joyce8/EMBER2024-capa huggingface dataset:
Function at 0x43dc00
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x4823b8
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.0047af73
mov eax, dword [esi + 0xd0]
lea edx, [esp + 0x1c]
push eax
push eax
push edx
mov dword [esp + 0x44], 0
call fcn.0043d5a0
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.0047aea1
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.00477762
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.00477762
push 1
push 0
push 0
mov ecx, esi
call fcn.0047770a
push 1
push 0
push 1
mov ecx, esi
call fcn.0047770a
lea ecx, [esp + 0x1c]
mov dword [esp + 0x38], 0xffffffff
call fcn.0047afe5
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret

Function at 0x43dd80
Capabilities:
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x4823d8
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.0047af73
push 0x3e8
lea eax, [esp + 0x20]
push 0x3e8
push eax
mov dword [esp + 0x44], 0
call fcn.0043d5a0
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.0047aea1
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 0x43de44
cmp dword [esp + 0x40], 1
jne 0x43de42
cmp ecx, eax
jge 0x43de44
mov eax, ecx
cmp eax, 0xc8
jge 0x43de50
mov eax, 0xc8
mov ecx, esi
mov dword [esi + 0xd0], eax
call fcn.0043dc00
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.0047afe5
mov ecx, dword [esp + 0x30]
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret 8
Function at 0x43e5d0
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x482443
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.00475b83
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], vtable.CBrush.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.0047b21b
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.0047c831
test eax, eax
je 0x43e6ec
mov ecx, dword [esp + 0x3c]
call fcn.0047b248
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 0x43e6b0
push edi
mov ecx, esi
call fcn.004788ad
mov ecx, esi
call fcn.0043e850
cmp dword [esp + 0x38], 1
jne 0x43e6e5
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.004789e8
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 0x441120
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x441153
push esi
call fcn.00444210
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x44114c
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 0x4411d9
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x4411c2
mov eax, dword [esi + 8]
test eax, eax
je 0x441177
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 0x4411be
cmp eax, 2
je 0x4411c2
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x44116a
cmp eax, 3
je 0x44119d
cmp eax, 1
jne 0x44116a
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 0x44116a
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x44116a
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.00441200
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x4411e8
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.00441200
add esp, 4
pop esi
ret

Function at 0x44f650
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x58ef18]
xor edx, edx
cmp eax, edx
jne 0x44f676
xor eax, eax
mov byte [eax + 0x58ee18], al
inc eax
cmp eax, 0x100
jl 0x44f65e
mov dword [0x58ef18], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x58ee18
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x44f707
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 0x44f6da
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 0x44f6a8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret
Function at 0x44f780
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 0x44f7d3
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 0x44f7ba
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 0x456190
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4828de
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.00456ab0
push 0x10
mov dword [esp + 0x18], 0
mov dword [edi], 0x551fac
call fcn.00474315
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
mov al, 1
test esi, esi
mov byte [esp + 0x14], al
je 0x456223
push 4
mov byte [esi + 8], al
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.00474315
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
mov byte [esp + 0x14], 2
je 0x45621c
push 0
mov ecx, eax
call fcn.0044d290
mov dword [esi + 0xc], eax
jmp 0x456225
xor eax, eax
mov dword [esi + 0xc], eax
jmp 0x456225
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 0x476978
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4769b0
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.00474a2f
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00474a07
jmp 0x4769bc
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x47806a
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x4780ac
call fcn.0047dc27
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4780ac
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4780a3
xor eax, eax
jmp 0x4780b4
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004780ba
pop edi
pop esi
pop ebx
ret 4
Function at 0x47e157
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x47e185
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x47e1a3
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0047e0bd
jmp 0x47e1a3
mov eax, dword [esi + 0x14]
test eax, eax
je 0x47e1a3
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0047e0bd
test edi, edi
mov eax, edi
jne 0x47e18d
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8

Function at 0x433000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x43300c
nop
nop
nop
nop
nop
pop eax
nop
add eax, 0x40a063
nop
sub eax, 0x40a009
nop
nop
nop
mov ebx, dword [eax]
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
xor dword [ebx], edx
nop
nop
add ebx, 4
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
nop
nop
nop
nop
jl 0x433030
nop
nop
add eax, 0xc
nop
cmp dword [eax], 0
nop
nop
nop
nop
nop
nop
jne 0x43301e
nop
nop
nop
nop
popal
nop
nop
jmp 0x431219

Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x43000c
nop
nop
nop
pop eax
nop
nop
add eax, 0x403daa
nop
nop
sub eax, 0x403d50
nop
nop
mov ebx, dword [eax]
nop
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
nop
mov edx, dword [eax + 8]
nop
nop
xor dword [ebx], edx
nop
nop
add ebx, 4
nop
nop
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
nop
jl 0x430030
nop
nop
nop
add eax, 0xc
nop
nop
nop
nop
cmp dword [eax], 0
nop
jne 0x43001e
nop
nop
nop
nop
nop
nop
popal
nop
nop
nop
jmp loc.00401219
Function at 0x401ee2
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x411280]
jne 0x401eec
repz ret
jmp fcn.00404369

Function at 0x4025e7
Capabilities:
Accept command line arguments
Parse pe header

Disassembly:
push 0x14
push 0x40f530
call fcn.00403770
mov eax, 0x5a4d
cmp word [0x400000], ax
jne 0x4024e7
mov eax, dword [0x40003c]
cmp dword [eax + 0x400000], 0x4550
jne 0x4024e7
mov ecx, 0x10b
cmp word [eax + 0x400018], cx
jne 0x4024e7
cmp dword [eax + 0x400074], 0xe
jbe 0x4024e7
xor ecx, ecx
cmp dword [eax + 0x4000e8], ecx
setne cl
mov dword [ebp - 0x1c], ecx
jmp 0x4024eb
and dword [ebp - 0x1c], 0
push 1
call fcn.00407571
pop ecx
test eax, eax
jne 0x4024ff
push 0x1c
call fcn.00407571
pop ecx
call fcn.00405287
test eax, eax
jne 0x402510
push 0x10
call fcn.00407571
pop ecx
call fcn.00405952
and dword [ebp - 4], 0
call fcn.004032ff
test eax, eax
jge 0x40252a
push 0x1b
call fcn.00407571
pop ecx
call dword [sym.imp.kernel32.dll_GetCommandLineA]
mov dword [0x412ba0], eax
call fcn.00407571
mov dword [0x41203c], eax
call fcn.00407571
test eax, eax
jge 0x402550
push 8
call fcn.00407571
pop ecx
call fcn.00405fde
test eax, eax
jge 0x402561
push 9
call fcn.00407571
pop ecx
push 1
call fcn.00407571
pop ecx
test eax, eax
je 0x402574
push eax
call fcn.00407571
pop ecx
mov eax, dword [0x412018]
mov dword [0x41201c], eax
push eax
push dword [0x412010]
push dword [0x41200c]
call main
add esp, 0xc
mov dword [ebp - 0x20], eax
cmp dword [ebp - 0x1c], 0
jne 0x4025a2
push eax
call fcn.00407571
call fcn.00402400
jmp 0x4025d7
mov dword [ebp - 4], 0xfffffffe
mov eax, dword [ebp - 0x20]
call fcn.004037b5
ret
call fcn.00407571
jmp 0x402495

Function at 0x407571
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
pushal
call 0x407580
pop dword [ebp - 4]
mov eax, 0x1767a7e0
sub eax, 0x17273260
sub dword [ebp - 4], eax
push 0x40
push 0x1000
push 0x35f98
push 0
mov eax, sym.imp.kernel32.dll_VirtualAlloc
add eax, dword [ebp - 4]
call dword [eax]
mov ecx, 0xae4e46d9
sub ecx, 0xae4e0c15
mov edi, eax
mov ebx, 0xb9a1fbc2
sub ebx, 0xb960bffe
add ebx, dword [ebp - 4]
mov esi, 0xc2af37c9
add esi, 0x924e3f85
mov edx, dword [ebx]
xor edx, esi
mov dword [edi], edx
add edi, 0x8eaf7064
add edi, 0x71508fa0
add ebx, 0x9f59139f
sub ebx, 0x9f59139b
loop 0x4075da
add eax, 0xdde3
mov ebx, eax
add eax, 5
mov ecx, 0x400000
add ecx, dword [ebp - 4]
call ebx
leave
ret
Function at 0x401780
Capabilities:
Read file on windows

Disassembly:
push ebp
push ebx
push edi
push esi
push 0x46c2e9
push ecx
call fcn.00456a71
add esp, 8
xor esi, esi
test eax, eax
je 0x40180d
mov edi, eax
push 2
push 0
push eax
call fcn.00454ea9
add esp, 0xc
push edi
call fcn.004551f8
add esp, 4
test eax, eax
js 0x401804
mov ebp, eax
push edi
call fcn.00458816
add esp, 4
lea eax, [ebp + 1]
push eax
call dword [0x479044]
add esp, 4
test eax, eax
je 0x401804
mov ebx, eax
push edi
push ebp
push 1
push eax
call fcn.00457e99
add esp, 0x10
test eax, eax
je 0x4017f2
mov ebp, eax
push edi
call fcn.004577f3
add esp, 4
test eax, eax
je 0x401814
push edi
call fcn.0045766e
add esp, 4
push ebx
call dword [0x479040]
jmp 0x40180a
push edi
call fcn.0045766e
add esp, 4
mov eax, esi
pop esi
pop edi
pop ebx
pop ebp
ret
push edi
call fcn.0045766e
add esp, 4
mov byte [ebx + ebp], 0
mov esi, ebx
jmp 0x40180d

