
mov ecx, edi
call fcn.00513be0
mov edx, dword [edi]
mov dword [edx], esi
jmp 0x517506
mov ebx, dword [eax]
mov eax, dword [eax + 0xc]
cmp eax, esi
jae 0x5174e2
lea eax, [eax + esi + 0x1000]
push 0
push eax
mov ecx, edi
call fcn.00513be0
mov ecx, dword [edi]
cmp esi, ebx
mov dword [ecx], esi
mov eax, dword [edi]
mov edx, dword [eax + 8]
mov eax, dword [eax]
mov byte [edx + eax], 0
ja 0x517506
jae 0x517506
mov ecx, dword [edi]
inc esi
cmp esi, ebx
mov edx, dword [ecx + 8]
mov byte [edx + esi - 1], 0
jb 0x5174f7
mov edi, dword [edi]
test edi, edi
je 0x517511
mov ebp, dword [edi + 8]
jmp 0x517513
xor ebp, ebp
mov ecx, dword [esp + 0x10]
mov esi, dword [esp + 0x20]
mov eax, ecx
mov edi, ebp
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov dword [esp + 0x24], ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x14]
test cx, cx
jbe 0x517594
mov ebx, dword [esp + 0x18]
lea eax, [ebx + 0xc]
lea edx, [ebx + 0x14]
add ebx, 0x10
and ecx, 0xffff
mov dword [esp + 0x10], ecx
mov edi, dword [eax]
test edi, edi
je 0x517580
mov ecx, dword [ebx]
test ecx, ecx
je 0x517580
mov esi, dword [edx]
add edi, ebp
add esi, dword [esp + 0x20]
mov ebp, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
mov ebp, dword [esp + 0x24]
and ecx, 3
add ebx, 0x28
add edx, 0x28
add eax, 0x28
rep movsb byte es:[edi], byte [esi]
jmp 0x517589
add ebx, 0x28
add edx, 0x28
add eax, 0x28
mov ecx, dword [esp + 0x10]
dec ecx
mov dword [esp + 0x10], ecx
jne 0x51754f
pop edi
mov eax, ebp
pop esi
pop ebp
pop ebx
add esp, 0xc
ret 8
Function at 0x5204c0
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5df618
push 0x54fc40
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 4], 0
push dword [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
rdtsc
mov esi, eax
mov edi, edx
call ebx
rdtsc
pop ebx
mov dword [ebp - 0x28], edx
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], 0xffffffff
xor esi, esi
mov edi, dword [ebp - 0x20]
push 1
push esi
push esi
mov eax, dword [ebp - 0x28]
push eax
call fcn.0054d3a0
sub eax, esi
sbb edx, edi
mov ecx, dword [ebp - 0x1c]
sub eax, ecx
sbb edx, esi
mov ecx, dword [ebp - 0x24]
add eax, ecx
adc edx, esi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x520670
Capabilities:
Check os version

Disassembly:
sub esp, 0xa0
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 0xc]
rep stosd dword es:[edi], eax
lea eax, [esp + 0xc]
mov dword [esp + 0xc], 0x9c
push eax
call esi
test eax, eax
jne 0x5206b1
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0x94
push ecx
call esi
test eax, eax
je 0x52071e
cmp dword [esp + 0x1c], 2
jne 0x52071e
cmp dword [esp + 0x10], 5
jne 0x52071e
cmp dword [esp + 0x14], 1
jne 0x52071e
push str.kernel32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x520708
push str.IsWow64Process
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x5206f9
lea edx, [esp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
jmp 0x520701
mov dword [esp + 8], 0
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [esp + 8]
test eax, eax
je 0x52071e
pop edi
mov eax, 1
pop esi
add esp, 0xa0
ret
pop edi
xor eax, eax
pop esi
add esp, 0xa0
ret

