joyce8/EMBER2024-capa huggingface dataset:
Function at 0x416650
Capabilities:
Log keystrokes

Disassembly:
push ebx
mov ebx, ecx
movzx edx, bx
mov eax, edx
cmp edx, 0x11c
ja 0x4166c8
je 0x4166c4
sub eax, 0x1d
cmp eax, 0x36
ja case.0x4166d9.286
movzx eax, byte [eax + 0x41677c]
jmp dword [eax*4 + 0x416730]
mov al, 0xa0
pop ebx
ret
mov al, 0xa2
pop ebx
ret
mov al, 0xa4
pop ebx
ret
mov al, 0x6a
pop ebx
ret
mov al, 0x6d
pop ebx
ret
mov al, 0x6b
pop ebx
ret
mov al, 0x2e
pop ebx
ret
mov al, 0xc
pop ebx
ret
mov al, 0x2d
pop ebx
ret
mov al, 0x26
pop ebx
ret
mov al, 0x28
pop ebx
ret
mov al, 0x25
pop ebx
ret
mov al, 0x27
pop ebx
ret
mov al, 0x24
pop ebx
ret
mov al, 0x23
pop ebx
ret
mov al, 0x21
pop ebx
ret
mov al, 0x22
pop ebx
ret
mov al, 0x13
pop ebx
ret
mov al, 0xd
pop ebx
ret
sub eax, 0x11d
cmp eax, 0x40
ja case.0x4166d9.286
movzx eax, byte [eax + 0x4167dc]
jmp dword [eax*4 + 0x4167b4]
mov al, 0xa1
pop ebx
ret
mov al, 0xa3
pop ebx
ret
mov al, 0xa5
pop ebx
ret
mov al, 0x5b
pop ebx
ret
mov al, 0x5c
pop ebx
ret
mov al, 0x90
pop ebx
ret
mov al, 0x6f
pop ebx
ret
mov al, 0x5d
pop ebx
ret
mov al, 0x2c
pop ebx
ret
test ebx, 0x100
je 0x416721
movzx eax, dl
push 1
or eax, 0xe000
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
test eax, eax
jne 0x41672d
push 1
movzx eax, bl
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
pop ebx
ret
Function at 0x418420
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push esi
mov esi, dword [esp + 8]
not ecx
cmp esi, 8
jb 0x4184dd
push edi
mov edi, esi
shr edi, 3
movzx eax, byte [edx]
sub esi, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
sub edi, 1
jne 0x418436
pop edi
test esi, esi
je 0x4184fb
movzx eax, byte [edx]
lea edx, [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
sub esi, 1
jne 0x4184e1
not ecx
mov eax, ecx
pop esi
ret

Function at 0x418910
Capabilities:
Read file on windows

Disassembly:
push ecx
push esi
mov esi, ecx
test byte [esi], 1
jne 0x418943
push 0
lea eax, [esp + 8]
push eax
push dword [esp + 0x14]
push edx
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x41893c
mov dword [esi + 8], 7
pop esi
pop ecx
ret
mov eax, dword [esp + 4]
pop esi
pop ecx
ret
mov ecx, dword [esi + 0x10]
xor eax, eax
push ebx
mov ebx, dword [esi + 0x18]
push ebp
push edi
mov edi, dword [esp + 0x18]
mov ebp, edi
add ebp, ebx
adc eax, dword [esi + 0x1c]
cmp eax, dword [esi + 0x14]
jb 0x418968
ja 0x418964
cmp ebp, ecx
jbe 0x418968
mov edi, ecx
sub edi, ebx
mov ecx, dword [esi + 4]
push edi
add ecx, ebx
push ecx
push edx
call fcn.004b4620
add esp, 0xc
mov eax, edi
add dword [esi + 0x18], edi
adc dword [esi + 0x1c], 0
pop edi
pop ebp
pop ebx
pop esi
pop ecx
ret
Function at 0x419ce0
Capabilities:
Create directory

Disassembly:
sub esp, 0x10
mov al, byte [ecx]
mov dword [esp + 4], 0xc
mov dword [esp + 8], 0
mov dword [esp + 0xc], 1
mov dword [esp], ecx
push ebx
mov ebx, edx
push ebp
push esi
push edi
test al, al
je 0x419d16
cmp byte [ecx + 1], 0x3a
jne 0x419d16
mov al, byte [ecx + 2]
add ecx, 2
mov dl, al
cmp al, 0x5c
jne 0x419d1f
mov dl, byte [ecx + 1]
lea esi, [ecx + 1]
cmovne esi, ecx
test dl, dl
