joyce8/EMBER2024-capa huggingface dataset:
Function at 0x52b690
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x62b260
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov dword [ebp - 0x10], esp
xor eax, eax
push 0x69cacc
lea ecx, [esi + 0x20]
mov dword [ebp - 0x14], esi
mov dword [esi + 0xc], esi
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], eax
mov dword [esi + 0x18], eax
mov dword [esi + 0x1c], eax
mov dword [esi + 0x30], eax
mov dword [esi + 0x24], edi
call fcn.005ef3cc
mov eax, dword [ebp + 0xc]
lea ebx, [esi + 0x28]
push eax
mov ecx, ebx
call fcn.005ef3cc
mov ecx, ebx
call fcn.005e7205
mov ecx, ebx
call fcn.005e7114
mov edx, dword [edi]
mov ecx, edi
call dword [edx + 0x30]
test eax, eax
jne 0x52b722
mov dword [esi + 0x2c], eax
mov dword [esi + 8], eax
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
mov ecx, dword [esi + 4]
push 0
push edi
mov dword [esi + 0x2c], 1
mov dword [ebp - 4], 0
call fcn.00537960
mov ecx, dword [esi + 4]
call fcn.00537b50
mov ecx, dword [esi + 4]
push 0
mov dword [esi + 8], eax
call fcn.00538280
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x534380
Capabilities:
Get user security identifier

Disassembly:
mov eax, dword [0x6a7dec]
sub esp, 0x120
push ebx
xor ebx, ebx
push ebp
cmp eax, ebx
push edi
jne 0x5343cc
mov ecx, 0x44
xor eax, eax
lea edi, [esp + 0x1c]
rep stosd dword es:[edi], eax
lea eax, [esp + 0x18]
mov dword [esp + 0x18], 0x114
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
mov ecx, dword [esp + 0x28]
mov eax, 1
cmp ecx, 2
jne 0x5343c7
mov dword [0x6a7df0], eax
mov dword [0x6a7dec], eax
cmp dword [0x6a7df0], ebx
jne 0x5343e0
pop edi
pop ebp
xor eax, eax
pop ebx
add esp, 0x120
ret
mov ebp, dword [esp + 0x130]
mov edi, dword [esp + 0x134]
lea ecx, [esp + 0x14]
lea edx, [esp + 0x10]
push ecx
push edx
lea eax, [esp + 0x14]
push ebx
push eax
push ebx
push ebp
push ebx
mov dword [esp + 0x28], ebx
mov dword [esp + 0x2c], ebx
mov dword [edi], ebx
call dword [sym.imp.ADVAPI32.dll_LookupAccountNameW]
test eax, eax
jne 0x53442c
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x7a
je 0x53442c
pop edi
pop ebp
xor eax, eax
pop ebx
add esp, 0x120
ret
mov ecx, dword [esp + 0xc]
push esi
push ecx
call fcn.005eef68
mov edx, dword [esp + 0x18]
mov dword [edi], eax
lea eax, [edx + edx]
push eax
call fcn.005eef68
mov esi, eax
mov eax, dword [edi]
add esp, 8
test eax, eax
je 0x534471
test esi, esi
je 0x534482
lea ecx, [esp + 0x18]
lea edx, [esp + 0x14]
push ecx
push edx
lea ecx, [esp + 0x18]
push esi
push ecx
push eax
push ebp
push 0
call dword [sym.imp.ADVAPI32.dll_LookupAccountNameW]
mov ebx, eax
test esi, esi
je 0x53447e
push esi
call fcn.005eef91
add esp, 4
test ebx, ebx
jne 0x534491
mov edi, dword [edi]
test edi, edi
je 0x534491
push edi
call fcn.005eef91
add esp, 4
pop esi
pop edi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x120
ret
