joyce8/EMBER2024-capa huggingface dataset:
Function at 0x42cef0
Capabilities:
Read file on windows
Read from mailslot

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x14]
push ebx
push ebp
push esi
mov esi, dword [eax + 4]
xor ebx, ebx
mov dword [esp + 0xc], ebx
cmp esi, dword [eax + 8]
je 0x42cf76
mov ebp, dword [sym.imp.KERNEL32.dll_ReadFile]
mov edi, edi
mov ecx, dword [esi + 4]
mov eax, dword [esi]
push ebx
lea edx, [esp + 0x18]
push edx
push ecx
push eax
mov eax, dword [edi]
push eax
mov dword [esp + 0x24], ecx
mov dword [esp + 0x28], ebx
call ebp
test eax, eax
je 0x42cf76
cmp byte [edi + 0x20], bl
jne 0x42cf83
mov eax, dword [esp + 0x10]
add dword [esp + 0xc], eax
cmp eax, dword [esp + 0x14]
ja 0x42cf76
mov eax, dword [edi]
push ebx
lea ecx, [esp + 0x1c]
push ecx
lea edx, [esp + 0x18]
push edx
push ebx
push eax
mov dword [esp + 0x24], ebx
call dword [sym.imp.KERNEL32.dll_GetMailslotInfo]
test eax, eax
jne 0x42cf6a
cmp dword [esp + 0x18], ebx
jbe 0x42cf6a
cmp dword [esp + 0x10], ebx
ja 0x42cf76
mov ecx, dword [esp + 0x20]
add esi, 8
cmp esi, dword [ecx + 8]
jne 0x42cf10
mov eax, dword [esp + 0xc]
pop esi
pop ebp
pop ebx
add esp, 0x10
ret 4
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x10
ret 4

Function at 0x42cf90
Capabilities:
Write file on windows

Disassembly:
push ecx
push ebp
mov ebp, dword [esp + 0xc]
push esi
mov esi, dword [edi + 4]
xor eax, eax
mov dword [esp + 0x10], eax
cmp esi, dword [edi + 8]
je 0x42cfe9
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_WriteFile]
lea esp, [esp]
mov eax, dword [esi + 4]
mov ecx, dword [esi]
test eax, eax
jbe 0x42cfdc
push 0
lea edx, [esp + 0x10]
push edx
push eax
mov eax, dword [ebp]
push ecx
push eax
mov dword [esp + 0x20], 0
call ebx
test eax, eax
je 0x42cfdc
mov ecx, dword [esp + 0xc]
add dword [esp + 0x14], ecx
add esi, 8
cmp esi, dword [edi + 8]
jne 0x42cfb0
mov eax, dword [esp + 0x14]
pop ebx
pop esi
pop ebp
pop ecx
ret 4

Function at 0x42d910
Capabilities:
Access the windows event log
Print debug messages

Disassembly:
sub esp, 8
push esi
mov esi, eax
call dword [sym.imp.KERNEL32.dll_IsDebuggerPresent]
cmp eax, 1
jne 0x42d945
cmp dword [esi + 0x18], 0x10
jb 0x42d936
mov esi, dword [esi + 4]
push esi
call dword [sym.imp.KERNEL32.dll_OutputDebugStringA]
pop esi
add esp, 8
ret
add esi, 4
push esi
call dword [sym.imp.KERNEL32.dll_OutputDebugStringA]
pop esi
add esp, 8
ret
push edi
push 0x45b59c
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
mov edi, eax
test edi, edi
je 0x42d9a5
cmp dword [esi + 0x18], 0x10
mov dword [esp + 8], 0x45b59c
jb 0x42d970
mov eax, dword [esi + 4]
mov dword [esp + 0xc], eax
jmp 0x42d977
add esi, 4
mov dword [esp + 0xc], esi
push 0
lea ecx, [esp + 0xc]
push ecx
push 0
push 2
push 0
push 0x40020002
push 0
push 4
push edi
call dword [sym.imp.ADVAPI32.dll_ReportEventA]
test eax, eax
jne 0x42d99e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push edi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
pop edi
pop esi
add esp, 8
ret
Function at 0x42e8a0
Capabilities:
Contain obfuscated stackstrings