Function at 0x525400
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x6388e0]
xor edx, edx
cmp eax, edx
jne 0x525426
xor eax, eax
mov byte [eax + 0x6387e0], al
inc eax
cmp eax, 0x100
jl 0x52540e
mov dword [0x6388e0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x6387e0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x5254b7
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x52548a
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x525458
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret
Function at 0x525530
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x525583
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x52556a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x52bf00
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x56dfde
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x18]
push esi
push edi
mov edi, ecx
mov ecx, dword [esp + 0x1c]
push eax
push ecx
mov ecx, edi
mov dword [esp + 0x10], edi
call fcn.0052c820
push 0x10
mov dword [esp + 0x18], 0
mov dword [edi], 0x5df86c
call fcn.0055ed1e
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
mov al, 1
test esi, esi
mov byte [esp + 0x14], al
je 0x52bf93
push 4
mov byte [esi + 8], al
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.0055ed1e
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
mov byte [esp + 0x14], 2
je 0x52bf8c
push 0
mov ecx, eax
call fcn.00523030
mov dword [esi + 0xc], eax
jmp 0x52bf95
xor eax, eax
mov dword [esi + 0xc], eax
jmp 0x52bf95
xor esi, esi
mov ecx, dword [esp + 0xc]
mov dword [edi + 0x30], esi
mov dword [edi + 0x34], 0
mov eax, edi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret 8
Function at 0x53cfb0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
mov edx, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 0x18]
imul eax, edi
add eax, edx
cmp edx, eax
mov dword [ebp - 0x14], eax
jae 0x53d0d1
mov eax, dword [ebp + 0x10]
lea eax, [edx + eax*4]
push ebx
push esi
mov dword [ebp + 0x14], eax
mov esi, 0xffc03fc0
mov eax, 0xff00ff
cmp edx, dword [ebp + 0x14]
mov ecx, dword [ebp + 8]
mov dword [ebp - 4], ecx
jae 0x53d0b5
mov ebx, dword [ebp + 0x14]
sub ebx, edx
dec ebx
shr ebx, 3
lea ecx, [edx + 4]
inc ebx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 0x10], ebx
mov edx, dword [ecx + edi]
mov edi, dword [edi + ecx - 4]
mov dword [ebp - 8], edi
shr edi, 2
and edi, esi
mov dword [ebp + 0x10], edx
mov edx, dword [ecx]
mov ecx, dword [ecx - 4]
mov ebx, ecx
shr ebx, 2
and ebx, esi
add ebx, edi
mov edi, dword [ebp + 0x10]
shr edi, 2
and edi, esi
add ebx, edi
mov edi, edx
shr edi, 2
and edi, esi
lea ebx, [ebx + edi - 0x7fff80]
mov edi, dword [ebp - 8]
and edi, eax
mov esi, ecx
and esi, eax
add esi, edi
mov edi, dword [ebp + 0x10]
and edi, eax
add esi, edi
mov edi, edx
and edi, eax
lea esi, [esi + edi + 0x20002]
mov edi, dword [ebp - 8]
shr ecx, 2
shr esi, 2
xor ebx, esi
shr edi, 2
mov esi, 0x3fc03fc0
and ecx, esi
and edi, esi
add ecx, edi
mov edi, dword [ebp + 0x10]
shr edi, 2
and edi, esi
add ecx, edi
mov edi, dword [ebp + 0x18]
shr edx, 2
and edx, esi
lea ecx, [ecx + edx + 0x800080]
and ebx, eax
xor ebx, ecx
mov ecx, dword [ebp - 4]
add dword [ebp - 4], 4
mov dword [ecx], ebx
mov ecx, dword [ebp - 0xc]
add ecx, 8
dec dword [ebp - 0x10]
mov dword [ebp - 0xc], ecx
mov esi, 0xffc03fc0
jne 0x53d007
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x1c]
add dword [ebp + 8], ecx
lea ecx, [edi + edi]
add dword [ebp + 0x14], ecx
add edx, ecx
cmp edx, dword [ebp - 0x14]
mov dword [ebp + 0xc], edx
jb 0x53cfe5
pop esi
pop ebx
xor eax, eax
pop edi
leave
ret 0x18

Function at 0x53db19
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push ecx
and dword [ebp - 4], 0
lea eax, [ebp - 4]
push eax
push str.SoftwareMicrosoftDirect3D
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x53db70
push esi
lea eax, [ebp + 0x14]
push eax
push dword [ebp + 0x10]
lea eax, [ebp + 0x10]
push eax
push 0
push dword [ebp + 0xc]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [ebp - 4]
mov esi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test esi, esi
pop esi
jne 0x53db70
mov eax, dword [ebp + 0x10]
cmp eax, dword [ebp + 8]
jne 0x53db70
xor eax, eax
inc eax
jmp 0x53db72
xor eax, eax
leave
ret 0x10