joyce8/EMBER2024-capa huggingface dataset:
Function at 0x440a70
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push 0xffffffffffffffff
push 0x478c23
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push ebp
push esi
mov esi, ecx
push edi
mov dword [esp + 0xc], esi
call fcn.0046bda7
lea edi, [esi + 0x64]
mov dword [esp + 0x18], 0
mov dword [edi + 4], 0
mov dword [edi], vtable.CBrush.0
mov eax, dword [esp + 0x2c]
mov ebp, dword [esp + 0x24]
mov ecx, dword [esp + 0x30]
mov dword [esi + 0x3c], eax
mov eax, ebp
mov dword [esi], method.CEdit.virtual_0
mov dword [esi + 0x40], ecx
mov dword [esi + 0x44], 0
mov ecx, dword [eax]
lea edx, [esi + 0x48]
mov byte [esp + 0x18], 1
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov ecx, dword [eax + 8]
mov dword [edx + 8], ecx
mov eax, dword [eax + 0xc]
mov ecx, dword [esp + 0x40]
mov dword [edx + 0xc], eax
mov eax, dword [esp + 0x44]
push eax
mov dword [esi + 0x5c], ecx
mov dword [esi + 0x60], eax
call dword [sym.imp.GDI32.dll_CreateSolidBrush]
push eax
mov ecx, edi
call fcn.00471445
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x20]
push edx
push eax
push ebp
push 0x50800044
mov ecx, esi
call fcn.004729a4
test eax, eax
je 0x440b8c
mov ecx, dword [esp + 0x3c]
call fcn.00471472
mov ecx, dword [esi + 0x1c]
mov ebp, dword [sym.imp.USER32.dll_SendMessageA]
push 0
push eax
push 0x30
push ecx
mov dword [esi + 0x58], eax
call ebp
mov edi, dword [esp + 0x34]
test edi, edi
je 0x440b50
push edi
mov ecx, esi
call fcn.0046ead3
mov ecx, esi
call fcn.00440cf0
cmp dword [esp + 0x38], 1
jne 0x440b85
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov edx, dword [esi + 0x1c]
push 0xffffffffffffffff
not ecx
dec ecx
push ecx
push 0xb1
push edx
call ebp
mov eax, dword [esi + 0x1c]
push 0
push 0
push 0xb7
push eax
call ebp
mov ecx, esi
call fcn.0046ec0e
mov ecx, dword [esp + 0x10]
mov eax, esi
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
add esp, 0x10
ret 0x28
Function at 0x4435c0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x4435f3
push esi
call fcn.004466b0
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x4435ec
mov dword [esi + 0x10], 0xcf
mov eax, 1
pop esi
ret
mov dword [esi + 0x10], 0xcb
mov eax, dword [esi + 0x10]
cmp eax, 0xcb
jne 0x443679
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x443662
mov eax, dword [esi + 8]
test eax, eax
je 0x443617
push esi
call dword [eax]
add esp, 4
mov ecx, dword [esi + 0x1b0]
push esi
call dword [ecx]
add esp, 4
test eax, eax
je 0x44365e
cmp eax, 2
je 0x443662
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x44360a
cmp eax, 3
je 0x44363d
cmp eax, 1
jne 0x44360a
mov eax, dword [ecx + 4]
inc eax
mov dword [ecx + 4], eax
mov eax, dword [esi + 8]
mov ecx, dword [eax + 8]
mov edx, dword [eax + 4]
cmp edx, ecx
jl 0x44360a
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x44360a
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.004436a0
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x443688
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.004436a0
add esp, 4
pop esi
ret

Function at 0x44ff30
Capabilities:
Capture webcam image

Disassembly:
mov eax, dword [esp + 8]
push ebx
push esi
mov esi, ecx
mov eax, dword [eax + 4]
cmp dword [esi + 0xec], 1
jne 0x44ffd3
test eax, eax
jbe 0x44ffd3
mov ecx, dword [esi + 0xbc]
test ecx, ecx
jle 0x44ffd3
mov ecx, dword [esi + 0x1c]
push edi
push 0
push eax
push 0x419
push ecx
call dword [sym.imp.USER32.dll_SendMessageA]
mov edi, eax
mov eax, dword [esi + 0xbc]
inc edi
test eax, eax
jne 0x44ff7e
xor esi, esi
jmp 0x44ff84
mov esi, dword [esi + 0xb4]
add esi, 4
xor ebx, ebx
test edi, edi
jbe 0x44ffaf
push ebp
mov ebp, edi
add esi, 6
push esi
call fcn.004044a0
add esi, eax
push esi
mov ebx, esi
call fcn.004044a0
add esp, 8
add esi, eax
dec edi
dec ebp
jne 0x44ff90
pop ebp
test edi, edi
pop edi
jne 0x44ffd3
test ebx, ebx
je 0x44ffd3
mov edx, dword [esp + 0x10]
push 0x4e
add edx, 0x10
push ebx
push edx
call fcn.0045aab0
add esp, 0xc
mov eax, 1
pop esi
pop ebx
ret 0xc
pop esi
xor eax, eax
pop ebx
ret 0xc
Function at 0x4500f5
Capabilities:
Capture webcam image

