joyce8/EMBER2024-capa huggingface dataset:
Function at 0x41fea0
Capabilities:
Log keystrokes

Disassembly:
push ebx
mov ebx, ecx
movzx edx, bx
mov eax, edx
cmp edx, 0x11c
ja 0x41ff18
je 0x41ff14
sub eax, 0x1d
cmp eax, 0x36
ja case.0x41ff29.286
movzx eax, byte [eax + 0x41ffcc]
jmp dword [eax*4 + 0x41ff80]
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.0x41ff29.286
movzx eax, byte [eax + 0x42002c]
jmp dword [eax*4 + 0x420004]
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 0x41ff71
movzx eax, dl
push 1
or eax, 0xe000
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyW]
test eax, eax
jne 0x41ff7d
push 1
movzx eax, bl
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyW]
pop ebx
ret
Function at 0x421df0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push esi
mov esi, dword [esp + 8]
not ecx
cmp esi, 8
jb 0x421ead
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 + 0x4d2f08]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
sub edi, 1
jne 0x421e06
pop edi
test esi, esi
je 0x421ecb
movzx eax, byte [edx]
lea edx, [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
sub esi, 1
jne 0x421eb1
not ecx
mov eax, ecx
pop esi
ret

Function at 0x4222d0
Capabilities:
Read file on windows

Disassembly:
push ecx
push esi
mov esi, ecx
test byte [esi], 1
jne 0x422303
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 0x4222fc
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 0x422328
ja 0x422324
cmp ebp, ecx
jbe 0x422328
mov edi, ecx
sub edi, ebx
mov ecx, dword [esi + 4]
push edi
add ecx, ebx
push ecx
push edx
call sub.VCRUNTIME140.dll_memcpy
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 0x4236e0
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 0x423716
cmp byte [ecx + 1], 0x3a
jne 0x423716
mov al, byte [ecx + 2]
add ecx, 2
mov dl, al
cmp al, 0x5c
jne 0x42371f
mov dl, byte [ecx + 1]
lea esi, [ecx + 1]
cmovne esi, ecx
test dl, dl
je 0x423778
mov al, byte [esi]
mov ebp, dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
test al, al
je 0x42374c
nop dword [eax + eax]
cmp al, 0x5c
je 0x423785
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x423740
xor esi, esi
test ebx, ebx
je 0x423778
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x14]
call ebp
test eax, eax
jne 0x42376a
call edi
cmp eax, 0xb7
jne 0x42378a
test esi, esi
je 0x423778
mov byte [esi], 0x5c
inc esi
mov al, byte [esi]
test al, al
jne 0x423740
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x10
ret
mov byte [esi], 0
jmp 0x423752
test esi, esi
je 0x423791
mov byte [esi], 0x5c
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x10
ret

Function at 0x4237a0
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 0x4237dd
cmp word [ecx + 2], 0x3a
jne 0x4237dd
movzx eax, word [ecx + 4]
add ecx, 4
movzx edi, ax
movzx edx, ax
cmp ax, 0x5c
jne 0x4237ed
movzx edx, word [ecx + 2]
cmp edi, 0x5c
lea esi, [ecx + 2]
cmovne esi, ecx
test dx, dx
je 0x423861
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 0x42382a
cmp ax, 0x5c
je 0x42386e
movzx eax, word [esi + 2]
add esi, 2
test ax, ax
jne 0x423818
xor esi, esi
test ebx, ebx
je 0x423861
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x14]
call ebp
test eax, eax
jne 0x423848
call edi
cmp eax, 0xb7
jne 0x423875
test esi, esi
je 0x423861
mov eax, 0x5c
mov word [esi], ax
add esi, 2
movzx eax, word [esi]
mov ecx, eax
test ax, ax
jne 0x423810
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x10
ret
xor eax, eax
mov word [esi], ax
jmp 0x423830
test esi, esi
je 0x423881
mov eax, 0x5c
mov word [esi], ax
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x10
ret
Function at 0x423890
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 0x423a9f
mov eax, dword [esi + 0x30]
and eax, dword [esi + 0x34]
cmp eax, 0xffffffff
je 0x423a9f
mov ebx, dword [ebp + 0xc]
mov dword [esi + 8], 0
test bl, 1
je 0x423942
cmp word [esi + 0x70], 0
mov ebx, dword [ebp + 8]
jne 0x4238f3
mov edx, ebx
mov ecx, esi
call fcn.004229d0
cmp dword [esi + 8], 0
jne 0x423a8e
mov eax, 1
mov word [esi + 0x70], ax
push dword [ebx + 0x2c]
mov edx, edi
mov ecx, esi
push dword [ebx + 0x28]
call fcn.00422ce0
add esp, 8
mov dword [ebx + 0x28], eax
mov dword [ebx + 0x2c], edx
cmp dword [esi + 8], 0
jne 0x42392b
mov eax, dword [esi + 0xe8]
or eax, dword [esi + 0xec]
je 0x42392b
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.004228b0
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 0x423978
test bl, 2
je 0x42396f
mov edx, 1
mov ecx, edi
test ebx, ebx
jns 0x423962
call fcn.004237a0
jmp 0x423967
call fcn.004236e0
test eax, eax
je 0x423a87
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp ebx, 4
je 0x4239c5
xor edx, edx
mov ecx, edi
test ebx, ebx
jns 0x42398c
call fcn.004237a0
jmp 0x423991
call fcn.004236e0
test eax, eax
je 0x423a87
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 0x4239ba
call dword [sym.imp.KERNEL32.dll_CreateFileW]
jmp 0x4239c0
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
mov eax, dword [ebp + 8]
cmp edi, 0xffffffff
je 0x423a87
mov edx, eax
mov ecx, esi
call fcn.004229d0
cmp dword [esi + 8], 0
jne 0x423a6a
cmp dword [esi + 0x4c], 0
jne 0x423a02
push 0x4000
push 0
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov dword [esi + 0x4c], eax
test eax, eax
jne 0x423a02
mov dword [esi + 8], 2
cmp dword [esi + 8], 0
jne 0x423a6a
mov edx, dword [esi + 0x4c]
mov ecx, esi
push 0
push 0x4000
call fcn.00422ce0
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x423a4b
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 0x423a3e
cmp dword [esp + 0xc], ebx
je 0x423a45
mov dword [esi + 8], 3
cmp dword [esi + 8], 0
je 0x423a08
cmp dword [esi + 8], 0
mov ebx, dword [ebp + 0xc]
jne 0x423a6a
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 0x423a8e
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, esi
call fcn.004228b0
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.004228b0
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 0x424580
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 0x4245aa
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 ecx, esi
or ecx, 2
test bl, 2
cmove ecx, esi
mov edx, ecx
or edx, 4
test bl, 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
test 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 0x424611
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 0x4246f2
mov eax, dword [edi + 0x18]
or eax, dword [edi + 0x1c]
jne 0x4246f2
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 0x4246e7
cmp dword [edi + 0x54], 0
mov eax, dword [esp + 0x18]
lea ecx, [eax + 0x34]
jb 0x4246e7
ja 0x4246a0
cmp dword [edi + 0x50], ecx
jbe 0x4246e7
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 0x4246e1
cmp eax, 0x454e
je 0x4246e1
cmp eax, 0x454c
je 0x4246e1
cmp eax, 0x4550
jne 0x4246e7
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.004cd350
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.004cd350
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.004cd350
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 0x4262d0
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 0x42632b
mov edx, 0x8b1f
call fcn.00426dc0
mov edx, 0x808
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 4]
mov ecx, esi
call fcn.00426dc0
movzx edx, word [edi + 6]
mov ecx, esi
call fcn.00426dc0
mov edx, 0xb02
mov ecx, esi
call fcn.00426dc0
mov eax, dword [edi + 0x20]
lea edx, [edi + 0x48]
inc eax
mov ecx, esi
push eax
call fcn.00426f30
add esp, 4
pop edi
pop esi
pop ebx
ret
mov edx, 0x4034b50
call fcn.00426dc0
mov edx, 0x403
mov ecx, esi
call fcn.00426dc0
mov edx, 0x2d
mov ecx, esi
call fcn.00426dc0
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.00426dc0
movzx edx, word [edi + 2]
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 4]
mov ecx, esi
call fcn.00426dc0
movzx edx, word [edi + 6]
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 8]
mov ecx, esi
call fcn.00426dc0
movzx edx, word [edi + 0xa]
mov ecx, esi
call fcn.00426dc0
or edx, 0xffffffff
mov ecx, esi
call fcn.00426dc0
or edx, 0xffffffff
mov ecx, esi
call fcn.00426dc0
or edx, 0xffffffff
mov ecx, esi
call fcn.00426dc0
or edx, 0xffffffff
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 0x20]
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 0x24]
mov ecx, esi
add edx, 0x14
call fcn.00426dc0
push dword [edi + 0x20]
lea edx, [edi + 0x48]
mov ecx, esi
call fcn.00426f30
add esp, 4
mov edx, 1
mov ecx, esi
call fcn.00426dc0
mov edx, 0x10
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 0x18]
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 0x18]
mov ecx, esi
mov eax, dword [edi + 0x1c]
shrd edx, eax, 0x10
call fcn.00426dc0
mov eax, dword [edi + 0x18]
mov cl, 0x20
mov edx, dword [edi + 0x1c]
call fcn.004cd620
mov edx, eax
mov ecx, esi
call fcn.00426dc0
movzx edx, word [edi + 0x1e]
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 0x10]
mov ecx, esi
call fcn.00426dc0
mov edx, dword [edi + 0x10]
mov ecx, esi
mov eax, dword [edi + 0x14]
shrd edx, eax, 0x10
call fcn.00426dc0
mov eax, dword [edi + 0x10]
mov cl, 0x20
mov edx, dword [edi + 0x14]
call fcn.004cd620
mov edx, eax
mov ecx, esi
call fcn.00426dc0
movzx edx, word [edi + 0x16]
mov ecx, esi
call fcn.00426dc0
mov eax, dword [edi + 0x24]
test eax, eax
je 0x426481
mov edx, dword [edi + 0x40]
mov ecx, esi
push eax
call fcn.00426f30
add esp, 4
pop edi
pop esi
pop ebx
ret
Function at 0x426cd0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test edx, edx
jne 0x426cd7
xor eax, eax
ret
push esi
mov esi, dword [esp + 8]
not ecx
cmp esi, 8
jb 0x426d97
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 + 0x4d2f08]
movzx eax, byte [edx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 2]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 3]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 4]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 5]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 6]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
movzx eax, byte [edx + 7]
add edx, 8
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4d2f08]
sub edi, 1
jne 0x426cf0
pop edi
test esi, esi
je 0x426dba
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 + 0x4d2f08]
sub esi, 1
jne 0x426da0
not ecx
mov eax, ecx
pop esi
ret
Function at 0x426dc0
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 0x426f1d
mov eax, edx
mov byte [esp + 4], dl
shr eax, 8
test byte [edi], 0x10
mov dword [esp + 8], eax
mov byte [esp + 5], al
je 0x426ea4
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 + 0x4d2f08]
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 + 0x4d2f08]
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 + 0x4d2f08]
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 + 0x4d2f08]
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
test byte [edi], 1
je 0x426ee5
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 0x426ecf
ja 0x426ec3
cmp ecx, dword [edi + 0x30]
jb 0x426ecf
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 0x426f0e
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 0x426f07
cmp dword [esp + 0xc], 2
je 0x426f0e
mov dword [edi + 0x20], 3
test dword [edi], 0x40000000
je 0x426f1d
mov dword [edi + 0x20], 0x14
pop edi
add esp, 0xc
ret
Function at 0x426f30
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 0x42709b
cmp dword [esi + 0x20], 0
jne 0x42709b
test byte [esi], 0x10
je 0x427029
mov ecx, dword [esi + 0x44]
mov eax, ecx
test ecx, ecx
je 0x426f74
cmp dword [esi + 0x48], ebp
jae 0x426f74
push ecx
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov dword [esi + 0x44], 0
jmp 0x426f78
test eax, eax
jne 0x426f9e
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 0x426f9e
mov dword [esi + 0x20], 2
jmp 0x42708c
push ebp
push edi
push eax
call sub.VCRUNTIME140.dll_memcpy
xor edx, edx
add esp, 0xc
mov dword [esp + 0x10], edx
test ebp, ebp
je 0x427026
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 + 0x4d2f08]
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 + 0x4d2f08]
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 0x426fb4
pop ebx
mov edi, dword [esi + 0x44]
test byte [esi], 1
je 0x427069
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 0x427050
ja 0x427047
cmp ecx, dword [esi + 0x30]
jb 0x427050
mov dword [esi + 0x20], 0xb
jmp 0x42708c
mov eax, dword [esi + 4]
push ebp
add eax, edx
push edi
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
add dword [esi + 0x28], ebp
adc dword [esi + 0x2c], 0
jmp 0x42708c
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 0x427085
cmp dword [esp + 0x10], ebp
je 0x42708c
mov dword [esi + 0x20], 3
test dword [esi], 0x40000000
je 0x42709b
mov dword [esi + 0x20], 0x14
pop edi
pop esi
pop ebp
ret
Function at 0x4271d0
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 0x4271ef
pop edi
mov dword [esi + 0x20], 0x14
xor eax, eax
pop esi
pop ebp
pop ecx
ret
test al, al
jns 0x42723a
mov eax, dword [esi + 0x74]
mov ecx, dword [esi + 0x70]
mov edi, dword [esi + 0x68]
cmp eax, dword [esi + 0x6c]
ja 0x42725a
jb 0x427207
cmp ecx, edi
jae 0x42725a
mov eax, dword [esp + 0x14]
sub edi, ecx
mov dword [esp + 0xc], edi
push ebx
mov ebx, edi
cmp edi, eax
jbe 0x427220
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 sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
add dword [esi + 0x70], ebx
adc dword [esi + 0x74], 0
pop ebx
jmp 0x427265
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 0x427261
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.00426cd0
add esp, 4
mov dword [esi + 0x60], eax
mov eax, edi
pop edi
pop esi
pop ebp
pop ecx
ret
Function at 0x429570
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 0x4296f5
cmp dword [eax + 0x18], 0
jne 0x4296f5
cmp dword [eax + 0x3c], 0
je 0x4296f5
cmp dword [eax + 0x1c], 0
je 0x4296f5
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov ebx, eax
lea edx, [eax + 2]
nop
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x4295b0
sub eax, edx
sar eax, 1
lea eax, [eax*2 + 2]
lea ecx, [eax + 8]
cmp eax, ecx
sbb eax, eax
test ecx, eax
je 0x429662
mov ecx, ebx
lea edx, [ecx + 2]
nop word [eax + eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4295e0
sub ecx, edx
sar ecx, 1
lea eax, [ecx*2 + 2]
lea ecx, [eax + 8]
cmp eax, ecx
sbb edx, edx
and edx, ecx
mov ecx, ebx
lea edi, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x429604
sub ecx, edi
sar ecx, 1
lea eax, [ecx*2 + 2]
lea ecx, [eax + 8]
cmp edx, 0x400
ja 0x429641
cmp eax, ecx
sbb eax, eax
and eax, ecx
call fcn.004cd470
mov edi, esp
test edi, edi
je 0x429664
mov dword [edi], 0xcccc
add edi, 8
jmp 0x429664
cmp eax, ecx
sbb eax, eax
and eax, ecx
push eax
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov edi, eax
add esp, 4
test edi, edi
je 0x429664
mov dword [edi], 0xdddd
add edi, 8
jmp 0x429664
xor edi, edi
mov edx, edi
mov ecx, ebx
sub edx, ebx
nop word [eax + eax]
movzx eax, word [ecx]
lea ecx, [ecx + 2]
mov word [edx + ecx - 2], ax
test ax, ax
jne 0x429670
mov ecx, ebx
sub ecx, esi
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x429684
mov eax, dword [ebp - 4]
push 0
push 0
push 0
push dword [eax + 0x3c]
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
add esp, 0x18
mov esi, eax
push 0x64
push esi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov ecx, edi
sub ebx, edi
nop dword [eax]
movzx eax, word [ecx]
lea ecx, [ecx + 2]
mov word [ebx + ecx - 2], ax
test ax, ax
jne 0x4296c0
test edi, edi
je 0x4296e9
add edi, 0xfffffff8
cmp dword [edi], 0xdddd
jne 0x4296e9
push edi
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
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