joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4bdb39
Capabilities:
Query or enumerate registry value

Disassembly:
push 0x14
mov eax, 0x637e8e
call fcn.0040eba3
and dword [ebp - 0x20], 0
xor eax, eax
mov ebx, dword [ebp + 8]
and dword [ebx + 0x10], 0
mov dword [ebx + 0x14], 7
mov word [ebx], ax
and dword [ebp - 4], eax
push 0x208
mov dword [ebp - 0x20], 1
call fcn.0056047b
mov edx, eax
xor eax, eax
pop ecx
mov ecx, 0x82
mov dword [ebp - 0x14], edx
mov edi, edx
rep stosd dword es:[edi], eax
mov edi, 0x20019
mov dword [ebp - 0x1c], edi
lea eax, [ebp - 0x18]
push eax
push edi
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
mov esi, eax
test esi, esi
jne 0x4bdc3f
lea eax, [ebp - 0x10]
mov dword [ebp - 0x10], 0x104
push eax
xor eax, eax
push eax
push eax
push eax
push dword [ebp + 0x14]
push dword [ebp - 0x18]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
mov esi, eax
test esi, esi
jne 0x4bdc36
cmp dword [ebp - 0x10], 0x104
jbe 0x4bdc07
push dword [ebp - 0x14]
call fcn.0040ed15
mov eax, dword [ebp - 0x10]
xor ecx, ecx
push 2
inc eax
pop edx
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.0056047b
mov edi, eax
mov eax, dword [ebp - 0x10]
inc eax
mov dword [ebp - 0x14], edi
push eax
push esi
push edi
call fcn.00409e46
add esp, 0x14
jmp 0x4bdc0a
mov edi, dword [ebp - 0x14]
lea eax, [ebp - 0x10]
push eax
push edi
push 0
push 0
push dword [ebp + 0x14]
push dword [ebp - 0x18]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 0x10]
mov ecx, ebx
mov esi, eax
push edi
call fcn.004040de
push edi
call fcn.0040ed15
mov edi, dword [ebp - 0x1c]
pop ecx
push dword [ebp - 0x18]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push 2
pop eax
cmp esi, eax
jne 0x4bdc61
cmp dword [ebp + 0xc], reloc.OLEAUT32.dll_SysReAllocString
jne 0x4bdc61
cmp edi, 0x20019
jne 0x4bdc61
mov edi, 0x20119
jmp 0x4bdb86
mov eax, ebx
call fcn.0040eb6c
ret

Function at 0x4bdee6
Capabilities:
Enumerate processes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x230
mov eax, dword [0x6cb06c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x4bdf6c
push 0x228
lea eax, [ebp - 0x22c]
push 0
push eax
call fcn.004edce0
add esp, 0xc
push 0
push 2
call sub.KERNEL32.dll_CreateToolhelp32Snapshot
mov esi, eax
cmp esi, 0xffffffff
je 0x4bdf6c
lea eax, [ebp - 0x230]
mov dword [ebp - 0x230], 0x22c
push eax
push esi
call sub.KERNEL32.dll_Process32FirstW
jmp 0x4bdf61
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.004f4a3e
pop ecx
pop ecx
test eax, eax
je 0x4bdf7c
lea eax, [ebp - 0x230]
push eax
push esi
call sub.KERNEL32.dll_Process32NextW
test eax, eax
jne 0x4bdf41
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0040e275
leave
ret
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x228]
jmp 0x4bdf6e
Function at 0x4be125
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3c
push 0x3c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.004edce0
add esp, 0xc
mov dword [ebp - 0x3c], 0x3c
cmp dword [ebp + 8], 0
mov ecx, 0x64bc70
mov eax, 0x64b438
mov dword [ebp - 0x20], 1
cmove eax, ecx
mov dword [ebp - 0x30], eax
mov eax, dword [ebp + 0xc]
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x28], eax
mov eax, dword [ebp + 0x14]
mov dword [ebp - 0x24], eax
lea eax, [ebp - 0x3c]
push eax
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
leave
ret
Function at 0x4c0150
