joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4064ec
Capabilities:
Encode data using xor
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x264
push ebx
mov ebx, dword [esp + 0x280]
mov eax, ecx
mov dword [esp + 4], eax
cmp ebx, 0x18
ja 0x4066e8
push ebp
push esi
xor ebp, ebp
lea esi, [eax + 0x4b4]
push edi
mov edi, ebp
cmp dword [esi + 0x134], ebx
jne 0x406550
push dword [esp + 0x27c]
mov ecx, esi
call fcn.0040e36e
test al, al
je 0x406550
push 0x10
push dword [esp + 0x288]
lea eax, [esi + 0x102]
push eax
call fcn.0041edda
add esp, 0xc
test eax, eax
je 0x4066f2
inc edi
add esi, 0x178
cmp edi, 4
jb 0x406516
mov esi, 0x200
lea eax, [esp + 0x74]
push esi
push eax
push dword [esp + 0x288]
call fcn.00410ea1
xor eax, eax
mov ecx, ebx
inc eax
shl eax, cl
push eax
lea eax, [esp + 0x38]
push eax
lea eax, [esp + 0x5c]
push eax
lea eax, [esp + 0x20]
push eax
push 0x10
push dword [esp + 0x298]
lea eax, [esp + 0x8c]
push eax
call fcn.004225c0
pop ecx
push eax
lea eax, [esp + 0x90]
push eax
call fcn.0040694e
push esi
lea eax, [esp + 0x78]
push eax
call fcn.0040e59c
mov edx, dword [esp + 0x10]
mov esi, dword [esp + 0x27c]
push 0x40
mov ecx, dword [edx + 0xa94]
lea ebx, [edx + 0x4b4]
mov eax, ecx
and eax, 3
imul eax, eax, 0x178
add ebx, eax
lea eax, [ecx + 1]
mov dword [edx + 0xa94], eax
mov edi, ebx
mov eax, dword [esp + 0x290]
pop ecx
mov dword [ebx + 0x134], eax
lea eax, [ebx + 0x102]
rep movsd dword es:[edi], dword [esi]
push 0x10
push dword [esp + 0x288]
push eax
movsw word es:[edi], word [esi]
call fcn.0041e490
push 0x20
pop edi
push edi
lea eax, [esp + 0x24]
push eax
lea esi, [ebx + 0x112]
push esi
call fcn.0041e490
push edi
lea eax, [esp + 0x50]
push eax
lea eax, [ebx + 0x138]
push eax
call fcn.0041e490
push edi
lea eax, [esp + 0x7c]
push eax
lea eax, [ebx + 0x158]
push eax
call fcn.0041e490
add esp, 0x30
push ebp
push 1
push edi
push esi
call fcn.0040e4a7
cmp dword [esp + 0x290], ebp
je 0x406676
push edi
lea eax, [esp + 0x58]
push eax
push dword [esp + 0x298]
call fcn.0041e490
add esp, 0xc
mov esi, dword [esp + 0x294]
test esi, esi
je 0x4066a9
push 8
push ebp
push esi
call fcn.0041e330
add esp, 0xc
mov al, byte [esp + ebp + 0x34]
mov ecx, ebp
and ecx, 7
xor byte [ecx + esi], al
inc ebp
cmp ebp, edi
jb 0x40668d
push edi
lea eax, [esp + 0x38]
push eax
call fcn.0040e59c
cmp dword [esp + 0x288], 0
je 0x4066da
push dword [esp + 0x288]
mov ecx, dword [esp + 0x14]
lea eax, [esp + 0x18]
push 0x100
push eax
push dword [esp + 0x284]
add ecx, 0xa9c
call fcn.0040da26
push edi
lea eax, [esp + 0x18]
push eax
call fcn.0040e59c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x264
ret 0x20
push 0x20
pop edi
push edi
lea eax, [esi + 0x112]
push eax
lea eax, [esp + 0x1c]
push eax
call fcn.0041e490
add esp, 0xc
lea eax, [esp + 0x14]
push ebp
push ebp
push edi
push eax
call fcn.0040e4a7
push edi
lea eax, [esi + 0x138]
push eax
lea eax, [esp + 0x3c]
push eax
call fcn.0041e490
push edi
lea eax, [esi + 0x158]
push eax
lea eax, [esp + 0x68]
push eax
call fcn.0041e490
add esp, 0x18
jmp 0x406658
Function at 0x406743
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
sub esp, 0x1bc
push ebx
mov ebx, dword [esp + 0x1c8]
push ebp
push esi
push edi
push 0x40
pop edi
cmp ebx, edi
jbe 0x406798
lea eax, [esp + 0x164]
push eax
call fcn.0040f169
push ebx
push dword [esp + 0x1d4]
lea eax, [esp + 0x16c]
push eax
call fcn.0040f1af
lea eax, [esp + 0x54]
push eax
lea eax, [esp + 0x168]
push eax
call fcn.0040f07a
push 0x20
lea eax, [esp + 0x58]
pop ebx
jmp 0x40679f
mov eax, dword [esp + 0x1d0]
mov ebp, dword [esp + 0x1e4]
mov dword [esp + 0x10], eax
test ebp, ebp
je 0x4067ca
mov edx, dword [esp + 0x1e8]
cmp byte [edx], 0
je 0x4067ca
push 0x1a
pop ecx
mov esi, ebp
lea edi, [esp + 0x94]
rep movsd dword es:[edi], dword [esi]
jmp 0x40682b
xor edx, edx
test ebx, ebx
je 0x4067ea
mov esi, eax
lea eax, [esp + 0x14]
sub esi, eax
lea ecx, [esp + 0x14]
add ecx, edx
mov al, byte [esi + ecx]
xor al, 0x36
inc edx
mov byte [ecx], al
cmp edx, ebx
jb 0x4067d8
cmp ebx, edi
jae 0x406804
mov eax, edi
lea ecx, [esp + 0x14]
sub eax, ebx
add ecx, ebx
push eax
push 0x36
push ecx
call fcn.0041e330
add esp, 0xc
lea eax, [esp + 0x94]
push eax
call fcn.0040f169
push edi
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x9c]
push eax
call fcn.0040f1af
mov edx, dword [esp + 0x1e8]
test ebp, ebp
je 0x406845
cmp byte [edx], 0
jne 0x406845
push 0x1a
pop ecx
lea esi, [esp + 0x94]
mov edi, ebp
rep movsd dword es:[edi], dword [esi]
mov byte [edx], 1
push dword [esp + 0x1dc]
lea eax, [esp + 0x98]
push dword [esp + 0x1dc]
push eax
call fcn.0040f1af
lea eax, [esp + 0x74]
push eax
lea eax, [esp + 0x98]
push eax
call fcn.0040f07a
mov ebp, dword [esp + 0x1ec]
test ebp, ebp
je 0x406899
mov eax, dword [esp + 0x1f0]
cmp byte [eax], 0
je 0x406899
push 0x1a
pop ecx
mov esi, ebp
lea edi, [esp + 0xfc]
rep movsd dword es:[edi], dword [esi]
jmp 0x4068ff
test ebx, ebx
je 0x4068bb
mov edx, dword [esp + 0x10]
lea eax, [esp + 0x14]
sub edx, eax
xor esi, esi
lea ecx, [esp + 0x14]
add ecx, esi
mov al, byte [edx + ecx]
xor al, 0x5c
inc esi
mov byte [ecx], al
cmp esi, ebx
jb 0x4068a9
cmp ebx, 0x40
jae 0x4068d7
push 0x40
pop eax
sub eax, ebx
lea ecx, [esp + 0x14]
push eax
add ecx, ebx
push 0x5c
push ecx
call fcn.0041e330
add esp, 0xc
lea eax, [esp + 0xfc]
push eax
call fcn.0040f169
push 0x40
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x104]
push eax
call fcn.0040f1af
mov eax, dword [esp + 0x1f0]
test ebp, ebp
je 0x406919
cmp byte [eax], 0
jne 0x406919
push 0x1a
pop ecx
lea esi, [esp + 0xfc]
mov edi, ebp
rep movsd dword es:[edi], dword [esi]
mov byte [eax], 1
push 0x20
lea eax, [esp + 0x78]
push eax
lea eax, [esp + 0x104]
push eax
call fcn.0040f1af
push dword [esp + 0x1e0]
lea eax, [esp + 0x100]
push eax
call fcn.0040f07a
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x1bc
ret 0x24
Function at 0x40694e
Capabilities:
Encode data using xor

Disassembly:
push ebp
lea ebp, [esp - 0x58]
sub esp, 0x18c
push ebx
push esi
mov esi, dword [ebp + 0x6c]
push edi
push 0x40
pop eax
cmp esi, eax
jae 0x406968
mov eax, esi
push eax
push dword [ebp + 0x68]
lea eax, [ebp - 0x44]
push eax
call fcn.0041e490
add esp, 0xc
mov dword [ebp + esi - 0x44], 0x1000000
xor eax, eax
push eax
push eax
push eax
push eax
lea eax, [ebp + 0x20]
push eax
lea eax, [esi + 4]
push eax
lea eax, [ebp - 0x44]
push eax
push dword [ebp + 0x64]
push dword [ebp + 0x60]
call fcn.00406743
push 0x20
pop ebx
push ebx
lea eax, [ebp + 0x20]
push eax
lea eax, [ebp]
push eax
call fcn.0041e490
mov eax, dword [ebp + 0x7c]
add esp, 0xc
dec eax
mov byte [ebp + 0x6b], 0
mov dword [ebp + 0x4c], eax
xor esi, esi
mov byte [ebp + 0x6f], 0
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
mov edi, dword [ebp + esi + 0x4c]
test edi, edi
je 0x406a34
lea eax, [ebp + 0x6f]
push eax
lea eax, [ebp - 0xcc]
push eax
lea eax, [ebp + 0x6b]
push eax
lea eax, [ebp - 0x134]
push eax
lea eax, [ebp - 0x64]
push eax
push ebx
lea eax, [ebp + 0x20]
push eax
push dword [ebp + 0x64]
push dword [ebp + 0x60]
call fcn.00406743
push ebx
lea eax, [ebp - 0x64]
push eax
lea eax, [ebp + 0x20]
push eax
call fcn.0041e490
add esp, 0xc
xor ecx, ecx
mov al, byte [ebp + ecx + 0x20]
xor byte [ebp + ecx], al
inc ecx
cmp ecx, ebx
jb 0x406a22
sub edi, 1
jne 0x4069e5
push ebx
lea eax, [ebp]
push eax
push dword [ebp + esi + 0x40]
call fcn.0041e490
add esi, 4
add esp, 0xc
cmp esi, 0xc
jb 0x4069dd
push 0x44
lea eax, [ebp - 0x44]
push eax
call fcn.0040e59c
push ebx
lea eax, [ebp]
push eax
call fcn.0040e59c
push ebx
lea eax, [ebp + 0x20]
push eax
call fcn.0040e59c
push ebx
lea eax, [ebp - 0x64]
push eax
call fcn.0040e59c
pop edi
pop esi
pop ebx
lea esp, [ebp + 0x58]
pop ebp
ret 0x20
Function at 0x40925e
Capabilities:
Move file

Disassembly:
mov eax, 0x430bd8
call fcn.0041d274
mov eax, 0x5024
call fcn.0041d350
push ebx
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x4030]
push edi
mov ebx, 0x800
push ebx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetLongPathNameW]
test eax, eax
je 0x40941d
cmp eax, ebx
jae 0x40941d
push ebx
lea eax, [ebp - 0x5030]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetShortPathNameW]
test eax, eax
je 0x40941d
cmp eax, ebx
jae 0x40941d
lea eax, [ebp - 0x4030]
push eax
call fcn.0040b93e
mov dword [ebp + 8], eax
lea eax, [ebp - 0x5030]
push eax
call fcn.0040b93e
mov edi, eax
xor ebx, ebx
cmp word [edi], bx
je 0x40941d
push edi
push dword [ebp + 8]
call fcn.00411040
test eax, eax
je 0x40941d
push edi
push esi
call fcn.0040b93e
push eax
call fcn.00411040
test eax, eax
jne 0x40941d
mov word [ebp - 0x100c], ax
mov edi, ebx
test ax, ax
jne 0x40937f
push 0x800
push esi
lea eax, [ebp - 0x100c]
push eax
call fcn.0040f710
push edi
push str.rtmp_d
push 0x800
lea eax, [ebp - 0x100c]
push eax
call fcn.0040b93e
push eax
call fcn.00403ee3
add esp, 0x10
lea eax, [ebp - 0x100c]
push eax
call fcn.00409e6d
test al, al
je 0x409364
xor eax, eax
mov word [ebp - 0x100c], ax
jmp 0x40936b
mov ax, word [ebp - 0x100c]
add edi, 0x7b
cmp edi, 0x2710
jl 0x409312
test ax, ax
je 0x40941d
mov edi, 0x800
lea eax, [ebp - 0x3030]
push edi
push esi
push eax
call fcn.0040f710
push edi
push dword [ebp + 8]
lea eax, [ebp - 0x3030]
push eax
call fcn.0040b9b4
mov edi, dword [sym.imp.KERNEL32.dll_MoveFileW]
lea eax, [ebp - 0x100c]
push eax
lea eax, [ebp - 0x3030]
push eax
call edi
test eax, eax
je 0x40941d
lea ecx, [ebp - 0x2030]
call fcn.00409432
push esi
mov dword [ebp - 4], ebx
call fcn.00409e6d
test al, al
jne 0x4093e4
push 0x12
push esi
lea ecx, [ebp - 0x2030]
call fcn.0040951e
mov bl, al
lea eax, [ebp - 0x3030]
push eax
lea eax, [ebp - 0x100c]
push eax
call edi
test bl, bl
je 0x40940e
lea ecx, [ebp - 0x2030]
call fcn.004094d0
lea ecx, [ebp - 0x2030]
call fcn.00409617
lea ecx, [ebp - 0x2030]
call fcn.00409464
mov al, 1
jmp 0x40941f
xor al, al
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
mov esp, ebp
pop ebp
ret 4
Function at 0x409640
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
jne 0x409659
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 0x4096cc
mov ecx, esi
call fcn.00409747
test al, al
je 0x409694
mov eax, 0x4e20
cmp dword [ebp + 0xc], eax
jbe 0x409694
push eax
push dword [ebp + 8]
mov ecx, esi
call fcn.00409640
jmp 0x4096cf
cmp dword [esi + 0xc], 1
jne 0x4096a9
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x6d
jne 0x4096a9
xor eax, eax
jmp 0x4096cf
cmp dword [esi + 0xc], 0
jne 0x4096c7
mov ebx, 0x8000
cmp dword [ebp + 0xc], ebx
jbe 0x4096c7
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x21
jne 0x4096c7
push ebx
jmp 0x409688
or eax, 0xffffffff
jmp 0x4096cf
mov eax, dword [ebp - 4]
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8

Function at 0x40976a
Capabilities:
Check if file exists

Disassembly:
mov eax, 0x1054
call fcn.0041d350
push ebx
mov ebx, dword [esp + 0x1060]
push ebp
push edi
mov edi, ecx
and dword [edi + 0x1020], 0
cmp byte [edi + 0x1d], 0
jne 0x409796
test bl, 4
jne 0x409796
xor cl, cl
jmp 0x409798
mov cl, 1
mov eax, ebx
shr eax, 1
push esi
and al, 1
movzx esi, al
neg esi
sbb esi, esi
and esi, 0xc0000000
add esi, 0x80000000
test bl, 1
je 0x4097bd
or esi, 0x40000000
shr ebx, 3
not ebx
and ebx, 1
test cl, cl
je 0x4097cc
or ebx, 2
xor eax, eax
lea ecx, [esp + 0x1c]
cmp byte [edi + 0x15], al
setne al
dec eax
and eax, 0x8000000
mov dword [esp + 0x10], eax
call fcn.00406f60
cmp byte [edi + 0x1c], 0
je 0x4097f3
or esi, 0x100
push 0
push dword [esp + 0x14]
push 3
push 0
push ebx
push esi
push dword [esp + 0x1080]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebp, eax
cmp ebp, 0xffffffff
jne 0x409875
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [esp + 0x14], eax
lea eax, [esp + 0x1c]
push 0x800
push eax
push dword [esp + 0x1070]
call fcn.0040b327
test al, al
je 0x409864
push 0
push dword [esp + 0x14]
lea eax, [esp + 0x24]
push 3
push 0
push ebx
push esi
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebp, eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
jne 0x40985f
mov dword [esp + 0x14], eax
cmp ebp, 0xffffffff
jne 0x409875
cmp dword [esp + 0x14], 2
jne 0x409875
mov dword [edi + 0x1020], 1
cmp byte [edi + 0x1c], 0
pop esi
je 0x40989b
cmp ebp, 0xffffffff
je 0x40989b
or dword [esp + 0x10], 0xffffffff
lea eax, [esp + 0x10]
or dword [esp + 0x14], 0xffffffff
push 0
push eax
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_SetFileTime]
xor eax, eax
cmp ebp, 0xffffffff
mov byte [edi + 0x12], al
setne bl
mov dword [edi + 0xc], eax
mov byte [edi + 0x10], al
cmp ebp, 0xffffffff
je 0x4098c9
push 0x800
push dword [esp + 0x1068]
lea ecx, [edi + 0x1e]
mov dword [edi + 4], ebp
push ecx
call fcn.0040f710
pop edi
pop ebp
mov al, bl
pop ebx
add esp, 0x1054
ret 8
Function at 0x409c36
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, dword [esp + 0xc]
push edi
mov edi, ecx
test ebp, ebp
jne 0x409c49
mov al, 1
jmp 0x409d37
cmp dword [edi + 0xc], 1
jne 0x409c5a
push 0xfffffffffffffff5
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov dword [edi + 4], eax
push ebx
push esi
and dword [esp + 0x18], 0
xor bl, bl
cmp dword [edi + 0xc], 0
je 0x409caf
xor esi, esi
test ebp, ebp
je 0x409cd1
mov eax, ebp
sub eax, esi
cmp eax, 0x4000
jb 0x409c7f
mov eax, 0x4000
push 0
lea ecx, [esp + 0x1c]
push ecx
push eax
mov eax, dword [esp + 0x20]
add eax, esi
push eax
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
lea ebx, [eax - 1]
neg ebx
sbb bl, bl
add bl, 1
je 0x409cd1
add esi, 0x4000
cmp esi, ebp
jb 0x409c6f
jmp 0x409ccd
push 0
lea eax, [esp + 0x1c]
push eax
push ebp
push dword [esp + 0x20]
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
dec eax
neg eax
sbb al, al
inc al
mov bl, al
test bl, bl
jne 0x409d2f
cmp byte [edi + 0x14], 0
je 0x409d2f
cmp dword [edi + 0xc], 0
jne 0x409d2f
push 0
lea esi, [edi + 0x1e]
mov ecx, 0x43ef0c
push esi
call fcn.00406cf5
test al, al
je 0x409d22
cmp dword [esp + 0x18], ebp
jae 0x409c5c
cmp dword [esp + 0x18], 0
jbe 0x409c5c
mov esi, dword [edi]
mov ecx, edi
push 0
call dword [esi + 0x14]
sub eax, dword [esp + 0x1c]
mov ecx, edi
sbb edx, 0
push edx
push eax
call dword [esi + 0x10]
jmp 0x409c5c
push esi
push 0
mov ecx, 0x43ef0c
call fcn.00406f02
pop esi
mov al, bl
mov byte [edi + 8], 1
pop ebx
pop edi
pop ebp
ret 8

Function at 0x409e81
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041d350
push esi
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x409ec6
push 0x800
lea eax, [ebp - 0x1000]
push eax
push dword [ebp + 8]
call fcn.0040b327
test al, al
je 0x409ec6
lea eax, [ebp - 0x1000]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
mov esi, eax
mov eax, esi
pop esi
mov esp, ebp
pop ebp
ret 4

Function at 0x409ef4
Capabilities:
Check if file exists
Create directory

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041d350
push esi
mov esi, dword [ebp + 8]
push esi
call fcn.0040b922
movzx eax, word [eax]
cmp eax, 0x2e
je 0x409f25
cmp eax, 0x20
je 0x409f25
push 0
push esi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x409f58
push esi
call fcn.00409e6d
test al, al
jne 0x409f6b
push 0x800
lea eax, [ebp - 0x1000]
push eax
push esi
call fcn.0040b327
test al, al
je 0x409f6b
push 0
lea eax, [ebp - 0x1000]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
je 0x409f6b
cmp byte [ebp + 0xc], 0
je 0x409f67
push dword [ebp + 0x10]
push esi
call fcn.0040a131
xor eax, eax
jmp 0x409f83
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
je 0x409f80
cmp eax, 3
je 0x409f80
xor eax, eax
inc eax
jmp 0x409f83
push 2
pop eax
pop esi
mov esp, ebp
pop ebp
ret 0xc
Function at 0x40a131
Capabilities:
Set file attributes

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041d350
push ebx
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
setne bl
test bl, bl
jne 0x40a181
push 0x800
lea eax, [ebp - 0x1000]
push eax
push dword [ebp + 8]
call fcn.0040b327
test al, al
je 0x40a181
push dword [ebp + 0xc]
lea eax, [ebp - 0x1000]
push eax
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
setne bl
mov al, bl
pop ebx
mov esp, ebp
pop ebp
ret 8

Function at 0x40a2e1
Capabilities:
Check if file exists
Enumerate files on windows

Disassembly:
mov eax, 0x1250
call fcn.0041d350
push ebx
push ebp
push esi
mov esi, dword [esp + 0x1260]
lea eax, [esp + 0xc]
push edi
mov edi, dword [esp + 0x126c]
or ebp, 0xffffffff
push eax
cmp esi, ebp
jne 0x40a37b
push dword [esp + 0x126c]
mov ebx, dword [sym.imp.KERNEL32.dll_FindFirstFileW]
call ebx
mov esi, eax
cmp esi, ebp
jne 0x40a3a2
push 0x800
lea eax, [esp + 0x264]
push eax
push dword [esp + 0x1270]
call fcn.0040b327
test al, al
je 0x40a354
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x264]
push eax
call ebx
mov esi, eax
cmp esi, ebp
jne 0x40a3a2
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
je 0x40a36e
cmp eax, 3
je 0x40a36e
cmp eax, 0x12
je 0x40a36e
xor eax, eax
inc eax
jmp 0x40a370
xor eax, eax
mov byte [edi + 0x1044], al
jmp 0x40a450
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x40a39a
mov esi, ebp
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x12
setne al
mov byte [edi + 0x1044], al
cmp esi, ebp
je 0x40a450
mov ebx, 0x800
push ebx
push dword [esp + 0x126c]
push edi
call fcn.0040f710
push ebx
lea eax, [esp + 0x40]
push eax
push edi
call fcn.0040b9b4
mov ecx, dword [esp + 0x2c]
xor eax, eax
add eax, dword [esp + 0x30]
mov dword [edi + 0x1000], eax
mov eax, dword [esp + 0x10]
adc ecx, 0
mov dword [edi + 0x1008], eax
mov eax, dword [esp + 0x14]
mov dword [edi + 0x1028], eax
mov eax, dword [esp + 0x18]
mov dword [edi + 0x102c], eax
mov eax, dword [esp + 0x1c]
mov dword [edi + 0x1030], eax
mov eax, dword [esp + 0x20]
mov dword [edi + 0x1034], eax
mov eax, dword [esp + 0x24]
mov dword [edi + 0x1038], eax
mov eax, dword [esp + 0x28]
mov dword [edi + 0x103c], eax
lea eax, [esp + 0x24]
mov dword [edi + 0x1004], ecx
lea ecx, [edi + 0x1010]
push eax
call fcn.004106ef
lea eax, [esp + 0x14]
push eax
lea ecx, [edi + 0x1018]
call fcn.004106ef
lea eax, [esp + 0x1c]
push eax
lea ecx, [edi + 0x1020]
call fcn.004106ef
and dword [edi + 0x1040], 0
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x1250
ret 0xc
Function at 0x40b327
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1000
call fcn.0041d350
push esi
mov esi, dword [ebp + 8]
cmp word [esi], 0
jne 0x40b345
xor al, al
jmp 0x40b4af
push ebx
push edi
push esi
call fcn.0040b4c1
push esi
call fcn.00422543
pop ecx
push esi
mov edi, eax
call fcn.0040b4ed
test al, al
je 0x40b3d7
push esi
call fcn.0040b4c1
test al, al
je 0x40b38e
lea eax, [edi + 4]
cmp dword [ebp + 0x10], eax
jbe 0x40b4ab
push dword [ebp + 0x10]
push 0x4315d0
push dword [ebp + 0xc]
call fcn.0040f710
push dword [ebp + 0x10]
jmp 0x40b49e
push 0x5c
pop eax
cmp word [esi], ax
jne 0x40b4ab
lea ebx, [esi + 2]
cmp word [ebx], ax
jne 0x40b4ab
mov esi, dword [ebp + 0x10]
lea eax, [edi + 6]
cmp esi, eax
jbe 0x40b4ab
push esi
push 0x4315d0
push dword [ebp + 0xc]
call fcn.0040f710
push esi
push 0x4315dc
push dword [ebp + 0xc]
call fcn.0040f6e8
push esi
push ebx
jmp 0x40b49f
lea eax, [ebp - 0x1000]
mov ebx, 0x7ff
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
test eax, eax
je 0x40b4ab
cmp eax, ebx
ja 0x40b4ab
movzx eax, word [esi]
push eax
call fcn.0040b5c8
test al, al
je 0x40b43e
lea eax, [edi + 6]
mov edi, dword [ebp + 0x10]
cmp edi, eax
jbe 0x40b4ab
push edi
push 0x4315d0
push dword [ebp + 0xc]
call fcn.0040f710
xor eax, eax
mov word [ebp - 0xffc], ax
lea eax, [ebp - 0x1000]
push edi
push eax
push dword [ebp + 0xc]
call fcn.0040f6e8
jmp 0x40b49d
push 0x800
lea eax, [ebp - 0x1000]
push eax
call fcn.0040aea7
lea eax, [ebp - 0x1000]
push eax
call fcn.00422543
add edi, 4
add eax, edi
mov edi, dword [ebp + 0x10]
pop ecx
cmp edi, eax
jbe 0x40b4ab
push edi
push 0x4315d0
push dword [ebp + 0xc]
call fcn.0040f710
push edi
lea eax, [ebp - 0x1000]
push eax
push dword [ebp + 0xc]
call fcn.0040f6e8
cmp word [esi], 0x2e
jne 0x40b49d
movzx eax, word [esi + 2]
push eax
call fcn.0040b5c8
test al, al
je 0x40b49d
add esi, 4
push edi
push esi
push dword [ebp + 0xc]
call fcn.0040f6e8
mov al, 1
jmp 0x40b4ad
xor al, al
pop edi
pop ebx
pop esi
mov esp, ebp
pop ebp
ret 0xc

Function at 0x40c0e5
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 4]
xor eax, eax
push ebx
push esi
mov esi, dword [esp + 0x10]
xor ebx, ebx
inc eax
mov cl, bl
cmp esi, eax
jbe 0x40c102
xor cl, byte [eax + edx]
inc eax
cmp eax, esi
jb 0x40c0fa
cmp cl, byte [edx]
jne 0x40c13d
push esi
push edx
push 0xffffffffffffffff
call fcn.00405e1e
not eax
mov ecx, ebx
cmp dword [ecx + 0x43c02c], eax
jne 0x40c123
cmp dword [ecx + 0x43c028], esi
je 0x40c12e
add ecx, 0xc
inc ebx
cmp ecx, 0x48
jb 0x40c113
jmp 0x40c13d
imul eax, ebx, 0xc
mov ecx, dword [eax + 0x43c030]
mov eax, dword [esp + 0x14]
mov dword [eax], ecx
pop esi
pop ebx
ret 0xc
Function at 0x40e019
Capabilities:
Decrypt data using aes via x86 extensions

Disassembly:
mov edx, ecx
push esi
mov esi, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
lea eax, [edx + 0x18]
mov dword [esp + 0x14], eax
movups xmm2, xmmword [edx + 8]
test esi, esi
je 0x40e098
mov ecx, dword [esp + 0xc]
mov eax, ecx
add ecx, 0x10
mov dword [esp + 0xc], ecx
mov ecx, dword [edx + 4]
movups xmm3, xmmword [eax]
mov eax, ecx
shl eax, 4
add eax, dword [esp + 0x14]
dec ecx
movups xmm1, xmmword [eax]
pxor xmm1, xmm3
test ecx, ecx
jle 0x40e075
mov eax, ecx
shl eax, 4
add eax, dword [esp + 0x14]
movups xmm0, xmmword [eax]
dec ecx
lea eax, [eax - 0x10]
aesdec xmm1, xmm0
test ecx, ecx
jg 0x40e065
cmp byte [edx + 1], 0
movups xmm0, xmmword [edx + 0x18]
aesdeclast xmm1, xmm0
je 0x40e088
pxor xmm1, xmm2
mov eax, edi
movaps xmm2, xmm3
add edi, 0x10
movups xmmword [eax], xmm1
sub esi, 1
jne 0x40e034
pop edi
movups xmmword [edx + 8], xmm2
pop esi
ret 0xc

Function at 0x40e0a1
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x20
push ebp
push edi
mov ebp, ecx
xor edi, edi
inc edi
mov dword [esp + 0x14], ebp
mov dword [esp + 8], edi
cmp dword [ebp + 4], edi
jle 0x40e14f
push ebx
lea ebx, [ebp + 0x28]
push esi
mov dword [esp + 0x14], ebx
lea eax, [ebx + 2]
xor esi, esi
mov dword [esp + 0x18], eax
lea edi, [esp + 0x20]
mov ebp, eax
push 4
add edi, esi
pop ebx
movzx eax, byte [ebp + 1]
movzx ecx, byte [ebp - 1]
mov dl, byte [esi + eax*4 + 0x443d80]
movzx eax, byte [ebp - 2]
xor dl, byte [esi + ecx*4 + 0x443580]
xor dl, byte [esi + eax*4 + 0x443180]
movzx eax, byte [ebp]
lea ebp, [ebp + 4]
xor dl, byte [esi + eax*4 + 0x443980]
mov byte [edi], dl
lea edi, [edi + 4]
sub ebx, 1
jne 0x40e0d9
mov eax, dword [esp + 0x18]
inc esi
cmp esi, 4
jl 0x40e0ce
mov ebx, dword [esp + 0x14]
lea eax, [esp + 0x20]
push 0x10
push eax
push ebx
call fcn.0041e490
mov edi, dword [esp + 0x1c]
add esp, 0xc
mov ebp, dword [esp + 0x1c]
inc edi
add ebx, 0x10
mov dword [esp + 0x10], edi
mov dword [esp + 0x14], ebx
cmp edi, dword [ebp + 4]
jl 0x40e0c5
pop esi
pop ebx
pop edi
pop ebp
add esp, 0x20
ret