joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4ff0a0
Capabilities:
Parse pe header

Disassembly:
mov al, byte [esp + 4]
movsx ecx, al
add ecx, 0xffffff9f
cmp ecx, 0x19
ja case.default.0x4ff0af
jmp dword [ecx*4 + 0x4ff104]
mov al, 0x41
ret
mov al, 0x42
ret
mov al, 0x43
ret
mov al, 0x44
ret
mov al, 0x45
ret
mov al, 0x46
ret
mov al, 0x47
ret
mov al, 0x48
ret
mov al, 0x49
ret
mov al, 0x4a
ret
mov al, 0x4b
ret
mov al, 0x4c
ret
mov al, 0x4d
ret
mov al, 0x4e
ret
mov al, 0x4f
ret
mov al, 0x50
ret
mov al, 0x51
ret
mov al, 0x52
ret
mov al, 0x53
ret
mov al, 0x54
ret
mov al, 0x55
ret
mov al, 0x56
ret
mov al, 0x57
ret
mov al, 0x58
ret
mov al, 0x59
ret
mov al, 0x5a
ret

Function at 0x4ff290
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x568cb8]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.004d41ff
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4ff2f5
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4ff2f5
lea edx, [esp]
push edx
call dword [0x56a19c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004b8307
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.004b8307
add esp, 0x108
ret
jmp 0x4ff290

Function at 0x4ff310
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x568cb8]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.004d41ff
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4ff2f5
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4ff2f5
lea edx, [esp]
push edx
call dword [0x56a19c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004b8307
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.004b8307
add esp, 0x108
ret
jmp 0x4ff290
Function at 0x5039d0
Capabilities:
Check for time delay via gettickcount

Disassembly:
mov eax, dword [esp + 4]
push ebx
mov ebx, dword [eax + 0x2c]
push esi
push edi
mov edi, dword [ebx]
mov esi, dword [edi + 0x1ec]
test esi, esi
jne 0x5039e9
mov esi, dword [eax + 0x28]
mov ecx, dword [eax + 0x24]
mov edx, dword [eax + 0x20]
push ecx
push edx
call fcn.004e5270
push edx
push eax
call fcn.004e52a0
add esp, 0x10
sub esi, eax
cmp dword [edi + 0x1e0], 0
je 0x503a36
mov eax, dword [ebx + 0x148]
mov ecx, dword [ebx + 0x144]
push eax
push ecx
call fcn.004e5270
push edx
push eax
call fcn.004e52a0
mov ecx, dword [edi + 0x1e0]
sub ecx, eax
add esp, 0x10
cmp esi, ecx
mov eax, ecx
jge 0x503a38
mov eax, esi
pop edi
pop esi
pop ebx
ret
Function at 0x505d70
Capabilities:
Get hostname

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
push edi
push esi
mov byte [esi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [esi + edi - 1], 0
test eax, eax
jne 0x505da2
push 0x2e
push esi
call fcn.004ce4d0
add esp, 8
test eax, eax
je 0x505da0
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
ret

