joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10028150
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x100b800c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x100bb71c], 0
push ebx
push esi
push edi
jle 0x1002823b
mov ecx, dword [0x100bffd4]
mov eax, dword [0x100bbb50]
add eax, 0x1c
push eax
mov edx, dword [ecx]
call dword [edx + 4]
cmp dword [eax], 0
je 0x1002823b
cmp dword [0x100c05b8], 0
jne 0x100281b0
mov ecx, dword [0x100bffd4]
push 0x100c0b3c
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, dword [eax]
mov eax, dword [eax + 0x2c]
mov dword [0x100c05b8], eax
cmp dword [0x100bbbd0], 0
jne 0x10028293
mov ecx, dword [0x100bffd4]
push 0x100c0b3c
mov eax, dword [ecx]
call dword [eax + 4]
mov edi, dword [eax]
add edi, 0x2c
cmp edi, 0x1000
jbe 0x10028222
mov eax, 0x10022ab0
cmp eax, 0x1000
jbe 0x10028222
mov ebx, dword [edi]
lea eax, [ebp - 8]
mov esi, dword [sym.imp.KERNEL32.dll_VirtualProtect]
push eax
push 0x40
push 4
push edi
call esi
lea eax, [ebp - 0xc]
mov dword [edi], 0x10022ab0
push eax
push dword [ebp - 8]
push 4
push edi
call esi
pop edi
pop esi
mov dword [0x100bbbd0], ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
pop edi
xor ebx, ebx
pop esi
mov dword [0x100bbbd0], ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
mov edi, dword [0x100c05b8]
test edi, edi
je 0x10028293
mov ecx, dword [0x100bffd4]
push 0x100c0b3c
mov eax, dword [ecx]
call dword [eax + 4]
mov ebx, dword [eax]
add ebx, 0x2c
cmp ebx, 0x1000
jbe 0x10028289
cmp edi, 0x1000
jbe 0x10028289
mov esi, dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea eax, [ebp - 8]
push eax
push 0x40
push 4
push ebx
call esi
lea eax, [ebp - 0xc]
mov dword [ebx], edi
push eax
push dword [ebp - 8]
push 4
push ebx
call esi
mov dword [0x100bbbd0], 0
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
Function at 0x1002bf10
Capabilities:
Get hostname

Disassembly:
push 0x100b90ac
push 0x100c1280
call dword [sym.imp.KERNEL32.dll_GetComputerNameA]
call fcn.1002be20
cmp eax, 1
jne 0x1002bf3c
push str.Win_XP
push 0x100bbf08
call fcn.10008cb0
add esp, 8
call fcn.1002be20
cmp eax, 2
jne 0x1002bf58
push str.Win_Vista
push 0x100bbf08
call fcn.10008cb0
add esp, 8
call fcn.1002be20
cmp eax, 3
jne 0x1002bf74
push str.Win_7
push 0x100bbf08
call fcn.10008cb0
add esp, 8
call fcn.1002be20
cmp eax, 4
jne 0x1002bf90
push str.Win_8
push 0x100bbf08
call fcn.10008cb0
add esp, 8
call fcn.1002be20
cmp eax, 5
jne 0x1002bfac
push str.Wi_10
push 0x100bbf08
call fcn.10008cb0
add esp, 8
ret
Function at 0x1002eef0
Capabilities:
Get disk information

Disassembly:
push esi
push 0x64
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
add esp, 4
mov esi, eax
push 0xff
push 0x100c0448
push 0x100bffb4
push 0x100bbc80
push 0x100bf93c
push 0xff
push 0x100bb7b8
push 0x100a6fcc
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
mov ecx, dword [0x100bf93c]
mov eax, ecx
shl eax, 5
add eax, ecx
push eax
imul eax, ecx, 0x19
push eax
push str._2x_2x
push esi
call fcn.10008cb0
add esp, 0x10
mov eax, esi
pop esi
ret
Function at 0x100678e0
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x100b800c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_VirtualProtect]
push esi
push edi
mov esi, edx
mov edi, ecx
nop dword [eax]
cmp byte [edi], 0x6a
jne 0x10067980
cmp esi, 0x1000
jbe 0x1006795b
cmp edi, 0x1000
jbe 0x1006795b
lea eax, [ebp - 8]
push eax
push 0x80
push 7
push esi
call ebx
push 7
push edi
push esi
call sub.VCRUNTIME140.dll_memmove
add esp, 0xc
lea eax, [ebp - 0x10]
push eax
push dword [ebp - 8]
push 7
push esi
call ebx
mov edx, dword [ebp + 8]
lea ecx, [esi + 7]
push 5
lea edx, [edx + 7]
call fcn.10018d00
add esp, 4
lea eax, [ebp - 0x14]
push eax
push 0x40
push 5
jmp 0x100679ee
mov edx, dword [ebp + 8]
lea ecx, [esi + 7]
push 5
lea edx, [edx + 7]
call fcn.10018d00
add esp, 4
cmp esi, 0x1000
jbe 0x100679f1
lea eax, [ebp - 0x14]
push eax
push 0x40
push 5
jmp 0x100679ee
cmp esi, 0x1000
jbe 0x100679cb
cmp edi, 0x1000
jbe 0x100679cb
lea eax, [ebp - 0xc]
push eax
push 0x80
push 5
push esi
call ebx
push 5
push edi
push esi
call sub.VCRUNTIME140.dll_memmove
add esp, 0xc
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0xc]
push 5
push esi
call ebx
mov edx, dword [ebp + 8]
lea ecx, [esi + 5]
push 5
lea edx, [edx + 5]
call fcn.10018d00
add esp, 4
jmp 0x100679e6
mov edx, dword [ebp + 8]
lea ecx, [esi + 5]
push 5
lea edx, [edx + 5]
call fcn.10018d00
add esp, 4
cmp esi, 0x1000
jbe 0x100679f1
lea eax, [ebp - 0x1c]
push eax
push 0x40
push 7
push esi
call ebx
mov al, byte [edi]
cmp al, 0x8b
je 0x10067a08
cmp al, 0x6a
je 0x10067a08
push 5
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x10067900
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
Function at 0x10068c80
Capabilities:
Access peb ldr_data
Allocate or change rwx memory
Create thread
Execute shellcode via indirect call
Spawn thread to rwx shellcode

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
mov eax, dword [0x100b800c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [ebp + 0xc], 1
push edi
mov edi, dword [ebp + 8]
jne 0x10068d82
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov ecx, dword [eax + 0x18]
test ecx, ecx
je 0x10068d07
cmp ecx, edi
jne 0x10068cfe
mov edx, dword [eax + 4]
test edx, edx
je 0x10068ccc
mov ecx, dword [eax]
mov dword [edx], ecx
mov edx, dword [eax + 4]
test edx, edx
je 0x10068ccc
mov ecx, dword [eax]
mov dword [ecx + 4], edx
mov edx, dword [eax + 0x14]
test edx, edx
je 0x10068cd8
mov ecx, dword [eax + 0x10]
mov dword [edx], ecx
mov edx, dword [eax + 0x10]
test edx, edx
je 0x10068ce5
mov ecx, dword [eax + 0x14]
mov dword [edx + 4], ecx
mov edx, dword [eax + 8]
test edx, edx
je 0x10068cfe
mov ecx, dword [eax + 0xc]
mov dword [ecx], edx
mov edx, dword [eax + 8]
test edx, edx
je 0x10068cfe
mov ecx, dword [eax + 0xc]
mov dword [edx + 4], ecx
mov eax, dword [eax]
mov ecx, dword [eax + 0x18]
test ecx, ecx
jne 0x10068cb1
push esi
push 0x1c
lea eax, [ebp - 0x20]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
mov esi, dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea eax, [ebp - 0xc]
push eax
push 0x40
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call esi
push 0xc8
push 0
push edi
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
push 0
push dword [ebp - 0xc]
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call esi
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_FlushInstructionCache]
mov esi, dword [sym.imp.KERNEL32.dll_CreateThread]
push 0
push 0
push 0
push 0x10049c70
push 0
push 0
call esi
push 0
push 0
push 0
push 0x10067cd0
push 0
push 0
call esi
pop esi
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
pop edi
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret 0xc
Function at 0x100693e0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x14
push ebx
mov ebx, ecx
push esi
push edi
cmp dword [ebx + 0x38], 0
je 0x1006940c
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsputn_char_const___long_long___int64__]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x20]
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 0x10]
mov dword [esp + 0x18], esi
mov eax, dword [eax]
mov dword [esp + 0x1c], edi
mov dword [esp + 0x14], eax
test eax, eax
je 0x1006942e
mov eax, dword [ebx + 0x30]
mov eax, dword [eax]
jmp 0x10069430
xor eax, eax
cdq
mov dword [esp + 0xc], eax
mov ecx, edx
mov dword [esp + 0x10], ecx
test edi, edi
jl 0x100694b5
jg 0x10069445
test esi, esi
je 0x100694b5
test ecx, ecx
jl 0x10069498
jg 0x1006944f
test eax, eax
je 0x10069498
cmp edi, ecx
jg 0x10069463
jl 0x10069459
cmp esi, eax
jae 0x10069463
mov eax, esi
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], edi
push eax
push dword [ebp + 8]
push dword [esp + 0x1c]
call sub.VCRUNTIME140.dll_memcpy
mov ecx, dword [esp + 0x18]
add esp, 0xc
mov eax, dword [ebx + 0x30]
sub esi, ecx
mov edx, dword [ebp + 8]
sbb edi, dword [esp + 0x10]
add edx, ecx
sub dword [eax], ecx
mov eax, dword [ebx + 0x20]
add dword [eax], ecx
test edi, edi
jl 0x100694b5
jg 0x1006949b
test esi, esi
je 0x100694b5
jmp 0x1006949b
mov edx, dword [ebp + 8]
mov eax, dword [ebx + 0x4c]
test eax, eax
je 0x100694b5
push eax
push esi
push 1
push edx
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
sub esi, eax
sbb edi, 0
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
sub eax, esi
sbb edx, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x100694d0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 8]
mov dword [ebp - 4], ecx
push esi
mov esi, dword [ebp + 0xc]
test eax, eax
jg 0x100694fc
jl 0x100694f0
test esi, esi
jne 0x100694fc
pop esi
xor eax, eax
xor edx, edx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebx + 0x38], 0
je 0x10069515
push eax
push esi
push ecx
mov ecx, ebx
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsgetn_char___long_long___int64__]
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x1c]
push edi
mov edi, esi
mov edx, dword [eax]
test edx, edx
je 0x1006954f
mov eax, dword [ebx + 0x2c]
mov eax, dword [eax]
test eax, eax
je 0x1006954f
mov edi, dword [ebp + 0xc]
cmp eax, edi
cmovb esi, eax
push esi
push edx
push ecx
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x2c]
sub edi, esi
add dword [ebp - 4], esi
add esp, 0xc
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
mov esi, dword [ebp + 0xc]
cmp dword [ebx + 0x4c], 0
mov edx, edi
je 0x100695d0
mov ecx, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [ecx], eax
jne 0x10069578
mov eax, dword [ebx + 0xc]
mov edx, dword [ebx + 0x54]
mov ecx, dword [ebx + 0x50]
sub edx, ecx
mov dword [eax], ecx
mov eax, dword [ebx + 0x1c]
mov dword [eax], ecx
mov eax, dword [ebx + 0x2c]
mov dword [eax], edx
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
mov edx, edi
mov ecx, dword [ebp - 4]
cmp edi, 0xfff
jbe 0x100695bc
nop word [eax + eax]
push dword [ebx + 0x4c]
push 0xfff
push 1
push ecx
call eax
mov ecx, dword [ebp - 4]
sub edi, eax
add ecx, eax
add esp, 0x10
mov dword [ebp - 4], ecx
mov edx, edi
cmp eax, 0xfff
jne 0x100695e3
cmp edi, eax
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
ja 0x10069590
test edx, edx
je 0x100695d0
push dword [ebx + 0x4c]
push edi
push 1
push ecx
call eax
mov edx, edi
add esp, 0x10
sub edx, eax
sub esi, edx
mov edx, dword [ebp + 0x10]
pop edi
mov eax, esi
sbb edx, 0
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov edx, dword [ebp + 0x10]
sub esi, edi
pop edi
mov eax, esi
sbb edx, 0
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x10069910
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov eax, dword [0x100b800c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp ebx, 0xffffffff
jne 0x10069940
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret 4
mov eax, dword [esi + 0x20]
mov eax, dword [eax]
test eax, eax
je 0x10069970
mov edx, dword [esi + 0x30]
mov edx, dword [edx]
add edx, eax
cmp eax, edx
jae 0x10069970
call dword [sym.imp.MSVCP140.dll_protected:_char____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::_Pninc_void_]
pop esi
mov byte [eax], bl
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret 4
cmp dword [esi + 0x4c], 0
push edi
je 0x10069a46
mov edi, dword [esi + 0xc]
lea eax, [esi + 0x3c]
cmp dword [edi], eax
jne 0x10069999
mov edx, dword [esi + 0x54]
mov ecx, dword [esi + 0x50]
sub edx, ecx
mov dword [edi], ecx
mov eax, dword [esi + 0x1c]
mov dword [eax], ecx
mov eax, dword [esi + 0x2c]
mov dword [eax], edx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x100699a5
movsx eax, bl
jmp 0x100699dd
lea eax, [ebp - 0x2c]
mov byte [ebp - 0x25], bl
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x30]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x25]
push eax
lea eax, [esi + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::out_struct__Mbstatet___char_const___char_const___char_const____char___char___char___const]
sub eax, 0
je 0x10069a07
sub eax, 1
je 0x10069a07
sub eax, 2
jne 0x10069a46
movsx eax, byte [ebp - 0x25]
push dword [esi + 0x4c]
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fputc]
add esp, 8
or ecx, 0xffffffff
cmp eax, ecx
cmovne ecx, ebx
pop edi
pop esi
mov eax, ecx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret 4
mov edi, dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x10069a25
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x10069a46
lea eax, [ebp - 0x25]
mov byte [esi + 0x3d], 1
cmp dword [ebp - 0x30], eax
je 0x10069a46
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp - 4]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret 4
Function at 0x100796e0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x100b800c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
cmp dword [esi + 0x38], 0
je 0x1007979c
cmp byte [esi + 0x3d], 0
je 0x1007979c
mov eax, dword [esi]
push edi
push 0xffffffffffffffff
call dword [eax + 0xc]
cmp eax, 0xffffffff
je 0x1007978a
mov ecx, dword [esi + 0x38]
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [esi + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::unshift_struct__Mbstatet___char___char___char___const]
sub eax, 0
je 0x10079751
sub eax, 1
je 0x10079755
sub eax, 2
jne 0x1007978a
mov byte [esi + 0x3d], al
mov al, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
mov byte [esi + 0x3d], 0
mov edi, dword [ebp - 0x28]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x10079773
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x1007978a
cmp byte [esi + 0x3d], 0
pop edi
sete al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov al, 1
xor ecx, ebp
pop esi
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret

Function at 0x1007cd70
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 3
xor eax, eax
mov dl, byte [edi + eax - 0x2dde7edd]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007cd9e
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007cd81
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4

Function at 0x1007cdb0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 0xb5
xor eax, eax
mov dl, byte [edi + eax - 0x39e8c79c]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007cdde
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007cdc1
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4

Function at 0x1007cdf0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 0x7e
xor eax, eax
mov dl, byte [edi + eax + 0x47b30cfa]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007ce1e
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007ce01
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4
Function at 0x1007ce30
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 0x90
xor eax, eax
mov dl, byte [edi + eax + 0x2c0f6166]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007ce5e
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007ce41
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4

Function at 0x1007f750
Capabilities:
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1008ff5d
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x100b800c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x14], esi
mov dword [ebp - 0x14], esi
mov dword [ebp - 4], 0
lea eax, [ebp + 8]
cmp dword [ebp + 0x1c], 0x10
lea ecx, [ebp - 0x84]
push dword [ebp + 0x18]
cmovae eax, dword [ebp + 8]
push eax
mov byte [ebp - 0x84], 0
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x38], 0x67452301
mov dword [ebp - 0x34], 0xefcdab89
mov dword [ebp - 0x30], 0x98badcfe
mov dword [ebp - 0x2c], 0x10325476
call fcn.1007f5e0
cmp byte [ebp - 0x84], 0
jne 0x1007f8a1
xor edx, edx
lea ecx, [ebp - 0x3f]
movzx eax, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x18], al
movzx eax, byte [ecx - 4]
mov byte [ebp + edx - 0x17], al
movzx eax, byte [ecx - 3]
mov byte [ebp + edx - 0x16], al
movzx eax, byte [ecx - 2]
mov byte [ebp + edx - 0x15], al
add edx, 4
cmp edx, 8
jb 0x1007f7e5
mov edx, dword [ebp - 0x40]
mov ecx, 0x78
shr edx, 3
mov eax, 0x38
and edx, 0x3f
sub ecx, edx
sub eax, edx
cmp edx, 0x38
cmovae eax, ecx
lea ecx, [ebp - 0x84]
push eax
push 0x100b9ab8
call fcn.1007f5e0
push 8
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 0x84]
call fcn.1007f5e0
xor edx, edx
lea ecx, [ebp - 0x37]
movzx eax, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x28], al
movzx eax, byte [ecx - 4]
mov byte [ebp + edx - 0x27], al
movzx eax, byte [ecx - 3]
mov byte [ebp + edx - 0x26], al
movzx eax, byte [ecx - 2]
mov byte [ebp + edx - 0x25], al
add edx, 4
cmp edx, 0x10
jb 0x1007f854
push 0x40
lea eax, [ebp - 0x83]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
xorps xmm0, xmm0
mov byte [ebp - 0x84], 1
add esp, 0xc
movq qword [ebp - 0x40], xmm0
push esi
lea ecx, [ebp - 0x84]
call fcn.1007f690
mov edx, dword [ebp + 0x1c]
cmp edx, 0x10
jb 0x1007f8e3
mov ecx, dword [ebp + 8]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x1007f8d9
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x1007f8d9
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.100802df
add esp, 8
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.1007f9b9
mov esp, ebp
pop ebp
ret
Function at 0x4ba558
Capabilities:
Clear file content

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
mov ebx, dword [ebp + 8]
lea ecx, [ebp - 0x2c]
push esi
push edi
push dword [ebp + 0x10]
mov edi, dword [ebp + 0x14]
push dword [ebp + 0xc]
push ebx
call fcn.004ba6ef
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x4ba6c7
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0x4ba6c7
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0x4ba67c
jg 0x4ba5b4
test eax, eax
je 0x4ba672
push 1
push 0x1000
call fcn.004ae124
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x4ba5d7
push 0xc
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x4ba669
push 0x8000
push ebx
call fcn.004a449b
pop ecx
pop ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x18]
test eax, eax
jl 0x4ba600
jg 0x4ba5fb
cmp ecx, 0x1000
jb 0x4ba600
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.004b3b66
add esp, 0x10
cmp eax, 0xffffffff
je 0x4ba645
mov ecx, dword [ebp - 4]
cdq
sub ecx, eax
mov eax, dword [ebp - 8]
mov dword [ebp - 4], ecx
sbb eax, edx
mov dword [ebp - 8], eax
test eax, eax
jg 0x4ba5fb
jl 0x4ba62c
test ecx, ecx
jne 0x4ba5ed
push dword [ebp - 0xc]
push ebx
call fcn.004a449b
push esi
call fcn.004acddf
add esp, 0xc
xor ebx, ebx
jmp 0x4ba6d5
cmp byte [edi + 0x24], 0
je 0x4ba65c
cmp dword [edi + 0x20], 5
jne 0x4ba65c
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0x4ba667
mov ebx, dword [edi + 0x18]
jmp 0x4ba669
xor ebx, ebx
push esi
call fcn.004acddf
pop ecx
jmp 0x4ba6d5
test ecx, ecx
jg 0x4ba63e
jl 0x4ba67c
test eax, eax
jae 0x4ba63e
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.004b2bd4
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0x4ba69c
cmp byte [edi + 0x1c], 0
je 0x4ba63e
jmp 0x4ba6cd
push ebx
call fcn.004b3259
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0x4ba63e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0xd
mov byte [edi + 0x24], 1
mov dword [edi + 0x20], eax
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x4ba6d5
cmp byte [edi + 0x1c], 0
je 0x4ba6d2
mov ebx, dword [edi + 0x18]
jmp 0x4ba6d5
push 0x16
pop ebx
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.004b2bd4
add esp, 0x10
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret

Function at 0x13b2b74
Capabilities:
Encode data using xor

Disassembly:
jmp 0x13b2b7e
pushal
call 0x13b2b84
pop ebp
sub ebp, 0x10
sub ebp, 0xfb2b74
jmp 0x13b2b9a
mov eax, 0xfb2b74
add eax, ebp
add eax, 0x4c
mov ecx, 0x5c1
mov edx, 0x67bb8af4
xor byte [eax], dl
inc eax
dec ecx
jne 0x13b2bb1
jmp 0x13b2bc4
jg 0x13b2bff
jg 0x13b2c45
enter 0xfffffffffffff4f4, 0xfffffffffffffff4
jne 0x13b2c03
or al, 0xf4
hlt
pushfd
adc byte [edx], al
pushfd
xchg edi, eax
sbb al, 0xf1
hlt
invalid