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov edx, ecx
cmp byte [edx + 4], 0
je 0x4c0180
push esi
xor esi, esi
cmp dword [edx + 0x3cc], esi
jle 0x4c017f
mov ecx, dword [ebp + 8]
push edi
mov edi, dword [ebp + 0xc]
sub edi, ecx
mov al, byte [edi + ecx]
xor byte [ecx], al
inc ecx
inc esi
cmp esi, dword [edx + 0x3cc]
jl 0x4c016f
pop edi
pop esi
pop ebp
ret 8

Function at 0x4c036e
Capabilities:
Encode data using base64

Disassembly:
push 0x10
mov eax, 0x6380fa
call fcn.0040eba3
xor ebx, ebx
mov dword [ebp - 0x1c], ebx
mov edi, ebx
mov eax, dword [ebp + 8]
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], 0xf
mov byte [eax], bl
mov dword [ebp - 4], ebx
mov dword [ebp - 0x1c], 1
cmp dword [ebp + 0x10], ebx
je 0x4c04f9
mov eax, dword [ebp + 0x10]
push 3
pop esi
mov ecx, dword [ebp + 0xc]
dec eax
mov dword [ebp + 0x10], eax
mov al, byte [ecx]
mov byte [ebp + edi - 0x14], al
inc edi
mov dl, byte [ebp - 0x13]
inc ecx
mov dword [ebp + 0xc], ecx
mov ch, byte [ebp - 0x12]
mov cl, byte [ebp - 0x14]
mov byte [ebp - 0xf], ch
mov byte [ebp - 0xd], dl
mov byte [ebp - 0xe], cl
cmp edi, esi
jne 0x4c043f
mov esi, dword [ebp + 8]
mov al, cl
shr al, 2
and cl, 3
mov byte [ebp - 0x18], al
mov edi, ebx
shl cl, 4
mov al, dl
shr al, 4
add cl, al
mov al, ch
mov byte [ebp - 0x17], cl
mov cl, dl
and cl, 0xf
shr al, 6
shl cl, 2
add cl, al
mov al, ch
and al, 0x3f
mov byte [ebp - 0x16], cl
mov byte [ebp - 0x15], al
cmp dword [0x6cb3e0], 0x10
mov ecx, 0x6cb3cc
movzx eax, byte [ebp + edi - 0x18]
cmovae ecx, dword [0x6cb3cc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.0040c674
inc edi
cmp edi, 4
jl 0x4c0407
mov dl, byte [ebp - 0xd]
mov edi, ebx
mov cl, byte [ebp - 0xe]
mov ch, byte [ebp - 0xf]
push 3
pop esi
mov eax, dword [ebp + 0x10]
test eax, eax
jne 0x4c03a9
mov dword [ebp + 0x10], edi
test edi, edi
je 0x4c04f6
mov eax, edi
cmp edi, esi
jge 0x4c0475
cmp eax, esi
jae 0x4c04ff
mov byte [ebp + eax - 0x14], bl
inc eax
cmp eax, esi
jl 0x4c045d
mov ch, byte [ebp - 0x12]
mov dl, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
mov al, cl
and cl, 3
shr al, 2
mov byte [ebp - 0x18], al
mov al, dl
shr al, 4
and dl, 0xf
shl cl, 4
add cl, al
shl dl, 2
mov al, ch
mov byte [ebp - 0x17], cl
shr al, 6
and ch, 0x3f
add dl, al
mov byte [ebp - 0x15], ch
lea eax, [edi + 1]
mov byte [ebp - 0x16], dl
mov dword [ebp - 0x14], eax
test eax, eax
jle 0x4c04e1
mov esi, dword [ebp + 8]
mov edi, eax
cmp dword [0x6cb3e0], 0x10
mov ecx, 0x6cb3cc
movzx eax, byte [ebp + ebx - 0x18]
cmovae ecx, dword [0x6cb3cc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.0040c674
inc ebx
cmp ebx, edi
jl 0x4c04b2
mov edi, dword [ebp + 0x10]
push 3
pop esi
cmp edi, esi
jge 0x4c04f6
sub esi, edi
mov ecx, dword [ebp + 8]
push 0x3d
call fcn.0040c674
sub esi, 1
jne 0x4c04e7
mov eax, dword [ebp + 8]
call fcn.0040eb6c
ret
call fcn.0040ef19
int3
Function at 0x4ca000
Capabilities:
Check if file exists
Create directory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x70
push ebx
push esi
push edi
mov eax, dword [ebp + 8]
mov dword [ebp - 0x64], eax
mov ecx, dword [ebp - 0x64]
add ecx, 2
mov dword [ebp - 0x68], ecx
mov edx, dword [ebp - 0x64]
mov ax, word [edx]
mov word [ebp - 0x6a], ax
add dword [ebp - 0x64], 2
cmp word [ebp - 0x6a], 0
jne 0x4ca018
mov ecx, dword [ebp - 0x64]
sub ecx, dword [ebp - 0x68]
sar ecx, 1
mov dword [ebp - 0x70], ecx
mov edx, dword [ebp - 0x70]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
add eax, 1
xor ecx, ecx
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.0056047b
add esp, 4
mov dword [ebp - 0x5c], eax
mov eax, dword [ebp - 0x5c]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
add eax, 1
push eax
push 0
mov ecx, dword [ebp - 8]
push ecx
call fcn.00409e46
add esp, 0xc
mov eax, dword [ebp + 8]
push eax
mov ecx, dword [ebp - 4]
add ecx, 1
push ecx
mov edx, dword [ebp - 8]
push edx
call fcn.004fc05b
add esp, 0xc
mov byte [ebp - 9], 1
mov dword [ebp - 0x10], 0
mov dword [ebp - 0x14], 0
jmp 0x4ca0af
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp - 4]
jg 0x4ca11d
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
movzx edx, word [ecx + eax*2]
cmp edx, 0x5c
jne 0x4ca11b
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ecx + eax*2]
mov word [ebp - 0x18], dx
xor eax, eax
mov ecx, dword [ebp - 0x10]
mov edx, dword [ebp - 8]
mov word [edx + ecx*2], ax
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4ca104
push 0
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x4ca104
mov byte [ebp - 9], 0
jmp 0x4ca11d
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ebp - 0x18]
mov word [ecx + eax*2], dx
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x14], eax
jmp 0x4ca0a6
mov eax, dword [ebp - 8]
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp - 0x60]
push ecx
call fcn.0040ed15
add esp, 4
mov al, byte [ebp - 9]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4ca140
Capabilities:
Check if file exists
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x638bae
mov eax, dword fs:[0]
push eax
sub esp, 0xc8
mov eax, dword [0x6cb06c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
cmp dword [ebp + 8], 0
je 0x4ca17a
cmp dword [ebp + 0xc], 0
jne 0x4ca181
xor al, al
jmp 0x4ca31e
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4ca19d
mov eax, dword [ebp + 0xc]
push eax
call fcn.004ca000
add esp, 4
jmp 0x4ca1a7
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push 0x6b4be8
lea eax, [ebp - 0x14]
push eax
call fcn.004c9d50
add esp, 8
mov dword [ebp - 4], 0
push 0
lea ecx, [ebp - 0x14]
call fcn.004c9f20
mov ecx, eax
call fcn.004ccc10
push 0
lea ecx, [ebp - 0x14]
call fcn.004c9f20
mov ecx, eax
call fcn.004ccc30
cmp dword [ebp + 0x10], 0
je 0x4ca1fa
mov eax, dword [ebp + 0x10]
push eax
lea ecx, [ebp - 0x14]
call fcn.004c9f20
mov ecx, eax
call fcn.004cc9f0
cmp dword [ebp + 0x14], 0
je 0x4ca213
mov eax, dword [ebp + 0x14]
push eax
lea ecx, [ebp - 0x14]
call fcn.004c9f20
mov ecx, eax
call fcn.004cca20
push 0
push 0x3a8
sub esp, 0x18
mov ecx, esp
mov dword [ebp - 0x88], esp
mov eax, dword [ebp + 0xc]
push eax
call fcn.00404153
lea ecx, [ebp - 0xa0]
push ecx
call fcn.004acf61
add esp, 0x20
mov dword [ebp - 0xc4], eax
mov edx, dword [ebp - 0xc4]
mov dword [ebp - 0xc8], edx
mov byte [ebp - 4], 1
mov eax, dword [ebp - 0xc8]
push eax
push 0xfde9
sub esp, 0x18
mov ecx, esp
mov dword [ebp - 0xa4], esp
mov edx, dword [ebp + 8]
push edx
call fcn.00404153
lea eax, [ebp - 0xbc]
push eax
call fcn.004acf61
add esp, 0x20
mov dword [ebp - 0xcc], eax
mov ecx, dword [ebp - 0xcc]
mov dword [ebp - 0xd0], ecx
mov byte [ebp - 4], 2
mov edx, dword [ebp - 0xd0]
push edx
lea eax, [ebp - 0x44]
push eax
lea ecx, [ebp - 0x14]
call fcn.004c9f20
mov ecx, eax
call fcn.004ccdf0
mov dword [ebp - 0xd4], eax
mov byte [ebp - 4], 1
lea ecx, [ebp - 0xbc]
call fcn.004039af
mov byte [ebp - 4], 0
lea ecx, [ebp - 0xa0]
call fcn.004039af
cmp dword [ebp - 0x44], 0xc8
jne 0x4ca2eb
mov dword [ebp - 0xc4], 1
jmp 0x4ca2f5
mov dword [ebp - 0xc4], 0
mov al, byte [ebp - 0xc4]
mov byte [ebp - 0xbd], al
lea ecx, [ebp - 0x44]
call fcn.004c9ee0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x14]
call fcn.004c9e80
mov al, byte [ebp - 0xbd]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0040e275
mov esp, ebp
pop ebp
ret
Function at 0x4ca9f0
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x638ce0
mov eax, dword fs:[0]
push eax
sub esp, 0x2c0
mov eax, dword [0x6cb06c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
push 0x67
push 0x6f
push 0x6c
push 0x74
push 0x6e
push 0x65
push 0x74
push 0x6e
push 0x6f
push 0x43
push 0x70
push 0x74
push 0x74
push 0x48
push 0x77
push 0x6f
push 0x68
push 0x53
push str._c_c_c_c_c_c_c_c_c_c_c_c_c_c_c._c_c_c
lea eax, [ebp - 0x28]
push eax
call fcn.004ac942
add esp, 0x50
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.004019d1
mov byte [ebp - 4], 1
push 0x64bcd8
lea ecx, [ebp - 0x40]
call fcn.00401918
push 0x64bcdc
lea ecx, [ebp - 0x40]
call fcn.00401918
push 0x6b4c90
lea ecx, [ebp - 0x40]
call fcn.00401918
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0040480f
lea ecx, [ebp - 0x40]
call fcn.0040193f
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4cab13
push 0x208
push 0
lea eax, [ebp - 0x248]
push eax
call fcn.004edce0
add esp, 0xc
push 0x104
lea eax, [ebp - 0x248]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x248]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
lea ecx, [ebp - 0x40]
call fcn.00408c40
lea eax, [ebp - 0x248]
push eax
lea ecx, [ebp - 0x40]
call fcn.00401918
push 0x6b4c90
lea ecx, [ebp - 0x40]
call fcn.00401918
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0040480f
lea ecx, [ebp - 0x40]
call fcn.0040193f
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4cab2f
mov byte [ebp - 0x2ca], 1
jmp 0x4cab36
mov byte [ebp - 0x2ca], 0
mov al, byte [ebp - 0x2ca]
mov byte [ebp - 0x2c9], al
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.004019cc
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x28]
call fcn.004019cc
mov al, byte [ebp - 0x2c9]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0040e275
mov esp, ebp
pop ebp
ret
Function at 0x4cb3f0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x60
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4cb408
cmp dword [ebp + 0xc], 0
jne 0x4cb412
mov eax, 1
jmp 0x4cb50d
push 0
push 0x80
push 3
push 0
push 5
push SysReAllocString
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4cb442
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cb50d
mov dword [ebp - 0xc], 0
lea eax, [ebp - 0x10]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0xffffffff
jne 0x4cb46b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cb50d
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x4cb481
mov eax, 8
jmp 0x4cb50d
cmp dword [ebp + 0x10], 0
je 0x4cb48f
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp - 0xc]
mov dword [eax], ecx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
call fcn.0056047b
add esp, 4
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp + 0xc]
mov edx, dword [ebp - 0x60]
mov dword [ecx], edx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
push 0
mov ecx, dword [ebp + 0xc]
mov edx, dword [ecx]
push edx
call fcn.004edce0
add esp, 0xc
mov dword [ebp - 0x18], 0
push 0
lea eax, [ebp - 0x18]
push eax
mov ecx, dword [ebp - 0xc]
push ecx
mov edx, dword [ebp + 0xc]
mov eax, dword [edx]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
jne 0x4cb4f2
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cb50d
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x4cb501
mov eax, 1
jmp 0x4cb50d
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4cbae0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x50
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4cbafc
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x4cbb03
mov eax, 1
jmp 0x4cbb65
push 0
push 0x80
push 2
push 0
push 0
push 0xc0000000
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4cbb30
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cbb65
push 0
lea eax, [ebp - 0xc]
push eax
mov ecx, dword [ebp + 0x10]
push ecx
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jne 0x4cbb59
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4cbb65
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc

Function at 0x4d1d10
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor edx, edx
mov ecx, edx
mov eax, edx
and ecx, 1
shr eax, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov dword [edx*4 + 0x6db7e0], eax
inc edx
cmp edx, 0x100
jb 0x4d1d12
push esi
mov eax, 0x6db7e4
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6db7e0]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6db7e0]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6db7e0]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6db7e0]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x4d1db7
mov dword [0x6db7d0], 0x4d3100
mov dword [0x6db7c8], 0x4d3100
mov dword [0x6db7cc], 0x4d31a0
call fcn.004d2f10
mov ecx, dword [0x6db7c8]
test eax, eax
mov edx, 0x4d31a0
cmove ecx, edx
mov dword [0x6db7c8], ecx
pop esi
ret
Function at 0x4d35d0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 0x14]
push edi
xor edi, edi
mov esi, dword [esi]
and esi, 7
cmp eax, 5
jae 0x4d35f0
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
add dword [ebp + 0x10], 5
mov ecx, dword [ebp + 8]
push ebx
lea ebx, [eax - 4]
add ebx, ecx
mov dword [ebp - 4], ebx
lea eax, [edi + ecx]
cmp eax, ebx
jae 0x4d3619
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4d3616
inc eax
cmp eax, ebx
jb 0x4d3607
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x4d371d
cmp edx, 2
jbe 0x4d36a2
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x4d3709
movzx ecx, byte [eax + 3]
mov ebx, dword [ebp + 0x10]
shl edx, 8
add ebx, edi
or edx, ecx
movzx ecx, byte [eax + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [eax + 1]
shl edx, 8
or edx, ecx
mov ecx, edx
add edx, ebx
sub ecx, ebx
cmp dword [ebp + 0x18], 0
cmove edx, ecx
mov dword [ebp + 0xc], edx
mov ebx, edx
test esi, esi
je 0x4d36d9
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x4d36d7
mov ebx, 0x100
shl ebx, cl
mov ecx, dword [ebp + 0x10]
dec ebx
xor ebx, dword [ebp + 0xc]
add ecx, edi
cmp dword [ebp + 0x18], 0
je 0x4d36d5
add ebx, ecx
jmp 0x4d36d7
mov ecx, edx
shr esi, cl
test esi, esi
je 0x4d3632
cmp esi, 4
ja 0x4d36c7
cmp esi, 3
je 0x4d36c7
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x4d3632
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x4d3600
sub ebx, ecx
xor esi, esi
mov ecx, ebx
mov byte [eax + 1], bl
shr ecx, 8
mov byte [eax + 2], cl
mov ecx, ebx
shr ebx, 0x18
and bl, 1
shr ecx, 0x10
neg bl
mov byte [eax + 3], cl
mov ecx, dword [ebp + 8]
mov byte [eax + 4], bl
mov eax, 5
mov ebx, dword [ebp - 4]
add edi, eax
jmp 0x4d3600
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x4d3600
mov eax, dword [ebp + 0x14]
mov ecx, edx
shr esi, cl
xor ecx, ecx
cmp edx, 2
pop ebx
cmovbe ecx, esi
mov dword [eax], ecx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4d80dc
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x510d04
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.005109c4

Function at 0x514e59
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00514b1c

Function at 0x514e64
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00514c9d
Function at 0x521f20
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor edx, edx
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, 0x1505
add eax, esi
mov ecx, eax
sub ecx, esi
push edi
xor edi, edi
cmp esi, eax
cmova ecx, edx
mov dword [ebp + 8], ecx
test ecx, ecx
je 0x521f69
mov al, byte [esi]
push eax
call fcn.00531310
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, dword [ebp + 8]
jb 0x521f47
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret
Function at 0x52c470
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, dword [ebp + 8]
cmp byte [edi + 0x6f2], 0
je 0x52c4f3
cmp dword [edi + 0x1b0], 0
je 0x52c4bd
push esi
push 1
push edi
call fcn.0051e1f0
push dword [edi + 0x14c]
mov eax, dword [edi + 0x1b0]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.0051e1f0
add esp, 0x24
mov eax, esi
pop esi
pop edi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x52c4f3
push dword [edi + 0x148]
lea eax, [eax + eax*2]
push 1
add eax, 0x65ea40
push 2
push eax
call fcn.00502311
push dword [edi + 0x148]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.00502311
add esp, 0x20
xor eax, eax
pop edi
pop ebp
ret

Function at 0x52c870
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6cb06c]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov eax, dword [edx + 0xc]
mov esi, dword [ebp + 0x18]
push edi
mov edi, dword [ebp + 0x10]
mov ebx, dword [eax + ecx*4 + 0x148]
push ecx
push eax
push edx
mov dword [ebp - 0x108], edx
call fcn.0052ccf0
add esp, 0xc
test eax, eax
je 0x52c8cb
pop edi
mov dword [esi], 0x1b
or eax, 0xffffffff
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040e275
mov esp, ebp
pop ebp
ret
push 0
push dword [ebp + 0x14]
push edi
push ebx
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
mov dword [esi], 0
cmp edi, 0xffffffff
jne 0x52c948
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp ebx, 0x2733
jne 0x52c910
xor edi, edi
mov dword [esi], 0x51
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040e275
mov esp, ebp
pop ebp
ret
push 0x100
lea eax, [ebp - 0x104]
push eax
push ebx
call fcn.0051a150
push eax
push str.Send_failure:__s
push dword [ebp - 0x108]
call fcn.0052c500
mov eax, dword [ebp - 0x108]
add esp, 0x18
mov dword [eax + 0x93c], ebx
mov dword [esi], 0x37
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0040e275
mov esp, ebp
pop ebp
ret