Function at 0x402d27
Capabilities:
Hash data using djb2

Disassembly:
push ebx
push edi
push esi
test edx, edx
je 0x402d4f
mov edi, 0x1505
xor esi, esi
movzx ebx, byte [ecx + esi]
test ebx, ebx
je 0x402d56
mov eax, edi
shl eax, 5
add eax, edi
add eax, ebx
inc esi
mov edi, eax
cmp edx, esi
jne 0x402d35
jmp 0x402d58
mov eax, 0x1505
jmp 0x402d58
mov eax, edi
pop esi
pop edi
pop ebx
ret
Function at 0x40d330
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x54
mov ebp, dword [esp + 0x6c]
mov edx, dword [esp + 0x68]
mov edi, esp
mov ecx, 5
mov esi, 0x46c658
rep movsd dword es:[edi], dword [esi]
cmp ebp, 0x40
jb 0x40d3b0
shr ebp, 6
xor ebx, ebx
mov esi, edx
xor edi, edi
movzx eax, byte [esi + edi]
mov dword [esp + edi + 0x14], eax
movzx ecx, byte [esi + edi + 1]
shl ecx, 8
or ecx, eax
mov dword [esp + edi + 0x14], ecx
movzx eax, byte [esi + edi + 2]
shl eax, 0x10
or eax, ecx
mov dword [esp + edi + 0x14], eax
movzx ecx, byte [esi + edi + 3]
shl ecx, 0x18
or ecx, eax
mov dword [esp + edi + 0x14], ecx
add edi, 4
cmp edi, 0x40
jne 0x40d35b
mov ecx, esp
lea edx, [esp + 0x14]
call fcn.0040d44a
inc ebx
lea edx, [esi + edi]
cmp ebx, ebp
jne 0x40d357
add esi, edi
mov edx, esi
mov ebp, dword [esp + 0x6c]
xor ebx, ebx
lea edi, [esp + 0x14]
xor eax, eax
mov ecx, 0x10
rep stosd dword es:[edi], eax
mov esi, ebp
and esi, 0x3f
je 0x40d3e4
xor eax, eax
movzx edi, byte [edx + eax]
mov ecx, ebx
and cl, 0x18
shl edi, cl
mov ecx, eax
and ecx, 0xfffffffc
xor dword [esp + ecx + 0x14], edi
inc eax
add ebx, 8
cmp esi, eax
jne 0x40d3c8
lea ebx, [ebp*8]
mov ecx, ebx
and cl, 0x18
or cl, 7
xor eax, eax
inc eax
shl eax, cl
mov ecx, ebp
and ecx, 0x3c
xor dword [esp + ecx + 0x14], eax
cmp esi, 0x38
jb 0x40d41c
mov ecx, esp
lea edi, [esp + 0x14]
mov edx, edi
call fcn.0040d44a
xor eax, eax
mov ecx, 0xe
rep stosd dword es:[edi], eax
mov esi, dword [esp + 0x70]
lea edx, [esp + 0x14]
mov dword [edx + 0x38], ebx
shr ebp, 0x1d
mov dword [edx + 0x3c], ebp
mov ecx, esp
call fcn.0040d44a
xor eax, eax
mov ecx, dword [esp + eax*4]
mov dword [esi + eax*4], ecx
inc eax
cmp eax, 5
jne 0x40d436
add esp, 0x54
pop esi
pop edi
pop ebx
pop ebp
ret
Function at 0x41491c
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
push ebx
push edi
push esi
push eax
mov ebx, dword [esp + 0x1c]
test ebx, ebx
je 0x414a1b
mov esi, dword [esp + 0x20]
mov ecx, dword [esp + 0x18]
movzx edi, cx
shr ecx, 0x10
test esi, esi
je 0x414a14
mov edx, 0x5e6ea9af
mov eax, esi
mul edx
shr edx, 0xb
imul eax, edx, 0x15b0
mov ebp, esi
sub ebp, eax
xor edx, edx
cmp ebp, 8
mov dword [esp], esi
jb 0x4149c5
xor esi, esi
mov eax, esi
movzx edx, byte [ebx + esi]
add edx, edi
add ecx, edx
movzx esi, byte [ebx + esi + 1]
add esi, edx
add ecx, esi
movzx edx, byte [ebx + eax + 2]
add edx, esi
add ecx, edx
movzx esi, byte [ebx + eax + 3]
add esi, edx
add ecx, esi
movzx edx, byte [ebx + eax + 4]
add edx, esi
add ecx, edx
movzx esi, byte [ebx + eax + 5]
add esi, edx
add ecx, esi
movzx edx, byte [ebx + eax + 6]
add edx, esi
add ecx, edx
movzx edi, byte [ebx + eax + 7]
add edi, edx
add ecx, edi
lea esi, [eax + 8]
add eax, 0xf
cmp eax, ebp
jb 0x414965
mov edx, ebp
and edx, 0x1ff8
add ebx, esi
mov esi, dword [esp]
mov eax, ebp
sub eax, edx
jbe 0x4149df
xor edx, edx
movzx esi, byte [ebx + edx]
add edi, esi
add ecx, edi
inc edx
cmp eax, edx
jne 0x4149cd
add ebx, eax
mov esi, dword [esp]
mov eax, edi
mov edx, 0x80078071
mul edx
shr edx, 0xf
imul eax, edx, 0xfff1
sub edi, eax
mov eax, ecx
mov edx, 0x80078071
mul edx
shr edx, 0xf
imul eax, edx, 0xfff1
sub ecx, eax
sub esi, ebp
mov ebp, 0x15b0
jne 0x414959
shl ecx, 0x10
or ecx, edi
jmp 0x414a1e
xor ecx, ecx
inc ecx
mov eax, ecx
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x414a28
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebx
push edi
push esi
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x14]
mov ebx, dword [esp + 0x10]
not ebx
cmp ecx, 4
jb 0x414a9d
mov eax, 0xff
mov esi, ebx
shr esi, 8
movzx edi, byte [edx]
and ebx, eax
xor ebx, edi
xor esi, dword [ebx*4 + 0x46c880]
mov edi, esi
shr edi, 8
movzx ebx, byte [edx + 1]
and esi, eax
xor esi, ebx
xor edi, dword [esi*4 + 0x46c880]
mov esi, edi
shr esi, 8
movzx ebx, byte [edx + 2]
and edi, eax
xor edi, ebx
xor esi, dword [edi*4 + 0x46c880]
mov ebx, esi
shr ebx, 8
movzx edi, byte [edx + 3]
and esi, eax
xor esi, edi
xor ebx, dword [esi*4 + 0x46c880]
add edx, 4
add ecx, 0xfffffffc
cmp ecx, 3
ja 0x414a43
test ecx, ecx
je 0x414ac1
xor esi, esi
mov eax, ebx
shr eax, 8
movzx edi, byte [edx + esi]
movzx ebx, bl
xor ebx, edi
xor eax, dword [ebx*4 + 0x46c880]
inc esi
mov ebx, eax
cmp ecx, esi
jne 0x414aa5
jmp 0x414ac3
mov eax, ebx
not eax
pop esi
pop edi
pop ebx
ret
Function at 0x426d2f
Capabilities:
Create directory

Disassembly:
push edi
push esi
call fcn.00426930
mov esi, eax
push eax
call fcn.00456d1e
add esp, 4
mov edi, eax
push esi
call fcn.0045809c
add esp, 4
mov eax, edi
pop esi
pop edi
ret
Function at 0x428d73
Capabilities:
Get disk information

Disassembly:
push esi
push eax
xor eax, eax
mov esi, esp
mov dword [esi], eax
push eax
push eax
push eax
push eax
push esi
push eax
push eax
push 0x46e680
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationW]
mov eax, dword [esi]
add esp, 4
pop esi
ret

Function at 0x429928
Capabilities:
Get hostname

Disassembly:
push edi
push esi
push eax
mov eax, 0x400
mov edi, esp
mov dword [edi], eax
push eax
call fcn.00458444
add esp, 4
mov esi, eax
push edi
push eax
call dword [sym.imp.KERNEL32.dll_GetComputerNameW]
mov eax, esi
add esp, 4
pop esi
pop edi
ret

Function at 0x4340cf
Capabilities:
Create a process with modified i/o handles and window
Create process on windows
Encode data using base64
Query environment variable
Resolve function by parsing pe exports

Disassembly:
call fcn.0040bc10
call fcn.00423b95
jmp fcn.0042bffc