Disassembly:
sub esp, 0x44
push ebx
push ebp
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x45020d
push eax
call dword [sym.imp.USER32.dll_IsWindow]
test eax, eax
je 0x45020d
mov eax, dword [esi + 0x3c]
push eax
call fcn.0046c1f9
mov esi, eax
test esi, esi
je 0x45020d
mov ebx, dword [esp + 0x58]
mov ecx, dword [esi + 0x1c]
mov ebp, dword [sym.imp.USER32.dll_SendMessageA]
push 0
push ebx
push 0x419
push ecx
call ebp
mov edi, eax
test edi, edi
jl 0x45020d
mov ecx, esi
call fcn.00450080
cmp edi, eax
jge 0x45020d
mov eax, dword [esi + 0xc4]
mov edx, dword [esi + 0xc0]
mov dword [esp + 0x2c], eax
mov eax, dword [esp + 0x5c]
xor ecx, ecx
mov dword [esp + 0x28], edx
cmp eax, ecx
mov dword [esp + 0x30], eax
mov dword [esp + 0x34], ecx
mov dword [esp + 0x4c], ecx
mov dword [esp + 0x50], ecx
mov dword [esp + 0x38], edi
jne 0x450193
mov dword [esp + 0x34], 1
jmp 0x4501ee
mov edx, dword [esi + 0x1c]
lea ecx, [esp + 0x18]
push ecx
push ebx
push 0x433
push edx
call ebp
test eax, eax
je 0x45020d
mov eax, dword [esp + 0x60]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x24]
mov dword [esp + 0x10], ecx
mov dword [eax], 0
mov ecx, dword [esi + 0x1c]
lea eax, [esp + 0x10]
add edx, 2
push eax
push ecx
mov dword [esp + 0x1c], edx
call dword [sym.imp.USER32.dll_ClientToScreen]
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 0x14]
mov dword [esp + 0x34], 3
mov dword [esp + 0x3c], edx
mov dword [esp + 0x40], eax
xor ecx, ecx
push ecx
lea ecx, [esp + 0x2c]
push ecx
push 0x7d8
call fcn.0044e910
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x44
ret 0xc
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x44
ret 0xc

Function at 0x451dc0
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x451e26
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x451e26
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x451e07
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret
Function at 0x452960
Capabilities:
Create tcp socket
Create udp socket
Set socket configuration

Disassembly:
push ecx
push esi
mov esi, ecx
call fcn.00452ab0
push 0
push 1
push 2
call sub.WS2_32.dll_socket
mov dword [esi], eax
cmp eax, 0xffffffff
pop esi
jne 0x452980
xor eax, eax
pop ecx
ret
lea ecx, [esp]
push 4
push ecx
push 0x1001
push 0xffff
push eax
mov dword [esp + 0x14], 0
call sub.WS2_32.dll_setsockopt
mov eax, 1
pop ecx
ret

Function at 0x452961
Capabilities:
Create tcp socket
Create udp socket
Set socket configuration

Disassembly:
push ecx
push esi
mov esi, ecx
call fcn.00452ab0
push 0
push 1
push 2
call sub.WS2_32.dll_socket
mov dword [esi], eax
cmp eax, 0xffffffff
pop esi
jne 0x452980
xor eax, eax
pop ecx
ret
lea ecx, [esp]
push 4
push ecx
push 0x1001
push 0xffff
push eax
mov dword [esp + 0x14], 0
call sub.WS2_32.dll_setsockopt
mov eax, 1
pop ecx
ret

Function at 0x4529b0
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
xor eax, eax
push esi
push edi
mov dword [esp + 8], eax
mov edi, ecx
mov dword [esp + 0xc], eax
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x10], eax
push ecx
mov dword [esp + 0x18], eax
mov word [esp + 0xc], 2
call sub.WS2_32.dll_htons
mov esi, dword [esp + 0x1c]
mov word [esp + 0xa], ax
push esi
call sub.WS2_32.dll_inet_addr
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x452a07
push esi
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x452a1d
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
mov ecx, dword [eax]
mov dword [esp + 0xc], ecx
lea edx, [esp + 8]
push 0x10
push edx
mov ecx, edi
call fcn.00452a40
pop edi
pop esi
add esp, 0x10
ret 8
push 0x2726
call sub.WS2_32.dll_WSASetLastError
pop edi
xor eax, eax
pop esi
add esp, 0x10
ret 8

Function at 0x452a40
Capabilities:
Connect socket

Disassembly:
mov eax, dword [esp + 8]
mov edx, dword [esp + 4]
push eax
mov eax, dword [ecx]
push edx
push eax
call sub.WS2_32.dll_connect
xor ecx, ecx
cmp eax, 0xffffffff
setne cl
mov eax, ecx
ret 8

Function at 0x452ad0
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x452b19
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4
Function at 0x452f90
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x479420
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.00452b40
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.00452bc0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.00452bc0
lea ecx, [esi + 0xc]
call fcn.0046a783
lea ecx, [esi + 0x10]
call fcn.0046a783
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004553f0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004553f0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004553f0
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.0046a7f8
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.0046a7f8
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret

Function at 0x453c38
Capabilities:
Get hostname

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x479648
push eax
mov dword fs:[0], esp
sub esp, 0x64
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 4]
test eax, eax
je 0x453c48
call fcn.00454160
mov edi, dword [esp + 0x7c]
test edi, edi
je 0x453d2b
cmp byte [edi], 0
je 0x453d2b
mov eax, dword [esp + 0x8c]
test eax, eax
jg 0x453c6d
mov eax, 0x7d0
mov ecx, esi
mov dword [esi + 8], eax
call fcn.00452960
test eax, eax
jne 0x453c8d
push 0x613564
lea ecx, [esi + 0x38]
call fcn.0046a935
jmp 0x453d2b
mov eax, dword [esp + 0x80]
mov ecx, esi
push eax
push edi
call fcn.004529b0
test eax, eax
jne 0x453cbc
mov ecx, esi
call fcn.00452ab0
push edi
add esi, 0x38
push 0x613540
push esi
call fcn.0046833a
add esp, 0xc
jmp 0x453d2b
push 0xdc
mov ecx, esi
mov dword [esi + 4], 1
call fcn.004549e0
test eax, eax
je 0x453d24
lea ecx, [esp + 8]
push 0x64
push ecx
call sub.WS2_32.dll_gethostname
mov eax, dword [esp + 0x88]
mov ecx, dword [esp + 0x84]
lea edx, [esp + 0x8c]
mov dword [esp + 0x8c], 1
push edx
push eax
lea edx, [esp + 0x10]
push ecx
push edx
mov ecx, esi
call fcn.00453e00
test eax, eax
jne 0x453d40
push edi
lea eax, [esi + 0x38]
push 0x61351c
push eax
call fcn.0046833a
add esp, 0xc
mov ecx, esi
call fcn.00454160
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x64]
mov dword fs:[0], ecx
add esp, 0x70
ret 0x14
mov eax, dword [esp + 0x8c]
test eax, eax
je 0x453de8
mov ecx, dword [0x613afc]
mov dword [esp + 0x7c], ecx
lea edx, [esp + 8]
lea eax, [esp + 0x7c]
push edx
push str.HELO__s_r_n
push eax
mov dword [esp + 0x80], 0
call fcn.0046833a
mov edx, dword [esp + 0x88]
or ecx, 0xffffffff
mov edi, edx
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
push edx
mov ecx, esi
call fcn.00452a60
test eax, eax
jne 0x453daa
push 0x613500
lea ecx, [esi + 0x38]
call fcn.0046a935
jmp 0x453dba
push 0xfa
mov ecx, esi
call fcn.004549e0
test eax, eax
jne 0x453dd7
mov ecx, esi
call fcn.00454160
lea ecx, [esp + 0x7c]
mov dword [esp + 0x74], 0xffffffff
call fcn.0046a7f8
jmp 0x453d2b
lea ecx, [esp + 0x7c]
mov dword [esp + 0x74], 0xffffffff
call fcn.0046a7f8
mov ecx, dword [esp + 0x6c]
pop edi
mov eax, 1
pop esi
mov dword fs:[0], ecx
add esp, 0x70
ret 0x14
Function at 0x46cb9c
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x46cbd4
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.0046ac53
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.0046ac2b
jmp 0x46cbe0
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x46e28d
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x46e2cf
call fcn.00473ed9
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x46e2cf
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x46e2c6
xor eax, eax
jmp 0x46e2d7
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.0046e2dd
pop edi
pop esi
pop ebx
ret 4