Function at 0x505f20
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x568cb8]
xor eax, esp
mov dword [esp + 0x20], eax
push ebp
mov ebp, dword [esp + 0x30]
push 0xf0000000
push 1
push 0
push 0
lea eax, [esp + 0x14]
push eax
mov dword [esp + 0x1c], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x505fca
xor eax, eax
mov dword [esp + 0x10], eax
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], eax
push esi
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], eax
lea esi, [esp + 0x20]
mov eax, ebp
mov byte [esp + 0x14], 8
mov byte [esp + 0x15], 2
mov dword [esp + 0x18], 0x6601
mov dword [esp + 0x1c], 8
call fcn.00505e80
mov ecx, esi
push 8
push ecx
call fcn.00508850
mov ecx, dword [esp + 0x10]
add esp, 8
lea edx, [esp + 0x10]
push edx
push 0
push 0
push 0x14
lea eax, [esp + 0x24]
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
pop esi
test eax, eax
jne 0x505fdc
mov edx, dword [esp + 4]
push eax
push edx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.004b8307
add esp, 0x24
ret
mov eax, dword [esp + 0x2c]
mov ecx, dword [eax]
mov dword [edi], ecx
mov edx, dword [eax + 4]
mov eax, dword [esp + 8]
push eax
lea ecx, [esp + 0xc]
push ecx
push edi
push 0
push 0
mov dword [edi + 4], edx
mov edx, dword [esp + 0x20]
push 0
push edx
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
mov eax, dword [esp + 0xc]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
mov ecx, dword [esp + 4]
push 0
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [esp + 0x24]
pop ebp
xor ecx, esp
mov eax, 1
call fcn.004b8307
add esp, 0x24
ret
Function at 0x506160
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
sub esp, 0xc
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x24]
mov eax, edi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x506170
sub eax, edx
mov esi, eax
lea ebp, [esi + esi]
push ebp
call dword [0x56a190]
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x506199
pop edi
pop esi
pop ebp
lea eax, [ebx + 0x1b]
pop ebx
add esp, 0xc
ret
mov ecx, ebx
call fcn.00508010
push 0xf0000000
push 1
push 0
push 0
lea eax, [esp + 0x24]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
mov esi, dword [esp + 0x28]
test eax, eax
je 0x50621f
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x10]
push ecx
push 0
push 0
push 0x8002
push edx
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x506212
mov eax, dword [esp + 0x10]
push 0
push ebp
push ebx
push eax
mov dword [esp + 0x28], 0x10
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
mov edx, dword [esp + 0x10]
push 0
lea ecx, [esp + 0x1c]
push ecx
push esi
push 2
push edx
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
mov ecx, dword [esp + 0x14]
push 0
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor eax, eax
mov dword [esi + 0x10], eax
push ebx
mov byte [esi + 0x14], al
call dword [0x56a194]
add esp, 4
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0xc
ret

Function at 0x506510
Capabilities:
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0xf0000000
push 1
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x506541
mov ecx, dword [esi]
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x8003
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
pop esi
ret

Function at 0x506550
Capabilities:
Hash data via wincrypt

Disassembly:
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
push 0
push eax
mov eax, dword [edx + 4]
push ecx
push eax
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
ret
Function at 0x5086e0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ecx
push esi
mov esi, dword [esp + 0xc]
mov eax, dword [esi + 0xc]
mov ecx, dword [esi + 0x14]
lea eax, [ecx + eax*2 + 0xc]
push edi
push eax
call dword [0x56a190]
mov edi, eax
add esp, 4
test edi, edi
jne 0x508705
pop edi
pop esi
pop ecx
ret
lea eax, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], eax
mov edx, dword [esi + 0xc]
push ebx
add edx, eax
push ebp
mov ebp, dword [esp + 0x20]
mov dword [edi + 8], edx
cmp ebp, dword [esi + 0x10]
jbe 0x50874c
push eax
mov eax, dword [esi]
call eax
mov ecx, dword [esp + 0x20]
mov edx, dword [edi + 4]
mov eax, dword [esi + 4]
push ebp
push ecx
push edx
call eax
mov ebx, dword [edi + 8]
mov ecx, dword [edi + 4]
add ebx, dword [esi + 0xc]
mov edx, dword [esi + 8]
push ecx
push ebx
call edx
mov ebp, dword [esi + 0x14]
add esp, 0x18
jmp 0x508750
mov ebx, dword [esp + 0x1c]
mov eax, dword [edi + 4]
mov ecx, dword [esi]
push eax
call ecx
mov edx, dword [edi + 8]
mov eax, dword [esi]
push edx
call eax
add esp, 8
mov dword [esp + 0x10], 0
test ebp, ebp
jbe 0x5087ae
mov dword [esp + 0x10], ebp
mov cl, byte [ebx]
xor cl, 0x36
mov byte [esp + 0x18], cl
mov eax, dword [edi + 4]
mov ecx, dword [esi + 4]
push 1
lea edx, [esp + 0x1c]
push edx
push eax
call ecx
mov dl, byte [ebx]
xor dl, 0x5c
mov byte [esp + 0x24], dl
mov ecx, dword [edi + 8]
mov edx, dword [esi + 4]
push 1
lea eax, [esp + 0x28]
push eax
push ecx
inc ebx
call edx
add esp, 0x18
sub ebp, 1
jne 0x508773
mov eax, dword [esp + 0x10]
pop ebp
pop ebx
cmp eax, dword [esi + 0x10]
jae 0x5087f1
lea esp, [esp]
mov ecx, dword [edi + 4]
mov edx, dword [esi + 4]
push 1
push 0x5329df
push ecx
call edx
mov eax, dword [edi + 8]
mov ecx, dword [esi + 4]
push 1
push 0x5329e0
push eax
call ecx
mov eax, dword [esp + 0x20]
inc eax
add esp, 0x18
mov dword [esp + 8], eax
cmp eax, dword [esi + 0x10]
jb 0x5087c0
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x50b0d0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
mov dword [ebp - 4], ecx
mov eax, dword [ebp - 4]
mov ecx, dword [ebp + 8]
mov dword [eax], ecx
mov edx, dword [ebp - 4]
movzx eax, byte [edx + 8]
test eax, eax
jne 0x50b10e
mov ecx, dword [ebp - 4]
mov byte [ecx + 8], 1
push 0
push 0
mov edx, dword [ebp - 4]
push edx
push 0x50b020
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [ebp - 4]
mov dword [ecx + 4], eax
mov al, 1
mov esp, ebp
pop ebp
ret 4