Function at 0x534ba0
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x62b5e8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x150
mov eax, dword [0x6a7d94]
push ebx
push esi
xor esi, esi
push edi
cmp eax, esi
mov dword [ebp - 0x10], esp
jne 0x534d8b
push 1
push 0x6a7da0
call dword [sym.imp.ADVAPI32.dll_InitializeSecurityDescriptor]
push esi
push esi
push 1
push 0x6a7da0
call dword [sym.imp.ADVAPI32.dll_SetSecurityDescriptorDacl]
lea ecx, [ebp - 0x34]
mov dword [0x6a7db8], 0xc
mov dword [0x6a7dc0], esi
mov dword [0x6a7dbc], 0x6a7da0
call fcn.0044cc90
lea ecx, [ebp - 0x48]
mov dword [ebp - 4], esi
call fcn.005eafb2
mov eax, dword [0x6a7df4]
mov byte [ebp - 4], 1
cmp eax, esi
mov dword [ebp - 0x24], str.S_1_1_0
mov dword [ebp - 0x20], str.S_1_15_2_1
mov dword [ebp - 0x1c], str.S_1_15_2_2
mov ebx, 3
jne 0x534ca1
mov ecx, 0x44
xor eax, eax
lea edi, [ebp - 0x158]
rep stosd dword es:[edi], eax
lea eax, [ebp - 0x15c]
mov dword [ebp - 0x15c], 0x114
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
mov eax, dword [ebp - 0x14c]
mov ecx, 2
cmp eax, ecx
jne 0x534c97
mov eax, dword [ebp - 0x158]
cmp eax, 6
ja 0x534c8d
jne 0x534c97
cmp dword [ebp - 0x154], ecx
jb 0x534c97
mov dword [0x6a7df8], 1
mov dword [0x6a7df4], 1
cmp dword [0x6a7df8], esi
jne 0x534cae
mov ebx, 1
cmp ebx, esi
jle 0x534cf5
lea esi, [ebp - 0x24]
mov edi, ebx
mov ecx, dword [esi]
push ecx
lea ecx, [ebp - 0x14]
call fcn.00445810
mov edx, dword [ebp - 0x30]
push eax
push edx
lea ecx, [ebp - 0x34]
mov byte [ebp - 4], 2
call fcn.0044d3f0
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 1
call fcn.00446080
mov eax, dword [ebp - 0x40]
push 0xffffffffffffffff
push eax
lea ecx, [ebp - 0x48]
call fcn.005eb1d6
add esi, 4
dec edi
jne 0x534cb7
xor esi, esi
lea ecx, [ebp - 0x48]
lea edx, [ebp - 0x34]
push ecx
push edx
push 0x6a7dd8
mov byte [ebp - 4], 3
call fcn.00534760
add esp, 0xc
cmp eax, esi
jne 0x534d49
lea eax, [ebp - 0x18]
push 0x65d070
push eax
mov dword [ebp - 0x18], esi
call fcn.0042bd82
push 1
push 0x6a7dd8
call dword [sym.imp.ADVAPI32.dll_InitializeSecurityDescriptor]
push 0
push 0
push 1
push 0x6a7dd8
call dword [sym.imp.ADVAPI32.dll_SetSecurityDescriptorDacl]
mov eax, 0x534d47
ret
mov eax, 1
lea ecx, [ebp - 0x48]
mov dword [ebp - 4], eax
mov dword [0x6a7dc8], 0xc
mov dword [0x6a7dd0], esi
mov dword [0x6a7dcc], 0x6a7dd8
mov dword [0x6a7d94], eax
mov byte [ebp - 4], 0
call fcn.005eafe5
lea ecx, [ebp - 0x34]
mov dword [ebp - 4], 0xffffffff
call fcn.0044cca0
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x536960
Capabilities:
Get disk information

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x62b740
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push ebp
push esi
mov esi, dword [esp + 0x34]
push edi
push 0xffffffffffffffff
push 0
mov ecx, esi
call fcn.0044cd60
mov edi, dword [esp + 0x3c]
push 0xffffffffffffffff
push 0
mov ecx, edi
call fcn.0044cd60
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov ebp, eax
mov eax, dword [0x6a7eec]
test eax, eax
je 0x536a18
cmp ebp, eax
jne 0x536a18
mov eax, dword [0x6a7ef0]
test eax, eax
je 0x536a18
cmp ebx, eax
jb 0x536a18
add eax, 0x493e0
cmp eax, ebx
jb 0x536a18
mov ebp, dword [0x6a7ef4]
push 1
inc ebp
push 0x6a7e08
lea ecx, [esp + 0x18]
mov dword [0x6a7ef4], ebp
call fcn.00535970
push 0x6a7e38
mov ecx, esi
mov dword [esp + 0x34], 0
call fcn.0044cfb0
push 0x6a7e28
mov ecx, edi
call fcn.0044cfb0
mov dword [esp + 0x30], 0xffffffff
lea ecx, [esp + 0x10]
jmp 0x536a8e
push edi
push esi
mov dword [0x6a7ef4], 0
call fcn.00536d90
add esp, 8
lea ecx, [esp + 0x1c]
push 1
push 0x6a7e08
call fcn.00535970
push 0xffffffffffffffff
push 0
mov ecx, 0x6a7e38
mov dword [esp + 0x38], 1
mov dword [0x6a7eec], ebp
mov dword [0x6a7ef0], ebx
call fcn.0044cd60
push esi
mov ecx, 0x6a7e38
call fcn.0044cfb0
push 0xffffffffffffffff
push 0
mov ecx, 0x6a7e28
call fcn.0044cd60
push edi
mov ecx, 0x6a7e28
call fcn.0044cfb0
mov dword [esp + 0x30], 0xffffffff
lea ecx, [esp + 0x1c]
call fcn.005359d0
mov ecx, dword [esp + 0x28]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
mov dword fs:[0], ecx
add esp, 0x24
ret
Function at 0x536d90
Capabilities:
Get disk information

Disassembly:
push 0xffffffffffffffff
push 0x62b7a6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x224
push ebx
push ebp
push esi
mov esi, dword [esp + 0x240]
push edi
xor ebx, ebx
push 0xffffffffffffffff
push ebx
mov ecx, esi
call fcn.0044cd60
mov ebp, dword [esp + 0x248]
push 0xffffffffffffffff
push ebx
mov ecx, ebp
call fcn.0044cd60
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov dword [esp + 0x28], eax
xor eax, eax
mov dword [esp + 0x10], 1
mov dword [esp + 0x20], eax
mov ecx, dword [esp + 0x28]
mov edx, dword [esp + 0x10]
test ecx, edx
je 0x536ec9
mov edx, dword [0x67ef5c]
mov cx, word [0x67ef60]
mov dword [esp + 0x18], edx
add word [esp + 0x18], ax
lea edx, [esp + 0x18]
mov word [esp + 0x1c], cx
push edx
lea ecx, [esp + 0x28]
mov word [esp + 0x22], bx
call fcn.00445810
mov eax, dword [esi + 4]
lea ecx, [esp + 0x24]
push ecx
push eax
mov ecx, esi
mov dword [esp + 0x244], ebx
call fcn.0044d3f0
mov edx, dword [0x638b24]
mov dword [esp + 0x14], edx
mov ecx, 0x81
xor eax, eax
lea edi, [esp + 0x2e]
mov word [esp + 0x2c], bx
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [esp + 0x2c]
push 0x104
lea ecx, [esp + 0x1c]
push eax
push ecx
mov byte [esp + 0x248], 1
call dword [sym.imp.KERNEL32.dll_QueryDosDeviceW]
lea edx, [esp + 0x2c]
lea ecx, [esp + 0x14]
push edx
mov word [esp + 0x236], bx
call fcn.00446360
mov eax, dword [ebp + 4]
lea ecx, [esp + 0x14]
push ecx
push eax
mov ecx, ebp
call fcn.0044d3f0
lea ecx, [esp + 0x14]
mov byte [esp + 0x23c], bl
call fcn.00446080
lea ecx, [esp + 0x24]
mov dword [esp + 0x23c], 0xffffffff
call fcn.00446080
mov eax, dword [esp + 0x20]
mov edx, dword [esp + 0x10]
inc eax
shl edx, 1
cmp eax, 0x1a
mov dword [esp + 0x20], eax
mov dword [esp + 0x10], edx
jb 0x536deb
mov ecx, dword [esp + 0x234]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
mov dword fs:[0], ecx
add esp, 0x230
ret
Function at 0x537d70
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebp
mov ebp, dword [esp + 8]
push esi
mov esi, ecx
push edi
push ebp
lea edi, [esi + 0xec]
mov ecx, edi
call fcn.0053dec0
test al, al
jne 0x537d91
pop edi
pop esi
pop ebp
ret 4
lea ecx, [esi + 0x78]
call fcn.0053c330
cmp eax, 1
jne 0x537da6
pop edi
pop esi
xor al, al
pop ebp
ret 4
mov al, byte [esi + 0xe8]
test al, al
je 0x537db8
pop edi
pop esi
xor al, al
pop ebp
ret 4
lea ecx, [esi + 0x20]
call fcn.0053d3e0
push ebp
mov ecx, edi
call fcn.0053dee0
mov ecx, dword [esi + 0x114]
call fcn.0053bd70
test al, al
je 0x537e6f
mov eax, dword [esi + 0x10]
test eax, eax
jne 0x537dea
pop edi
pop esi
xor al, al
pop ebp
ret 4
mov dword [esi + 0x14], 0x12345678
mov dword [esi + 0x18], 0x23456789
mov dword [esi + 0x1c], 0x34567890
mov eax, dword [esi + 0x10]
xor edi, edi
test eax, eax
jbe 0x537e5b
mov eax, dword [esi + 0xc]
mov cl, byte [edi + eax]
mov eax, dword [esi + 0x14]
mov byte [esp + 0x10], cl
mov ecx, esi
mov edx, dword [esp + 0x10]
push edx
push eax
call fcn.0053aae0
mov edx, dword [esi + 0x18]
mov dword [esi + 0x14], eax
and eax, 0xff
add eax, edx
mov edx, dword [esi + 0x1c]
imul eax, eax, 0x8088405
inc eax
mov dword [esi + 0x18], eax
shr eax, 0x18
mov byte [esp + 0x10], al
mov ecx, dword [esp + 0x10]
push ecx
push edx
mov ecx, esi
call fcn.0053aae0
mov dword [esi + 0x1c], eax
mov eax, dword [esi + 0x10]
inc edi
cmp edi, eax
jb 0x537e08
mov ecx, esi
call fcn.0053a830
test al, al
jne 0x537e6f
push 0xffffffffffffff94
mov ecx, esi
call fcn.00537a10
mov eax, dword [esi + 0x114]
mov di, word [eax + 0xe]
test di, di
je 0x537e8d
cmp di, 8
je 0x537e93
push 0xffffffffffffff9b
mov ecx, esi
call fcn.00537a10
cmp di, 8
jne 0x537eca
mov al, byte [esi + 4]
test al, al
je 0x537ea2
lea eax, [esi + 0xcc]
jmp 0x537ea4
xor eax, eax
push 0x38
push str.1.1.4
lea ecx, [esi + 0x28]
push 0xfffffffffffffff1
push ecx
mov dword [esi + 0x50], eax
call fcn.0052fa10
test eax, eax
je 0x537eca
cmp eax, 2
je 0x537eca
push eax
mov ecx, esi
call fcn.00537a10
mov ecx, dword [esi + 0x114]
mov edx, dword [ecx + 0x18]
mov dword [esi + 0x64], edx
call fcn.0053bd70
test al, al
je 0x537ee3
add dword [esi + 0x64], 0xfffffff4
mov eax, dword [esi + 0x114]
pop edi
mov ecx, dword [eax + 0x1c]
mov dword [esi + 0x68], 0
mov dword [esi + 0x60], ecx
mov dword [esi + 0x3c], 0
mov dword [esi + 0x2c], 0
mov byte [esi + 0xe8], 0xff
pop esi
mov al, 1
pop ebp
ret 4
Function at 0x538fe0
Capabilities:
Create directory

Disassembly:
push 0xffffffffffffffff
push 0x62bb6c
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x22c
mov eax, dword [esp + 0x23c]
push ebx
push edi
push eax
lea ecx, [esp + 0xc]
call fcn.005ef2a9
push 0x67a29c
lea ecx, [esp + 0xc]
mov dword [esp + 0x240], 0
call fcn.005e7081
mov ecx, dword [esp + 8]
lea edx, [esp + 0xc]
push ecx
push edx
call fcn.00538b60
mov ecx, dword [esp + 0x10]
mov edx, dword [eax]
push ecx
push edx
mov byte [esp + 0x24c], 1
call fcn.0042bdbc
add esp, 0x10
or edi, 0xffffffff
test eax, eax
je 0x539119
push esi
mov esi, dword [esp + 0xc]
lea ecx, [esp + 0x14]
call fcn.0053fc6c
push 0
push esi
lea ecx, [esp + 0x1c]
mov byte [esp + 0x248], 2
call fcn.0053fd31
test eax, eax
jne 0x5390d9
lea eax, [esp + 0x30]
push 0x104
push eax
call fcn.005418d7
add esp, 8
test eax, eax
je 0x5390c4
push esi
call fcn.00541849
add esp, 4
test eax, eax
jne 0x5390c4
lea ecx, [esp + 0x30]
push ecx
call fcn.00541849
add esp, 4
lea ecx, [esp + 0x14]
mov byte [esp + 0x240], 1
call fcn.0053fcab
mov eax, edi
jmp 0x53910b
lea ecx, [esp + 0x14]
mov byte [esp + 0x240], 1
call fcn.0053fcab
xor eax, eax
jmp 0x53910b
lea ecx, [esp + 0x14]
call fcn.0053ff57
mov edx, dword [esp + 0x14]
push 0x10
lea ecx, [esp + 0x18]
call dword [edx + 0x38]
neg eax
sbb eax, eax
lea ecx, [esp + 0x14]
and al, 0xfe
mov byte [esp + 0x240], 1
inc eax
mov esi, eax
call fcn.0053fcab
mov eax, esi
cmp eax, edi
pop esi
sete al
test al, al
jne 0x539119
xor bl, bl
jmp 0x53911b
mov bl, 1
lea ecx, [esp + 0xc]
mov byte [esp + 0x23c], 0
call fcn.005ef235
test bl, bl
jne 0x5391a6
mov eax, dword [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
call fcn.00538b60
mov eax, dword [eax]
mov byte [esp + 0x244], 3
push eax
call fcn.00538fe0
add esp, 0xc
lea ecx, [esp + 0xc]
test al, al
sete bl
mov byte [esp + 0x23c], 0
call fcn.005ef235
test bl, bl
jne 0x53917d
mov edx, dword [esp + 8]
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x5391a6
lea ecx, [esp + 8]
mov dword [esp + 0x23c], edi
call fcn.005ef235
pop edi
xor al, al
pop ebx
mov ecx, dword [esp + 0x22c]
mov dword fs:[0], ecx
add esp, 0x238
ret
lea ecx, [esp + 8]
mov dword [esp + 0x23c], edi
call fcn.005ef235
mov ecx, dword [esp + 0x234]
pop edi
mov al, 1
pop ebx
mov dword fs:[0], ecx
add esp, 0x238
ret
Function at 0x539970
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, ecx
cmp byte [ebx + 0xe8], 1
je 0x539982
xor al, al
pop ebx
ret 8
mov ecx, dword [esp + 0xc]
mov eax, dword [esp + 8]
push esi
mov esi, dword [ebx + 0x114]
push ecx
mov dword [ebx + 0x28], eax
mov dword [ebx + 0x2c], ecx
push eax
mov eax, dword [esi + 0x14]
push eax
call fcn.00589da0
mov dword [esi + 0x14], eax
mov eax, dword [ebx + 0x2c]
test eax, eax
jbe 0x539acc
push ebp
push edi
mov eax, dword [ebx + 0x38]
test eax, eax
jne 0x539a2a
mov ecx, dword [ebx + 0x114]
call fcn.0053bd70
test al, al
je 0x539a05
mov eax, dword [ebx + 0x64]
xor ebp, ebp
test eax, eax
jbe 0x539a05
mov esi, dword [ebx + 0x70]
mov edi, dword [ebx + 0x1c]
add esi, ebp
and edi, 0xfffd
or edi, 2
mov cl, byte [esi]
push ecx
mov ecx, ebx
call fcn.0053a7c0
mov edx, edi
mov al, byte [esi]
xor edx, 1
imul edx, edi
sar edx, 8
xor al, dl
inc ebp
mov byte [esi], al
mov eax, dword [ebx + 0x64]
cmp ebp, eax
jb 0x5399d1
mov eax, dword [ebx + 0x64]
mov ecx, dword [ebx + 0x70]
push 0
push eax
push ecx
lea ecx, [ebx + 0x78]
call fcn.0053d050
mov dword [ebx + 0x64], 0
mov edx, dword [ebx + 0x74]
mov dword [ebx + 0x38], edx
mov eax, dword [ebx + 0x70]
mov dword [ebx + 0x34], eax
mov ecx, dword [ebx + 0x114]
cmp word [ecx + 0xe], 8
jne 0x539a65
mov esi, dword [ebx + 0x3c]
lea eax, [ebx + 0x28]
push 0
push eax
call fcn.0052e710
test eax, eax
je 0x539a56
cmp eax, 2
je 0x539a56
push eax
mov ecx, ebx
call fcn.00537a10
mov edx, dword [ebx + 0x3c]
mov eax, dword [ebx + 0x64]
sub edx, esi
add eax, edx
mov dword [ebx + 0x64], eax
jmp 0x539abf
mov eax, dword [ebx + 0x2c]
mov ecx, dword [ebx + 0x38]
cmp eax, ecx
jb 0x539a71
mov eax, ecx
mov esi, dword [ebx + 0x28]
mov edi, dword [ebx + 0x34]
mov ecx, eax
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edx, dword [ebx + 0x2c]
mov ecx, dword [ebx + 0x38]
mov ebp, dword [ebx + 0x28]
mov edi, dword [ebx + 0x34]
mov esi, dword [ebx + 0x30]
sub edx, eax
sub ecx, eax
mov dword [ebx + 0x2c], edx
mov edx, dword [ebx + 0x3c]
mov dword [ebx + 0x38], ecx
mov ecx, dword [ebx + 0x64]
add ebp, eax
add edi, eax
add esi, eax
add edx, eax
add ecx, eax
mov dword [ebx + 0x28], ebp
mov dword [ebx + 0x34], edi
mov dword [ebx + 0x30], esi
mov dword [ebx + 0x3c], edx
mov dword [ebx + 0x64], ecx
mov eax, dword [ebx + 0x2c]
test eax, eax
ja 0x5399b2
pop edi
pop ebp
pop esi
mov al, 1
pop ebx
ret 8
Function at 0x539ae0
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, ecx
cmp byte [esi + 0xe8], 1
je 0x539af0
xor al, al
pop esi
ret
mov eax, dword [esi + 0x114]
push ebx
mov dword [esi + 0x2c], 0
push ebp
cmp word [eax + 0xe], 8
push edi
jne 0x539baa
mov eax, dword [esi + 0x38]
test eax, eax
jne 0x539b75
mov ecx, dword [esi + 0x114]
call fcn.0053bd70
test al, al
je 0x539b50
mov eax, dword [esi + 0x64]
xor ebp, ebp
test eax, eax
jbe 0x539b50
mov edi, dword [esi + 0x70]
mov ecx, esi
add edi, ebp
call fcn.0053a940
mov cl, byte [edi]
mov bl, al
push ecx
mov ecx, esi
call fcn.0053a7c0
mov dl, byte [edi]
xor dl, bl
inc ebp
mov byte [edi], dl
mov eax, dword [esi + 0x64]
cmp ebp, eax
jb 0x539b2a
mov edx, dword [esi + 0x64]
mov eax, dword [esi + 0x70]
push 0
push edx
push eax
lea ecx, [esi + 0x78]
call fcn.0053d050
mov dword [esi + 0x64], 0
mov ecx, dword [esi + 0x74]
mov dword [esi + 0x38], ecx
mov edx, dword [esi + 0x70]
mov dword [esi + 0x34], edx
mov edi, dword [esi + 0x3c]
lea eax, [esi + 0x28]
push 4
push eax
call fcn.0052e710
mov ecx, dword [esi + 0x3c]
mov edx, dword [esi + 0x64]
sub ecx, edi
add edx, ecx
test eax, eax
mov dword [esi + 0x64], edx
je 0x539b0b
cmp eax, 1
je 0x539baa
cmp eax, 2
je 0x539baa
push eax
mov ecx, esi
call fcn.00537a10
mov eax, dword [esi + 0x64]
test eax, eax
jbe 0x539c0f
mov ecx, dword [esi + 0x114]
call fcn.0053bd70
test al, al
je 0x539bfd
mov eax, dword [esi + 0x64]
xor ebx, ebx
test eax, eax
jbe 0x539bfd
mov edi, dword [esi + 0x70]
mov ebp, dword [esi + 0x1c]
add edi, ebx
and ebp, 0xfffd
mov ecx, esi
or ebp, 2
mov dl, byte [edi]
push edx
call fcn.0053a7c0
mov eax, ebp
mov dl, byte [edi]
xor eax, 1
imul eax, ebp
sar eax, 8
xor dl, al
inc ebx
mov byte [edi], dl
mov eax, dword [esi + 0x64]
cmp ebx, eax
jb 0x539bc9
mov ecx, dword [esi + 0x64]
mov edx, dword [esi + 0x70]
push 0
push ecx
push edx
lea ecx, [esi + 0x78]
call fcn.0053d050
mov eax, dword [esi + 0x114]
pop edi
pop ebp
pop ebx
cmp word [eax + 0xe], 8
jne 0x539c39
lea ecx, [esi + 0x28]
push ecx
call fcn.0052ea90
test eax, eax
je 0x539c39
cmp eax, 2
je 0x539c39
push eax
mov ecx, esi
call fcn.00537a10
mov eax, dword [esi + 0x114]
mov edx, dword [esi + 0x3c]
mov ecx, dword [eax + 0x18]
add ecx, edx
mov dword [eax + 0x18], ecx
mov eax, dword [esi + 0x114]
mov ecx, dword [esi + 0x30]
mov dword [eax + 0x1c], ecx
lea ecx, [esi + 0xec]
call fcn.0053e250
lea ecx, [esi + 0x6c]
mov byte [esi + 0xe8], 0
call fcn.0053d500
mov al, 1
pop esi
ret

Function at 0x53a010
Capabilities:
Get disk information

Disassembly:
mov eax, dword [esp + 4]
push ebx
lea ecx, [esp + 8]
push eax
push ecx
call fcn.0053a040
mov eax, dword [eax]
add esp, 8
push eax
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
cmp eax, 2
lea ecx, [esp + 8]
sete bl
call fcn.005ef235
mov al, bl
pop ebx
ret
Function at 0x53a830
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
push 0xffffffffffffffff
push 0x62bd68
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push ebx
push ebp
push esi
xor ebp, ebp
push edi
mov esi, ecx
push ebp
push 0xc
lea ecx, [esp + 0x1c]
call fcn.0053d450
mov eax, dword [esp + 0x18]
push ebp
push 0xc
push eax
lea ecx, [esi + 0x78]
mov dword [esp + 0x34], ebp
call fcn.0053c120
mov eax, dword [esi + 0x1c]
mov ecx, dword [esp + 0x18]
and eax, 0xfffd
mov edi, dword [esi + 0x14]
or al, 2
mov dl, byte [ecx + ebp]
mov ebx, eax
xor ebx, 1
imul ebx, eax
sar ebx, 8
xor bl, dl
call fcn.00589d90
mov dl, bl
mov ecx, edi
and edx, 0xff
and ecx, 0xff
xor edx, ecx
mov ecx, esi
shr edi, 8
mov eax, dword [eax + edx*4]
mov edx, dword [esi + 0x18]
xor eax, edi
mov dword [esi + 0x14], eax
and eax, 0xff
add eax, edx
imul eax, eax, 0x8088405
inc eax
mov dword [esi + 0x18], eax
shr eax, 0x18
mov byte [esp + 0x10], al
mov eax, dword [esi + 0x1c]
mov edx, dword [esp + 0x10]
push edx
push eax
call fcn.0053aae0
inc ebp
mov dword [esi + 0x1c], eax
cmp ebp, 0xc
jl 0x53a870
mov ecx, dword [esi + 0x114]
call fcn.0053bd80
mov esi, dword [esi + 0x114]
test al, al
je 0x53a905
xor ecx, ecx
mov cl, byte [esi + 0x11]
cmp cl, bl
jmp 0x53a90d
mov edx, dword [esi + 0x14]
shr edx, 0x18
cmp dl, bl
lea ecx, [esp + 0x14]
mov dword [esp + 0x28], 0xffffffff
sete bl
call fcn.0053d4d0
mov ecx, dword [esp + 0x20]
pop edi
pop esi
mov al, bl
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x1c
ret
Function at 0x53ab10
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ecx
push ebx
push ebp
push esi
mov esi, ecx
push edi
xor edi, edi
mov dword [esi + 0x14], 0x12345678
mov dword [esi + 0x18], 0x23456789
mov dword [esi + 0x1c], 0x34567890
mov eax, dword [esi + 0x10]
test eax, eax
jbe 0x53ab88
mov eax, dword [esi + 0xc]
mov cl, byte [eax + edi]
mov eax, dword [esi + 0x14]
mov byte [esp + 0x10], cl
mov ecx, esi
mov edx, dword [esp + 0x10]
push edx
push eax
call fcn.0053aae0
mov edx, dword [esi + 0x18]
mov dword [esi + 0x14], eax
and eax, 0xff
add eax, edx
mov edx, dword [esi + 0x1c]
imul eax, eax, 0x8088405
inc eax
mov dword [esi + 0x18], eax
shr eax, 0x18
mov byte [esp + 0x10], al
mov ecx, dword [esp + 0x10]
push ecx
push edx
mov ecx, esi
call fcn.0053aae0
mov dword [esi + 0x1c], eax
mov eax, dword [esi + 0x10]
inc edi
cmp edi, eax
jb 0x53ab35
push 0
call fcn.0042c157
add esp, 4
mov edi, eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
imul edi, eax
push edi
call fcn.0042c128
add esp, 4
xor ebp, ebp
call fcn.0042c135
mov ebx, eax
sar ebx, 6
test bl, bl
mov byte [esp + 0x10], bl
jne 0x53abc0
mov bl, al
mov byte [esp + 0x10], bl
mov edi, dword [esi + 0x1c]
mov eax, dword [esp + 0x10]
and edi, 0xfffd
push eax
mov ecx, esi
or edi, 2
call fcn.0053a7c0
mov ecx, edi
mov edx, dword [esp + 0x1c]
xor ecx, 1
imul ecx, edi
mov eax, dword [edx + 4]
sar ecx, 8
xor cl, bl
mov byte [eax + ebp], cl
inc ebp
cmp ebp, 0xa
jl 0x53aba8
mov ebp, dword [esp + 0x18]
mov edi, dword [esi + 0x1c]
mov ebx, ebp
and edi, 0xfffd
sar ebx, 0x10
mov byte [esp + 0x10], bl
or edi, 2
mov ecx, dword [esp + 0x10]
push ecx
mov ecx, esi
call fcn.0053a7c0
mov edx, edi
mov eax, dword [esp + 0x1c]
xor edx, 1
imul edx, edi
mov ecx, dword [eax + 4]
mov eax, ebp
sar edx, 8
xor dl, bl
mov byte [ecx + 0xa], dl
mov edi, dword [esi + 0x1c]
mov ebx, dword [esi + 0x14]
and edi, 0xfffd
sar eax, 0x18
mov byte [esp + 0x10], al
or edi, 2
call fcn.00589d90
mov dl, byte [esp + 0x10]
mov ecx, ebx
and edx, 0xff
and ecx, 0xff
xor edx, ecx
mov ecx, dword [esi + 0x18]
shr ebx, 8
mov eax, dword [eax + edx*4]
mov ebp, dword [esi + 0x1c]
xor eax, ebx
mov dword [esi + 0x14], eax
and eax, 0xff
add eax, ecx
imul eax, eax, 0x8088405
inc eax
mov ebx, eax
mov dword [esi + 0x18], eax
shr ebx, 0x18
call fcn.00589d90
mov ecx, edi
mov edx, ebp
xor ecx, 1
and ebx, 0xff
imul ecx, edi
and edx, 0xff
pop edi
xor ebx, edx
mov edx, dword [esp + 0x18]
shr ebp, 8
mov eax, dword [eax + ebx*4]
xor eax, ebp
mov dword [esi + 0x1c], eax
mov al, byte [esp + 0xc]
sar ecx, 8
xor cl, al
mov eax, dword [edx + 4]
pop esi
pop ebp
mov byte [eax + 0xb], cl
pop ebx
pop ecx
ret 8