Function at 0x474409
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x474437
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x474455
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0047436f
jmp 0x474455
mov eax, dword [esi + 0x14]
test eax, eax
je 0x474455
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0047436f
test edi, edi
mov eax, edi
jne 0x47443f
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x402361
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor ecx, ecx
push 8
mov eax, ecx
pop edx
test al, 1
je 0x402375
shr eax, 1
xor eax, 0xedb88320
jmp 0x402377
shr eax, 1
dec edx
jne 0x402368
mov dword [ecx*4 + 0x4110d0], eax
mov dword [ecx*4 + 0x4130d0], eax
inc ecx
cmp ecx, 0x100
jb 0x402363
push ebx
push esi
push edi
mov ecx, 0x4114d0
mov edi, 0x101
mov eax, dword [ecx - 0x400]
push 7
mov edx, ecx
pop esi
movzx ebx, al
shr eax, 8
xor eax, dword [ebx*4 + 0x4110d0]
mov dword [edx], eax
add edx, 0x400
dec esi
jne 0x4023a9
add ecx, 4
dec edi
jne 0x40239e
pop edi
pop esi
pop ebx
ret

Function at 0x4023cb
Capabilities:
Encode data using xor

Disassembly:
cmp dword [0x4130d4], 0
jne 0x4023d9
call fcn.00402361
mov ecx, dword [esp + 8]
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0x10]
push edi
test esi, esi
jbe 0x402406
test cl, 7
je 0x402406
movzx edx, byte [ecx]
movzx edi, al
xor edx, edi
shr eax, 8
xor eax, dword [edx*4 + 0x4110d0]
dec esi
inc ecx
jmp 0x4023e7
cmp esi, 8
jb 0x402499
mov edi, esi
shr edi, 3
push ebx
xor eax, dword [ecx]
sub esi, 8
mov ebx, eax
shr ebx, 0x10
movzx ebx, bl
mov edx, eax
shr edx, 0x18
mov edx, dword [edx*4 + 0x4120d0]
xor edx, dword [ebx*4 + 0x4124d0]
mov ebx, eax
shr ebx, 8
movzx ebx, bl
xor edx, dword [ebx*4 + 0x4128d0]
movzx ebx, byte [ecx + 6]
xor edx, dword [ebx*4 + 0x4114d0]
movzx ebx, byte [ecx + 5]
xor edx, dword [ebx*4 + 0x4118d0]
movzx ebx, byte [ecx + 4]
xor edx, dword [ebx*4 + 0x411cd0]
movzx ebx, byte [ecx + 7]
xor edx, dword [ebx*4 + 0x4110d0]
movzx eax, al
xor edx, dword [eax*4 + 0x412cd0]
add ecx, 8
dec edi
mov eax, edx
jne 0x402415
pop ebx
jmp 0x402499
movzx edx, byte [ecx]
movzx edi, al
xor edx, edi
shr eax, 8
xor eax, dword [edx*4 + 0x4110d0]
dec esi
inc ecx
test esi, esi
ja 0x402485
pop edi
pop esi
ret 0xc
Function at 0x40a13b
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
xor esi, esi
cmp dword [0x42754c], esi
jne 0x40a154
mov ecx, 0x427544
call fcn.0040a0fc
cmp byte [ebp + 0x14], 0
mov ebx, dword [ebp + 0x10]
je 0x40a1aa
cmp dword [0x42754c], esi
je 0x40a1db
test bl, 0xf
jne 0x40a1db
add ebx, ebx
push ebx
push dword [ebp + 8]
push dword [ebp + 0xc]
call fcn.00409a73
push esi
push ebx
push dword [ebp + 0xc]
call dword [0x42754c]
test eax, eax
jne 0x40a203
push 0x40f5a8
mov esi, 0x42ddbc
mov ecx, esi
call fcn.004027a4
mov ecx, esi
call fcn.00402646
push 2
mov ecx, esi
call fcn.00402941
jmp 0x40a203
cmp dword [0x427550], esi
je 0x40a1db
test bl, 0xf
jne 0x40a1db
add ebx, ebx
push ebx
push dword [ebp + 8]
push dword [ebp + 0xc]
call fcn.00409a73
push esi
push ebx
push dword [ebp + 0xc]
call dword [0x427550]
test eax, eax
jne 0x40a203
push 0x40f58c
jmp 0x40a18c
call dword [0x40f0c0]
xor edx, edx
cmp ebx, esi
jbe 0x40a203
mov ecx, dword [ebp + 0xc]
mov esi, dword [ebp + 8]
sub esi, ecx
push edi
lea edi, [eax + edx + 0x4b]
xor di, word [esi + ecx]
inc edx
mov word [ecx], di
inc ecx
inc ecx
cmp edx, ebx
jb 0x40a1f0
pop edi
pop esi
pop ebx
pop ebp
ret 0x10

Function at 0x40d9a4
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
mov eax, dword [0x4254ac]
mov ecx, eax
xor ecx, dword [esp + 4]
shr eax, 8
mov edx, 0xff
and ecx, edx
xor eax, dword [ecx*4 + 0x4130d0]
mov ecx, dword [0x4254b4]
mov dword [0x4254ac], eax
movzx eax, al
add eax, dword [0x4254b0]
imul eax, eax, 0x8088405
inc eax
mov dword [0x4254b0], eax
shr eax, 0x18
xor eax, ecx
and eax, edx
shr ecx, 8
xor ecx, dword [eax*4 + 0x4130d0]
mov eax, dword [esp + 4]
mov dword [0x4254b4], ecx
ret 4

Function at 0x40da37
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push esi
push dword [ebp + 0xc]
call fcn.0040d9fe
push 0xc
push dword [ebp + 8]
lea eax, [ebp - 0xc]
push eax
call fcn.00409a73
xor esi, esi
lea edx, [ebp + esi - 0xc]
call fcn.0040d984
xor byte [edx], al
movzx eax, byte [edx]
push eax
call fcn.0040d9a4
inc esi
cmp esi, 0xc
jl 0x40da56
movzx ax, byte [ebp - 1]
movzx ecx, ax
mov eax, dword [0x414b48]
test byte [eax + 0x40], 2
movzx eax, byte [0x424bc7]
jne 0x40da91
movzx eax, byte [0x424bcf]
movzx ecx, cx
cmp ecx, eax
je 0x40da9d
or eax, 0xffffffff
jmp 0x40dae2
mov ecx, dword [0x424b60]
mov eax, ecx
cdq
cmp edx, dword [0x413924]
push edi
jl 0x40dabf
mov edx, dword [0x413920]
jg 0x40dabb
cmp eax, edx
jbe 0x40dabf
mov edi, edx
jmp 0x40dac1
mov edi, ecx
mov esi, dword [0x424b58]
jmp 0x40dadb
dec edi
call fcn.0040d984
xor byte [esi], al
movzx eax, byte [esi]
push eax
call fcn.0040d9a4
inc esi
test edi, edi
jne 0x40dac9
xor eax, eax
pop edi
pop esi
leave
ret 8
Function at 0x40ad20
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4736fb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.00467e68
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40ada2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00465a7d
mov eax, dword [eax]
push 0x4b41d0
push eax
call fcn.00457f24
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004680f3
test bl, bl
je 0x40ada2
push 0x4b41d0
lea ecx, [esp + 0xc]
call fcn.00468483
push 0x4b7d4c
lea ecx, [esp + 0xc]
call fcn.00468483
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x40adde
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004680f3
jmp 0x40aea9
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x40ae62
lea edx, [esp + 0x7c]
push 0x4b7d48
push edx
call fcn.00457f24
add esp, 8
test eax, eax
je 0x40ae62
lea eax, [esp + 0x7c]
push 0x4b7d44
push eax
call fcn.00457f24
add esp, 8
test eax, eax
je 0x40ae62
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x40adf2
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.004680f3
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x40b6a0
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x40b702
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x40b710
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x47377b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4beb88]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x40b848
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40b776
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004680f3
xor eax, eax
jmp 0x40b8bf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00468230
push esi
lea ecx, [esp + 0xc]
call fcn.004684bf
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40b89d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040b6a0
test eax, eax
jne 0x40b89d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push closesocket
mov ecx, edi
call fcn.0040b6a0
test eax, eax
jne 0x40b89d
lea eax, [esp + 0x14]
push 0x4b7d60
push eax
call fcn.00458f60
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b87c
lea ecx, [esp + 0x14]
push 0x4b7d5c
push ecx
call fcn.00458ee0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b87c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40b87f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004681e0
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40b78e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004680f3
xor eax, eax
jmp 0x40b8bf
mov byte [esi], 0
push 0x4b7d58
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.004680f3
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4