Function at 0x50cc10
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_GetNativeSystemInfo]
movzx ecx, word [ebp - 0x24]
cmp ecx, 9
je 0x50cc32
movzx edx, word [ebp - 0x24]
cmp edx, 6
jne 0x50cc36
mov al, 1
jmp 0x50cc38
xor al, al
mov esp, ebp
pop ebp
ret
Function at 0x50cf70
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x51493a
mov eax, dword fs:[0]
push eax
sub esp, 0x30
mov eax, dword [0x568cb8]
xor eax, ebp
mov dword [ebp - 0x10], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x3c], 0
lea ecx, [ebp - 0x2c]
call fcn.00402ab0
mov dword [ebp - 4], 0
mov dword [ebp - 0x34], 0
lea eax, [ebp - 0x34]
push eax
mov ecx, dword [ebp + 0x1c]
push ecx
push 0
mov edx, dword [ebp + 0x10]
push edx
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov dword [ebp - 0x30], eax
cmp dword [ebp - 0x30], 0
jne 0x50d014
mov dword [ebp - 0x38], 0
mov ecx, dword [ebp + 0x18]
push ecx
lea ecx, [ebp - 0x2c]
call fcn.004011a0
lea edx, [ebp + 0x18]
push edx
lea ecx, [ebp - 0x2c]
call fcn.00401180
push eax
lea eax, [ebp - 0x38]
push eax
push 0
mov ecx, dword [ebp + 0x14]
push ecx
mov edx, dword [ebp - 0x34]
push edx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
mov eax, dword [ebp - 0x34]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea ecx, [ebp - 0x2c]
call fcn.00401180
push eax
mov ecx, dword [ebp + 8]
call fcn.00403370
mov ecx, dword [ebp - 0x3c]
or ecx, 1
mov dword [ebp - 0x3c], ecx
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x2c]
call fcn.00402b40
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004b8307
mov esp, ebp
pop ebp
ret
Function at 0x50d060
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x51497f
mov eax, dword fs:[0]
push eax
sub esp, 0x8c
mov eax, dword [0x568cb8]
xor eax, ebp
mov dword [ebp - 0x10], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
lea ecx, [ebp - 0x2c]
call fcn.00402ab0
mov dword [ebp - 4], 0
cmp dword [ebp + 8], 0
je 0x50d156
mov eax, dword [ebp + 8]
push eax
lea ecx, [ebp - 0x48]
call fcn.00403370
mov dword [ebp - 0x84], eax
mov ecx, dword [ebp - 0x84]
mov dword [ebp - 0x88], ecx
mov byte [ebp - 4], 1
push 0x53b0b0
mov edx, dword [ebp - 0x88]
push edx
lea eax, [ebp - 0x64]
push eax
call fcn.004022d0
add esp, 0xc
mov dword [ebp - 0x8c], eax
mov ecx, dword [ebp - 0x8c]
mov dword [ebp - 0x90], ecx
mov byte [ebp - 4], 2
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 0x90]
push eax
lea ecx, [ebp - 0x80]
push ecx
call fcn.004022d0
add esp, 0xc
mov dword [ebp - 0x94], eax
mov edx, dword [ebp - 0x94]
mov dword [ebp - 0x98], edx
mov byte [ebp - 4], 3
mov eax, dword [ebp - 0x98]
push eax
lea ecx, [ebp - 0x2c]
call fcn.00401000
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x80]
call fcn.00402b40
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x64]
call fcn.00402b40
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x48]
call fcn.00402b40
jmp 0x50d162
mov ecx, dword [ebp + 0xc]
push ecx
lea ecx, [ebp - 0x2c]
call fcn.00402a70
mov edx, dword [ebp + 0x14]
push edx
mov eax, dword [ebp + 8]
push eax
mov ecx, dword [ebp + 0x10]
push ecx
lea ecx, [ebp - 0x2c]
call fcn.00402a90
push eax
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x2c]
call fcn.00402b40
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004b8307
mov esp, ebp
pop ebp
ret
Function at 0x50d3a0
Capabilities:
Enumerate processes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5149df
mov eax, dword fs:[0]
push eax
sub esp, 0x258
mov eax, dword [0x568cb8]
xor eax, ebp
mov dword [ebp - 0x14], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x244], 0
push 0x228
push 0
lea eax, [ebp - 0x240]
push eax
call fcn.004b83b0
add esp, 0xc
push 0
push 2
call sub.KERNEL32.dll_CreateToolhelp32Snapshot
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0xffffffff
jne 0x50d404
xor al, al
jmp 0x50d4ab
mov dword [ebp - 0x244], 0x22c
lea ecx, [ebp - 0x244]
push ecx
mov edx, dword [ebp - 0x10]
push edx
call sub.KERNEL32.dll_Process32FirstW
test eax, eax
je 0x50d49f
lea eax, [ebp - 0x220]
push eax
lea ecx, [ebp - 0x260]
push ecx
call fcn.0050cd40
add esp, 8
mov dword [ebp - 4], 0
mov ecx, dword [ebp + 8]
call fcn.00402a90
push eax
lea ecx, [ebp - 0x260]
call fcn.00402a90
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
jne 0x50d479
mov edx, dword [ebp - 0x23c]
mov dword [ebp - 0x264], edx
lea eax, [ebp - 0x264]
push eax
mov ecx, dword [ebp + 0xc]
call fcn.004013f0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x260]
call fcn.00402b40
lea ecx, [ebp - 0x244]
push ecx
mov edx, dword [ebp - 0x10]
push edx
call sub.KERNEL32.dll_Process32NextW
test eax, eax
jne 0x50d422
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.004b8307
mov esp, ebp
pop ebp
ret

Function at 0x50d4d0
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x114
mov eax, dword [0x568cb8]
xor eax, ebp
mov dword [ebp - 4], eax
mov dword [ebp - 0x114], 0
mov byte [ebp - 0x110], 0
push 0x103
push 0
lea eax, [ebp - 0x10f]
push eax
call fcn.004b83b0
add esp, 0xc
push 0
mov ecx, dword [ebp + 0xc]
push ecx
lea edx, [ebp - 0x110]
push edx
push 0
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathA]
lea eax, [ebp - 0x110]
push eax
mov ecx, dword [ebp + 8]
call fcn.00403370
mov ecx, dword [ebp - 0x114]
or ecx, 1
mov dword [ebp - 0x114], ecx
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b8307
mov esp, ebp
pop ebp
ret

Function at 0x50d680
Capabilities:
Clear file content

Disassembly:
push ebp
mov ebp, esp
push ecx
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x50d6e6
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 0x20]
mov edx, dword [ebp - 4]
mov eax, dword [edx + 0x20]
add eax, 1
mov edx, dword [ebp - 4]
mov dword [edx + 0x20], eax
cmp ecx, 0x186a0
jl 0x50d6cd
push 0
mov ecx, dword [ebp - 4]
call fcn.0050a9f0
mov ecx, dword [ebp - 4]
call fcn.0050aa20
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
mov eax, dword [ebp - 4]
mov dword [eax + 0x20], 0
mov ecx, dword [ebp + 8]
push ecx
call fcn.004b8320
add esp, 4
push eax
mov edx, dword [ebp + 8]
push edx
mov ecx, dword [ebp - 4]
call fcn.0050aa50
mov esp, ebp
pop ebp
ret 4
Function at 0x4035ac
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x4b3008], 0x8088405
inc edx
mov dword [ebx + 0x4b3008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x41cb84
Capabilities:
Decompress data using aplib

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push ebp
mov esi, dword [ebp - 4]
mov edi, dword [ebp - 8]
cld
mov dl, 0x80
mov al, byte [esi]
add esi, 1
mov byte [edi], al
add edi, 1
mov ebx, 2
add dl, dl
jne 0x41cbb5
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cb9d
add dl, dl
jne 0x41cbc0
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cc11
xor eax, eax
add dl, dl
jne 0x41cbcd
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41ccae
add dl, dl
jne 0x41cbdc
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cbe7
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cbf2
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cbfd
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x41cc07
mov ebx, edi
sub ebx, eax
mov al, byte [ebx]
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x41cbac
mov eax, 1
add dl, dl
jne 0x41cc1f
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cc2a
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cc16
sub eax, ebx
mov ebx, 1
jne 0x41cc5d
mov ecx, 1
add dl, dl
jne 0x41cc43
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41cc4e
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cc3a
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cbac
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x41cc74
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41cc7f
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cc6b
cmp eax, 0x7d00
sbb ecx, 0xffffffff
cmp eax, 0x500
sbb ecx, 0xffffffff
cmp eax, 0x80
adc ecx, 0
cmp eax, 0x80
adc ecx, 0
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cbac
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x41cccf
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x41cbac
pop ebp
sub edi, dword [ebp - 8]
mov dword [ebp - 0xc], edi
pop edi
pop esi
pop ebx
mov eax, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret
Function at 0x41dffc
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
mov dword [ebp - 4], edx
mov ebx, eax
xor eax, eax
push ebp
push 0x49e4bb
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [ebp - 8], eax
mov ecx, ebx
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, dword [ecx + 0x3c]
cdq
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov edx, dword [eax + 0x78]
test edx, edx
je 0x41e0ad
add edx, ebx
mov eax, edx
mov esi, dword [eax + 0x18]
mov edx, dword [eax + 0x1c]
add edx, ebx
mov dword [ebp - 0x10], edx
mov edi, dword [eax + 0x20]
add edi, ebx
mov edx, dword [eax + 0x24]
add edx, ebx
mov dword [ebp - 0xc], edx
mov edx, dword [ebp - 4]
cmp edx, 0xffff
jbe 0x41e096
test esi, esi
jbe 0x41e0ad
mov eax, dword [edi]
add eax, ebx
mov edx, dword [ebp - 4]
call fcn.004088a4
test eax, eax
jne 0x41e088
mov eax, dword [ebp - 0xc]
movzx eax, word [eax]
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
jmp 0x41e0ad
add dword [ebp - 0xc], 2
add edi, 4
dec esi
test esi, esi
ja 0x41e065
jmp 0x41e0ad
mov ecx, edx
sub ecx, dword [eax + 0x10]
cmp ecx, dword [eax + 0x14]
jae 0x41e0ad
mov eax, ecx
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x49e4c2
ret
Function at 0x41e8f0
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 8], ecx
mov word [ebp - 2], dx
xor eax, eax
push ebp
push 0x49ee9f
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp + 8]
call fcn.00404cd0
xor ebx, ebx
mov eax, ebx
and eax, 0x80000001
jns 0x41e92b
dec eax
or eax, 0xfffffffe
inc eax
test eax, eax
jne 0x41e944
lea eax, [ebp - 0x10]
mov edx, dword [0x4b523c]
mov edx, dword [edx]
mov edx, dword [edx + 0xc]
call fcn.00404d30
jmp 0x41e957
lea eax, [ebp - 0x10]
mov edx, dword [0x4b523c]
mov edx, dword [edx]
mov edx, dword [edx + 0x10]
call fcn.00404d30
lea eax, [ebp - 0x10]
mov edx, ebx
sar edx, 1
jns 0x41e963
adc edx, 0
mov edx, dword [edx*4 + 0x4b40d0]
call fcn.00404f20
push 0
push 0x80
push 3
push 0
push 1
push 0x80000000
mov eax, dword [ebp - 0x10]
call fcn.00404f04
push eax
call fcn.00406af4
mov esi, eax
cmp esi, 0xffffffff
je 0x41ea71
mov eax, 0x40
call fcn.00403268
mov edi, eax
push 0
lea eax, [ebp - 0xc]
push eax
push 0x40
push edi
push esi
call fcn.00406d3c
test eax, eax
je 0x41ea64
mov eax, edi
cmp word [eax], 0x5a4d
jne 0x41ea64
push 0
push 0
mov eax, dword [eax + 0x3c]
push eax
push esi
call fcn.00406d94
mov eax, edi
call fcn.00403288
mov eax, 0x18
call fcn.00403268
mov edi, eax
push 0
lea eax, [ebp - 0xc]
push eax
push 0x18
push edi
push esi
call fcn.00406d3c
test eax, eax
je 0x41ea64
mov eax, edi
cmp dword [eax], 0x4550
jne 0x41ea64
add eax, 4
mov dx, word [eax]
cmp dx, 0x14c
jb 0x41ea64
cmp dx, 0x150
ja 0x41ea64
mov eax, edi
call fcn.00403288
mov eax, 0xe0
call fcn.00403268
mov edi, eax
push 0
lea eax, [ebp - 0xc]
push eax
push 0xe0
push edi
push esi
call fcn.00406d3c
test eax, eax
je 0x41ea64
mov eax, edi
mov dx, word [eax + 0x44]
cmp dx, word [ebp - 2]
jne 0x41ea64
mov eax, dword [eax + 0x10]
mov edx, dword [ebp - 8]
mov dword [edx], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp - 0x10]
call fcn.00404d0c
mov eax, edi
call fcn.00403288
push esi
call fcn.00406aac
mov eax, dword [ebp + 8]
mov eax, dword [eax]
xor edx, edx
call fcn.0040502c
jne 0x41ea89
inc ebx
cmp ebx, 0x19
jne 0x41e91d
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x49eea6
lea eax, [ebp - 0x10]
call fcn.00404cd0
ret
Function at 0x402e40
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x455008], 0x8088405
inc edx
mov dword [ebx + 0x455008], edx
fld qword [ebx + 0x455058]
push 0
push edx
fild qword [esp]
add esp, 8
fmulp st(1)
pop ebx
ret

Function at 0x40361c
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x455010]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x4036b4
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x403694
xor eax, eax
push ebp
push 0x40368d
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x4036d0
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x403694
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
mov ax, word [0x455010]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x455010], ax
mov esp, ebp
pop ebp
ret

Function at 0x404394
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x457048], 0
je 0x4043f5
cmp word [0x45721c], 0xd7b2
jne 0x4043bd
cmp dword [0x457224], 0
jbe 0x4043bd
mov eax, 0x457218
call dword [0x457234]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0x45508c
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x40441c
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x455020], 0
jne 0x404411
push 0
push 0x4550ac
push 0x45508c
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret