joyce8/EMBER2024-capa huggingface dataset:
Function at 0x419f50
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push ecx
push ebx
push esi
push edi
mov esi, ecx
mov edi, edx
push 1
push esi
call dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
test eax, eax
jne 0x41a161
mov eax, dword [esi + 0x30]
and eax, dword [esi + 0x34]
cmp eax, 0xffffffff
je 0x41a161
mov ebx, dword [ebp + 0xc]
mov dword [esi + 8], 0
test bl, 1
je 0x41a002
cmp word [esi + 0x70], 0
mov ebx, dword [ebp + 8]
jne 0x419fb3
mov edx, ebx
mov ecx, esi
call fcn.004190c0
cmp dword [esi + 8], 0
jne 0x41a150
mov eax, 1
mov word [esi + 0x70], ax
push dword [ebx + 0x2c]
mov edx, edi
mov ecx, esi
push dword [ebx + 0x28]
call fcn.004193d0
add esp, 8
mov dword [ebx + 0x28], eax
mov dword [ebx + 0x2c], edx
cmp dword [esi + 8], 0
jne 0x419feb
mov eax, dword [esi + 0xe8]
or eax, dword [esi + 0xec]
je 0x419feb
mov eax, 5
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
xor eax, eax
mov ecx, esi
mov word [esi + 0x70], ax
call fcn.00418fa0
mov eax, dword [esi + 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 8]
test byte [eax + 8], 0x10
je 0x41a038
test bl, 2
je 0x41a02f
mov edx, 1
mov ecx, edi
test ebx, ebx
jns 0x41a022
call fcn.00419e60
jmp 0x41a027
call fcn.00419da0
test eax, eax
je 0x41a149
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp ebx, 4
je 0x41a085
xor edx, edx
mov ecx, edi
test ebx, ebx
jns 0x41a04c
call fcn.00419e60
jmp 0x41a051
call fcn.00419da0
test eax, eax
je 0x41a149
mov eax, dword [ebp + 8]
push 0
mov eax, dword [eax + 8]
push eax
push 2
push 0
push 0
push 0x40000000
push edi
test ebx, ebx
jns 0x41a07a
call dword [sym.imp.KERNEL32.dll_CreateFileW]
jmp 0x41a080
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
mov eax, dword [ebp + 8]
cmp edi, 0xffffffff
je 0x41a149
mov edx, eax
mov ecx, esi
call fcn.004190c0
cmp dword [esi + 8], 0
jne 0x41a12c
cmp dword [esi + 0x4c], 0
jne 0x41a0c2
push 0x4000
push 0
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov dword [esi + 0x4c], eax
test eax, eax
jne 0x41a0c2
mov dword [esi + 8], 2
cmp dword [esi + 8], 0
jne 0x41a12c
mov edx, dword [esi + 0x4c]
mov ecx, esi
push 0
push 0x4000
call fcn.004193d0
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x41a10d
push 0
lea eax, [esp + 0x10]
push eax
push ebx
push dword [esi + 0x4c]
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x41a106
cmp dword [esp + 0xc], ebx
jne 0x41a106
cmp dword [esi + 8], 0
je 0x41a0c8
jmp 0x41a10d
mov dword [esi + 8], 3
cmp dword [esi + 8], 0
mov ebx, dword [ebp + 0xc]
jne 0x41a12c
mov ecx, dword [ebp + 8]
lea eax, [ecx + 0x1c]
push eax
lea eax, [ecx + 0xc]
push eax
lea eax, [ecx + 0x14]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_SetFileTime]
cmp ebx, 4
je 0x41a150
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, esi
call fcn.00418fa0
mov eax, dword [esi + 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov dword [esi + 8], 1
mov ecx, esi
call fcn.00418fa0
mov eax, dword [esi + 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov eax, 9
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x41aba0
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
sub esp, 0x44
lea eax, [esp + 0x10]
push ebx
push ebp
push esi
push edi
mov edi, ecx
mov ebp, edx
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x41abca
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x44
ret
mov ebx, dword [esp + 0x20]
mov esi, ebx
and esi, 1
mov eax, ebx
mov ecx, esi
or ecx, 2
and al, 2
mov eax, ebx
cmove ecx, esi
mov edx, ecx
or edx, 4
and al, 4
cmove edx, ecx
mov ecx, ebx
and ecx, 0x10
mov eax, edx
or eax, 0x10
mov dword [esp + 0x14], ecx
test ecx, ecx
cmove eax, edx
mov edx, 0x81000000
mov ecx, eax
or ecx, 0x20
and bl, 0x20
mov ebx, 0x41000000
cmove ecx, eax
mov eax, dword [esp + 0x14]
test eax, eax
cmove ebx, edx
or ebx, ecx
test esi, esi
jne 0x41ac33
test eax, eax
mov ebx, 0x41800000
mov edx, 0x81800000
cmove ebx, edx
or ebx, ecx
push 0
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
xor ecx, ecx
mov dword [edi + 0x50], eax
mov dword [edi + 0x54], ecx
cmp eax, 0x28
jbe 0x41ad14
mov eax, dword [edi + 0x18]
or eax, dword [edi + 0x1c]
jne 0x41ad14
mov esi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push eax
push eax
push eax
push dword [edi + 0x64]
call esi
push 0
lea eax, [esp + 0x18]
push eax
push 2
lea eax, [esp + 0x1c]
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
push 0
push 0
push 0x24
push dword [edi + 0x64]
call esi
push 0
lea eax, [esp + 0x18]
push eax
push 4
lea eax, [esp + 0x24]
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, 0x54ad
cmp word [esp + 0x10], ax
jne 0x41ad09
cmp dword [edi + 0x54], 0
mov eax, dword [esp + 0x18]
lea ecx, [eax + 0x34]
jb 0x41ad09
ja 0x41acc2
cmp dword [edi + 0x50], ecx
jbe 0x41ad09
push 0
push 0
push eax
push dword [edi + 0x64]
call esi
push 0
lea eax, [esp + 0x18]
push eax
push 4
lea eax, [esp + 0x28]
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [esp + 0x1c]
cmp eax, 0x5a4d
je 0x41ad03
cmp eax, 0x454e
je 0x41ad03
cmp eax, 0x454c
je 0x41ad03
cmp eax, 0x4550
jne 0x41ad09
or ebx, 0x400000
push 0
push 0
push 0
push dword [edi + 0x64]
call esi
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x30]
sub ecx, 0xd53e8000
push 0
push 0x989680
sbb eax, 0x19db1de
mov dword [ebp + 0x10], ebx
push eax
push ecx
call fcn.004b4430
mov ecx, dword [esp + 0x34]
mov dword [ebp], eax
sub ecx, 0xd53e8000
mov eax, dword [esp + 0x38]
push 0
push 0x989680
sbb eax, 0x19db1de
push eax
push ecx
call fcn.004b4430
mov ecx, dword [esp + 0x24]
mov dword [ebp + 4], eax
sub ecx, 0xd53e8000
mov eax, dword [esp + 0x28]
push 0
push 0x989680
sbb eax, 0x19db1de
push eax
push ecx
call fcn.004b4430
mov dword [ebp + 8], eax
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x3c]
push eax
call dword [sym.imp.KERNEL32.dll_FileTimeToDosDateTime]
movzx ecx, word [esp + 0x10]
movzx eax, word [esp + 0x14]
shl ecx, 0x10
pop edi
or ecx, eax
xor eax, eax
pop esi
mov dword [ebp + 0xc], ecx
pop ebp
pop ebx
add esp, 0x44
ret
Function at 0x41c8c0
Capabilities:
Enumerate pe sections

Disassembly:
push ebx
push esi
mov esi, edx
push edi
mov edi, ecx
mov ecx, esi
cmp dword [esi], 0
jge 0x41c91b
mov edx, 0x8b1f
call fcn.0041d300
mov edx, 0x808
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 4]
mov ecx, esi
call fcn.0041d300
movzx edx, word [edi + 6]
mov ecx, esi
call fcn.0041d300
mov edx, 0xb02
mov ecx, esi
call fcn.0041d300
mov eax, dword [edi + 0x20]
lea edx, [edi + 0x48]
inc eax
mov ecx, esi
push eax
call fcn.0041d470
add esp, 4
pop edi
pop esi
pop ebx
ret
mov edx, 0x4034b50
call fcn.0041d300
mov edx, 0x403
mov ecx, esi
call fcn.0041d300
mov edx, 0x2d
mov ecx, esi
call fcn.0041d300
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.0041d300
movzx edx, word [edi + 2]
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 4]
mov ecx, esi
call fcn.0041d300
movzx edx, word [edi + 6]
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 8]
mov ecx, esi
call fcn.0041d300
movzx edx, word [edi + 0xa]
mov ecx, esi
call fcn.0041d300
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d300
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d300
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d300
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 0x20]
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 0x24]
mov ecx, esi
add edx, 0x14
call fcn.0041d300
push dword [edi + 0x20]
lea edx, [edi + 0x48]
mov ecx, esi
call fcn.0041d470
add esp, 4
mov edx, 1
mov ecx, esi
call fcn.0041d300
mov edx, 0x10
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 0x18]
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 0x18]
mov ecx, esi
mov eax, dword [edi + 0x1c]
shrd edx, eax, 0x10
call fcn.0041d300
mov eax, dword [edi + 0x18]
mov cl, 0x20
mov edx, dword [edi + 0x1c]
call fcn.004b4700
mov edx, eax
mov ecx, esi
call fcn.0041d300
movzx edx, word [edi + 0x1e]
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 0x10]
mov ecx, esi
call fcn.0041d300
mov edx, dword [edi + 0x10]
mov ecx, esi
mov eax, dword [edi + 0x14]
shrd edx, eax, 0x10
call fcn.0041d300
mov eax, dword [edi + 0x10]
mov cl, 0x20
mov edx, dword [edi + 0x14]
call fcn.004b4700
mov edx, eax
mov ecx, esi
call fcn.0041d300
movzx edx, word [edi + 0x16]
mov ecx, esi
call fcn.0041d300
mov eax, dword [edi + 0x24]
test eax, eax
je 0x41ca71
mov edx, dword [edi + 0x40]
mov ecx, esi
push eax
call fcn.0041d470
add esp, 4
pop edi
pop esi
pop ebx
ret
Function at 0x41d210
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test edx, edx
jne 0x41d217
xor eax, eax
ret
push esi
mov esi, dword [esp + 8]
not ecx
cmp esi, 8
jb 0x41d2d7
push edi
mov edi, esi
shr edi, 3
nop dword [eax]
movzx eax, byte [edx]
sub esi, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
sub edi, 1
jne 0x41d230
pop edi
test esi, esi
je 0x41d2fa
nop dword [eax + eax]
movzx eax, byte [edx]
lea edx, [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4b9988]
sub esi, 1
jne 0x41d2e0
not ecx
mov eax, ecx
pop esi
ret
Function at 0x41d300
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32
Write file on windows

Disassembly:
sub esp, 0xc
push edi
mov edi, ecx
mov dword [esp + 0xc], edx
cmp dword [edi + 0x20], 0
jne 0x41d45f
mov eax, edx
mov byte [esp + 4], dl
shr eax, 8
mov dword [esp + 8], eax
mov byte [esp + 5], al
mov eax, dword [edi]
test al, 0x10
je 0x41d3e7
push ebx
mov ebx, dword [edi + 0x38]
movsx eax, dl
xor eax, ebx
shr ebx, 8
movzx eax, al
push esi
mov esi, dword [edi + 0x40]
mov ecx, esi
and ecx, 0xfffd
xor ebx, dword [eax*4 + 0x4b9988]
or ecx, 2
movzx eax, bl
add eax, dword [edi + 0x3c]
imul edx, eax, 0x8088405
inc edx
mov eax, edx
shr eax, 0x18
xor eax, esi
shr esi, 8
movzx eax, al
xor esi, dword [eax*4 + 0x4b9988]
mov eax, ecx
xor eax, 1
imul eax, ecx
mov ecx, esi
and ecx, 0xfffd
or ecx, 2
shr eax, 8
xor al, byte [esp + 0x14]
mov byte [esp + 0xc], al
mov eax, dword [esp + 0x10]
movsx eax, al
xor eax, ebx
shr ebx, 8
movzx eax, al
xor ebx, dword [eax*4 + 0x4b9988]
movzx eax, bl
add eax, edx
mov dword [edi + 0x38], ebx
imul eax, eax, 0x8088405
inc eax
mov dword [edi + 0x3c], eax
shr eax, 0x18
xor eax, esi
shr esi, 8
movzx eax, al
xor esi, dword [eax*4 + 0x4b9988]
mov eax, ecx
xor eax, 1
mov dword [edi + 0x40], esi
imul eax, ecx
pop esi
pop ebx
shr eax, 8
xor al, byte [esp + 8]
mov byte [esp + 5], al
mov eax, dword [edi]
test al, 1
je 0x41d427
mov edx, dword [edi + 0x28]
mov ecx, edx
mov eax, dword [edi + 0x2c]
add ecx, 2
adc eax, 0
cmp eax, dword [edi + 0x34]
jb 0x41d411
ja 0x41d405
cmp ecx, dword [edi + 0x30]
jb 0x41d411
mov dword [edi + 0x20], 0xb
pop edi
add esp, 0xc
ret
mov ecx, dword [edi + 4]
mov ax, word [esp + 4]
mov word [edx + ecx], ax
add dword [edi + 0x28], 2
adc dword [edi + 0x2c], 0
jmp 0x41d450
push 0
lea eax, [esp + 0x10]
push eax
push 2
lea eax, [esp + 0x10]
push eax
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x41d449
cmp dword [esp + 0xc], 2
je 0x41d450
mov dword [edi + 0x20], 3
test dword [edi], 0x40000000
je 0x41d45f
mov dword [edi + 0x20], 0x14
pop edi
add esp, 0xc
ret
Function at 0x41d470
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32
Write file on windows

Disassembly:
push ebp
mov ebp, dword [esp + 8]
push esi
mov esi, ecx
push edi
mov edi, edx
test ebp, ebp
je 0x41d5db
cmp dword [esi + 0x20], 0
jne 0x41d5db
test byte [esi], 0x10
je 0x41d569
mov ecx, dword [esi + 0x44]
mov eax, ecx
test ecx, ecx
je 0x41d4b4
cmp dword [esi + 0x48], ebp
jae 0x41d4b4
push ecx
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov dword [esi + 0x44], 0
jmp 0x41d4b8
test eax, eax
jne 0x41d4de
lea eax, [ebp*2]
push eax
push 0
mov dword [esi + 0x48], eax
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov dword [esi + 0x44], eax
test eax, eax
jne 0x41d4de
mov dword [esi + 0x20], 2
jmp 0x41d5cc
push ebp
push edi
push eax
call sub.VCRUNTIME140.dll_memcpy
xor edx, edx
add esp, 0xc
mov dword [esp + 0x10], edx
test ebp, ebp
je 0x41d566
push ebx
mov eax, dword [esi + 0x44]
mov ecx, dword [esi + 0x38]
mov bl, byte [edx + eax]
mov edx, dword [esi + 0x40]
mov edi, edx
movsx eax, bl
and edi, 0xfffd
xor eax, ecx
or edi, 2
movzx eax, al
shr ecx, 8
xor ecx, dword [eax*4 + 0x4b9988]
movzx eax, cl
add eax, dword [esi + 0x3c]
imul eax, eax, 0x8088405
mov dword [esi + 0x38], ecx
mov ecx, edi
xor ecx, 1
imul ecx, edi
inc eax
mov dword [esi + 0x3c], eax
shr eax, 0x18
xor eax, edx
shr ecx, 8
movzx eax, al
xor cl, bl
shr edx, 8
xor edx, dword [eax*4 + 0x4b9988]
mov dword [esi + 0x40], edx
mov edx, dword [esp + 0x14]
mov eax, dword [esi + 0x44]
mov byte [edx + eax], cl
inc edx
mov dword [esp + 0x14], edx
cmp edx, ebp
jb 0x41d4f4
pop ebx
mov edi, dword [esi + 0x44]
test byte [esi], 1
je 0x41d5a9
mov edx, dword [esi + 0x28]
mov ecx, edx
mov eax, dword [esi + 0x2c]
add ecx, ebp
adc eax, 0
cmp eax, dword [esi + 0x34]
jb 0x41d590
ja 0x41d587
cmp ecx, dword [esi + 0x30]
jb 0x41d590
mov dword [esi + 0x20], 0xb
jmp 0x41d5cc
mov eax, dword [esi + 4]
push ebp
add eax, edx
push edi
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
add dword [esi + 0x28], ebp
adc dword [esi + 0x2c], 0
jmp 0x41d5cc
push 0
lea eax, [esp + 0x14]
push eax
push ebp
push edi
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x41d5c5
cmp dword [esp + 0x10], ebp
je 0x41d5cc
mov dword [esi + 0x20], 3
test dword [esi], 0x40000000
je 0x41d5db
mov dword [esi + 0x20], 0x14
pop edi
pop esi
pop ebp
ret
Function at 0x41d710
Capabilities:
Read file on windows

Disassembly:
push ecx
push ebp
push esi
mov esi, ecx
mov ebp, edx
push edi
mov eax, dword [esi]
test eax, 0x40000000
je 0x41d72f
pop edi
mov dword [esi + 0x20], 0x14
xor eax, eax
pop esi
pop ebp
pop ecx
ret
test al, al
jns 0x41d77a
mov eax, dword [esi + 0x74]
mov ecx, dword [esi + 0x70]
mov edi, dword [esi + 0x68]
cmp eax, dword [esi + 0x6c]
ja 0x41d79a
jb 0x41d747
cmp ecx, edi
jae 0x41d79a
mov eax, dword [esp + 0x14]
sub edi, ecx
mov dword [esp + 0xc], edi
push ebx
mov ebx, edi
cmp edi, eax
jbe 0x41d760
mov edi, eax
mov ebx, eax
mov dword [esp + 0x10], edi
mov eax, dword [esi + 0x64]
push ebx
add eax, ecx
push eax
push ebp
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
add dword [esi + 0x70], ebx
adc dword [esi + 0x74], 0
pop ebx
jmp 0x41d7a5
push 0
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x1c]
push ebp
push dword [esi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x41d7a1
mov dword [esi + 0x20], 7
pop edi
pop esi
xor eax, eax
pop ebp
pop ecx
ret
mov edi, dword [esp + 0xc]
add dword [esi + 0x58], edi
mov edx, ebp
mov ecx, dword [esi + 0x60]
adc dword [esi + 0x5c], 0
push edi
call fcn.0041d210
add esp, 4
mov dword [esi + 0x60], eax
mov eax, edi
pop edi
pop esi
pop ebp
pop ecx
ret
Function at 0x41faa0
Capabilities:
Accept command line arguments
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
mov eax, ecx
mov dword [ebp - 4], eax
push esi
mov esi, edx
push edi
test eax, eax
je 0x41fbf8
cmp dword [eax + 0x18], 0
jne 0x41fbf8
cmp dword [eax + 0x3c], 0
je 0x41fbf8
cmp dword [eax + 0x1c], 0
je 0x41fbf8
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov ebx, eax
lea edx, [eax + 1]
nop
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x41fae0
sub eax, edx
inc eax
lea ecx, [eax + 8]
cmp eax, ecx
sbb eax, eax
test ecx, eax
je 0x41fb74
mov ecx, ebx
lea edx, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x41fb00
sub ecx, edx
lea eax, [ecx + 1]
lea ecx, [eax + 8]
cmp eax, ecx
sbb edx, edx
and edx, ecx
mov ecx, ebx
lea edi, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x41fb20
sub ecx, edi
lea eax, [ecx + 1]
lea ecx, [eax + 8]
cmp edx, 0x400
ja 0x41fb53
cmp eax, ecx
sbb eax, eax
and eax, ecx
call fcn.004b4550
mov edi, esp
test edi, edi
je 0x41fb76
mov dword [edi], 0xcccc
add edi, 8
jmp 0x41fb76
cmp eax, ecx
sbb eax, eax
and eax, ecx
push eax
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov edi, eax
add esp, 4
test edi, edi
je 0x41fb76
mov dword [edi], 0xdddd
add edi, 8
jmp 0x41fb76
xor edi, edi
mov edx, edi
mov ecx, ebx
sub edx, ebx
nop dword [eax]
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [edx + ecx - 1], al
test al, al
jne 0x41fb80
mov ecx, ebx
sub ecx, esi
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x41fb91
mov eax, dword [ebp - 4]
push 0
push 0
push 0
push dword [eax + 0x3c]
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
add esp, 0x18
mov esi, eax
push 0x64
push esi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov ecx, edi
sub ebx, edi
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [ebx + ecx - 1], al
test al, al
jne 0x41fbc6
test edi, edi
je 0x41fbec
add edi, 0xfffffff8
cmp dword [edi], 0xdddd
jne 0x41fbec
push edi
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
add esp, 4
mov eax, esi
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
xor eax, eax
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x420980
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0xc]
push edi
mov eax, dword [esi]
mov ecx, dword [esi + 0x14]
shl ecx, 0x1f
sar ecx, 0x1f
test ecx, ecx
lea edi, [eax - 5]
cmove edi, eax
xor ebx, ebx
test ecx, ecx
lea eax, [esp + 0x10]
push eax
setne bl
push 0x40
lea ebx, [ebx*2 + 5]
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
test eax, eax
jne 0x4209cb
push esi
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
mov eax, dword [esi + 0xc]
test byte [esi + 0x14], 1
mov dword [edi], eax
je 0x4209e6
mov ax, word [esi + 0x10]
mov word [edi + 4], ax
mov al, byte [esi + 0x12]
mov byte [edi + 6], al
jmp 0x4209ec
mov al, byte [esi + 0x10]
mov byte [edi + 4], al
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x14]
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
push esi
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
add esp, 4
mov eax, 1
pop edi
pop esi
pop ebx
ret
Function at 0x420db0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov dword [0x4cd110], ecx
mov eax, 1
nop dword [eax + eax]
mov ecx, dword [eax*4 + 0x4cd10c]
mov edx, ecx
shr edx, 0x1e
xor edx, ecx
imul ecx, edx, 0x6c078965
add ecx, eax
mov dword [eax*4 + 0x4cd110], ecx
inc eax
cmp eax, 0x270
jl 0x420dc0
mov dword [0x4c99a0], 1
mov dword [0x4cd10c], 1
ret

Function at 0x420e00
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
cmp dword [0x4cd10c], 0
push ebx
push ebp
push esi
push edi
mov esi, 0x4cd110
jne 0x420e1f
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, eax
call fcn.00420db0
mov eax, dword [0x4cd110]
mov ebx, 0xe3
mov dword [0x4c99a0], 0x270
mov dword [0x4cdad0], 0x4cd110
nop dword [eax]
mov edi, dword [esi + 4]
mov ecx, edi
xor ecx, eax
and ecx, 0x7ffffffe
xor ecx, eax
mov eax, edi
and al, 1
shr ecx, 1
movzx eax, al
neg eax
sbb eax, eax
and eax, 0x9908b0df
xor ecx, eax
mov eax, edi
xor ecx, dword [esi + 0x634]
mov dword [esi], ecx
add esi, 4
sub ebx, 1
jne 0x420e40
mov ebp, 0x18c
nop word [eax + eax]
mov ebx, dword [esi + 4]
lea esi, [esi + 4]
mov ecx, ebx
mov eax, ebx
xor ecx, edi
and al, 1
and ecx, 0x7ffffffe
movzx eax, al
xor ecx, edi
mov edi, ebx
shr ecx, 1
neg eax
sbb eax, eax
and eax, 0x9908b0df
xor ecx, eax
xor ecx, dword [esi - 0x390]
mov dword [esi - 4], ecx
sub ebp, 1
jne 0x420e80
mov eax, dword [0x4cd110]
mov ecx, ebx
xor ecx, eax
and al, 1
and ecx, 0x7ffffffe
movzx eax, al
xor ecx, ebx
shr ecx, 1
neg eax
pop edi
sbb eax, eax
and eax, 0x9908b0df
xor ecx, eax
xor ecx, dword [esi - 0x38c]
mov dword [esi], ecx
pop esi
pop ebp
pop ebx
ret

Function at 0x420ef0
Capabilities:
Generate random numbers using a mersenne twister

Disassembly:
sub dword [0x4c99a0], 1
jne 0x420efe
call fcn.00420e00
mov eax, dword [0x4cdad0]
mov ecx, dword [eax]
add eax, 4
mov dword [0x4cdad0], eax
mov eax, ecx
shr eax, 0xb
xor ecx, eax
mov eax, ecx
and eax, 0xff3a58ad
shl eax, 7
xor ecx, eax
mov eax, ecx
and eax, 0xffffdf8c
shl eax, 0xf
xor ecx, eax
mov eax, ecx
shr eax, 0x12
xor eax, ecx
ret

Function at 0x420f40
Capabilities:
Generate random numbers using a mersenne twister

Disassembly:
sub dword [0x4c99a0], 1
jne 0x420f4e
call fcn.00420e00
mov eax, dword [0x4cdad0]
mov ecx, dword [eax]
add eax, 4
mov dword [0x4cdad0], eax
mov eax, ecx
shr eax, 0xb
xor ecx, eax
mov eax, ecx
and eax, 0xff3a58ad
shl eax, 7
xor ecx, eax
mov eax, ecx
and eax, 0xffffdf8c
shl eax, 0xf
xor ecx, eax
mov eax, ecx
shr eax, 0x12
xor eax, ecx
movd xmm0, eax
cvtdq2pd xmm0, xmm0
shr eax, 0x1f
addsd xmm0, qword [eax*8 + 0x4c2460]
mulsd xmm0, qword [0x4c22e0]
ret

Function at 0x4216c0
Capabilities:
Write clipboard data

Disassembly:
cmp byte [ecx + 0x17], 0
jne 0x4216c9
mov ecx, dword [ecx + 0xc]
cmp byte [ecx + 0x17], 2
jne 0x4216ea
cmp dword [0x4cc838], 0
je 0x4216ea
mov dword [esp + 4], 1
mov ecx, 0x4cc82c
jmp fcn.004056e0
mov al, byte [ecx + 0x15]
and al, 0x86
cmp byte [esp + 4], 0
mov byte [ecx + 0x15], al
je 0x4216fe
or al, 1
mov byte [ecx + 0x15], al
mov eax, 1
ret 4