joyce8/EMBER2024-capa huggingface dataset:
Function at 0x48bf30
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x533dd0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov dword [ebp - 0x10], ecx
mov dword [ecx], 0
mov byte [ecx + 4], 0
mov dword [ecx + 8], 0
mov dword [ecx + 0xc], 0
mov dword [ecx + 0x10], 0
mov dword [ebp - 4], 0
mov dword [ecx + 0x14], 0
mov dword [ecx + 0x18], 0
mov byte [ecx + 0x1c], 0
mov dword [ecx + 0x20], 0
mov dword [ecx + 0x24], 0
mov byte [ecx + 0x28], 0
mov dword [ecx + 0x2c], 0
mov dword [ecx + 0x30], 0
mov byte [ecx + 0x34], 0
mov dword [ebp - 4], 0xffffffff
mov eax, ecx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
mov esp, ebp
pop ebp
ret

Function at 0x48cbe0
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x533ecd
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push ebx
push esi
mov eax, ecx
push edi
mov dword [ebp - 0x10], eax
call fcn.0048e200
mov dword [ebp - 4], 0
mov eax, dword [ebp - 0x10]
lea ecx, [eax + 0x18]
lea edx, [eax + 0x24]
lea esi, [eax + 8]
mov dword [eax + 0x2c], edx
lea ebx, [eax + 4]
mov dword [eax + 0xc], ebx
lea edi, [eax + 0x14]
mov dword [eax], vtable.std::basic_filebuf_char__struct_std::char_traits_char__.0
mov byte [eax + 0x48], 0
mov byte [eax + 0x3d], 0
mov dword [eax + 0x10], esi
mov dword [eax + 0x1c], edi
mov dword [eax + 0x20], ecx
add eax, 0x28
mov dword [ebp - 0x14], ebx
mov ebx, dword [ebp - 0x10]
mov dword [ebx + 0x30], eax
mov ebx, dword [ebp - 0x14]
mov dword [esi], 0
mov dword [ecx], 0
mov dword [eax], 0
mov dword [ebx], 0
mov dword [edi], 0
mov dword [edx], 0
mov edx, dword [ebp - 0x10]
mov dword [edx + 0x4c], 0
mov eax, dword [0x571520]
mov ecx, dword [0x571524]
mov dword [edx + 0x40], eax
mov dword [edx + 0x44], ecx
mov dword [edx + 0x38], 0
mov dword [ebp - 4], 0xffffffff
mov eax, edx
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
mov esp, ebp
pop ebp
ret
Function at 0x48cd60
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x533efe
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
mov dword [ebp - 0x10], 0
push ebx
mov ebx, ecx
push esi
push edi
push 0
mov eax, dword [ebx]
push 0
mov dword [ebp - 0x14], ebx
mov eax, dword [eax + 4]
mov dword [ebx + eax], vtable.std::basic_istream_char__struct_std::char_traits_char__.0
mov eax, dword [ebx]
mov edx, dword [eax + 4]
lea eax, [edx - 0x18]
mov dword [edx + ebx - 4], eax
mov eax, dword [ebx]
mov dword [ebx + 8], 0
mov dword [ebx + 0xc], 0
mov edi, dword [eax + 4]
add edi, ebx
mov ecx, edi
mov dword [edi + 0x30], 0
mov dword [edi + 8], 0
mov dword [edi + 0x10], 0
mov dword [edi + 0x14], 0x201
mov dword [edi + 0x18], 6
mov dword [edi + 0x1c], 0
mov dword [edi + 0x20], 0
mov dword [edi + 0x24], 0
mov dword [edi + 0x28], 0
mov dword [edi + 0x2c], 0
call fcn.0040d290
push 8
call fcn.004e6790
push 1
mov esi, eax
call fcn.004e559e
mov dword [esi + 4], eax
add esp, 8
mov eax, dword [ebp + 8]
mov dword [edi + 0x30], esi
mov dword [edi + 0x38], eax
mov dword [edi + 0x3c], 0
mov dword [ebp - 4], 2
mov eax, dword [edi + 0x30]
mov esi, dword [eax + 4]
mov ecx, esi
mov dword [ebp - 0x18], esi
mov eax, dword [esi]
call dword [eax + 4]
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x10], 2
push eax
call fcn.0048e560
add esp, 4
mov ecx, dword [eax]
push 0x20
mov edx, dword [ecx + 0x20]
mov ecx, eax
call edx
mov edx, 2
mov byte [ebp + 0xb], al
mov dword [ebp - 0x10], edx
and edx, 0xfffffffd
mov dword [ebp - 0x10], edx
mov byte [ebp - 4], 1
mov ecx, esi
mov edx, dword [esi]
call dword [edx + 8]
test eax, eax
je 0x48ce8d
mov ecx, dword [eax]
push 1
mov edx, dword [ecx]
mov ecx, eax
call edx
cmp dword [edi + 0x38], 0
mov al, byte [ebp + 0xb]
mov byte [edi + 0x40], al
jne 0x48cea9
mov eax, dword [edi + 0xc]
mov ecx, edi
push 0
or eax, 4
push eax
call fcn.0040d290
mov dword [ebp - 4], 0xffffffff
mov eax, ebx
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x49d7f0
Capabilities:
Get process heap flags

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x535fab
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0xc
push esi
mov esi, dword [ebp + 8]
push edi
mov edi, edx
push esi
mov ecx, edi
mov dword [ebp - 0x10], edi
mov dword [ebp - 0x14], edi
call fcn.0048ac50
mov dword [ebp - 4], 2
lea eax, [esi + 0x18]
lea ecx, [edi + 0x18]
push eax
mov dword [ebp + 8], ecx
call fcn.0048ac50
mov dword [ebp - 4], 5
lea eax, [esi + 0x30]
lea ecx, [edi + 0x30]
push eax
mov dword [ebp - 0x18], ecx
call fcn.0048ac50
mov dword [ebp - 4], 0xffffffff
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
mov esp, ebp
pop ebp
ret
Function at 0x4a8990
Capabilities:
Reference http user-agent string

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 8
push esi
push edi
lea eax, [esp + 8]
mov dword [esp + 8], 0
mov edi, edx
mov dword [esp + 0xc], 0
push eax
lea edx, [esp + 0x10]
mov esi, ecx
call fcn.004a8880
add esp, 4
test eax, eax
je 0x4a89cc
xor al, al
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov edx, dword [esp + 0xc]
mov ecx, esi
push 0x7530
push str.Mozilla_5.0__Windows_NT_10.0__Win64__x64__AppleWebKit_537.36__KHTML__like_Gecko__Chrome_117.0.0.0_Safari_537.36_Edg_117.0.2045.36
push edi
push dword [ebp + 8]
push dword [esp + 0x18]
call fcn.004a86a0
mov ecx, dword [esp + 0x20]
add esp, 0x14
mov esi, eax
call fcn.004a8970
test esi, esi
pop edi
sete al
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4a8e70
Capabilities:
Hash data with md5

Disassembly:
mov dword [ecx], 0x67452301
mov dword [ecx + 4], 0xefcdab89
mov dword [ecx + 8], 0x98badcfe
mov dword [ecx + 0xc], 0x10325476
mov dword [ecx + 0x10], 0
mov dword [ecx + 0x14], 0
mov dword [ecx + 0x18], 0
mov byte [ecx + 0x9c], 0
ret

Function at 0x4a99b0
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004a9730

Function at 0x4a99e0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004a99c0
Function at 0x4afca0
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebp
mov ebp, esp
push ebx
mov ebx, ecx
push edi
mov edi, edx
mov ecx, dword [ebx]
mov eax, ecx
xor eax, dword [ebp + 8]
mov edx, dword [ebx + 8]
movzx eax, al
shr ecx, 8
xor ecx, dword [edi + eax*4]
movzx eax, cl
add eax, dword [ebx + 4]
mov dword [ebx], ecx
imul ecx, eax, 0x8088405
mov eax, dword [ebp + 8]
inc ecx
mov dword [ebx + 4], ecx
shr ecx, 0x18
xor ecx, edx
shr edx, 8
movzx ecx, cl
xor edx, dword [edi + ecx*4]
pop edi
mov dword [ebx + 8], edx
pop ebx
pop ebp
ret

Function at 0x4b1260
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
cmp dword [esi + 0x100ac], ebx
je 0x4b12c6
cmp dword [esi + 0x7c], ebx
jbe 0x4b12c6
mov ecx, 0xffffff5c
lea eax, [esi + 0x100d0]
sub ecx, esi
lea edi, [esi + 0xa4]
mov dword [ebp - 4], ecx
nop
mov ecx, eax
call fcn.004afc80
movzx ecx, byte [edi]
mov ebx, eax
mov edx, dword [esi + 0x100dc]
push ecx
lea ecx, [esi + 0x100d0]
call fcn.004afca0
xor byte [edi], bl
add esp, 4
mov eax, dword [ebp - 4]
inc edi
add eax, edi
cmp eax, dword [esi + 0x7c]
lea eax, [esi + 0x100d0]
jb 0x4b1290
xor ebx, ebx
mov edi, dword [esi + 0x7c]
lea eax, [esi + 0xa4]
push edi
push eax
push dword [esi + 0x2c]
mov eax, dword [esi + 8]
push dword [esi + 0x1c]
call eax
add esp, 0x10
mov dword [esi + 0x7c], 0
or ecx, 0xffffffff
cmp eax, edi
cmovne ebx, ecx
add dword [esi + 0x100c0], edi
mov ecx, dword [esi + 0x48]
mov eax, ebx
adc dword [esi + 0x100c4], 0
add dword [esi + 0x100c8], ecx
pop edi
adc dword [esi + 0x100cc], 0
mov dword [esi + 0x48], 0
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4b5940
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov edi, edx
xor esi, esi
mov ebx, ecx
test edi, edi
jle 0x4b596d
nop dword [eax]
movzx eax, byte [ebx]
lea ecx, [esi*8]
dec edi
lea ebx, [ebx + 1]
movzx edx, byte [eax + 0x551720]
xor edx, ecx
xor esi, edx
test edi, edi
jg 0x4b5950
pop edi
mov eax, esi
pop esi
pop ebx
ret

Function at 0x4b65d0
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [0x570fb4]
sub esp, 0x31c
push ebx
push esi
push edi
mov edi, edx
test eax, eax
je 0x4b6603
push eax
push 0x555540
lea eax, [ebp - 0x110]
push eax
push 0xe6
call fcn.004b41c0
add esp, 0x10
jmp 0x4b6672
call fcn.004b5ce0
test eax, eax
je 0x4b662b
lea eax, [ebp - 0x318]
push eax
push 0xe6
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ecx, [ebp - 0x318]
call fcn.004b5da0
jmp 0x4b6648
lea eax, [ebp - 0x218]
push eax
push 0xe6
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
lea ecx, [ebp - 0x218]
call fcn.004b5ef0
mov esi, eax
test esi, esi
je 0x4b6754
push esi
push 0x555540
lea eax, [ebp - 0x110]
push eax
push 0xe6
call fcn.004b41c0
push esi
call fcn.0050af27
add esp, 0x14
lea ecx, [ebp - 0x110]
call fcn.004b4940
test eax, eax
je 0x4b6690
cmp byte [ebp + eax - 0x111], 0x5c
jne 0x4b6690
sub eax, 1
jne 0x4b6681
mov byte [ebp + eax - 0x110], 0
lea eax, [ebp - 0x110]
push eax
push str._setilqs_
push edi
push 0xe7
call fcn.004b41c0
add esp, 0x10
mov ecx, edi
call fcn.004b4940
mov ebx, eax
mov ecx, 0x14
lea esi, [ebx + edi]
mov edx, esi
call fcn.004b4310
add esi, 2
mov dword [ebp - 4], 0x3e
mov ecx, 4
nop dword [eax]
movzx eax, byte [esi - 2]
lea esi, [esi + 5]
xor edx, edx
div dword [ebp - 4]
movzx eax, byte [edx + str.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]
xor edx, edx
mov byte [esi - 7], al
movzx eax, byte [esi - 6]
div dword [ebp - 4]
movzx eax, byte [edx + str.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]
xor edx, edx
mov byte [esi - 6], al
movzx eax, byte [esi - 5]
div dword [ebp - 4]
movzx eax, byte [edx + str.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]
xor edx, edx
mov byte [esi - 5], al
movzx eax, byte [esi - 4]
div dword [ebp - 4]
movzx eax, byte [edx + str.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]
xor edx, edx
mov byte [esi - 4], al
movzx eax, byte [esi - 3]
div dword [ebp - 4]
movzx eax, byte [edx + str.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]
mov byte [esi - 3], al
sub ecx, 1
jne 0x4b66e0
mov byte [ebx + edi + 0x14], cl
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov eax, 7
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4b6bb0
Capabilities:
Get disk size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x110
push esi
push edi
lea eax, [ebp - 0x110]
mov dword [ebp - 8], 0x200
push eax
push 0x104
push edx
push ecx
call fcn.004b6ad0
add esp, 0x10
test eax, eax
jne 0x4b6c86
lea ecx, [ebp - 0x110]
call fcn.004b65b0
mov esi, eax
test esi, esi
je 0x4b6c7b
call fcn.004b5ce0
mov ecx, esi
test eax, eax
je 0x4b6c41
movzx eax, word [esi]
test ax, ax
je 0x4b6c2b
mov edx, eax
nop word [eax + eax]
cmp dx, 0x5c
je 0x4b6c26
movzx eax, word [ecx + 2]
add ecx, 2
mov edx, eax
test ax, ax
jne 0x4b6c10
jmp 0x4b6c2b
xor eax, eax
mov word [ecx], ax
lea eax, [ebp - 4]
push eax
push eax
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 4]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceW]
jmp 0x4b6c6c
mov al, byte [esi]
test al, al
je 0x4b6c58
cmp al, 0x5c
je 0x4b6c55
mov al, byte [ecx + 1]
inc ecx
test al, al
jne 0x4b6c47
jmp 0x4b6c58
mov byte [ecx], 0
lea eax, [ebp - 4]
push eax
push eax
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 4]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceA]
push esi
mov edi, eax
call fcn.0050af27
add esp, 4
test edi, edi
jne 0x4b6c86
mov eax, 0x200
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 8]
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4ca7e0
Capabilities:
Enumerate pe sections

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push ecx
push ebx
mov ebx, edx
mov eax, ecx
mov dword [esp + 4], eax
push esi
push edi
test ebx, ebx
je 0x4ca903
mov edx, 0x44
call fcn.004b2d90
mov edi, eax
test edi, edi
je 0x4ca903
mov esi, dword [ebp + 8]
mov edx, dword [ebx]
mov ecx, dword [esp + 0xc]
push esi
call fcn.004ca500
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi], eax
mov edx, dword [ebx + 8]
push esi
call fcn.004ca5f0
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi + 8], eax
mov edx, dword [ebx + 0xc]
push esi
call fcn.004ca4e0
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi + 0xc], eax
mov edx, dword [ebx + 0x10]
push esi
call fcn.004ca500
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi + 0x10], eax
mov edx, dword [ebx + 0x14]
push esi
call fcn.004ca4e0
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi + 0x14], eax
mov edx, dword [ebx + 0x18]
push esi
call fcn.004ca500
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi + 0x18], eax
mov al, byte [ebx + 4]
mov byte [edi + 4], al
mov edx, dword [ebx + 0x1c]
push esi
call fcn.004ca7e0
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi + 0x1c], eax
mov edx, dword [ebx + 0x28]
push esi
call fcn.004ca4e0
mov ecx, dword [esp + 0x10]
add esp, 4
mov dword [edi + 0x28], eax
mov edx, dword [ebx + 0x2c]
push esi
call fcn.004ca4e0
mov dword [edi + 0x2c], eax
mov ecx, 0xfff7
mov dword [edi + 0x30], 0
add esp, 4
mov dword [edi + 0x34], 0
mov ax, word [ebx + 6]
and ax, cx
mov dword [edi + 0x24], 0
mov word [edi + 6], ax
mov eax, edi
mov dword [edi + 0x38], 0xffffffff
mov dword [edi + 0x3c], 0xffffffff
mov dword [edi + 0x40], 0xffffffff
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4e5164
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push 2
lea eax, [ebp - 4]
push eax
push 0x20000001
push str._x_sys_default_locale
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoEx]
mov esi, dword [ebp + 0xc]
neg eax
sbb eax, eax
xor ecx, ecx
and eax, dword [ebp - 4]
push ecx
push ecx
push esi
push eax
push dword [ebp + 8]
mov dword [ebp - 4], eax
push ecx
push 0x1300
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
push eax
push dword [esi]
call fcn.004e5140
pop esi
leave
ret 8

Function at 0x4e7315
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x4e7354
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x4e7354
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x4e7354
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x4e7354
cmp dword [ecx + 0x74], 0xe
jbe 0x4e7354
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x4e7af0
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
lea eax, [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov eax, dword [ebp - 0x20]
mov dword [0x56e070], eax
cmp eax, 0x10
jb 0x4e7b12
cmp eax, 4
jae 0x4e7b17
call fcn.004e78e0
push 0x10
push 0x570760
call fcn.004e7900
add esp, 8
xor eax, eax
mov esp, ebp
pop ebp
ret

Function at 0x4e7c30
Capabilities:
Generate random numbers via rtlgenrandom

Disassembly:
push ebp
mov ebp, esp
call fcn.004e7c80
push dword [ebp + 0xc]
push dword [ebp + 8]
call sub.ADVAPI32.dll_SystemFunction036
test al, al
jne 0x4e7c4d
pop ebp
jmp fcn.004e78e0
pop ebp
ret
Function at 0x4eb200
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0xc]
mov eax, dword [ebp + 8]
push esi
lea ecx, [edx + 0x3f8]
lea esi, [eax + 0x3f8]
cmp eax, ecx
ja 0x4eb23d
cmp esi, edx
jb 0x4eb23d
sub edx, eax
mov esi, 0x80
mov ecx, dword [eax + edx]
lea eax, [eax + 8]
xor dword [eax - 8], ecx
mov ecx, dword [eax + edx - 4]
xor dword [eax - 4], ecx
sub esi, 1
jne 0x4eb225
pop esi
pop ebp
ret
lea esi, [edx + 0x30]
sub edx, eax
lea ecx, [eax + 0x10]
mov eax, 0x10
nop word [eax + eax]
lea ecx, [ecx + 0x40]
lea esi, [esi + 0x40]
movups xmm0, xmmword [ecx - 0x50]
movups xmm1, xmmword [esi - 0x70]
pxor xmm1, xmm0
movups xmmword [ecx - 0x50], xmm1
movups xmm0, xmmword [ecx - 0x40]
movups xmm1, xmmword [edx + ecx - 0x40]
pxor xmm1, xmm0
movups xmmword [ecx - 0x40], xmm1
movups xmm0, xmmword [ecx - 0x30]
movups xmm1, xmmword [esi - 0x50]
pxor xmm1, xmm0
movups xmmword [ecx - 0x30], xmm1
movups xmm0, xmmword [ecx - 0x20]
movups xmm1, xmmword [esi - 0x40]
pxor xmm1, xmm0
movups xmmword [ecx - 0x20], xmm1
sub eax, 1
jne 0x4eb250
pop esi
pop ebp
ret
Function at 0x4ede80
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x56e048]
xor eax, ebp
mov dword [ebp - 4], eax
xor edx, edx
xor eax, eax
mov cl, dl
mov dword [ebp - 0xc], edx
mov byte [ebp - 0x10], cl
mov cl, byte [ebp - 9]
mov byte [ebp - 0xf], cl
mov cl, byte [ebp - 0xa]
push ebx
mov byte [ebp - 0xe], cl
mov bl, dl
mov cl, byte [ebp - 0xb]
push esi
mov esi, dword [ebp + 8]
mov word [ebp - 8], dx
mov ch, byte [ebp - 7]
mov byte [ebp - 0xd], cl
nop dword [eax]
mov cl, byte [esi + eax]
mov bh, byte [eax + 0x539b70]
xor bh, cl
or bh, bl
mov bl, byte [eax + 0x539b90]
xor bl, cl
mov byte [ebp - 0x11], bh
or bl, byte [ebp - 0xd]
mov byte [ebp - 0x17], bl
mov byte [ebp - 0xd], bl
mov bl, byte [eax + 0x539bb0]
xor bl, cl
or bl, byte [ebp - 0xe]
mov byte [ebp - 0x16], bl
mov byte [ebp - 0xe], bl
mov bl, byte [eax + 0x539bd0]
xor bl, cl
or bl, byte [ebp - 0xf]
mov byte [ebp - 0x15], bl
mov byte [ebp - 0xf], bl
mov bl, byte [eax + 0x539bf0]
xor bl, cl
or bl, byte [ebp - 0x10]
mov byte [ebp - 0x14], bl
mov byte [ebp - 0x10], bl
mov bl, byte [eax + 0x539c10]
xor bl, cl
or bl, ch
mov byte [ebp - 0x13], bl
mov ch, bl
mov bl, byte [eax + 0x539c30]
inc eax
xor bl, cl
or bl, dl
mov byte [ebp - 0x12], bl
mov dl, bl
mov bl, bh
cmp eax, 0x1f
jb 0x4edec0
mov bl, byte [eax + esi]
movzx esi, byte [eax + 0x539c30]
and bl, 0x7f
movzx ecx, bl
xor esi, ecx
movzx ecx, dl
movzx edx, byte [eax + 0x539c10]
or esi, ecx
movzx ecx, bl
dec esi
xor edx, ecx
movzx ecx, byte [ebp - 0x13]
or edx, ecx
movzx ecx, bl
dec edx
or esi, edx
movzx edx, byte [eax + 0x539bf0]
xor edx, ecx
movzx ecx, byte [ebp - 0x14]
or edx, ecx
movzx ecx, bl
dec edx
or esi, edx
movzx edx, byte [eax + 0x539bd0]
xor edx, ecx
movzx ecx, byte [ebp - 0x15]
or edx, ecx
movzx ecx, bl
dec edx
or esi, edx
movzx edx, byte [eax + 0x539bb0]
xor edx, ecx
movzx ecx, byte [ebp - 0x16]
or edx, ecx
movzx ecx, bl
dec edx
or esi, edx
movzx edx, byte [eax + 0x539b90]
movzx eax, byte [eax + 0x539b70]
xor edx, ecx
movzx ecx, byte [ebp - 0x17]
or edx, ecx
movzx ecx, bl
xor eax, ecx
dec edx
movzx ecx, bh
or esi, edx
or eax, ecx
mov ecx, dword [ebp - 4]
dec eax
xor ecx, ebp
or eax, esi
shr eax, 8
pop esi
and eax, 1
pop ebx
call fcn.004e6db5
mov esp, ebp
pop ebp
ret

Function at 0x4ee7e0
Capabilities:
Encrypt data using salsa20 or chacha

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
mov dword [edx], 0x61707865
mov dword [edx + 4], 0x3320646e
mov dword [edx + 8], 0x79622d32
mov dword [edx + 0xc], 0x6b206574
mov eax, dword [ecx]
mov dword [edx + 0x10], eax
mov eax, dword [ecx + 4]
mov dword [edx + 0x14], eax
mov eax, dword [ecx + 8]
mov dword [edx + 0x18], eax
mov eax, dword [ecx + 0xc]
mov dword [edx + 0x1c], eax
mov eax, dword [ecx + 0x10]
mov dword [edx + 0x20], eax
mov eax, dword [ecx + 0x14]
mov dword [edx + 0x24], eax
mov eax, dword [ecx + 0x18]
mov dword [edx + 0x28], eax
mov eax, dword [ecx + 0x1c]
mov dword [edx + 0x2c], eax
pop ebp
ret
Function at 0x4f1210
Capabilities:
Encrypt data using salsa20 or chacha

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
mov eax, dword [ecx]
mov dword [edx + 0x14], eax
mov eax, dword [ecx + 4]
mov dword [edx + 0x28], eax
mov eax, dword [ecx + 8]
mov dword [edx + 0x3c], eax
mov eax, dword [ecx + 0xc]
mov dword [edx + 0x30], eax
mov eax, dword [ecx + 0x10]
mov dword [edx + 0x1c], eax
mov eax, dword [ecx + 0x14]
mov dword [edx + 0x10], eax
mov eax, dword [ecx + 0x18]
mov dword [edx + 0x24], eax
mov eax, dword [ecx + 0x1c]
mov dword [edx + 0x38], eax
mov dword [edx], 0x61707865
mov dword [edx + 4], 0x3320646e
mov dword [edx + 8], 0x79622d32
mov dword [edx + 0xc], 0x6b206574
pop ebp
ret

Function at 0x4fbfa0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 8]
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
mov dword [ebp + 0xc], eax
xor eax, eax
mov dword [ebp + 8], 0
push esi
nop word [eax + eax]
mov ecx, dword [ebp + 0xc]
movzx edx, byte [ecx + eax]
mov ecx, dword [ebp - 4]
movzx esi, byte [ecx + eax]
inc eax
mov ecx, dword [ebp + 8]
xor esi, edx
or ecx, esi
mov dword [ebp + 8], ecx
cmp eax, 0x10
jl 0x4fbfc0
mov eax, dword [ebp + 8]
dec eax
shr eax, 8
and eax, 1
dec eax
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4fd1e0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
imul eax, dword [ebp + 0xc], 0x3c0
add eax, 0x539d40
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004fd050
Function at 0x5023fe
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.004e7770
mov eax, dword [0x56e048]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x14]
push ebx
push dword [ebp + 8]
mov dword [ebp - 0x100c], eax
call fcn.005136d2
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0x502440
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0x50259c
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.005221b0
push dword [ebp - 0x100c]
mov ecx, ebx
mov dword [ebp - 0x1008], eax
mov esi, ebx
mov dword [ebp - 0x1018], edx
and ecx, 0x3f
sar esi, 6
imul edi, ecx, 0x38
push 0
mov eax, dword [esi*4 + 0x570ae8]
push dword [eax + edi + 0x24]
push dword [eax + edi + 0x20]
push ebx
call fcn.0050b870
mov ecx, dword [esi*4 + 0x570ae8]
add esp, 0x14
mov dword [ebp - 0x1010], eax
mov eax, edx
mov edx, dword [ebp - 0x1010]
mov dword [ebp - 0x101c], eax
cmp edx, dword [ecx + edi + 0x20]
jne 0x502595
cmp eax, dword [ecx + edi + 0x24]
jne 0x502595
push 0
lea eax, [ebp - 0x1014]
push eax
push 0x1000
lea eax, [ebp - 0x1004]
push eax
push dword [ecx + edi + 0x18]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x502595
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.0050b870
add esp, 0x14
test edx, edx
jl 0x502595
jg 0x50250b
test eax, eax
jb 0x502595
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0x502595
jl 0x502525
cmp dword [ebp - 0x1008], eax
ja 0x502595
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0x502543
test ebx, ebx
je 0x50257c
cmp ecx, edi
jae 0x50257c
mov al, byte [ecx]
cmp al, 0xd
jne 0x50255d
lea eax, [edi - 1]
cmp ecx, eax
jae 0x502569
cmp byte [ecx + 1], 0xa
jne 0x502569
inc ecx
jmp 0x502569
movzx eax, al
movsx eax, byte [eax + 0x56e240]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0x502543
cmp edx, ebx
jne 0x502543
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0x50259a
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.004e6db5
leave
ret