joyce8/EMBER2024-capa huggingface dataset:
Function at 0x43c5f0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x43c623
push esi
call fcn.0043f6e0
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x43c61c
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 0x43c6a9
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x43c692
mov eax, dword [esi + 8]
test eax, eax
je 0x43c647
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 0x43c68e
cmp eax, 2
je 0x43c692
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x43c63a
cmp eax, 3
je 0x43c66d
cmp eax, 1
jne 0x43c63a
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 0x43c63a
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x43c63a
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.0043c6d0
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x43c6b8
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.0043c6d0
add esp, 4
pop esi
ret

Function at 0x463ffa
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x464032
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.004620b1
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00462089
jmp 0x46403e
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4656ec
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 0x46572e
call fcn.0046b3db
mov esi, dword [eax + 0xc]
push pe_nt_image_headers32
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x46572e
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x465725
xor eax, eax
jmp 0x465736
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.0046573c
pop edi
pop esi
pop ebx
ret 4

Function at 0x46b90b
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 0x46b939
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x46b957
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0046b871
jmp 0x46b957
mov eax, dword [esi + 0x14]
test eax, eax
je 0x46b957
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0046b871
test edi, edi
mov eax, edi
jne 0x46b941
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x4084a7
Capabilities:
Encode data using xor

Disassembly:
bound edi, qword [esi + eax*4 - 0x4ceac02b]
salc
xchg ecx, eax
loope 0x4084df
adc byte [ebx - 7], bh
or eax, 0xbef5210e
wait
cmp ah, bh
js 0x4084e3
or dword [eax], esp
mov dl, 0x33
fild dword [ecx + 0x58]
xchg edi, eax
add al, 0x63
inc edx
div byte [eax - 0x38]
enter 0x6569, 0xffffffffffffff9f
lahf
push esp
inc eax
xchg esp, eax
push edx
lea edx, [ebp - 0x4a]
push ebp
mov dh, 0x12
mov word [esi], es
pop ecx
invalid
mov ch, 0x52
jg 0x408478
push ebp
mov dh, 0x12
mov word [esi], es
pop ecx
imul esi, dword [ebp - 0x4a3980ae], 0x86de648e
loopne 0x4084a1
mov ch, 0x8e
fiadd word fs:[esi + 0x317de8e0]
jge 0x4084ec
sti
invalid
movsb byte es:[edi], byte [esi]
salc
xor esp, dword [edi - 0x30146a0a]
invalid
not byte [ebp + 0x6a8fcfeb]
sub al, byte [ebx]
sub esi, esi
inc edi
loopne 0x408478
test byte [edi - 0x20], 0x88
sub dh, al
ja 0x408506
cmc
dec eax
sbb eax, 0x9156c61d
mov dword [0x3ab83964], eax
imul ecx, dword [esi + ebx*4 - 0x1828f321], 0x4c
out 0x4c, eax
xchg esi, eax
push esi
lds edx, [edx - 0x56f46544]
sbb ebp, eax
salc
sbb byte [ebp + 0x246591b2], ah
movsb byte es:[edi], byte [esi]
sal byte [ecx + 0x132005f5], 1
or esp, dword [ecx]
inc ecx
aas
push ecx
dec eax
das
mov byte [0x1cb2f2e5], al
inc esp
and ebp, edi
jns 0x408527
push ss
adc ch, al
or ebx, dword [ecx + 0x61]
jne 0x408539
fstp st(0)
cmp eax, 0xa5b08802
or al, 0x4b
sub eax, 0x716c6880
mov byte [edx - 0x70], al
xor ah, byte [edi]
pop esp
push esp
in al, 1
and al, 0xfe
dec edx
push ecx
invalid
Function at 0x401000
Capabilities:
Create thread

