joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40a7e0
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x28
mov eax, dword [0x455008]
xor eax, esp
mov dword [esp + 0x24], eax
push esi
mov esi, ecx
cmp dword [esi + 0x38], 0
je 0x40a8a2
cmp byte [esi + 0x3d], 0
je 0x40a8a2
mov eax, dword [esi]
push edi
push 0xffffffffffffffff
call dword [eax + 0xc]
cmp eax, 0xffffffff
je 0x40a88f
mov ecx, dword [esi + 0x38]
mov eax, dword [ecx]
mov edx, dword [eax + 0x20]
lea eax, [esp + 8]
push eax
lea eax, [esp + 0x30]
push eax
lea eax, [esp + 0x14]
push eax
lea eax, [esi + 0x40]
push eax
call edx
sub eax, 0
je 0x40a854
sub eax, 1
je 0x40a858
sub eax, 2
jne 0x40a88f
mov byte [esi + 0x3d], al
mov al, 1
pop edi
pop esi
mov ecx, dword [esp + 0x24]
xor ecx, esp
call fcn.0041aaae
add esp, 0x28
ret
mov byte [esi + 0x3d], 0
mov edi, dword [esp + 8]
lea eax, [esp + 0xc]
sub edi, eax
je 0x40a877
push dword [esi + 0x4c]
push edi
push 1
push eax
call fcn.00425236
add esp, 0x10
cmp edi, eax
jne 0x40a88f
cmp byte [esi + 0x3d], 0
pop edi
sete al
pop esi
mov ecx, dword [esp + 0x24]
xor ecx, esp
call fcn.0041aaae
add esp, 0x28
ret
pop edi
xor al, al
pop esi
mov ecx, dword [esp + 0x24]
xor ecx, esp
call fcn.0041aaae
add esp, 0x28
ret
mov ecx, dword [esp + 0x28]
mov al, 1
pop esi
xor ecx, esp
call fcn.0041aaae
add esp, 0x28
ret
Function at 0x40aa60
Capabilities:
Access peb ldr_data
Get process heap flags

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x43ed90
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x455008]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, ecx
mov dword [ebp - 0x10], eax
push 8
mov dword [eax], vtable.std::basic_streambuf_char__struct_std::char_traits_char__.0
call fcn.0041aac1
mov esi, eax
push 1
mov dword [ebp - 4], 0
call fcn.0041c0dd
mov dword [esi + 4], eax
add esp, 8
mov eax, dword [ebp - 0x10]
lea ecx, [eax + 0x18]
lea edx, [eax + 0x24]
lea edi, [eax + 0x14]
mov dword [eax + 0x34], esi
lea ebx, [eax + 4]
mov dword [eax + 0xc], ebx
lea esi, [eax + 8]
mov dword [eax + 0x20], ecx
mov dword [eax + 0x2c], edx
mov dword [eax + 0x10], esi
mov dword [eax + 0x1c], edi
add eax, 0x28
mov dword [ebp - 0x14], ebx
mov ebx, dword [ebp - 0x10]
mov dword [ebp - 0x18], eax
mov dword [ebx + 0x30], eax
mov ebx, dword [ebp - 0x14]
mov dword [esi], 0
mov dword [ecx], 0
mov dword [eax], 0
mov eax, dword [ebp - 0x10]
mov dword [ebx], 0
mov ebx, dword [ebp - 0x10]
mov dword [edi], 0
mov dword [edx], 0
mov dword [eax + 0x20], ecx
mov dword [ebx], vtable.std::basic_filebuf_char__struct_std::char_traits_char__.0
mov byte [ebx + 0x48], 0
mov byte [ebx + 0x3d], 0
mov ebx, dword [ebp - 0x14]
mov dword [eax + 0xc], ebx
mov ebx, dword [ebp - 0x10]
mov dword [eax + 0x2c], edx
mov dword [eax + 0x10], esi
mov dword [eax + 0x1c], edi
mov eax, dword [ebp - 0x18]
mov dword [ebx + 0x30], eax
mov ebx, dword [ebp - 0x14]
mov dword [esi], 0
mov dword [ecx], 0
mov ecx, dword [0x457794]
mov dword [eax], 0
mov eax, dword [0x457790]
mov dword [ebx], 0
mov dword [edi], 0
mov dword [edx], 0
mov edx, dword [ebp - 0x10]
mov dword [edx + 0x40], eax
mov eax, edx
mov dword [edx + 0x4c], 0
mov dword [edx + 0x44], ecx
mov dword [edx + 0x38], 0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x40b890
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x43ee8c
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x455008]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x14], edi
mov dword [ebp - 0x18], edi
mov eax, dword [ebp + 8]
mov dword [ebp - 4], 0
mov dword [edi], eax
mov dword [edi + 4], 0
mov dword [edi + 8], 0
mov dword [edi + 0xc], 0
mov dword [edi + 0x10], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x18], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x20], 0
mov dword [edi + 0x24], 0
mov dword [edi + 0x28], 0
mov dword [edi + 0x2c], 0
lea esi, [edi + 0x38]
mov dword [edi + 0x30], 0
mov byte [edi + 0x34], 0
mov dword [ebp - 0x14], esi
mov dword [esi + 0x24], 0
mov byte [ebp - 4], 4
mov ecx, dword [ebp + 0x30]
test ecx, ecx
je 0x40b944
mov eax, dword [ecx]
push esi
call dword [eax]
mov dword [esi + 0x24], eax
mov al, byte [ebp + 0x34]
lea ecx, [edi + 0x70]
mov byte [ebp - 4], 5
mov byte [edi + 0x60], al
push 9
mov byte [edi + 0x68], 9
call fcn.0040b020
cmp byte [edi + 0x68], 1
jne 0x40b97f
cmp dword [edi + 0x70], 0
jne 0x40b97f
push 0x45ba
push str.D:Workspacewotlkunits_apidepsjson.hpp
push str.m_type___value_t::object__m_value.object___nullptr
call fcn.00428f50
add esp, 0xc
cmp byte [edi + 0x68], 2
jne 0x40b9a2
cmp dword [edi + 0x70], 0
jne 0x40b9a2
push 0x45bb
push str.D:Workspacewotlkunits_apidepsjson.hpp
push str.m_type___value_t::array__m_value.array___nullptr
call fcn.00428f50
add esp, 0xc
cmp byte [edi + 0x68], 3
jne 0x40b9c5
cmp dword [edi + 0x70], 0
jne 0x40b9c5
push 0x45bc
push str.D:Workspacewotlkunits_apidepsjson.hpp
push str.m_type___value_t::string__m_value.string___nullptr
call fcn.00428f50
add esp, 0xc
cmp byte [edi + 0x68], 8
jne 0x40b9e8
cmp dword [edi + 0x70], 0
jne 0x40b9e8
push 0x45bd
push str.D:Workspacewotlkunits_apidepsjson.hpp
push str.m_type___value_t::binary__m_value.binary___nullptr
call fcn.00428f50
add esp, 0xc
lea eax, [ebp - 0xd]
mov byte [ebp - 4], 6
push eax
lea ecx, [edi + 0x10]
mov byte [ebp - 0xd], 1
call fcn.0040d8d0
mov ecx, dword [ebp + 0x30]
test ecx, ecx
je 0x40ba14
mov esi, dword [ecx]
lea eax, [ebp + 0xc]
cmp ecx, eax
setne dl
movzx edx, dl
push edx
call dword [esi + 0x10]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x30

Function at 0x41b679
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x41b6b8
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x41b6b8
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x41b6b8
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x41b6b8
cmp dword [ecx + 0x74], 0xe
jbe 0x41b6b8
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x42ecda
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0042eb50

Function at 0x431f7f
Capabilities:
Print debug messages

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00431f01
Function at 0x43da50
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x43da7d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x43da7d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret
Function at 0x936058
Capabilities:
Decompress data using aplib

Disassembly:
call fcn.009361a8
push ebx
mov ebx, esp
push ebx
mov esi, dword [ebx + 8]
mov edi, dword [ebx + 0x10]
cld
mov dl, 0x80
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
mov ebx, 2
add dl, dl
jne 0x93607e
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x93606a
add dl, dl
jne 0x936089
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x9360dc
xor eax, eax
add dl, dl
jne 0x936096
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x93617d
add dl, dl
jne 0x9360a5
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x9360b0
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x9360bb
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x9360c6
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x9360d2
push edi
mov eax, eax
sub edi, eax
mov al, byte [edi]
pop edi
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x936075
mov eax, 1
add dl, dl
jne 0x9360ea
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x9360f5
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x9360e1
sub eax, ebx
mov ebx, 1
jne 0x936128
mov ecx, 1
add dl, dl
jne 0x93610e
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x936119
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x936105
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x936075
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x93613f
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x93614a
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x936136
cmp eax, 0x7d00
jae 0x93616d
cmp eax, 0x500
jb 0x936168
inc ecx
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x936075
cmp eax, 0x7f
ja 0x936170
add ecx, 2
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x936075
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x93619e
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x936075
pop ebx
sub edi, dword [ebx + 0x10]
mov eax, edi
pop ebx
ret 0x10
Function at 0x431000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
push 4
nop
nop
nop
nop
nop
nop
nop
nop
pop edi
nop
nop
nop
nop
cmp eax, 0
je 0x431072
nop
nop
nop
nop
nop
mov ebx, 0x40915c
mov ecx, ebx
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
push eax
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x120c7027
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
loop 0x431060
nop
nop
mov eax, section..data
nop
cmp eax, 0
nop
nop
nop
nop
nop
nop
nop
je 0x4310d2
mov ebx, 0x42f3f8
nop
nop
nop
nop
nop
mov ecx, ebx
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
nop
push eax
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x1cb92c3e
nop
nop
xor dword [eax], esi
nop
nop
nop
add eax, edi
nop
nop
nop
loop 0x4310c0
nop
nop
nop
nop
nop
nop
nop
popal
nop
nop
jmp 0x401219
Function at 0x406e2b
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push ebx
xor eax, eax
mov ebx, dword fs:[0x18]
mov ecx, dword fs:[0x30]
test ecx, ecx
jns 0x406e63
mov ecx, 0x530000
cmp dword [ebx + 0x58], ecx
jne 0x406e51
mov al, 1
jmp 0x406ea4
cmp dword [ebx + 0x54], ecx
jne 0x406e5a
mov al, 2
jmp 0x406ea4
cmp dword [ebx + 0x7c], ecx
jne 0x406ea4
mov al, 3
jmp 0x406ea4
mov ebx, dword [ecx + 0xa8]
mov ecx, dword [ecx + 0xa4]
cmp ecx, 4
ja 0x406e78
mov al, 4
jmp 0x406ea4
cmp ecx, 5
jne 0x406e98
cmp ebx, 0
jne 0x406e86
mov al, 5
jmp 0x406ea4
cmp ebx, 1
jne 0x406e8f
mov al, 6
jmp 0x406ea4
cmp ebx, 2
jne 0x406e98
mov al, 7
jmp 0x406ea4
cmp ecx, 6
jne 0x406ea4
cmp ebx, 0
jne 0x406ea4
mov al, 8
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x40f730
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x47502b
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.00469859
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40f7b2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00467257
mov eax, dword [eax]
push 0x4d3220
push eax
call fcn.00459744
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00469ae4
test bl, bl
je 0x40f7b2
push 0x4d3220
lea ecx, [esp + 0xc]
call fcn.00469e74
push 0x4d6d88
lea ecx, [esp + 0xc]
call fcn.00469e74
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 0x40f7ee
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00469ae4
jmp 0x40f8b9
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 0x40f872
lea edx, [esp + 0x7c]
push 0x4d6d84
push edx
call fcn.00459744
add esp, 8
test eax, eax
je 0x40f872
lea eax, [esp + 0x7c]
push 0x4d6d80
push eax
call fcn.00459744
add esp, 8
test eax, eax
je 0x40f872
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 0x40f802
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.00469ae4
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 0x4100b0
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 0x410112
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 0x410120
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4750ab
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4dd5fc]
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 0x410258
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x410186
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00469ae4
xor eax, eax
jmp 0x4102cf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00469c21
push esi
lea ecx, [esp + 0xc]
call fcn.00469eb0
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 0x4102ad
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.004100b0
test eax, eax
jne 0x4102ad
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.004100b0
test eax, eax
jne 0x4102ad
lea eax, [esp + 0x14]
push 0x4d6d9c
push eax
call fcn.0045a780
mov esi, eax
add esp, 8
test esi, esi
jne 0x41028c
lea ecx, [esp + 0x14]
push 0x4d6d98
push ecx
call fcn.0045a700
mov esi, eax
add esp, 8
test esi, esi
jne 0x41028c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x41028f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00469bd1
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41019e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00469ae4
xor eax, eax
jmp 0x4102cf
mov byte [esi], 0
push 0x4d6d94
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.00469ae4
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 0x421c90
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 0x421cfe
cmp si, 0x69
ja 0x421cfe
add esi, 0xffd0
cmp si, 0x11
je 0x421cce
push 0x11
call edi
test ax, ax
jge 0x421cce
or esi, 0x2000
cmp si, 0x10
je 0x421ce3
push 0x10
call edi
test ax, ax
jge 0x421ce3
or esi, 0x4000
cmp si, 0x12
je 0x421cf8
push 0x12
call edi
test ax, ax
jge 0x421cf8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x421d0b
mov esi, 0xbd
jmp 0x421cbf
cmp si, 0x6e
jne 0x421d18
mov esi, 0xbe
jmp 0x421cbf
cmp si, 0x6f
jne 0x421cb9
mov esi, 0xbf
jmp 0x421cbf

Function at 0x4234c0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4eddc8]
xor edx, edx
cmp eax, edx
jne 0x4234e6
xor eax, eax
mov byte [eax + 0x4edcc8], al
inc eax
cmp eax, 0x100
jl 0x4234ce
mov dword [0x4eddc8], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4edcc8
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x423577
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 0x42354a
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 0x423518
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4235f0
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 0x423643
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 0x42362a
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 0x42a080
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 0x42a218
cmp ebp, ebx
jle 0x42a218
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 0x42a0de
dec eax
or eax, 0xfffffff8
inc eax
je 0x42a0e5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x42a0f4
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x42a0fb
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00469825
add esp, 4
cmp eax, ebx
je 0x42a11c
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.00469825
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 0x42a20e
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 0x42a1f5
mov al, byte [edx]
cmp al, 0xc0
jbe 0x42a1e1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x42a1d6
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 0x42a1e4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x42a1e4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x42a180
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 0x42a171
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 0x42c718
Capabilities:
Initialize winsock library
Resolve dns

Disassembly:
sub esp, 0x1b8
push ebx
push ebp
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 4]
test eax, eax
jne 0x42c762
lea eax, [esp + 0x38]
push eax
push 0x101
call dword [sym.imp.WS2_32.dll_WSAStartup]
neg eax
sbb eax, eax
inc eax
cmp eax, 1
mov dword [esi + 4], eax
jne 0x42c750
push str.icmp.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [esi + 8], eax
jmp 0x42c757
mov dword [esi + 8], 0
mov eax, dword [esi + 4]
test eax, eax
je 0x42c7fa
mov eax, dword [esi + 8]
test eax, eax
je 0x42c7fa
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.IcmpCreateFile
push eax
call edi
mov ecx, dword [esi + 8]
push str.IcmpSendEcho
push ecx
mov ebx, eax
call edi
mov edx, dword [esi + 8]
push str.IcmpCloseHandle
push edx
mov ebp, eax
call edi
test ebx, ebx
mov dword [esp + 0x10], eax
je 0x42c7fa
test ebp, ebp
je 0x42c7fa
test eax, eax
je 0x42c7fa
mov esi, dword [esp + 0x1cc]
push esi
call dword [sym.imp.WS2_32.dll_inet_addr]
mov edi, eax
cmp edi, 0xffffffff
jne 0x42c7cc
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x42c7fa
mov eax, dword [eax + 0xc]
mov ecx, dword [eax]
mov edi, dword [ecx]
call ebx
mov edx, dword [esp + 0x1d0]
mov esi, eax
push edx
lea eax, [esp + 0x18]
push 0x24
push eax
push 0
push 0
push 0
push edi
push esi
mov dword [esp + 0x3c], 0xffffffff
call ebp
test eax, eax
push esi
jne 0x42c80a
call dword [esp + 0x14]
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x1b8
ret 8
call dword [esp + 0x14]
mov eax, dword [esp + 0x1c]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x1b8
ret 8

Function at 0x42d340
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x476738
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 0x42d379
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.004711d8
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.00471224
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.0042d400
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.00471261
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24