Disassembly:
inc ebp
mov ah, 0xca
mov byte [ebp - 0x4b], 0xee
mov byte [ebp - 0x4a], 0xc9
mov byte [ebp - 0x49], 0xc1
mov byte [ebp - 0x48], 0xc8
mov byte [ebp - 0x47], 0xa7
call fcn.0042e618
mov edi, 0x8d2d030e
inc ebp
test al, 0x50
call fcn.0042e628
mov esi, dword [ebp + 0xc]
push eax
push esi
push dword [ebp + 8]
call fcn.0042e5dd
add esp, 0x10
lea ecx, [ebp - 0xb0]
push ecx
call eax
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 0xac]
xor edx, edx
div ecx
xor edx, edx
mov dword [ebp - 0x8c], eax
mov eax, dword [ebp - 8]
div ecx
test edx, edx
je 0x42e906
inc dword [ebp - 0x8c]
imul ecx, dword [ebp - 0x8c]
mov dword [ebp + 0xc], ecx
mov byte [ebp - 0x40], bl
mov byte [ebp - 0x3f], bl
mov byte [ebp - 0x3e], 0xec
mov byte [ebp - 0x3d], bl
mov byte [ebp - 0x3c], 0x45
mov byte [ebp - 0x3b], 0x7a
mov byte [ebp - 0x3a], 0x61
mov byte [ebp - 0x39], 0x67
mov byte [ebp - 0x38], 0x66
mov byte [ebp - 0x37], 0x72
mov byte [ebp - 0x36], 0x7f
mov byte [ebp - 0x35], 0x52
mov byte [ebp - 0x34], 0x7f
mov byte [ebp - 0x33], 0x7f
mov byte [ebp - 0x32], 0x7c
mov byte [ebp - 0x31], 0x70
mov byte [ebp - 0x30], 0x13
call fcn.0042e618
out 0x51, eax
scasd eax, dword es:[edi]
dec ecx
lea eax, [ebp - 0x40]
push eax
call fcn.0042e628
push eax
push esi
push dword [ebp + 8]
call fcn.0042e5dd
add esp, 0x10
mov dword [ebp - 0x88], eax
call fcn.0042e618
test byte [ebx], al
jmp 0x42e958

Function at 0x42ea80
Capabilities:
Contain obfuscated stackstrings

Disassembly:
push dword [ebp + 8]
call fcn.0042e5dd
add esp, 0x30
mov dword [ebp - 0xb8], eax
call fcn.0042e618
dec ebx
stc
sbb al, 0xc6
mov byte [ebp - 0x84], bl
mov byte [ebp - 0x83], bl
mov byte [ebp - 0x82], 0xe9
mov byte [ebp - 0x81], bl
mov byte [ebp - 0x80], 0x51
mov byte [ebp - 0x7f], 0x73
mov byte [ebp - 0x7e], 0x62
mov byte [ebp - 0x7d], 0x5b
mov byte [ebp - 0x7c], 0x79
mov byte [ebp - 0x7b], 0x72
mov byte [ebp - 0x7a], 0x63
mov byte [ebp - 0x79], 0x7a
mov byte [ebp - 0x78], 0x73
mov byte [ebp - 0x77], 0x5e
mov byte [ebp - 0x76], 0x77
mov byte [ebp - 0x75], 0x78
mov byte [ebp - 0x74], 0x72
mov byte [ebp - 0x73], 0x7a
mov byte [ebp - 0x72], 0x73
invalid
Function at 0x42f500
Capabilities:
Contain obfuscated stackstrings

Disassembly:
stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
and byte [ebp - 0x654], 0
push 0x40
pop ecx
xor eax, eax
lea edi, [ebp - 0x653]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
and byte [ebp - 0x504], 0
push 0x40
pop ecx
xor eax, eax
lea edi, [ebp - 0x503]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
call fcn.0042e5f6
or byte [eax + 0x2ff845c6], ah
mov byte [ebp - 0x24], 0x34
and byte [ebp - 0x36c], 0
and byte [ebp - 0x36b], 0
mov byte [ebp - 0x36a], 0xaa
and byte [ebp - 0x369], 0
mov byte [ebp - 0x368], 0x12
mov byte [ebp - 0x367], 0x30
mov byte [ebp - 0x366], 0x21
mov byte [ebp - 0x365], 6
mov byte [ebp - 0x364], 0x2c
mov byte [ebp - 0x363], 0x26
mov byte [ebp - 0x362], 0x21
mov byte [ebp - 0x361], 0x30
mov byte [ebp - 0x360], 0x38
mov byte [ebp - 0x35f], 0x11
mov byte [ebp - 0x35e], 0x3c
mov byte [ebp - 0x35d], 0x27
mov byte [ebp - 0x35c], 0x30
mov byte [ebp - 0x35b], 0x36
mov byte [ebp - 0x35a], 0x21
mov byte [ebp - 0x359], 0x3a
mov byte [ebp - 0x358], 0x27
mov byte [ebp - 0x357], 0x2c
mov byte [ebp - 0x356], 0x14
mov byte [ebp - 0x355], 0x55
lea eax, [ebp - 0x36c]
push eax
call fcn.0042e628
pop ecx
push eax
push dword [ebp + 0x18]
push dword [ebp + 0x14]
call fcn.0042e5dd
add esp, 0xc
mov dword [ebp - 0x3d4], eax
call fcn.0042e618
mov ah, 0x91
mov esi, 0x1046877
add byte [eax], al
lea eax, [ebp - 0x12c]
push eax
call dword [ebp - 0x3d4]
mov dword [ebp - 0x28], eax
call fcn.0042e618
das
aas
invalid

Function at 0x434000
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x44bb22
mov eax, dword fs:[0]
push eax
sub esp, 0x20
push esi
mov eax, dword [0x46e02c]
xor eax, esp
push eax
lea eax, [esp + 0x28]
mov dword fs:[0], eax
mov esi, dword [esp + 0x38]
mov dword [esp + 8], 0
lea ecx, [esi + 0x58]
mov dword [esi], 0x45ba7c
call dword [sym.imp.MSVCP90.dll_protected:_void___thiscall_std::basic_ios_char__struct_std::char_traits_char__::constructor_void_]
mov ecx, dword [esp + 0x3c]
lea eax, [esp + 0xc]
push eax
mov dword [esp + 0x34], 0
push ecx
mov dword [esp + 0x10], 1
call fcn.00409360
mov dword [esp + 0x30], 1
cmp dword [eax + 0x18], 8
jb 0x434071
mov eax, dword [eax + 4]
jmp 0x434074
add eax, 4
push 0
push 0x40
push 1
push eax
mov ecx, esi
call dword [sym.imp.MSVCP90.dll_public:_void___thiscall_std::basic_ifstream_char__struct_std::char_traits_char__::constructor_wchar_t_const___int__int_]
lea ecx, [esp + 0xc]
mov byte [esp + 0x30], 3
call dword [sym.imp.MSVCP90.dll_public:_void___thiscall_std::basic_string_wchar_t__struct_std::char_traits_wchar_t___class_std::allocator_wchar_t__::destructor_void_]
mov edx, dword [esi]
mov eax, dword [edx + 4]
mov dword [esi + eax], vtable.boost::filesystem::basic_ifstream_char__struct_std::char_traits_char__.0
mov eax, esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
pop ecx
pop esi
add esp, 0x2c
ret 8
Function at 0x436490
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x44ba13
mov eax, dword fs:[0]
push eax
sub esp, 0x20
push esi
mov eax, dword [0x46e02c]
xor eax, esp
push eax
lea eax, [esp + 0x28]
mov dword fs:[0], eax
mov esi, dword [esp + 0x3c]
mov eax, dword [esp + 0x38]
lea ecx, [esp + 0xc]
mov dword [esp + 8], 0
call fcn.004082d0
mov dword [esp + 0x30], 1
call fcn.00435f90
lea ecx, [esp + 0xc]
mov dword [esp + 8], 1
mov byte [esp + 0x30], 0
call dword [sym.imp.MSVCP90.dll_public:_void___thiscall_std::basic_string_wchar_t__struct_std::char_traits_wchar_t___class_std::allocator_wchar_t__::destructor_void_]
mov eax, esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
pop ecx
pop esi
add esp, 0x2c
ret 8
Function at 0x449014
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x46e02c]
jne 0x44901e
repz ret
jmp fcn.0044957d

Function at 0x432003
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
mov eax, section..wixburn
nop
nop
nop
push 4
nop
nop
nop
nop
nop
nop
nop
pop edi
nop
nop
cmp eax, 0
nop
je 0x432072
nop
nop
nop
nop
nop
mov ebx, 0x40c7d0
nop
nop
nop
mov ecx, ebx
nop
nop
nop
sub ecx, eax
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x780d7551
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x432060
nop
nop
nop
mov eax, section..pdata
nop
cmp eax, 0
nop
nop
nop
je 0x4320d2
nop
nop
nop
nop
mov ebx, 0x42f314
nop
nop
nop
mov ecx, ebx
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x19532403
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
nop
nop
loop 0x4320c0
nop
nop
nop
nop
popal
nop
jmp 0x431219
Function at 0x405f5b
Capabilities:
Acquire debug privileges

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push 1
mov eax, str.SeDebugPrivilege
mov dword [ebp - 4], eax
lea eax, [ebp - 4]
push eax
push 1
push dword [ebp + 8]
call fcn.00405f9d
mov dword [ebp - 8], eax
mov ebx, dword [ebp - 4]
test ebx, ebx
je 0x405f8f
push ebx
call fcn.00414f45
add esp, 4
mov eax, dword [ebp - 8]
jmp 0x405f97
mov esp, ebp
pop ebp
ret 8
Function at 0x40e030
Capabilities:
Inspect section memory permissions

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp eax, 0x8000
jg 0x40e14a
je 0x40e141
cmp eax, 0x80
jg 0x40e0c7
je 0x40e0be
cmp eax, 8
jg 0x40e090
je 0x40e087
cmp eax, 0x80000000
je 0x40e07e
cmp eax, 2
je 0x40e075
cmp eax, 4
jne 0x40e22d
mov eax, 2
pop ebp
ret 4
mov eax, 1
pop ebp
ret 4
mov eax, 0x1f
pop ebp
ret 4
mov eax, 3
pop ebp
ret 4
cmp eax, 0x10
je 0x40e0b5
cmp eax, 0x20
je 0x40e0ac
cmp eax, 0x40
jne 0x40e22d
mov eax, 6
pop ebp
ret 4
mov eax, 5
pop ebp
ret 4
mov eax, 4
pop ebp
ret 4
mov eax, 7
pop ebp
ret 4
cmp eax, 0x800
jg 0x40e10d
je 0x40e104
cmp eax, 0x100
je 0x40e0fb
cmp eax, 0x200
je 0x40e0f2
cmp eax, 0x400
jne 0x40e22d
mov eax, 0xa
pop ebp
ret 4
mov eax, 9
pop ebp
ret 4
mov eax, 8
pop ebp
ret 4
mov eax, 0xb
pop ebp
ret 4
cmp eax, 0x1000
je 0x40e138
cmp eax, 0x2000
je 0x40e12f
cmp eax, 0x4000
jne 0x40e22d
mov eax, 0xe
pop ebp
ret 4
mov eax, 0xd
pop ebp
ret 4
mov eax, 0xc
pop ebp
ret 4
mov eax, 0xf
pop ebp
ret 4
cmp eax, 0x800000
jg 0x40e1d6
je 0x40e1cd
cmp eax, 0x80000
jg 0x40e19d
je 0x40e194
cmp eax, 0x10000
je 0x40e18b
cmp eax, 0x20000
je 0x40e182
cmp eax, 0x40000
jne 0x40e22d
mov eax, 0x12
pop ebp
ret 4
mov eax, 0x11
pop ebp
ret 4
mov eax, 0x10
pop ebp
ret 4
mov eax, 0x13
pop ebp
ret 4
cmp eax, 0x100000
je 0x40e1c4
cmp eax, 0x200000
je 0x40e1bb
cmp eax, 0x400000
jne 0x40e22d
mov eax, 0x16
pop ebp
ret 4
mov eax, 0x15
pop ebp
ret 4
mov eax, 0x14
pop ebp
ret 4
mov eax, 0x17
pop ebp
ret 4
cmp eax, 0x8000000
jg 0x40e218
je 0x40e20f
cmp eax, 0x1000000
je 0x40e206
cmp eax, 0x2000000
je 0x40e1fd
cmp eax, 0x4000000
jne 0x40e22d
mov eax, 0x1a
pop ebp
ret 4
mov eax, 0x19
pop ebp
ret 4
mov eax, 0x18
pop ebp
ret 4
mov eax, 0x1b
pop ebp
ret 4
cmp eax, 0x10000000
je 0x40e245
cmp eax, 0x20000000
je 0x40e23c
cmp eax, 0x40000000
je 0x40e233
xor eax, eax
pop ebp
ret 4
mov eax, 0x1e
pop ebp
ret 4
mov eax, 0x1d
pop ebp
ret 4
mov eax, 0x1c
pop ebp
ret 4
Function at 0x41d040
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a4c0b
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.00499b3a
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x41d0c2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00497a4c
mov eax, dword [eax]
push 0x865c88
push eax
call fcn.00489c94
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00499dc5
test bl, bl
je 0x41d0c2
push 0x865c88
lea ecx, [esp + 0xc]
call fcn.0049a155
push 0x865c94
lea ecx, [esp + 0xc]
call fcn.0049a155
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 0x41d0fe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00499dc5
jmp 0x41d1c9
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 0x41d182
lea edx, [esp + 0x7c]
push 0x865c90
push edx
call fcn.00489c94
add esp, 8
test eax, eax
je 0x41d182
lea eax, [esp + 0x7c]
push 0x865c8c
push eax
call fcn.00489c94
add esp, 8
test eax, eax
je 0x41d182
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 0x41d112
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.00499dc5
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 0x41d9c0
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 0x41da22
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 0x41da30
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a4c8b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x874ff8]
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 0x41db68
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x41da96
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00499dc5
xor eax, eax
jmp 0x41dbdf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00499f02
push esi
lea ecx, [esp + 0xc]
call fcn.0049a191
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 0x41dbbd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0041d9c0
test eax, eax
jne 0x41dbbd
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 accept
mov ecx, edi
call fcn.0041d9c0
test eax, eax
jne 0x41dbbd
lea eax, [esp + 0x14]
push 0x865ca4
push eax
call fcn.0048ade0
mov esi, eax
add esp, 8
test esi, esi
jne 0x41db9c
lea ecx, [esp + 0x14]
push 0x865ca0
push ecx
call fcn.0048ad60
mov esi, eax
add esp, 8
test esi, esi
jne 0x41db9c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x41db9f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00499eb2
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41daae
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00499dc5
xor eax, eax
jmp 0x41dbdf
mov byte [esi], 0
push 0x865c9c
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.00499dc5
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 0x42d070
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 0x42d0de
cmp si, 0x69
ja 0x42d0de
add esi, 0xffd0
cmp si, 0x11
je 0x42d0ae
push 0x11
call edi
test ax, ax
jge 0x42d0ae
or esi, 0x2000
cmp si, 0x10
je 0x42d0c3
push 0x10
call edi
test ax, ax
jge 0x42d0c3
or esi, 0x4000
cmp si, 0x12
je 0x42d0d8
push 0x12
call edi
test ax, ax
jge 0x42d0d8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x42d0eb
mov esi, 0xbd
jmp 0x42d09f
cmp si, 0x6e
jne 0x42d0f8
mov esi, 0xbe
jmp 0x42d09f
cmp si, 0x6f
jne 0x42d099
mov esi, 0xbf
jmp 0x42d09f

Function at 0x42e980
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x885788]
xor edx, edx
cmp eax, edx
jne 0x42e9a6
xor eax, eax
mov byte [eax + 0x885688], al
inc eax
cmp eax, 0x100
jl 0x42e98e
mov dword [0x885788], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x885688
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x42ea37
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 0x42ea0a
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 0x42e9d8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x42eab0
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 0x42eb03
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 0x42eaea
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 0x435b10
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 0x435ca8
cmp ebp, ebx
jle 0x435ca8
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 0x435b6e
dec eax
or eax, 0xfffffff8
inc eax
je 0x435b75
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x435b84
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x435b8b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00499b06
add esp, 4
cmp eax, ebx
je 0x435bac
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.00499b06
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 0x435c9e
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 0x435c85
mov al, byte [edx]
cmp al, 0xc0
jbe 0x435c71
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x435c66
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 0x435c74
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x435c74
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x435c10
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 0x435c01
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 0x439000
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4a6178
push eax
mov dword fs:[0], esp
sub esp, 0x28
push esi
push edi
mov edi, dword [esp + 0x44]
mov esi, ecx
test edi, edi
jne 0x439039
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24
push 0x400
lea ecx, [esp + 0xc]
call fcn.004a1492
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.004a14de
mov ecx, dword [esp + 0x60]
mov edx, dword [esp + 0x5c]
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
mov edx, dword [esp + 0x58]
push eax
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
push eax
lea edx, [esp + 0x20]
push ecx
push edx
mov ecx, esi
call fcn.004390c0
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004a151b
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24