joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a56b0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
push ebx
mov ebx, dword [esp + 0x20]
push ebp
mov ebp, dword [esp + 0x14]
push esi
push edi
movzx ecx, word [ebp]
mov eax, ecx
xor ecx, 0x7f0
shr eax, 4
shr ecx, 4
mov eax, dword [ebx + eax*4]
mov edx, dword [ebx + ecx*4]
movzx ecx, word [ebp + 2]
mov dword [esp + 0x2c], eax
mov eax, ecx
shr eax, 4
xor ecx, 0x7f0
shr ecx, 4
mov eax, dword [ebx + eax*4]
add eax, edx
mov dword [esp + 0x10], eax
mov eax, dword [ebx + ecx*4]
mov ecx, dword [esp + 0x24]
add eax, edx
xor esi, esi
mov dword [esp + 0x14], eax
mov dword [esp + 0x1c], esi
lea esp, [esp]
cmp esi, ecx
jae 0x4a5845
mov edx, esi
xor edi, edi
or edx, 8
cmp edx, 1
je 0x4a5756
mov esi, dword [esp + 0x20]
mov ecx, edx
and edx, 1
shr ecx, 1
neg edx
sar edx, 4
and edx, 0x7f
lea eax, [ecx + esi*8]
movzx eax, word [ebp + eax*2 + 4]
shr eax, 4
xor eax, edx
mov edx, ecx
add edi, dword [ebx + eax*4]
cmp edx, 1
jne 0x4a5728
mov esi, dword [esp + 0x1c]
mov ecx, dword [esp + 0x24]
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x2c]
add eax, edi
mov dword [edx + esi*4], eax
inc esi
mov dword [esp + 0x1c], esi
cmp esi, 8
jb 0x4a5710
cmp esi, 0x10
jae 0x4a57e9
lea eax, [esi - 8]
mov dword [esp + 0x2c], eax
lea esp, [esp]
cmp esi, ecx
jae 0x4a5845
mov edx, eax
xor edi, edi
or edx, 8
cmp edx, 1
je 0x4a57c9
mov esi, dword [esp + 0x20]
mov ecx, edx
and edx, 1
shr ecx, 1
neg edx
sar edx, 4
and edx, 0x7f
lea eax, [ecx + esi*8]
movzx eax, word [ebp + eax*2 + 0x104]
shr eax, 4
xor eax, edx
mov edx, ecx
add edi, dword [ebx + eax*4]
cmp edx, 1
jne 0x4a5798
mov esi, dword [esp + 0x1c]
mov ecx, dword [esp + 0x24]
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x10]
add eax, edi
mov dword [edx + esi*4], eax
inc esi
mov eax, dword [esp + 0x2c]
inc eax
mov dword [esp + 0x1c], esi
mov dword [esp + 0x2c], eax
cmp esi, 0x10
jb 0x4a5780
cmp esi, ecx
jae 0x4a5845
lea eax, [esi - 0x10]
mov dword [esp + 0x1c], eax
or eax, 0x100
xor edi, edi
cmp eax, 1
je 0x4a582e
mov edx, eax
and eax, 1
shr edx, 1
neg eax
sar eax, 4
and eax, 0x7f
movzx ecx, word [ebp + edx*2 + 0x204]
shr ecx, 4
xor ecx, eax
mov eax, edx
add edi, dword [ebx + ecx*4]
cmp eax, 1
jne 0x4a5800
mov ecx, dword [esp + 0x24]
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x14]
add eax, edi
mov dword [edx + esi*4], eax
inc esi
mov eax, dword [esp + 0x1c]
inc eax
mov dword [esp + 0x1c], eax
cmp esi, ecx
jb 0x4a57f4
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret

Function at 0x4a59d0
Capabilities:
Encode data using xor

Disassembly:
mov ecx, dword [esp + 8]
push ebx
mov ebx, dword [esp + 0x10]
push ebp
mov ebp, dword [esp + 0xc]
push esi
push edi
xor edi, edi
or ecx, 0x100
mov edx, ecx
mov eax, ecx
shr edx, 7
add ecx, ecx
and edx, 1
shr eax, 8
neg edx
sar edx, 4
and edx, 0x7f
movzx esi, word [ebp + eax*2]
shr esi, 4
xor esi, edx
add edi, dword [ebx + esi*4]
cmp ecx, 0x10000
jb 0x4a59e8
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4a5a20
Capabilities:
Encode data using xor

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
xor ebx, ebx
push esi
mov esi, 0x100
push edi
mov edi, dword [esp + 0x1c]
or ecx, esi
lea esp, [esp]
add edi, edi
mov edx, esi
and edx, edi
mov eax, ecx
add edx, esi
shr eax, 8
add eax, edx
mov edx, dword [esp + 0x14]
movzx edx, word [edx + eax*2]
mov eax, ecx
shr eax, 7
add ecx, ecx
and eax, 1
shr edx, 4
neg eax
sar eax, 4
and eax, 0x7f
xor edx, eax
add ebx, dword [ebp + edx*4]
mov edx, ecx
xor edx, edi
not edx
and esi, edx
cmp ecx, 0x10000
jb 0x4a5a40
pop edi
pop esi
pop ebp
mov eax, ebx
pop ebx
ret

Function at 0x4a8260
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov eax, dword [esp + 4]
xor edx, edx
push esi
mov dword [eax + 0x30], 0
lea esi, [eax + 0x70]
mov dword [eax + 0x4c], 0
mov dword [eax + 0x20], 0
mov dword [eax + 0x2c], 0x20
mov dword [eax + 0x54], 1
mov dword [eax + 0x48], 4
mov dword [eax + 0x58], 0
jmp 0x4a82a0
mov ecx, edx
lea esi, [esi + 4]
and ecx, 1
mov eax, edx
dec ecx
shr eax, 1
not ecx
inc edx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
dec eax
not eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
dec eax
not eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
dec eax
not eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
dec eax
not eax
and eax, 0xedb88320
xor eax, ecx
mov dword [esi - 4], eax
cmp edx, 0x100
jb 0x4a82a0
pop esi
ret
Function at 0x4b2570
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [esp + 0xc]
sub esp, 0x18
cmp eax, 5
jae 0x4b2582
xor eax, eax
add esp, 0x18
ret
mov ecx, dword [esp + 0x1c]
push ebx
mov ebx, dword [esp + 0x24]
push ebp
mov edx, dword [ecx + 0x4d00]
lea ebp, [eax - 4]
push esi
mov esi, dword [ecx + 0x4d04]
mov ecx, dword [ecx + 0x4d08]
push edi
xor edi, edi
mov dword [esp + 0x34], ecx
add ebp, ebx
mov dword [esp + 0x20], ebp
nop
lea eax, [edi + ebx]
mov dword [esp + 0x10], eax
cmp eax, ebp
jae 0x4b25d3
jmp 0x4b25c0
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4b25cf
inc eax
cmp eax, ebp
jb 0x4b25c0
mov dword [esp + 0x10], eax
mov edi, eax
sub edi, ebx
cmp eax, ebp
jae 0x4b26f4
mov ecx, edi
sub ecx, edx
cmp ecx, 3
jbe 0x4b260b
xor esi, esi
mov dword [esp + 0x14], esi
mov cl, byte [eax + 4]
mov edx, edi
mov dword [esp + 0x24], edx
test cl, cl
je 0x4b2647
cmp cl, 0xff
je 0x4b2647
and esi, 3
add esi, esi
or esi, 1
inc edi
jmp 0x4b25b0
dec ecx
shl esi, cl
and esi, 7
mov dword [esp + 0x14], esi
je 0x4b25ee
movzx ecx, byte [esi + 0x5179f0]
mov edx, eax
sub edx, ecx
cmp byte [esi + 0x5179e8], 0
mov cl, byte [edx + 4]
je 0x4b2637
test cl, cl
je 0x4b2637
cmp cl, 0xff
jne 0x4b25ee
and esi, 3
mov edx, edi
add esi, esi
or esi, 1
inc edi
jmp 0x4b25b0
movzx ebx, cl
movzx ecx, byte [eax + 3]
shl ebx, 8
or ebx, ecx
movzx ecx, byte [eax + 2]
shl ebx, 8
or ebx, ecx
movzx ecx, byte [eax + 1]
shl ebx, 8
or ebx, ecx
sub ebx, dword [esp + 0x34]
sub ebx, edi
test esi, esi
je 0x4b26c6
movzx ecx, byte [esi + 0x5179f0]
mov edx, 0x18
mov esi, dword [esp + 0x34]
shl ecx, 3
sub edx, ecx
mov dword [esp + 0x18], ecx
mov dword [esp + 0x1c], edx
mov ebp, ecx
mov eax, edx
mov edx, ebx
mov ecx, eax
shr edx, cl
test dl, dl
je 0x4b269f
cmp dl, 0xff
jne 0x4b26b6
mov ecx, 0x20
mov edx, 1
sub ecx, ebp
shl edx, cl
dec edx
xor ebx, edx
sub ebx, esi
sub ebx, edi
jmp 0x4b2690
mov eax, dword [esp + 0x10]
mov esi, dword [esp + 0x14]
mov ebp, dword [esp + 0x20]
mov edx, dword [esp + 0x24]
mov ecx, ebx
mov byte [eax + 1], bl
shr ecx, 0x18
and cl, 1
dec cl
not cl
mov byte [eax + 4], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 3], cl
mov ecx, ebx
mov ebx, dword [esp + 0x30]
shr ecx, 8
add edi, 5
mov byte [eax + 2], cl
jmp 0x4b25b0
mov eax, dword [esp + 0x2c]
add dword [eax + 0x4d08], edi
mov dword [eax + 0x4d04], esi
mov dword [eax + 0x4d00], edx
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x18
ret

Function at 0x4b6fc0
Capabilities:
Terminate process

Disassembly:
mov edx, dword [str.Fatal_Internal_Error_in_libarchive:]
mov ecx, edx
push esi
lea esi, [ecx + 1]
lea esp, [esp]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b6fd0
sub ecx, esi
push ecx
push edx
push 2
call fcn.004bed90
mov edx, dword [esp + 0x18]
add esp, 0xc
mov ecx, edx
lea esi, [ecx + 1]
mov edi, edi
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b6ff0
sub ecx, esi
push ecx
push edx
push 2
call fcn.004bed90
push 1
push 0x518968
push 2
call fcn.004bed90
add esp, 0x18
push dword [esp + 8]
call dword [sym.imp.MSVCRT.dll_exit]
pop esi
int3
Function at 0x4b78a0
Capabilities:
Terminate process

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
push esi
mov esi, dword [esp + 0x10]
mov eax, dword [ebx + 0x30]
push edi
mov dword [esi + 0x30], eax
mov dword [esi + 4], 0
mov edi, dword [ebx + 4]
mov eax, dword [ebx]
mov dword [esp + 0x18], eax
lea eax, [edi + 1]
push eax
push esi
call fcn.004b86a0
mov ebp, dword [sym.imp.MSVCRT.dll_memmove]
add esp, 8
test eax, eax
je 0x4b78f7
mov eax, dword [esi + 4]
add eax, dword [esi]
push edi
push dword [esp + 0x1c]
push eax
call ebp
mov eax, dword [esi]
add esp, 0xc
add dword [esi + 4], edi
mov ecx, dword [esi + 4]
mov byte [ecx + eax], 0
jmp 0x4b7906
push str.Out_of_memory
push 1
call fcn.004b6fc0
add esp, 8
mov dword [esi + 0x10], 0
lea edi, [esi + 0xc]
mov eax, dword [ebx + 0xc]
mov ecx, dword [ebx + 0x10]
mov dword [esp + 0x14], eax
mov eax, dword [edi + 4]
inc eax
mov dword [esp + 0x18], ecx
add eax, ecx
push eax
push edi
call fcn.004b86a0
add esp, 8
test eax, eax
je 0x4b7957
push dword [esp + 0x18]
mov eax, dword [edi]
push dword [esp + 0x18]
add eax, dword [edi + 4]
push eax
call ebp
mov eax, dword [esp + 0x24]
add esp, 0xc
add dword [edi + 4], eax
mov ecx, dword [edi + 4]
mov eax, dword [edi]
mov byte [ecx + eax], 0
jmp 0x4b7966
push str.Out_of_memory
push 1
call fcn.004b6fc0
add esp, 8
mov dword [esi + 0x1c], 0
add esi, 0x18
mov edi, dword [ebx + 0x1c]
mov ebx, dword [ebx + 0x18]
mov eax, dword [esi + 4]
inc eax
add eax, edi
add eax, eax
push eax
push esi
call fcn.004b86a0
add esp, 8
test eax, eax
je 0x4b79b2
mov ecx, dword [esi + 4]
lea eax, [edi + edi]
push eax
mov eax, dword [esi]
push ebx
lea eax, [eax + ecx*2]
push eax
call ebp
add dword [esi + 4], edi
add esp, 0xc
mov ecx, dword [esi + 4]
xor edx, edx
mov eax, dword [esi]
pop edi
pop esi
pop ebp
mov word [eax + ecx*2], dx
pop ebx
ret
pop edi
pop esi
pop ebp
pop ebx
mov dword [esp + 8], str.Out_of_memory
mov dword [esp + 4], 1
jmp fcn.004b6fc0
Function at 0x4be8c0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov eax, dword [esp + 8]
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_GetLastError]
push ebp
mov ebp, dword [esp + 0xc]
push esi
xor esi, esi
push edi
mov edi, dword [sym.imp.MSVCRT.dll__errno]
test eax, 0xffff7fff
jne 0x4be9a4
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4be93d
call ebx
cmp eax, 3
jne 0x4be923
push ebp
call fcn.004beb60
mov esi, eax
add esp, 4
test esi, esi
jne 0x4be917
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x16
or eax, 0xffffffff
pop ebx
ret
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4be93d
call ebx
push eax
call fcn.004be7f0
push esi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 8
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x4be998
push 0
push 0x2000001
push 3
push 0
push 0
push 0
test esi, esi
je 0x4be95d
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
jmp 0x4be964
push ebp
call dword [sym.imp.KERNEL32.dll_CreateFileA]
push esi
mov edi, eax
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
cmp edi, 0xffffffff
jne 0x4be987
call ebx
push eax
call fcn.004be7f0
add esp, 4
or eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push 0
push edi
call dword [sym.imp.MSVCRT.dll__open_osfhandle]
add esp, 8
pop edi
pop esi
pop ebp
pop ebx
ret
test esi, esi
jne 0x4bea3b
mov eax, dword [esp + 0x18]
push dword [esp + 0x1c]
push eax
push ebp
call dword [sym.imp.MSVCRT.dll__open]
mov esi, eax
add esp, 0xc
test esi, esi
jns 0x4beac9
call edi
cmp dword [eax], 0xd
jne 0x4bea11
test dword [esp + 0x18], 0x100
je 0x4bea11
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4be9ed
call ebx
push eax
call fcn.004be7f0
add esp, 4
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x4bea01
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x15
or eax, 0xffffffff
pop ebx
ret
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0xd
or eax, 0xffffffff
pop ebx
ret
call edi
cmp dword [eax], 2
jne 0x4beac9
push ebp
call fcn.004beb60
mov esi, eax
add esp, 4
test esi, esi
jne 0x4bea3b
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x16
or eax, 0xffffffff
pop ebx
ret
push dword [esp + 0x1c]
mov ebp, dword [esp + 0x1c]
push ebp
push esi
call dword [sym.imp.MSVCRT.dll__wopen]
add esp, 0xc
mov dword [esp + 0x18], eax
test eax, eax
jns 0x4beab6
call edi
cmp dword [eax], 0xd
jne 0x4beab6
test ebp, 0x100
je 0x4beab6
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4bea8f
call ebx
push eax
call fcn.004be7f0
add esp, 4
push esi
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x4beaae
call edi
push esi
mov dword [eax], 0x15
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
call edi
mov dword [eax], 0xd
push esi
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
ret
Function at 0x4bead0
Capabilities:
Read file on windows

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
jns 0x4beae8
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
cmp dword [esp + 0xc], 0
jne 0x4beaf2
xor eax, eax
ret
push eax
call dword [sym.imp.MSVCRT.dll__get_osfhandle]
add esp, 4
lea ecx, [esp + 4]
push 0
push ecx
push dword [esp + 0x14]
push dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4beb5a
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xe8
jne 0x4beb33
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 0xb
or eax, 0xffffffff
ret
cmp eax, 0x6d
je 0x4beaef
cmp eax, 5
jne 0x4beb4d
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push eax
call fcn.004be7f0
add esp, 4
or eax, 0xffffffff
ret
mov eax, dword [esp + 4]
ret

Function at 0x4bed90
Capabilities:
Write file on windows

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
jns 0x4beda8
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push 0
lea ecx, [esp + 8]
push ecx
push dword [esp + 0x14]
push dword [esp + 0x14]
push eax
call dword [sym.imp.MSVCRT.dll__get_osfhandle]
add esp, 4
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4bedf4
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x4bede7
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push eax
call fcn.004be7f0
add esp, 4
or eax, 0xffffffff
ret
mov eax, dword [esp + 4]
ret

Function at 0x4cb950
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [eax + 0x38]
mov bl, byte [eax + 0x34]
test esi, esi
jle 0x4cb98b
mov edx, dword [eax + 0x260]
push edi
movzx edi, bl
lea ebx, [ebx]
mov ecx, edx
shl edx, 8
shr ecx, 0x18
xor ecx, edi
xor edx, dword [ecx*4 + 0x1df33d0]
mov dword [eax + 0x260], edx
dec esi
jne 0x4cb970
pop edi
mov ecx, dword [eax + 0x34]
mov byte [eax + ecx + 0x58], 1
mov edx, dword [eax + 0x38]
mov ecx, edx
dec ecx
je 0x4cba12
dec ecx
je 0x4cb9f7
dec ecx
je 0x4cb9eb
mov byte [edx + eax + 0x54], 1
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov esi, dword [eax + 0x44]
mov dl, byte [eax + 0x38]
mov ecx, dword [eax + 0x24]
sub dl, 4
mov byte [esi + ecx], dl
inc dword [eax + 0x44]
pop esi
pop ebx
ret
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
pop esi
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
pop ebx
ret
mov ecx, dword [eax + 0x44]
mov edx, dword [eax + 0x24]
pop esi
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
pop ebx
ret
Function at 0x4db530
Capabilities:
Terminate process

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4db550
mov ecx, dword [eax + 0x40]
test ecx, ecx
je 0x4db550
mov eax, dword [eax + 0x44]
test eax, eax
je 0x4db550
push dword [esp + 8]
push eax
call ecx
add esp, 8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x4ec0f9
Capabilities:
Allocate thread local storage
Get thread local storage value
Set thread local storage value

Disassembly:
cmp dword [0x1e7011c], 0
push ebx
push esi
mov esi, 0x1e70124
jne 0x4ec125
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
push esi
mov dword [0x1e7013c], eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov dword [0x1e7011c], 1
push dword [0x1e7013c]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov ebx, eax
test ebx, ebx
jne 0x4ec1c2
push 0x14
push 8
push dword [0x1df67e0]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ebx, eax
test ebx, ebx
je 0x4ec1ec
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x1e70120]
test eax, eax
je 0x4ec167
mov dword [eax], ebx
push edi
push esi
mov dword [ebx + 4], eax
mov dword [0x1e70120], ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea edi, [ebx + 0x10]
push 0
push 0
push 0x100000
push edi
call esi
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call esi
push eax
call dword [sym.imp.KERNEL32.dll_DuplicateHandle]
push 8
push 0xffffffffffffffff
push ebx
push 0x4ec1f1
push dword [edi]
lea eax, [ebx + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_RegisterWaitForSingleObject]
push ebx
push dword [0x1e7013c]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
pop edi
push 0xc
push 0
push dword [0x1df67e0]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
test eax, eax
je 0x4ec1ec
mov ecx, dword [esp + 0xc]
mov dword [eax + 4], ecx
mov ecx, dword [esp + 0x10]
mov dword [eax + 8], ecx
mov ecx, dword [ebx + 8]
mov dword [eax], ecx
mov dword [ebx + 8], eax
pop esi
pop ebx
ret 8

Function at 0x4ec869
Capabilities:
Set thread local storage value

Disassembly:
push esi
push 0x184
push 8
push dword [0x1df67e0]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
push esi
push dword [0x1e7058c]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
push dword [esp + 8]
mov dword [0x1e70590], esi
and dword [esi + 0xa8], 0
or dword [esi + 0xac], 0xffffffff
or dword [esi + 0xb0], 0xffffffff
push esi
mov dword [esi + 0xa4], 0xffffff
mov dword [esi + 0x74], 2
mov dword [esi + 0x78], 0x3f
call fcn.004ef442
mov dword [esi + 0x58], 0x4ed47c
mov eax, esi
mov dword [esi + 0x5c], 0x4ed4c8
mov dword [esi + 0x10], fcn.004ed01d
mov dword [esi + 0x30], 0x4ecf0f
mov dword [esi + 0x64], 0x4ed552
mov dword [esi + 0x60], 0x4ed50a
mov dword [esi + 0x34], 0x4ecbbf
mov dword [esi + 0x24], 0x4ecb96
mov dword [esi + 0x28], 0x4ecb6b
mov dword [esi + 0x2c], 0x4ecabd
mov dword [esi + 0x44], 0x4ed282
pop esi
ret 4
Function at 0x4f26e6
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
mov edx, dword [esp + 0x2c]
push esi
mov esi, dword [esp + 0x10]
mov eax, dword [esi + 0xd4]
mov dword [esp + 4], eax
test edx, edx
je 0x4f279c
imul eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x18]
imul ecx, dword [esp + 0x28]
push ebx
mov ebx, dword [esp + 0x24]
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x1c]
neg eax
add ecx, dword [esp + 0x18]
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0x28]
push ebp
push edi
lea edi, [ecx + eax*4]
mov eax, dword [esp + 0x28]
mov ecx, dword [esi + 0xcc]
mov ebp, edi
imul ecx, ebx
add ecx, dword [esi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x4f277c
mov edx, dword [esp + 0x38]
mov esi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 4]
xor byte [ecx], al
add ecx, esi
dec edx
jne 0x4f2757
mov edx, dword [esp + 0x3c]
mov esi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec edx
inc ebx
cmp dword [esi + 0xe8], 0
mov dword [esp + 0x3c], edx
jne 0x4f2791
add edi, dword [esp + 0x14]
jmp 0x4f2795
add edi, dword [esp + 0x24]
test edx, edx
jne 0x4f2735
pop edi
pop ebp
pop ebx
pop esi
pop ecx
pop ecx
ret 0x24

Function at 0x4f2aa7
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
push ecx
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x30]
mov dword [esp + 8], edx
test ebx, ebx
je 0x4f2b81
imul eax, dword [esp + 0x1c], 3
mov ecx, dword [esp + 0x18]
push ebp
mov ebp, dword [esp + 0x24]
neg ecx
push esi
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x20]
imul eax, dword [esp + 0x30]
push edi
imul edi, dword [esp + 0x30], 3
mov dword [esp + 0x10], ecx
add eax, dword [esp + 0x20]
add edi, eax
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x38], edi
mov esi, dword [eax + 0xcc]
imul esi, ebp
mov dword [esp + 0x34], edi
add esi, dword [eax + 0xc8]
add esi, dword [esp + 0x28]
test edx, edx
jle 0x4f2b57
mov ebp, dword [esp + 0x34]
mov ebx, 0xff
sub ebx, dword [esp + 0x40]
mov edi, edx
movzx eax, byte [esi]
movzx ecx, byte [ebp]
imul ecx, dword [esp + 0x40]
imul eax, ebx
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
inc ebp
mov byte [esi], al
inc esi
dec edi
jne 0x4f2b1f
mov edi, dword [esp + 0x38]
mov ebx, dword [esp + 0x3c]
mov ebp, dword [esp + 0x2c]
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
dec ebx
inc ebp
cmp dword [eax + 0xe8], 0
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x2c], ebp
jne 0x4f2b6e
add edi, ecx
jmp 0x4f2b72
add edi, dword [esp + 0x24]
mov dword [esp + 0x38], edi
test ebx, ebx
jne 0x4f2af5
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0x28
Function at 0x4f31a1
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
push esi
mov esi, dword [esp + 0x30]
push edi
mov edi, dword [esp + 0x14]
mov eax, dword [edi + 0xd4]
mov dword [esp + 8], eax
test esi, esi
je 0x4f3256
imul eax, dword [esp + 0x20]
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x28]
push ebp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x24]
neg eax
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x24]
imul eax, dword [esp + 0x34]
add eax, dword [esp + 0x20]
add edx, eax
mov eax, dword [esp + 0x28]
mov ecx, dword [edi + 0xcc]
mov ebp, edx
imul ecx, ebx
add ecx, dword [edi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x4f3237
mov esi, dword [esp + 0x38]
mov edi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 3]
xor byte [ecx], al
add ecx, edi
dec esi
jne 0x4f3212
mov esi, dword [esp + 0x3c]
mov edi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec esi
inc ebx
cmp dword [edi + 0xe8], 0
mov dword [esp + 0x3c], esi
jne 0x4f324c
add edx, dword [esp + 0x14]
jmp 0x4f3250
add edx, dword [esp + 0x24]
test esi, esi
jne 0x4f31f0
pop ebp
pop ebx
pop edi
pop esi
pop ecx
pop ecx
ret 0x24