Disassembly:
mov eax, dword [esp + 8]
sub eax, 0x8000
je 0x40103a
dec eax
je 0x401025
sub eax, 5
jne 0x4010a4
push 0x3e8
call dword [sym.imp.KERNEL32.dll_Sleep]
xor eax, eax
ret
push 0x3e8
mov byte [0x40dff5], 0
call dword [sym.imp.KERNEL32.dll_Sleep]
xor eax, eax
ret
mov eax, dword [0x40dff0]
push 0x40dcc0
push eax
call dword [sym.imp.KERNEL32.dll_GetExitCodeThread]
test eax, eax
je 0x4010a4
cmp dword [0x40dcc0], 1
jne 0x4010a4
mov ecx, dword [0x40dff0]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x4010a4
mov al, byte [0x40dff8]
push 0x38e
dec al
mov byte [0x40dff8], al
call dword [sym.imp.KERNEL32.dll_Sleep]
push 0
push 0
push 0
push 0x4021f0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
test eax, eax
mov dword [0x40dff0], eax
je 0x4010a4
inc byte [0x40dff8]
xor eax, eax
ret
Function at 0x401f50
Capabilities:
Get disk information

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
mov ecx, dword [esp + 8]
push esi
push edi
push 0
push 0
push 0
lea eax, [esp + 0x20]
push 0
push eax
push 0xf
push ebx
push ecx
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
mov edx, dword [esp + 0x14]
mov edi, dword [esp + 0x18]
push edx
push 0x40b20c
push edi
call fcn.00403225
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
shr ecx, 2
mov edi, 0x40dde4
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
xor eax, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
or ecx, 0xffffffff
mov edi, 0x40b208
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edx, ecx
mov edi, 0x40dde4
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edx, ecx
mov edi, 0x40dde4
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, 0x40dde4
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
mov eax, ebx
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
pop ebx
ret

Function at 0x402030
Capabilities:
Get disk information

Disassembly:
sub esp, 0xc
push ebx
xor ebx, ebx
mov dword [esp + 0xc], ebx
mov byte [esp + 0x18], bl
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
sar eax, 3
test eax, eax
mov dword [esp + 8], eax
jle 0x4020e9
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetDriveTypeA]
push edi
mov edi, dword [esp + 0x20]
test al, 1
je 0x4020c9
lea eax, [esp + 0x10]
add bl, 0x44
push eax
mov byte [esp + 0x14], bl
mov byte [esp + 0x15], 0x3a
mov byte [esp + 0x16], 0x5c
mov byte [esp + 0x17], 0
call esi
cmp eax, 2
jne 0x4020c5
push 0
push 0
push 0
push 0
push 0
push 0
lea ecx, [esp + 0x28]
push 0
push ecx
call ebp
test eax, eax
je 0x4020c5
mov cl, byte [esp + 0x24]
movsx edx, cl
mov byte [edi + edx*4], bl
mov byte [edi + edx*4 + 1], 0x3a
lea eax, [edi + edx*4]
inc cl
mov byte [esp + 0x24], cl
mov byte [eax + 2], 0x5c
mov byte [eax + 3], 0
mov eax, dword [esp + 0x14]
mov ebx, dword [esp + 0x18]
sar eax, 1
inc ebx
mov dword [esp + 0x14], eax
test eax, eax
mov dword [esp + 0x18], ebx
jg 0x402066
movsx eax, byte [esp + 0x24]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
movsx eax, byte [esp + 0x18]
pop ebx
add esp, 0xc
ret
Function at 0x402100
Capabilities:
Get disk information

Disassembly:
sub esp, 0x10
push ebx
xor ebx, ebx
mov dword [esp + 8], ebx
mov byte [esp + 0x1c], bl
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
sar eax, 3
test eax, eax
mov dword [esp + 4], eax
jle 0x4021d8
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
push esi
mov esi, dword [esp + 0x20]
push edi
mov edi, dword [sym.imp.KERNEL32.dll_GetDriveTypeA]
test al, 1
je 0x4021b4
lea eax, [esp + 0x18]
add bl, 0x44
push eax
mov byte [esp + 0x1c], bl
mov byte [esp + 0x1d], 0x3a
mov byte [esp + 0x1e], 0x5c
mov byte [esp + 0x1f], 0
call edi
cmp eax, 2
jne 0x4021b0
push 0
push 0
push 0
push 0
push 0
push 0
lea ecx, [esp + 0x30]
push 0
push ecx
call ebp
test eax, eax
je 0x4021aa
mov cl, byte [esp + 0x28]
movsx eax, cl
lea edx, [eax*8]
sub edx, eax
inc cl
mov byte [esp + 0x28], cl
lea eax, [edx + esi]
mov byte [eax], 0x5c
mov byte [eax + 1], 0x5c
mov byte [eax + 2], 0x2e
mov byte [eax + 3], 0x5c
mov byte [eax + 4], bl
mov byte [eax + 5], 0x3a
mov byte [eax + 6], 0
jmp 0x4021b0
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov eax, dword [esp + 0x10]
mov ebx, dword [esp + 0x14]
sar eax, 1
inc ebx
mov dword [esp + 0x10], eax
test eax, eax
mov dword [esp + 0x14], ebx
jg 0x402136
movsx eax, byte [esp + 0x28]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
movsx eax, byte [esp + 0x1c]
pop ebx
add esp, 0x10
ret
Function at 0x401ea2
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x410284]
jne 0x401eac
repz ret
jmp fcn.00403e53

Function at 0x40a60b
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
pushal
call 0x40a61a
pop dword [ebp - 0x3c]
mov eax, 0x40a61a
sub dword [ebp - 0x3c], eax
mov dword [ebp - 0x4c], 0x5d04c65a
sub dword [ebp - 0x4c], 0xeb2810f
mov dword [ebp - 0x48], 0xe80e6e83
sub dword [ebp - 0x48], 0xb5db223e
mov dword [ebp - 0x44], 0xf74040a2
add dword [ebp - 0x44], 0x550c038c
mov dword [ebp - 0x40], 0x5399965b
add dword [ebp - 0x40], 0xac6669a5
lea eax, [ebp - 0x4c]
push eax
mov eax, 0x4550dd50
add eax, 0xbaeff304
add eax, dword [ebp - 0x3c]
call dword [eax]
mov dword [ebp - 0x4c], 0x3b02b3a0
add dword [ebp - 0x4c], 0x396fb5b6
mov dword [ebp - 0x48], 0x1f453c97
add dword [ebp - 0x48], 0x222724de
mov dword [ebp - 0x44], 0x6dce50da
sub dword [ebp - 0x44], 0xa5ee46e
mov dword [ebp - 0x40], 0xe29cbabe
sub dword [ebp - 0x40], 0xe29cbabe
lea ebx, [ebp - 0x4c]
push ebx
push eax
mov eax, sym.imp.kernel32.dll_GetProcAddress
add eax, dword [ebp - 0x3c]
call dword [eax]
push 0x40
push 0x1000
push 0x3b22c
push 0
call eax
mov ecx, 0xfdd07aa0
add ecx, 0x22fd270
mov edi, eax
mov ebx, 0x276ac7f4
add ebx, 0xd8d6e80c
add ebx, dword [ebp - 0x3c]
mov edx, 0x820bbbd
sub edx, 0xf7d05e7a
add dword [ebp - 0x24], esi
mov esi, dword [ebx]
xor dword [ebp - 0x34], edi
xor esi, edx
mov dword [ebp - 0x28], 0x30f4ef1b
mov dword [edi], esi
xor dword [ebp - 0x18], 0xf0ecb8d3
add edi, 4
add ebx, 4
loop 0x40a732
add eax, 0x24f1527a
add eax, 0xdb0fd499
xor ebx, ebx
add ebx, eax
add eax, 5
mov ecx, 0x7cb14fa1
add ecx, 0x838eb05f
add ecx, dword [ebp - 0x3c]
call ebx
leave
ret
Function at 0x405d6b
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x422a0c], 0
push esi
jne 0x405da2
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x405d7c
mov dword [ecx*4 + 0x422a08], eax
inc ecx
cmp ecx, 0x100
jl 0x405d77
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x405dd3
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x422a08]
xor eax, esi
inc ecx
dec edx
jne 0x405db5
pop edi
not eax
pop esi
ret 0xc

Function at 0x408925
Capabilities:
Encode data using xor

Disassembly:
push 0x4085d8
pop ebx
push edi
pop edx
call fcn.00408951
and edi, edi
xor dword [ecx], ebx
inc ecx
sub esp, 4
mov dword [esp], edx
pop edi
and edx, edi
cmp ecx, esi
jne fcn.00408925
sub edi, edx
add edx, edx
ret
Function at 0x40b780
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x489a0b
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.0047e100
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40b802
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0047bae0
mov eax, dword [eax]
push 0x4b91d0
push eax
call fcn.0046df04
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0047e38b
test bl, bl
je 0x40b802
push 0x4b91d0
lea ecx, [esp + 0xc]
call fcn.0047e71b
push 0x4bcd4c
lea ecx, [esp + 0xc]
call fcn.0047e71b
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 0x40b83e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0047e38b
jmp 0x40b909
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 0x40b8c2
lea edx, [esp + 0x7c]
push 0x4bcd48
push edx
call fcn.0046df04
add esp, 8
test eax, eax
je 0x40b8c2
lea eax, [esp + 0x7c]
push 0x4bcd44
push eax
call fcn.0046df04
add esp, 8
test eax, eax
je 0x40b8c2
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 0x40b852
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.0047e38b
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 0x40c100
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 0x40c162
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 0x40c170
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x489a8b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4c514c]
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 0x40c2a8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40c1d6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0047e38b
xor eax, eax
jmp 0x40c31f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0047e4c8
push esi
lea ecx, [esp + 0xc]
call fcn.0047e757
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x4bcd84
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40c2fd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push 0x4bcd7c
push closesocket
call fcn.0040c100
test eax, eax
jne 0x40c2fd
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push 0x4bcd68
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push closesocket
mov ecx, edi
call fcn.0040c100
test eax, eax
jne 0x40c2fd
lea eax, [esp + 0x14]
push 0x4bcd60
push eax
call fcn.0046ef40
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c2dc
lea ecx, [esp + 0x14]
push 0x4bcd5c
push ecx
call fcn.0046eec0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40c2dc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40c2df
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0047e478
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40c1ee
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0047e38b
xor eax, eax
jmp 0x40c31f
mov byte [esi], 0
push 0x4bcd58
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.0047e38b
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
Function at 0x41f8c0
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x41f92e
cmp si, 0x69
ja 0x41f92e
add esi, 0xffd0
cmp si, 0x11
je 0x41f8fe
push 0x11
call edi
test ax, ax
jge 0x41f8fe
or esi, 0x2000
cmp si, 0x10
je 0x41f913
push 0x10
call edi
test ax, ax
jge 0x41f913
or esi, 0x4000
cmp si, 0x12
je 0x41f928
push 0x12
call edi
test ax, ax
jge 0x41f928
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41f93b
mov esi, 0xbd
jmp 0x41f8ef
cmp si, 0x6e
jne 0x41f948
mov esi, 0xbe
jmp 0x41f8ef
cmp si, 0x6f
jne 0x41f8e9
mov esi, 0xbf
jmp 0x41f8ef

Function at 0x420fe0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4d58b0]
xor edx, edx
cmp eax, edx
jne 0x421006
xor eax, eax
mov byte [eax + 0x4d57b0], al
inc eax
cmp eax, 0x100
jl 0x420fee
mov dword [0x4d58b0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4d57b0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x421097
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x42106a
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x421038
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x421110
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x421163
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x42114a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x427ba0
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x427d38
cmp ebp, ebx
jle 0x427d38
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x427bfe
dec eax
or eax, 0xfffffff8
inc eax
je 0x427c05
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x427c14
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x427c1b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.0047e0cc
add esp, 4
cmp eax, ebx
je 0x427c3c
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.0047e0cc
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x427d2e
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x427d15
mov al, byte [edx]
cmp al, 0xc0
jbe 0x427d01
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x427cf6
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x427d04
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x427d04
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x427ca0
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x427c91
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret

Function at 0x429c60
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x190
push esi
mov esi, ecx
call fcn.0047f979
lea eax, [esp + 4]
mov dword [esi], method.CWnd.virtual_0
push eax
push 0x101
call dword [sym.imp.WS2_32.dll_WSAStartup]
neg eax
sbb eax, eax
mov dword [esi + 0x44], 0x4d12
inc eax
mov dword [esi + 0x40], 0xffffffff
mov dword [esi + 0x3c], eax
mov eax, esi
pop esi
add esp, 0x190
ret