je 0x419d78
mov al, byte [esi]
mov ebp, dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
test al, al
je 0x419d4c
nop dword [eax + eax]
cmp al, 0x5c
je 0x419d85
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x419d40
xor esi, esi
test ebx, ebx
je 0x419d78
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x14]
call ebp
test eax, eax
jne 0x419d6a
call edi
cmp eax, 0xb7
jne 0x419d8a
test esi, esi
je 0x419d78
mov byte [esi], 0x5c
inc esi
mov al, byte [esi]
test al, al
jne 0x419d40
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x10
ret
mov byte [esi], 0
jmp 0x419d52
test esi, esi
je 0x419d91
mov byte [esi], 0x5c
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x10
ret

Function at 0x419da0
Capabilities:
Create directory

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
movzx esi, word [ecx]
mov ebx, edx
mov dword [esp + 0x10], 0xc
mov eax, esi
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 1
mov dword [esp + 0xc], ecx
push edi
test si, si
je 0x419ddd
cmp word [ecx + 2], 0x3a
jne 0x419ddd
movzx eax, word [ecx + 4]
add ecx, 4
movzx edi, ax
movzx edx, ax
cmp ax, 0x5c
jne 0x419ded
movzx edx, word [ecx + 2]
cmp edi, 0x5c
lea esi, [ecx + 2]
cmovne esi, ecx
test dx, dx
je 0x419e61
movzx ecx, word [esi]
mov ebp, dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
nop word [eax + eax]
movzx eax, cx
test ax, ax
je 0x419e2a
cmp ax, 0x5c
je 0x419e6e
movzx eax, word [esi + 2]
add esi, 2
test ax, ax
jne 0x419e18
xor esi, esi
test ebx, ebx
je 0x419e61
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x14]
call ebp
test eax, eax
jne 0x419e48
call edi
cmp eax, 0xb7
jne 0x419e75
test esi, esi
je 0x419e61
mov eax, 0x5c
mov word [esi], ax
add esi, 2
movzx eax, word [esi]
mov ecx, eax
test ax, ax
jne 0x419e10
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x10
ret
xor eax, eax
mov word [esi], ax
jmp 0x419e30
test esi, esi
je 0x419e81
mov eax, 0x5c
mov word [esi], ax
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x10
ret
Function at 0x419e90
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push ecx
push ebx
push esi
push edi
mov esi, ecx
mov edi, edx
push 1
push esi
call dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
test eax, eax
jne 0x41a0a1
mov eax, dword [esi + 0x30]
and eax, dword [esi + 0x34]
cmp eax, 0xffffffff
je 0x41a0a1
mov ebx, dword [ebp + 0xc]
mov dword [esi + 8], 0
test bl, 1
je 0x419f42
cmp word [esi + 0x70], 0
mov ebx, dword [ebp + 8]
jne 0x419ef3
mov edx, ebx
mov ecx, esi
call fcn.00419000
cmp dword [esi + 8], 0
jne 0x41a090
mov eax, 1
mov word [esi + 0x70], ax
push dword [ebx + 0x2c]
mov edx, edi
mov ecx, esi
push dword [ebx + 0x28]
call fcn.00419310
add esp, 8
mov dword [ebx + 0x28], eax
mov dword [ebx + 0x2c], edx
cmp dword [esi + 8], 0
jne 0x419f2b
mov eax, dword [esi + 0xe8]
or eax, dword [esi + 0xec]
je 0x419f2b
mov eax, 5
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
xor eax, eax
mov ecx, esi
mov word [esi + 0x70], ax
call fcn.00418ee0
mov eax, dword [esi + 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 8]
test byte [eax + 8], 0x10
je 0x419f78
test bl, 2
je 0x419f6f
mov edx, 1
mov ecx, edi
test ebx, ebx
jns 0x419f62
call fcn.00419da0
jmp 0x419f67
call fcn.00419ce0
test eax, eax
je 0x41a089
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp ebx, 4
je 0x419fc5
xor edx, edx
mov ecx, edi
test ebx, ebx
jns 0x419f8c
call fcn.00419da0
jmp 0x419f91
call fcn.00419ce0
test eax, eax
je 0x41a089
mov eax, dword [ebp + 8]
push 0
mov eax, dword [eax + 8]
push eax
push 2
push 0
push 0
push 0x40000000
push edi
test ebx, ebx
jns 0x419fba
call dword [sym.imp.KERNEL32.dll_CreateFileW]
jmp 0x419fc0
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
mov eax, dword [ebp + 8]
cmp edi, 0xffffffff
je 0x41a089
mov edx, eax
mov ecx, esi
call fcn.00419000
cmp dword [esi + 8], 0
jne 0x41a06c
cmp dword [esi + 0x4c], 0
jne 0x41a002
push 0x4000
push 0
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov dword [esi + 0x4c], eax
test eax, eax
jne 0x41a002
mov dword [esi + 8], 2
cmp dword [esi + 8], 0
jne 0x41a06c
mov edx, dword [esi + 0x4c]
mov ecx, esi
push 0
push 0x4000
call fcn.00419310
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x41a04d
push 0
lea eax, [esp + 0x10]
push eax
push ebx
push dword [esi + 0x4c]
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x41a046
cmp dword [esp + 0xc], ebx
jne 0x41a046
cmp dword [esi + 8], 0
je 0x41a008
jmp 0x41a04d
mov dword [esi + 8], 3
cmp dword [esi + 8], 0
mov ebx, dword [ebp + 0xc]
jne 0x41a06c
mov ecx, dword [ebp + 8]
lea eax, [ecx + 0x1c]
push eax
lea eax, [ecx + 0xc]
push eax
lea eax, [ecx + 0x14]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_SetFileTime]
cmp ebx, 4
je 0x41a090
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, esi
call fcn.00418ee0
mov eax, dword [esi + 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov dword [esi + 8], 1
mov ecx, esi
call fcn.00418ee0
mov eax, dword [esi + 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov eax, 9
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x41aae0
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
sub esp, 0x44
lea eax, [esp + 0x10]
push ebx
push ebp
push esi
push edi
mov edi, ecx
mov ebp, edx
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x41ab0a
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x44
ret
mov ebx, dword [esp + 0x20]
mov esi, ebx
and esi, 1
mov eax, ebx
mov ecx, esi
or ecx, 2
and al, 2
mov eax, ebx
cmove ecx, esi
mov edx, ecx
or edx, 4
and al, 4
cmove edx, ecx
mov ecx, ebx
and ecx, 0x10
mov eax, edx
or eax, 0x10
mov dword [esp + 0x14], ecx
test ecx, ecx
cmove eax, edx
mov edx, 0x81000000
mov ecx, eax
or ecx, 0x20
and bl, 0x20
mov ebx, 0x41000000
cmove ecx, eax
mov eax, dword [esp + 0x14]
test eax, eax
cmove ebx, edx
or ebx, ecx
test esi, esi
jne 0x41ab73
test eax, eax
mov ebx, 0x41800000
mov edx, 0x81800000
cmove ebx, edx
or ebx, ecx
push 0
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
xor ecx, ecx
mov dword [edi + 0x50], eax
mov dword [edi + 0x54], ecx
cmp eax, 0x28
jbe 0x41ac54
mov eax, dword [edi + 0x18]
or eax, dword [edi + 0x1c]
jne 0x41ac54
mov esi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push eax
push eax
push eax
push dword [edi + 0x64]
call esi
push 0
lea eax, [esp + 0x18]
push eax
push 2
lea eax, [esp + 0x1c]
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
push 0
push 0
push 0x24
push dword [edi + 0x64]
call esi
push 0
lea eax, [esp + 0x18]
push eax
push 4
lea eax, [esp + 0x24]
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, 0x54ad
cmp word [esp + 0x10], ax
jne 0x41ac49
cmp dword [edi + 0x54], 0
mov eax, dword [esp + 0x18]
lea ecx, [eax + 0x34]
jb 0x41ac49
ja 0x41ac02
cmp dword [edi + 0x50], ecx
jbe 0x41ac49
push 0
push 0
push eax
push dword [edi + 0x64]
call esi
push 0
lea eax, [esp + 0x18]
push eax
push 4
lea eax, [esp + 0x28]
push eax
push dword [edi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [esp + 0x1c]
cmp eax, 0x5a4d
je 0x41ac43
cmp eax, 0x454e
je 0x41ac43
cmp eax, 0x454c
je 0x41ac43
cmp eax, 0x4550
jne 0x41ac49
or ebx, 0x400000
push 0
push 0
push 0
push dword [edi + 0x64]
call esi
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x30]
sub ecx, 0xd53e8000
push 0
push 0x989680
sbb eax, 0x19db1de
mov dword [ebp + 0x10], ebx
push eax
push ecx
call fcn.004cd2f0
mov ecx, dword [esp + 0x34]
mov dword [ebp], eax
sub ecx, 0xd53e8000
mov eax, dword [esp + 0x38]
push 0
push 0x989680
sbb eax, 0x19db1de
push eax
push ecx
call fcn.004cd2f0
mov ecx, dword [esp + 0x24]
mov dword [ebp + 4], eax
sub ecx, 0xd53e8000
mov eax, dword [esp + 0x28]
push 0
push 0x989680
sbb eax, 0x19db1de
push eax
push ecx
call fcn.004cd2f0
mov dword [ebp + 8], eax
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x3c]
push eax
call dword [sym.imp.KERNEL32.dll_FileTimeToDosDateTime]
movzx ecx, word [esp + 0x10]
movzx eax, word [esp + 0x14]
shl ecx, 0x10
pop edi
or ecx, eax
xor eax, eax
pop esi
mov dword [ebp + 0xc], ecx
pop ebp
pop ebx
add esp, 0x44
ret
Function at 0x41c800
Capabilities:
Enumerate pe sections

Disassembly:
push ebx
push esi
mov esi, edx
push edi
mov edi, ecx
mov ecx, esi
cmp dword [esi], 0
jge 0x41c85b
mov edx, 0x8b1f
call fcn.0041d240
mov edx, 0x808
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 4]
mov ecx, esi
call fcn.0041d240
movzx edx, word [edi + 6]
mov ecx, esi
call fcn.0041d240
mov edx, 0xb02
mov ecx, esi
call fcn.0041d240
mov eax, dword [edi + 0x20]
lea edx, [edi + 0x48]
inc eax
mov ecx, esi
push eax
call fcn.0041d3b0
add esp, 4
pop edi
pop esi
pop ebx
ret
mov edx, 0x4034b50
call fcn.0041d240
mov edx, 0x403
mov ecx, esi
call fcn.0041d240
mov edx, 0x2d
mov ecx, esi
call fcn.0041d240
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.0041d240
movzx edx, word [edi + 2]
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 4]
mov ecx, esi
call fcn.0041d240
movzx edx, word [edi + 6]
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 8]
mov ecx, esi
call fcn.0041d240
movzx edx, word [edi + 0xa]
mov ecx, esi
call fcn.0041d240
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d240
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d240
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d240
or edx, 0xffffffff
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 0x20]
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 0x24]
mov ecx, esi
add edx, 0x14
call fcn.0041d240
push dword [edi + 0x20]
lea edx, [edi + 0x48]
mov ecx, esi
call fcn.0041d3b0
add esp, 4
mov edx, 1
mov ecx, esi
call fcn.0041d240
mov edx, 0x10
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 0x18]
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 0x18]
mov ecx, esi
mov eax, dword [edi + 0x1c]
shrd edx, eax, 0x10
call fcn.0041d240
mov eax, dword [edi + 0x18]
mov cl, 0x20
mov edx, dword [edi + 0x1c]
call fcn.004cd2d0
mov edx, eax
mov ecx, esi
call fcn.0041d240
movzx edx, word [edi + 0x1e]
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 0x10]
mov ecx, esi
call fcn.0041d240
mov edx, dword [edi + 0x10]
mov ecx, esi
mov eax, dword [edi + 0x14]
shrd edx, eax, 0x10
call fcn.0041d240
mov eax, dword [edi + 0x10]
mov cl, 0x20
mov edx, dword [edi + 0x14]
call fcn.004cd2d0
mov edx, eax
mov ecx, esi
call fcn.0041d240
movzx edx, word [edi + 0x16]
mov ecx, esi
call fcn.0041d240
mov eax, dword [edi + 0x24]
test eax, eax
je 0x41c9b1
mov edx, dword [edi + 0x40]
mov ecx, esi
push eax
call fcn.0041d3b0
add esp, 4
pop edi
pop esi
pop ebx
ret
Function at 0x41d150
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test edx, edx
jne 0x41d157
xor eax, eax
ret
push esi
mov esi, dword [esp + 8]
not ecx
cmp esi, 8
jb 0x41d217
push edi
mov edi, esi
shr edi, 3
nop dword [eax]
movzx eax, byte [edx]
sub esi, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
sub edi, 1
jne 0x41d170
pop edi
test esi, esi
je 0x41d23a
nop dword [eax + eax]
movzx eax, byte [edx]
lea edx, [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d8010]
sub esi, 1
jne 0x41d220
not ecx
mov eax, ecx
pop esi
ret
Function at 0x41d240
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32
Write file on windows

Disassembly:
sub esp, 0xc
push edi
mov edi, ecx
mov dword [esp + 0xc], edx
cmp dword [edi + 0x20], 0
jne 0x41d39f
mov eax, edx
mov byte [esp + 4], dl
shr eax, 8
mov dword [esp + 8], eax
mov byte [esp + 5], al
mov eax, dword [edi]
test al, 0x10
je 0x41d327
push ebx
mov ebx, dword [edi + 0x38]
movsx eax, dl
xor eax, ebx
shr ebx, 8
movzx eax, al
push esi
mov esi, dword [edi + 0x40]
mov ecx, esi
and ecx, 0xfffd
xor ebx, dword [eax*4 + 0x4d8010]
or ecx, 2
movzx eax, bl
add eax, dword [edi + 0x3c]
imul edx, eax, 0x8088405
inc edx
mov eax, edx
shr eax, 0x18
xor eax, esi
shr esi, 8
movzx eax, al
xor esi, dword [eax*4 + 0x4d8010]
mov eax, ecx
xor eax, 1
imul eax, ecx
mov ecx, esi
and ecx, 0xfffd
or ecx, 2
shr eax, 8
xor al, byte [esp + 0x14]
mov byte [esp + 0xc], al
mov eax, dword [esp + 0x10]
movsx eax, al
xor eax, ebx
shr ebx, 8
movzx eax, al
xor ebx, dword [eax*4 + 0x4d8010]
movzx eax, bl
add eax, edx
mov dword [edi + 0x38], ebx
imul eax, eax, 0x8088405
inc eax
mov dword [edi + 0x3c], eax
shr eax, 0x18
xor eax, esi
shr esi, 8
movzx eax, al
xor esi, dword [eax*4 + 0x4d8010]
mov eax, ecx
xor eax, 1
mov dword [edi + 0x40], esi
imul eax, ecx
pop esi
pop ebx
shr eax, 8
xor al, byte [esp + 8]
mov byte [esp + 5], al
mov eax, dword [edi]
test al, 1
je 0x41d367
mov edx, dword [edi + 0x28]
mov ecx, edx
mov eax, dword [edi + 0x2c]
add ecx, 2
adc eax, 0
cmp eax, dword [edi + 0x34]
jb 0x41d351
ja 0x41d345
cmp ecx, dword [edi + 0x30]
jb 0x41d351
mov dword [edi + 0x20], 0xb
pop edi
add esp, 0xc
ret
mov ecx, dword [edi + 4]
mov ax, word [esp + 4]
mov word [edx + ecx], ax
add dword [edi + 0x28], 2
adc dword [edi + 0x2c], 0
jmp 0x41d390
push 0
lea eax, [esp + 0x10]
push eax
push 2
lea eax, [esp + 0x10]
push eax
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x41d389
cmp dword [esp + 0xc], 2
je 0x41d390
mov dword [edi + 0x20], 3
test dword [edi], 0x40000000
je 0x41d39f
mov dword [edi + 0x20], 0x14
pop edi
add esp, 0xc
ret
Function at 0x41d3b0
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32
Write file on windows

Disassembly:
push ebp
mov ebp, dword [esp + 8]
push esi
mov esi, ecx
push edi
mov edi, edx
test ebp, ebp
je 0x41d51b
cmp dword [esi + 0x20], 0
jne 0x41d51b
test byte [esi], 0x10
je 0x41d4a9
mov ecx, dword [esi + 0x44]
mov eax, ecx
test ecx, ecx
je 0x41d3f4
cmp dword [esi + 0x48], ebp
jae 0x41d3f4
push ecx
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov dword [esi + 0x44], 0
jmp 0x41d3f8
test eax, eax
jne 0x41d41e
lea eax, [ebp*2]
push eax
push 0
mov dword [esi + 0x48], eax
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov dword [esi + 0x44], eax
test eax, eax
jne 0x41d41e
mov dword [esi + 0x20], 2
jmp 0x41d50c
push ebp
push edi
push eax
call fcn.004b4620
xor edx, edx
add esp, 0xc
mov dword [esp + 0x10], edx
test ebp, ebp
je 0x41d4a6
push ebx
mov eax, dword [esi + 0x44]
mov ecx, dword [esi + 0x38]
mov bl, byte [edx + eax]
mov edx, dword [esi + 0x40]
mov edi, edx
movsx eax, bl
and edi, 0xfffd
xor eax, ecx
or edi, 2
movzx eax, al
shr ecx, 8
xor ecx, dword [eax*4 + 0x4d8010]
movzx eax, cl
add eax, dword [esi + 0x3c]
imul eax, eax, 0x8088405
mov dword [esi + 0x38], ecx
mov ecx, edi
xor ecx, 1
imul ecx, edi
inc eax
mov dword [esi + 0x3c], eax
shr eax, 0x18
xor eax, edx
shr ecx, 8
movzx eax, al
xor cl, bl
shr edx, 8
xor edx, dword [eax*4 + 0x4d8010]
mov dword [esi + 0x40], edx
mov edx, dword [esp + 0x14]
mov eax, dword [esi + 0x44]
mov byte [edx + eax], cl
inc edx
mov dword [esp + 0x14], edx
cmp edx, ebp
jb 0x41d434
pop ebx
mov edi, dword [esi + 0x44]
test byte [esi], 1
je 0x41d4e9
mov edx, dword [esi + 0x28]
mov ecx, edx
mov eax, dword [esi + 0x2c]
add ecx, ebp
adc eax, 0
cmp eax, dword [esi + 0x34]
jb 0x41d4d0
ja 0x41d4c7
cmp ecx, dword [esi + 0x30]
jb 0x41d4d0
mov dword [esi + 0x20], 0xb
jmp 0x41d50c
mov eax, dword [esi + 4]
push ebp
add eax, edx
push edi
push eax
call fcn.004b4620
add esp, 0xc
add dword [esi + 0x28], ebp
adc dword [esi + 0x2c], 0
jmp 0x41d50c
push 0
lea eax, [esp + 0x14]
push eax
push ebp
push edi
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x41d505
cmp dword [esp + 0x10], ebp
je 0x41d50c
mov dword [esi + 0x20], 3
test dword [esi], 0x40000000
je 0x41d51b
mov dword [esi + 0x20], 0x14
pop edi
pop esi
pop ebp
ret
Function at 0x41d650
Capabilities:
Read file on windows

Disassembly:
push ecx
push ebp
push esi
mov esi, ecx
mov ebp, edx
push edi
mov eax, dword [esi]
test eax, 0x40000000
je 0x41d66f
pop edi
mov dword [esi + 0x20], 0x14
xor eax, eax
pop esi
pop ebp
pop ecx
ret
test al, al
jns 0x41d6ba
mov eax, dword [esi + 0x74]
mov ecx, dword [esi + 0x70]
mov edi, dword [esi + 0x68]
cmp eax, dword [esi + 0x6c]
ja 0x41d6da
jb 0x41d687
cmp ecx, edi
jae 0x41d6da
mov eax, dword [esp + 0x14]
sub edi, ecx
mov dword [esp + 0xc], edi
push ebx
mov ebx, edi
cmp edi, eax
jbe 0x41d6a0
mov edi, eax
mov ebx, eax
mov dword [esp + 0x10], edi
mov eax, dword [esi + 0x64]
push ebx
add eax, ecx
push eax
push ebp
call fcn.004b4620
add esp, 0xc
add dword [esi + 0x70], ebx
adc dword [esi + 0x74], 0
pop ebx
jmp 0x41d6e5
push 0
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x1c]
push ebp
push dword [esi + 0x64]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x41d6e1
mov dword [esi + 0x20], 7
pop edi
pop esi
xor eax, eax
pop ebp
pop ecx
ret
mov edi, dword [esp + 0xc]
add dword [esi + 0x58], edi
mov edx, ebp
mov ecx, dword [esi + 0x60]
adc dword [esi + 0x5c], 0
push edi
call fcn.0041d150
add esp, 4
mov dword [esi + 0x60], eax
mov eax, edi
pop edi
pop esi
pop ebp
pop ecx
ret
Function at 0x41f9d0
Capabilities:
Accept command line arguments
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
mov eax, ecx
mov dword [ebp - 4], eax
push esi
mov esi, edx
push edi
test eax, eax
je 0x41fb26
cmp dword [eax + 0x18], 0
jne 0x41fb26
cmp dword [eax + 0x3c], 0
je 0x41fb26
cmp dword [eax + 0x1c], 0
je 0x41fb26
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov ebx, eax
lea edx, [eax + 1]
nop
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x41fa10
sub eax, edx
inc eax
lea ecx, [eax + 8]
cmp eax, ecx
sbb eax, eax
test ecx, eax
je 0x41faa3
mov ecx, ebx
lea edx, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x41fa30
sub ecx, edx
lea eax, [ecx + 1]
lea ecx, [eax + 8]
cmp eax, ecx
sbb edx, edx
and edx, ecx
mov ecx, ebx
lea edi, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x41fa50
sub ecx, edi
lea eax, [ecx + 1]
lea ecx, [eax + 8]
cmp edx, 0x400
ja 0x41fa83
cmp eax, ecx
sbb eax, eax
and eax, ecx
call fcn.004cd3d0
mov edi, esp
test edi, edi
je 0x41faa5
mov dword [edi], 0xcccc
add edi, 8
jmp 0x41faa5
cmp eax, ecx
sbb eax, eax
and eax, ecx
push eax
call fcn.004b6720
mov edi, eax
add esp, 4
test edi, edi
je 0x41faa5
mov dword [edi], 0xdddd
add edi, 8
jmp 0x41faa5
xor edi, edi
mov edx, edi
mov ecx, ebx
sub edx, ebx
nop dword [eax + eax]
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [edx + ecx - 1], al
test al, al
jne 0x41fab0
mov ecx, ebx
sub ecx, esi
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x41fac1
mov eax, dword [ebp - 4]
push 0
push 0
push 0
push dword [eax + 0x3c]
push 0
push 0
call fcn.004b9ffb
add esp, 0x18
mov esi, eax
push 0x64
push esi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov ecx, edi
sub ebx, edi
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [ebx + ecx - 1], al
test al, al
jne 0x41faf5
test edi, edi
je 0x41fb1a
add edi, 0xfffffff8
cmp dword [edi], 0xdddd
jne 0x41fb1a
push edi
call fcn.004b6427
add esp, 4
mov eax, esi
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
xor eax, eax
lea esp, [ebp - 0x10]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret