joyce8/EMBER2024-capa huggingface dataset:
Function at 0x405b54
Capabilities:
Encode data using xor

Disassembly:
push ebp
lea ebp, [esp - 0x58]
sub esp, 0xbc
push esi
mov esi, dword [ebp + 0x6c]
push edi
push 0x40
pop eax
cmp esi, eax
jae 0x405b6d
mov eax, esi
push eax
push dword [ebp + 0x68]
lea eax, [ebp - 0x44]
push eax
call fcn.0041bb20
add esp, 0xc
lea eax, [ebp + 0x20]
push eax
mov byte [ebp + esi - 0x44], 0
mov byte [ebp + esi - 0x43], 0
mov byte [ebp + esi - 0x42], 0
mov byte [ebp + esi - 0x41], 1
add esi, 4
push esi
lea eax, [ebp - 0x44]
push eax
push dword [ebp + 0x64]
push dword [ebp + 0x60]
call fcn.00405a17
push 0x20
pop esi
push esi
lea eax, [ebp + 0x20]
push eax
lea eax, [ebp]
push eax
call fcn.0041bb20
mov eax, dword [ebp + 0x7c]
add esp, 0xc
dec eax
mov dword [ebp + 0x4c], eax
push 0x10
pop eax
mov dword [ebp + 0x50], eax
mov dword [ebp + 0x54], eax
mov eax, dword [ebp + 0x70]
mov dword [ebp + 0x40], eax
mov eax, dword [ebp + 0x74]
mov dword [ebp + 0x44], eax
mov eax, dword [ebp + 0x78]
mov dword [ebp + 0x48], eax
xor edi, edi
mov eax, dword [ebp + edi + 0x4c]
test eax, eax
jbe 0x405c24
mov dword [ebp + 0x6c], eax
lea eax, [ebp - 0x64]
push eax
push esi
lea eax, [ebp + 0x20]
push eax
push dword [ebp + 0x64]
push dword [ebp + 0x60]
call fcn.00405a17
push esi
lea eax, [ebp - 0x64]
push eax
lea eax, [ebp + 0x20]
push eax
call fcn.0041bb20
add esp, 0xc
xor eax, eax
mov cl, byte [ebp + eax + 0x20]
xor byte [ebp + eax], cl
inc eax
cmp eax, esi
jb 0x405c12
dec dword [ebp + 0x6c]
jne 0x405beb
push esi
lea eax, [ebp]
push eax
push dword [ebp + edi + 0x40]
call fcn.0041bb20
add edi, 4
add esp, 0xc
cmp edi, 0xc
jb 0x405be0
push 0x44
lea eax, [ebp - 0x44]
push eax
call fcn.0040cb6a
push esi
lea eax, [ebp]
push eax
call fcn.0040cb6a
push esi
lea eax, [ebp + 0x20]
push eax
call fcn.0040cb6a
push esi
lea eax, [ebp - 0x64]
push eax
call fcn.0040cb6a
pop edi
pop esi
add ebp, 0x58
leave
ret 0x20
Function at 0x405c6f
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x264
push ebx
push edi
mov edi, dword [ebp + 0x1c]
mov ebx, ecx
mov dword [ebp - 4], ebx
cmp edi, 0x18
ja 0x405e18
and dword [ebp + 0x1c], 0
push esi
lea esi, [ebx + 0x102]
cmp dword [esi + 0x12], edi
jne 0x405cbf
push dword [ebp + 0xc]
mov ecx, ebx
call fcn.0040cc39
test al, al
je 0x405cbf
push 0x10
push dword [ebp + 0x14]
push esi
call fcn.0041a494
add esp, 0xc
test eax, eax
je 0x405e1e
inc dword [ebp + 0x1c]
add ebx, 0x178
cmp dword [ebp + 0x1c], 4
jb 0x405c90
mov esi, 0x200
push esi
lea eax, [ebp - 0x264]
push eax
push dword [ebp + 0x10]
call fcn.00411509
xor eax, eax
inc eax
mov ecx, edi
shl eax, cl
push eax
lea eax, [ebp - 0x44]
push eax
lea eax, [ebp - 0x64]
push eax
lea eax, [ebp - 0x24]
push eax
push 0x10
push dword [ebp + 0x14]
lea eax, [ebp - 0x264]
push eax
call fcn.0041a2f0
pop ecx
push eax
lea eax, [ebp - 0x264]
push eax
call fcn.00405b54
push esi
lea eax, [ebp - 0x264]
push eax
call fcn.0040cb6a
mov edx, dword [ebp - 4]
mov esi, dword [ebp + 0xc]
lea eax, [edx + 0x5e0]
mov ecx, dword [eax]
mov ebx, ecx
and ebx, 3
imul ebx, ebx, 0x178
add ebx, edx
inc ecx
mov dword [eax], ecx
push 0x40
mov dword [ebx + 0x114], edi
pop ecx
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
push 0x10
push dword [ebp + 0x14]
lea eax, [ebx + 0x102]
push eax
movsw word es:[edi], word [esi]
call fcn.0041bb20
push 0x20
pop esi
push esi
lea eax, [ebp - 0x24]
push eax
lea edi, [ebx + 0x118]
push edi
call fcn.0041bb20
push esi
lea eax, [ebp - 0x44]
push eax
lea eax, [ebx + 0x138]
push eax
call fcn.0041bb20
push esi
lea eax, [ebp - 0x64]
push eax
add ebx, 0x158
push ebx
call fcn.0041bb20
add esp, 0x30
push 1
push esi
push edi
call fcn.0040cac4
xor ebx, ebx
cmp dword [ebp + 0x20], ebx
je 0x405dba
push esi
lea eax, [ebp - 0x64]
push eax
push dword [ebp + 0x20]
call fcn.0041bb20
add esp, 0xc
mov edi, dword [ebp + 0x24]
cmp edi, ebx
je 0x405deb
push 8
push ebx
push edi
call fcn.0041a0b0
add esp, 0xc
xor ecx, ecx
mov dl, byte [ebp + ecx - 0x44]
mov eax, ecx
and eax, 7
add eax, edi
xor byte [eax], dl
inc ecx
cmp ecx, esi
jb 0x405dcf
push esi
lea eax, [ebp - 0x44]
push eax
call fcn.0040cb6a
cmp dword [ebp + 0x18], ebx
je 0x405e0d
push dword [ebp + 0x18]
mov ecx, dword [ebp - 4]
push 0x100
lea eax, [ebp - 0x24]
push eax
push dword [ebp + 8]
add ecx, 0x5e8
call fcn.0040c621
push esi
lea eax, [ebp - 0x24]
push eax
call fcn.0040cb6a
pop esi
pop edi
pop ebx
leave
ret 0x20
push 0
push 0x20
pop esi
push esi
lea edi, [ebx + 0x118]
push edi
call fcn.0040cac4
push esi
lea eax, [ebp - 0x24]
push edi
push eax
call fcn.0041bb20
add esp, 0xc
push 1
push esi
push edi
call fcn.0040cac4
push esi
lea eax, [ebx + 0x138]
push eax
lea eax, [ebp - 0x44]
push eax
call fcn.0041bb20
push esi
add ebx, 0x158
lea eax, [ebp - 0x64]
push ebx
push eax
call fcn.0041bb20
add esp, 0x18
jmp 0x405da3
Function at 0x405eeb
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push esi
mov esi, dword [ebp + 8]
cmp dword [esi], 2
jne 0x405f3d
lea eax, [ebp + 8]
push eax
push dword [esi + 4]
call fcn.00404a33
lea eax, [ebp - 0x20]
push eax
push 4
lea eax, [ebp + 8]
push eax
push 0x20
push dword [ebp + 0xc]
call fcn.00405a17
xor edx, edx
mov dword [esi + 4], edx
xor eax, eax
push ebx
movzx ebx, byte [ebp + eax - 0x20]
mov ecx, eax
and ecx, 3
shl ecx, 3
shl ebx, cl
xor edx, ebx
inc eax
cmp eax, 0x20
jb 0x405f22
mov dword [esi + 4], edx
pop ebx
cmp dword [esi], 3
jne 0x405f65
lea eax, [ebp - 0x20]
push eax
push 0x20
add esi, 4
push esi
push 0x20
push dword [ebp + 0xc]
call fcn.00405a17
push 0x20
lea eax, [ebp - 0x20]
push eax
push esi
call fcn.0041bb20
add esp, 0xc
pop esi
leave
ret 8
Function at 0x408319
Capabilities:
Move file

Disassembly:
mov eax, 0x42921f
call fcn.00419d70
mov eax, 0x5028
call fcn.0041a380
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov esi, 0x800
push esi
lea eax, [ebp - 0x5034]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetLongPathNameW]
test eax, eax
je 0x4084d6
cmp eax, esi
jae 0x4084d6
push esi
lea eax, [ebp - 0x4034]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetShortPathNameW]
test eax, eax
je 0x4084d6
cmp eax, esi
jae 0x4084d6
lea eax, [ebp - 0x5034]
push eax
call fcn.0040a127
mov dword [ebp - 0x10], eax
lea eax, [ebp - 0x4034]
push eax
call fcn.0040a127
mov edi, eax
cmp word [edi], 0
je 0x4084d6
push edi
push dword [ebp - 0x10]
call fcn.00411782
test eax, eax
je 0x4084d6
push edi
push ebx
call fcn.0040a127
push eax
call fcn.00411782
test eax, eax
jne 0x4084d6
mov word [ebp - 0x1010], ax
xor edi, edi
cmp word [ebp - 0x1010], 0
jne 0x408432
push esi
push ebx
lea eax, [ebp - 0x1010]
push eax
call fcn.0041060f
push edi
push str.rtmp_d
push esi
lea eax, [ebp - 0x1010]
push eax
call fcn.0040a127
push eax
call fcn.004112be
add esp, 0x10
lea eax, [ebp - 0x1010]
push eax
call fcn.004090aa
test al, al
je 0x408419
xor eax, eax
mov word [ebp - 0x1010], ax
add edi, 0x7b
cmp edi, 0x2710
jl 0x4083cc
cmp word [ebp - 0x1010], 0
je 0x4084d6
push esi
push ebx
lea eax, [ebp - 0x3034]
push eax
call fcn.0041060f
push esi
push dword [ebp - 0x10]
lea eax, [ebp - 0x3034]
push eax
call fcn.0040a291
mov esi, dword [sym.imp.KERNEL32.dll_MoveFileW]
lea eax, [ebp - 0x1010]
push eax
lea eax, [ebp - 0x3034]
push eax
call esi
test eax, eax
je 0x4084d6
lea ecx, [ebp - 0x2034]
call fcn.004085b7
push dword [ebp + 8]
and dword [ebp - 4], 0
xor bl, bl
call fcn.004090aa
test al, al
jne 0x408499
push 0xa
push dword [ebp + 8]
lea ecx, [ebp - 0x2034]
call fcn.00408755
mov bl, al
lea eax, [ebp - 0x3034]
push eax
lea eax, [ebp - 0x1010]
push eax
call esi
test bl, bl
je 0x4084c3
lea ecx, [ebp - 0x2034]
call fcn.00408842
lea ecx, [ebp - 0x2034]
call fcn.00408890
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x2034]
call fcn.00408a7d
mov al, 1
jmp 0x4084d8
xor al, al
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret 4
Function at 0x4088b9
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
xor ebx, ebx
push esi
mov esi, ecx
cmp dword [ebp + 0xc], ebx
je 0x4089a8
cmp dword [esi + 0xc], 1
jne 0x4088dd
push 0xfffffffffffffff5
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov dword [esi + 4], eax
push edi
mov dword [ebp - 4], ebx
cmp dword [esi + 0xc], ebx
je 0x408928
xor edi, edi
cmp dword [ebp + 0xc], ebx
jbe 0x408947
mov ecx, dword [ebp + 0xc]
sub ecx, edi
mov eax, 0x4000
cmp ecx, eax
jae 0x4088fd
mov eax, ecx
push ebx
lea ecx, [ebp - 4]
push ecx
push eax
mov eax, dword [ebp + 8]
add eax, edi
push eax
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
dec eax
neg eax
sbb al, al
inc al
je 0x408947
add edi, 0x4000
cmp edi, dword [ebp + 0xc]
jb 0x4088ed
jmp 0x408943
push ebx
lea eax, [ebp - 4]
push eax
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
dec eax
neg eax
sbb al, al
inc al
cmp al, bl
jne 0x4089a3
cmp byte [esi + 0x14], bl
je 0x4089a3
cmp dword [esi + 0xc], ebx
jne 0x4089a3
push ebx
lea eax, [esi + 0x1e]
mov edi, 0x432a94
push eax
mov ecx, edi
call fcn.00406330
test al, al
je 0x408997
mov eax, dword [ebp - 4]
cmp eax, dword [ebp + 0xc]
jae 0x4088de
cmp eax, ebx
jbe 0x4088de
mov edi, dword [esi]
push ebx
mov ecx, esi
call dword [edi + 0x10]
mov ecx, dword [ebp - 4]
xor ebx, ebx
sub eax, ecx
sbb edx, ebx
push edx
push eax
mov ecx, esi
call dword [edi + 0xc]
jmp 0x4088de
lea eax, [esi + 0x1e]
push eax
push ebx
mov ecx, edi
call fcn.004064d7
mov byte [esi + 8], 1
pop edi
pop esi
pop ebx
leave
ret 8

Function at 0x408aa0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
cmp dword [esi + 0xc], 1
push edi
mov edi, 0x4e20
jne 0x408ac7
cmp dword [ebp + 0xc], edi
jbe 0x408abc
mov dword [ebp + 0xc], edi
push 0xfffffffffffffff6
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov dword [esi + 4], eax
push 0
lea eax, [ebp - 4]
push eax
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x408b30
mov ecx, esi
call fcn.00408a5a
test al, al
je 0x408afd
cmp dword [ebp + 0xc], edi
jbe 0x408afd
push edi
push dword [ebp + 8]
mov ecx, esi
call fcn.00408aa0
jmp 0x408b33
cmp dword [esi + 0xc], 1
mov ebx, dword [sym.imp.KERNEL32.dll_GetLastError]
jne 0x408b14
call ebx
cmp eax, 0x6d
jne 0x408b14
xor eax, eax
jmp 0x408b33
cmp dword [esi + 0xc], 0
jne 0x408b2b
mov edi, 0x8000
cmp dword [ebp + 0xc], edi
jbe 0x408b2b
call ebx
cmp eax, 0x21
je 0x408af0
or eax, 0xffffffff
jmp 0x408b33
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret 8

Function at 0x408e46
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041a380
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
push edi
push dword [ebp + 8]
call esi
mov edi, eax
cmp edi, 0xffffffff
jne 0x408e8a
push 0x800
lea eax, [ebp - 0x1000]
push eax
push dword [ebp + 8]
call fcn.0040a5db
test al, al
je 0x408e8a
lea eax, [ebp - 0x1000]
push eax
call esi
mov edi, eax
mov eax, edi
pop edi
pop esi
leave
ret 4
Function at 0x408e92
Capabilities:
Set file attributes

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041a380
push ebx
push esi
push dword [ebp + 0xc]
mov esi, dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
push dword [ebp + 8]
call esi
test eax, eax
setne bl
test bl, bl
jne 0x408ee1
push 0x800
lea eax, [ebp - 0x1000]
push eax
push dword [ebp + 8]
call fcn.0040a5db
test al, al
je 0x408ee1
push dword [ebp + 0xc]
lea eax, [ebp - 0x1000]
push eax
call esi
test eax, eax
setne bl
pop esi
mov al, bl
pop ebx
leave
ret 8

Function at 0x4090ce
Capabilities:
Check if file exists
Create directory

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041a380
push esi
mov esi, dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push edi
mov edi, dword [ebp + 8]
push 0
push edi
call esi
test eax, eax
jne 0x40911e
push edi
call fcn.004090aa
test al, al
jne 0x409131
push 0x800
lea eax, [ebp - 0x1000]
push eax
push edi
call fcn.0040a5db
test al, al
je 0x409131
push 0
lea eax, [ebp - 0x1000]
push eax
call esi
test eax, eax
je 0x409131
cmp byte [ebp + 0xc], 0
je 0x40912d
push dword [ebp + 0x10]
push edi
call fcn.00408e92
xor eax, eax
jmp 0x409149
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
je 0x409146
cmp eax, 3
je 0x409146
xor eax, eax
inc eax
jmp 0x409149
push 2
pop eax
pop edi
pop esi
leave
ret 0xc
Function at 0x409267
Capabilities:
Check if file exists
Enumerate files on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1250
call fcn.0041a380
cmp dword [ebp + 8], 0xffffffff
push ebx
push esi
mov esi, dword [ebp + 0x10]
push edi
lea eax, [ebp - 0x250]
mov edi, 0x800
push eax
jne 0x4092f6
push dword [ebp + 0xc]
mov ebx, dword [sym.imp.KERNEL32.dll_FindFirstFileW]
call ebx
mov dword [ebp + 8], eax
cmp eax, 0xffffffff
jne 0x409323
push edi
lea eax, [ebp - 0x1250]
push eax
push dword [ebp + 0xc]
call fcn.0040a5db
test al, al
je 0x4092cf
lea eax, [ebp - 0x250]
push eax
lea eax, [ebp - 0x1250]
push eax
call ebx
mov dword [ebp + 8], eax
cmp eax, 0xffffffff
jne 0x409323
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
je 0x4092e9
cmp eax, 3
je 0x4092e9
cmp eax, 0x12
je 0x4092e9
xor eax, eax
inc eax
jmp 0x4092eb
xor eax, eax
mov byte [esi + 0x1044], al
jmp 0x4093ee
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x409319
or dword [ebp + 8], 0xffffffff
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x12
setne al
mov byte [esi + 0x1044], al
cmp dword [ebp + 8], 0xffffffff
je 0x4093ee
push edi
push dword [ebp + 0xc]
push esi
call fcn.0041060f
push edi
lea eax, [ebp - 0x224]
push eax
push esi
call fcn.0040a291
push 1
push 0
push 0
push dword [ebp - 0x234]
call fcn.0041a460
mov ecx, dword [ebp - 0x230]
xor edi, edi
add eax, ecx
mov dword [esi + 0x1000], eax
mov eax, dword [ebp - 0x250]
mov dword [esi + 0x1008], eax
mov eax, dword [ebp - 0x24c]
mov dword [esi + 0x1028], eax
mov eax, dword [ebp - 0x248]
mov dword [esi + 0x102c], eax
mov eax, dword [ebp - 0x244]
mov dword [esi + 0x1030], eax
mov eax, dword [ebp - 0x240]
mov dword [esi + 0x1034], eax
mov eax, dword [ebp - 0x23c]
mov dword [esi + 0x1038], eax
mov eax, dword [ebp - 0x238]
mov dword [esi + 0x103c], eax
lea eax, [ebp - 0x23c]
adc edx, edi
push eax
lea ecx, [esi + 0x1010]
mov dword [esi + 0x1004], edx
call fcn.00410d3a
lea eax, [ebp - 0x24c]
push eax
lea ecx, [esi + 0x1018]
call fcn.00410d3a
lea eax, [ebp - 0x244]
push eax
lea ecx, [esi + 0x1020]
call fcn.00410d3a
and dword [esi + 0x1040], 0
mov eax, dword [ebp + 8]
pop edi
pop esi
pop ebx
leave
ret 0xc
Function at 0x40a5db
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041a380
push esi
mov esi, dword [ebp + 8]
cmp word [esi], 0
jne 0x40a5f9
xor al, al
jmp 0x40a783
push ebx
push edi
push esi
call fcn.0040a070
push esi
call fcn.0041a043
pop ecx
push esi
mov ebx, eax
call fcn.0040a517
test al, al
je 0x40a6a3
push esi
call fcn.0040a070
test al, al
je 0x40a650
add ebx, 4
cmp dword [ebp + 0x10], ebx
jbe 0x40a77f
mov edi, dword [ebp + 0xc]
push 4
push 0x42a6a0
push edi
call fcn.0041c261
push esi
add edi, 8
push edi
call fcn.0041a08b
add esp, 0x14
jmp 0x40a77b
cmp word [esi], 0x5c
jne 0x40a77f
add esi, 2
cmp word [esi], 0x5c
jne 0x40a77f
add ebx, 6
cmp dword [ebp + 0x10], ebx
jbe 0x40a77f
mov edi, dword [ebp + 0xc]
push 4
push 0x42a6a0
push edi
call fcn.0041c261
lea eax, [edi + 8]
push 0x42a698
push eax
call fcn.0041a08b
push esi
add edi, 0xe
push edi
call fcn.0041a08b
add esp, 0x1c
jmp 0x40a77b
lea eax, [ebp - 0x1000]
push eax
mov edi, 0x7ff
push edi
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
test eax, eax
je 0x40a77f
cmp eax, edi
ja 0x40a77f
movzx eax, word [esi]
push eax
call fcn.00409e58
test al, al
je 0x40a710
add ebx, 6
cmp dword [ebp + 0x10], ebx
jbe 0x40a77f
mov edi, dword [ebp + 0xc]
push 4
push 0x42a6a0
push edi
call fcn.0041c261
push 2
lea eax, [ebp - 0x1000]
push eax
lea eax, [edi + 8]
push eax
call fcn.0041c261
push esi
add edi, 0xc
push edi
call fcn.0041a08b
add esp, 0x20
jmp 0x40a77b
push 0x800
lea eax, [ebp - 0x1000]
push eax
call fcn.00409e7d
lea eax, [ebp - 0x1000]
push eax
call fcn.0041a043
lea eax, [eax + ebx + 4]
pop ecx
cmp dword [ebp + 0x10], eax
jbe 0x40a77f
mov edi, dword [ebp + 0xc]
push 4
push 0x42a6a0
push edi
call fcn.0041c261
lea eax, [ebp - 0x1000]
push eax
lea eax, [edi + 8]
push eax
call fcn.0041a08b
add esp, 0x14
cmp word [esi], 0x2e
jne 0x40a771
movzx eax, word [esi + 2]
push eax
call fcn.00409e58
test al, al
je 0x40a771
add esi, 4
push dword [ebp + 0x10]
push esi
push edi
call fcn.0041063c
mov al, 1
jmp 0x40a781
xor al, al
pop edi
pop ebx
pop esi
leave
ret 0xc
Function at 0x40aa13
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, ecx
and dword [edi + 4], 0
and dword [edi], 0
mov eax, 0x8000
cmp dword [ebp + 0xc], eax
jae 0x40aa2f
mov eax, dword [ebp + 0xc]
mov esi, dword [ebp + 8]
push eax
push esi
push dword [edi + 0xc]
call fcn.0041bb20
xor eax, eax
inc eax
add esp, 0xc
xor bl, bl
cmp dword [ebp + 0xc], eax
jbe 0x40aa52
xor bl, byte [eax + esi]
inc eax
cmp eax, dword [ebp + 0xc]
jb 0x40aa49
push 8
mov ecx, edi
call fcn.004095ab
mov esi, dword [ebp + 0x10]
mov eax, dword [ebp + 8]
and dword [esi + 0x14], 0
cmp bl, byte [eax]
jne 0x40aab0
push dword [ebp + 0xc]
mov ecx, edi
push eax
call fcn.0040a958
mov edi, eax
test edi, edi
je 0x40aab0
push 1
mov ecx, esi
call fcn.0040a999
mov eax, dword [esi + 0x14]
lea ecx, [eax + 1]
imul eax, eax, 0x28
add eax, dword [esi]
mov dword [esi + 0x14], ecx
lea ecx, [eax + 0xc]
mov dword [ecx], edi
mov dword [eax + 0x14], ecx
lea ecx, [eax + 0x1c]
push 3
mov dword [eax + 0x24], ecx
pop ecx
mov dword [eax], 0x28
mov dword [eax + 0x18], ecx
mov dword [eax + 8], ecx
jmp 0x40ab10
push 1
mov ecx, esi
call fcn.0040a999
mov eax, dword [esi + 0x14]
lea ecx, [eax + 1]
imul eax, eax, 0x28
add eax, dword [esi]
mov dword [esi + 0x14], ecx
lea ecx, [eax + 0xc]
mov dword [eax + 0x14], ecx
lea ecx, [eax + 0x1c]
mov dword [eax + 0x24], ecx
push 3
pop ecx
mov dword [eax + 0x18], ecx
mov dword [eax + 8], ecx
xor edx, edx
mov dword [eax], 0x16
xor ecx, ecx
cmp dword [esi + 0x14], edx
jle 0x40ab10
xor edi, edi
mov eax, dword [esi]
add eax, edi
cmp dword [eax + 0x14], edx
jne 0x40aafc
lea ebx, [eax + 0xc]
mov dword [eax + 0x14], ebx
cmp dword [eax + 0x24], edx
jne 0x40ab07
lea ebx, [eax + 0x1c]
mov dword [eax + 0x24], ebx
inc ecx
add edi, 0x28
cmp ecx, dword [esi + 0x14]
jl 0x40aaed
pop edi
pop esi
pop ebx
pop ebp
ret 0xc
Function at 0x40c03c
Capabilities:
Decrypt data using aes via x86 extensions

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff0
push ecx
cmp dword [ebp + 0xc], 0
mov eax, dword [ebp + 0x10]
push ebx
push esi
lea ebx, [ecx + 8]
movdqu xmm1, xmmword [ebx]
push edi
mov edi, dword [ebp + 8]
mov dword [esp + 0xc], eax
lea esi, [ecx + 0x18]
jbe 0x40c0c1
mov eax, edi
movdqu xmm2, xmmword [eax]
mov eax, dword [ecx + 4]
mov edx, eax
shl edx, 4
add edx, esi
movdqu xmm0, xmmword [edx]
add edi, 0x10
dec eax
pxor xmm0, xmm2
test eax, eax
jle 0x40c098
mov edx, eax
shl edx, 4
add edx, esi
movdqu xmm3, xmmword [edx]
dec eax
sub edx, 0x10
aesdec xmm0, xmm3
test eax, eax
jg 0x40c087
cmp byte [ecx + 1], 0
movdqu xmm3, xmmword [esi]
aesdeclast xmm0, xmm3
je 0x40c0ab
pxor xmm0, xmm1
mov eax, dword [esp + 0xc]
add dword [esp + 0xc], 0x10
dec dword [ebp + 0xc]
movdqa xmm1, xmm2
movdqu xmmword [eax], xmm0
jne 0x40c060
pop edi
pop esi
movdqu xmmword [ebx], xmm1
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x40c0ce
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
push ebx
push esi
push edi
push 0x20
push dword [ebp + 8]
mov edi, ecx
mov ebx, dword [edi + 4]
lea eax, [ebp - 0x38]
push eax
mov dword [ebp - 4], edi
sub ebx, 6
call fcn.0041bb20
xor eax, eax
add esp, 0xc
xor edx, edx
cmp ebx, eax
mov dword [ebp + 8], eax
jle 0x40c13e
cmp edx, dword [edi + 4]
jg 0x40c28c
cmp eax, ebx
jge 0x40c12f
lea ecx, [ebp + eax*4 - 0x38]
mov esi, dword [ebp + 8]
cmp esi, 4
jge 0x40c12f
lea esi, [esi + edx*4]
lea edi, [edi + esi*4 + 0x18]
mov esi, ecx
inc eax
add ecx, 4
inc dword [ebp + 8]
cmp eax, ebx
movsd dword es:[edi], dword [esi]
mov edi, dword [ebp - 4]
jl 0x40c10f
cmp dword [ebp + 8], 4
jne 0x40c13a
inc edx
and dword [ebp + 8], 0
cmp eax, ebx
jl 0x40c0fe
cmp edx, dword [edi + 4]
jg 0x40c28c
mov eax, ebx
shl eax, 2
lea ecx, [ebp + eax - 0x3b]
mov dword [ebp - 0xc], ecx
lea ecx, [ebp + eax - 0x3a]
mov dword [ebp - 0x10], ecx
lea ecx, [ebp + eax - 0x39]
lea eax, [ebp + eax - 0x3c]
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], eax
mov dword [ebp - 8], 0x437ac0
mov eax, dword [ebp - 0xc]
movzx ecx, byte [eax]
mov al, byte [ebp - 0x38]
xor al, byte [ecx + 0x437be0]
mov ecx, dword [ebp - 0x10]
mov byte [ebp - 0x38], al
movzx ecx, byte [ecx]
mov cl, byte [ecx + 0x437be0]
xor byte [ebp - 0x37], cl
mov ecx, dword [ebp - 0x14]
movzx ecx, byte [ecx]
mov cl, byte [ecx + 0x437be0]
xor byte [ebp - 0x36], cl
mov ecx, dword [ebp - 0x18]
movzx ecx, byte [ecx]
mov cl, byte [ecx + 0x437be0]
xor byte [ebp - 0x35], cl
mov ecx, dword [ebp - 8]
xor al, byte [ecx]
inc dword [ebp - 8]
mov byte [ebp - 0x38], al
cmp ebx, 8
je 0x40c1e0
cmp ebx, 1
jle 0x40c241
lea ecx, [ebp - 0x34]
lea edi, [ebx - 1]
xor esi, esi
mov al, byte [ecx + esi - 4]
xor byte [ecx + esi], al
inc esi
cmp esi, 4
jl 0x40c1cb
add ecx, 4
dec edi
jne 0x40c1c9
jmp 0x40c23e
push 3
lea ecx, [ebp - 0x34]
pop edi
push 4
pop esi
mov al, byte [ecx - 4]
xor byte [ecx], al
inc ecx
dec esi
jne 0x40c1e9
dec edi
jne 0x40c1e6
movzx eax, byte [ebp - 0x2c]
mov al, byte [eax + 0x437be0]
xor byte [ebp - 0x28], al
movzx eax, byte [ebp - 0x2b]
mov al, byte [eax + 0x437be0]
xor byte [ebp - 0x27], al
movzx eax, byte [ebp - 0x2a]
mov al, byte [eax + 0x437be0]
xor byte [ebp - 0x26], al
movzx eax, byte [ebp - 0x29]
mov al, byte [eax + 0x437be0]
xor byte [ebp - 0x25], al
push 3
lea ecx, [ebp - 0x24]
pop edi
push 4
pop esi
mov al, byte [ecx - 4]
xor byte [ecx], al
inc ecx
dec esi
jne 0x40c232
dec edi
jne 0x40c22f
mov edi, dword [ebp - 4]
xor ecx, ecx
test ebx, ebx
jle 0x40c283
cmp edx, dword [edi + 4]
jg 0x40c28c
cmp ecx, ebx
jge 0x40c274
lea eax, [ebp + ecx*4 - 0x38]
mov esi, dword [ebp + 8]
cmp esi, 4
jge 0x40c274
lea esi, [esi + edx*4]
lea edi, [edi + esi*4 + 0x18]
mov esi, eax
inc ecx
add eax, 4
inc dword [ebp + 8]
cmp ecx, ebx
movsd dword es:[edi], dword [esi]
mov edi, dword [ebp - 4]
jl 0x40c254
cmp dword [ebp + 8], 4
jne 0x40c27f
inc edx
and dword [ebp + 8], 0
cmp ecx, ebx
jl 0x40c247
cmp edx, dword [edi + 4]
jle 0x40c16f
pop edi
pop esi
pop ebx
leave
ret 4
Function at 0x40c293
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
xor eax, eax
push edi
inc eax
mov edi, ecx
cmp dword [edi + 4], eax
mov dword [ebp - 8], eax
jle 0x40c322
lea eax, [edi + 0x28]
push ebx
mov dword [ebp - 4], eax
push esi
xor eax, eax
mov ecx, dword [ebp - 4]
lea esi, [ebp + eax - 0x1c]
add ecx, 2
mov dword [ebp - 0xc], 4
movzx edx, byte [ecx + 1]
movzx ebx, byte [ecx - 1]
mov dl, byte [eax + edx*4 + 0x434ac0]
xor dl, byte [eax + ebx*4 + 0x4352c0]
movzx ebx, byte [ecx - 2]
xor dl, byte [eax + ebx*4 + 0x4356c0]
movzx ebx, byte [ecx]
xor dl, byte [eax + ebx*4 + 0x434ec0]
add ecx, 4
mov byte [esi], dl
add esi, 4
dec dword [ebp - 0xc]
jne 0x40c2c2
inc eax
cmp eax, 4
jl 0x40c2b1
push 0x10
lea eax, [ebp - 0x1c]
push eax
push dword [ebp - 4]
call fcn.0041bb20
add dword [ebp - 4], 0x10
add esp, 0xc
inc dword [ebp - 8]
mov eax, dword [ebp - 8]
cmp eax, dword [edi + 4]
jl 0x40c2af
pop esi
pop ebx
pop edi
leave
ret