joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4099f2
Capabilities:
Write file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x3a0]
sub esp, 0x420
mov eax, dword [0x414044]
push edi
xor edi, edi
cmp dword [ebp + 0x3b0], edi
mov dword [ebp + 0x39c], eax
mov dword [ebp - 0x78], edi
mov dword [ebp - 0x7c], edi
jne 0x409a23
xor eax, eax
jmp 0x409bac
mov eax, dword [ebp + 0x3a8]
push ebx
mov ebx, dword [ebp + 0x3a8]
and eax, 0x1f
sar ebx, 5
push esi
lea esi, [eax + eax*8]
lea ebx, [ebx*4 + 0x4504c0]
mov eax, dword [ebx]
shl esi, 2
test byte [eax + esi + 4], 0x20
je 0x409a5f
push 2
push edi
push edi
push dword [ebp + 0x3a8]
call fcn.0040d43c
add esp, 0x10
mov eax, dword [ebx]
add eax, esi
test byte [eax + 4], 0x80
je 0x409b3a
cmp dword [ebp + 0x3b0], edi
mov eax, dword [ebp + 0x3ac]
mov dword [ebp - 0x74], eax
mov dword [ebp - 0x6c], edi
jbe 0x409b78
mov ecx, dword [ebp - 0x74]
sub ecx, dword [ebp + 0x3ac]
lea eax, [ebp - 0x68]
mov dword [ebp - 0x70], edi
cmp ecx, dword [ebp + 0x3b0]
jae 0x409ac3
mov edx, dword [ebp - 0x74]
inc dword [ebp - 0x74]
mov dl, byte [edx]
inc ecx
cmp dl, 0xa
jne 0x409ab4
inc dword [ebp - 0x7c]
mov byte [eax], 0xd
inc eax
inc dword [ebp - 0x70]
mov byte [eax], dl
inc eax
inc dword [ebp - 0x70]
cmp dword [ebp - 0x70], 0x400
jl 0x409a94
mov edi, eax
lea eax, [ebp - 0x68]
sub edi, eax
push 0
lea eax, [ebp - 0x80]
push eax
push edi
lea eax, [ebp - 0x68]
push eax
mov eax, dword [ebx]
push dword [eax + esi]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x409b03
mov eax, dword [ebp - 0x80]
add dword [ebp - 0x78], eax
cmp eax, edi
jl 0x409b0c
mov eax, dword [ebp - 0x74]
sub eax, dword [ebp + 0x3ac]
xor edi, edi
cmp eax, dword [ebp + 0x3b0]
jb 0x409a85
jmp 0x409b0e
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x6c], eax
xor edi, edi
mov eax, dword [ebp - 0x78]
cmp eax, edi
jne 0x409ba7
cmp dword [ebp - 0x6c], edi
je 0x409b78
push 5
pop esi
cmp dword [ebp - 0x6c], esi
jne 0x409b6d
call fcn.0040996d
mov dword [eax], 9
call fcn.00409976
mov dword [eax], esi
jmp 0x409ba2
push edi
lea ecx, [ebp - 0x80]
push ecx
push dword [ebp + 0x3b0]
push dword [ebp + 0x3ac]
push dword [eax]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x409b62
mov eax, dword [ebp - 0x80]
mov dword [ebp - 0x6c], edi
mov dword [ebp - 0x78], eax
jmp 0x409b0e
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x6c], eax
jmp 0x409b0e
push dword [ebp - 0x6c]
call fcn.0040997f
pop ecx
jmp 0x409ba2
mov eax, dword [ebx]
test byte [eax + esi + 4], 0x40
je 0x409b90
mov eax, dword [ebp + 0x3ac]
cmp byte [eax], 0x1a
jne 0x409b90
xor eax, eax
jmp 0x409baa
call fcn.0040996d
mov dword [eax], 0x1c
call fcn.00409976
mov dword [eax], edi
or eax, 0xffffffff
jmp 0x409baa
sub eax, dword [ebp - 0x7c]
pop esi
pop ebx
mov ecx, dword [ebp + 0x39c]
pop edi
call fcn.0040673e
add ebp, 0x3a0
leave
ret
Function at 0x40a3fc
Capabilities:
Terminate process

Disassembly:
push 8
push 0x411ab8
call fcn.0040718c
push 8
call fcn.0040c774
pop ecx
xor edi, edi
mov dword [ebp - 4], edi
xor esi, esi
inc esi
cmp dword [0x44fdf4], esi
jne 0x40a430
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
mov dword [0x44fdf0], esi
mov al, byte [ebp + 0x10]
mov byte [0x44fdec], al
cmp dword [ebp + 0xc], edi
jne 0x40a47a
cmp dword [0x4505c8], edi
je 0x40a46a
mov eax, dword [0x4505c4]
sub eax, 4
mov dword [0x4505c4], eax
cmp eax, dword [0x4505c8]
jb 0x40a46a
mov eax, dword [eax]
cmp eax, edi
je 0x40a44b
call eax
jmp 0x40a44b
push 0x414028
mov eax, 0x414020
call fcn.0040a37a
pop ecx
push 0x414030
mov eax, 0x41402c
call fcn.0040a37a
pop ecx
or dword [ebp - 4], 0xffffffff
call 0x40a4ab
cmp dword [ebp + 0x10], edi
jne 0x40a4b9
mov dword [0x44fdf4], esi
push dword [ebp + 8]
call fcn.0040a338
xor edi, edi
xor esi, esi
inc esi
cmp dword [ebp + 0x10], edi
je 0x40a4b8
push 8
call fcn.0040c6bf
pop ecx
ret
call fcn.004071c7
ret

Function at 0x40a4ff
Capabilities:
Write file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x8c]
sub esp, 0x10c
mov eax, dword [0x414044]
mov ecx, dword [ebp + 0x94]
push ebx
push esi
mov dword [ebp + 0x88], eax
xor edx, edx
push edi
xor eax, eax
cmp ecx, dword [eax*8 + 0x414490]
je 0x40a534
inc eax
cmp eax, 0x13
jb 0x40a525
mov esi, eax
shl esi, 3
cmp ecx, dword [esi + 0x414490]
jne 0x40a65a
mov eax, dword [0x44fd8c]
cmp eax, 1
je 0x40a632
cmp eax, edx
jne 0x40a564
cmp dword [0x414074], 1
je 0x40a632
cmp ecx, 0xfc
je 0x40a65a
push 0x104
lea eax, [ebp - 0x80]
push eax
push edx
mov byte [ebp + 0x84], dl
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x40a59a
lea eax, [ebp - 0x80]
push str._program_name_unknown_
push eax
call fcn.0040b0a0
pop ecx
pop ecx
lea edi, [ebp - 0x80]
mov eax, edi
push eax
call fcn.00406750
inc eax
cmp eax, 0x3c
pop ecx
jbe 0x40a5ce
mov eax, edi
push eax
call fcn.00406750
mov edi, eax
lea eax, [ebp - 0x80]
sub eax, 0x3b
push 3
add edi, eax
push 0x411744
push edi
call fcn.0040b1a0
add esp, 0x10
push edi
call fcn.00406750
push dword [esi + 0x414494]
mov ebx, eax
call fcn.00406750
lea eax, [ebx + eax + 0x1c]
pop ecx
add eax, 3
pop ecx
and eax, 0xfffffffc
call fcn.0040af60
mov ebx, esp
push str.Runtime_Error__n_nProgram:
push ebx
call fcn.0040b0a0
push edi
push ebx
call fcn.0040b0b0
push 0x411740
push ebx
call fcn.0040b0b0
push dword [esi + 0x414494]
push ebx
call fcn.0040b0b0
push 0x12010
push str.Microsoft_Visual_C_Runtime_Library
push ebx
call fcn.0040af9d
add esp, 0x2c
jmp 0x40a65a
push edx
lea eax, [ebp + 0x94]
push eax
lea esi, [esi + 0x414494]
push dword [esi]
call fcn.00406750
pop ecx
push eax
push dword [esi]
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
lea esp, [ebp - 0x8c]
mov ecx, dword [ebp + 0x88]
call fcn.0040673e
pop edi
pop esi
pop ebx
add ebp, 0x8c
leave
ret
Function at 0x40af9d
Capabilities:
Link many functions at runtime

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push ebx
xor ebx, ebx
cmp dword [0x44ff0c], ebx
push esi
push edi
jne 0x40b01d
push str.user32.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
cmp edi, ebx
je 0x40b058
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x411efc
push edi
call esi
test eax, eax
mov dword [0x44ff0c], eax
je 0x40b058
push str.GetActiveWindow
push edi
call esi
push str.GetLastActivePopup
push edi
mov dword [0x44ff10], eax
call esi
cmp dword [0x44fdb4], 2
mov dword [0x44ff14], eax
jne 0x40b01d
push str.GetUserObjectInformationA
push edi
call esi
test eax, eax
mov dword [0x44ff1c], eax
je 0x40b01d
push str.GetProcessWindowStation
push edi
call esi
mov dword [0x44ff18], eax
mov eax, dword [0x44ff18]
test eax, eax
je 0x40b062
call eax
test eax, eax
je 0x40b049
lea ecx, [ebp - 4]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call dword [0x44ff1c]
test eax, eax
je 0x40b049
test byte [ebp - 8], 1
jne 0x40b062
cmp dword [0x44fdc0], 4
jb 0x40b05c
or byte [ebp + 0x12], 0x20
jmp 0x40b081
xor eax, eax
jmp 0x40b091
or byte [ebp + 0x12], 4
jmp 0x40b081
mov eax, dword [0x44ff10]
test eax, eax
je 0x40b081
call eax
mov ebx, eax
test ebx, ebx
je 0x40b081
mov eax, dword [0x44ff14]
test eax, eax
je 0x40b081
push ebx
call eax
mov ebx, eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
push ebx
call dword [0x44ff0c]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x40b3b2
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, dword [esi + 8]
test bl, 3
jne 0x40b3e0
mov eax, dword fs:[0x18]
mov dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [eax + 8]
cmp ebx, ecx
mov dword [ebp - 4], ecx
jb 0x40b3e7
cmp ebx, dword [eax + 4]
jae 0x40b3e7
xor eax, eax
jmp 0x40b5d7
push edi
mov edi, dword [esi + 0xc]
cmp edi, 0xffffffff
jne 0x40b3f8
xor eax, eax
inc eax
jmp 0x40b5d6
xor edx, edx
mov dword [ebp + 8], edx
mov eax, ebx
mov ecx, dword [eax]
cmp ecx, 0xffffffff
je 0x40b40e
cmp ecx, edx
jae 0x40b553
cmp dword [eax + 4], 0
je 0x40b417
inc dword [ebp + 8]
inc edx
add eax, 0xc
cmp edx, edi
jbe 0x40b3ff
cmp dword [ebp + 8], 0
je 0x40b439
mov eax, dword [esi - 8]
cmp eax, dword [ebp - 4]
jb 0x40b553
cmp eax, esi
jae 0x40b553
mov eax, dword [0x44ff20]
mov edi, ebx
and edi, 0xfffff000
xor esi, esi
test eax, eax
jle 0x40b45e
cmp dword [esi*4 + 0x44ff28], edi
je 0x40b557
inc esi
cmp esi, eax
jl 0x40b44c
push 0x1c
lea eax, [ebp - 0x20]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x40b5d3
cmp dword [ebp - 8], 0x1000000
jne 0x40b5d3
test byte [ebp - 0xc], 0xcc
je 0x40b4dc
mov ecx, dword [ebp - 0x1c]
cmp word [ecx], 0x5a4d
jne 0x40b5d3
mov eax, dword [ecx + 0x3c]
add eax, ecx
cmp dword [eax], 0x4550
jne 0x40b5d3
cmp word [eax + 0x18], 0x10b
jne 0x40b5d3
sub ebx, ecx
cmp word [eax + 6], 0
movzx ecx, word [eax + 0x14]
lea ecx, [ecx + eax + 0x18]
jbe 0x40b5d3
mov eax, dword [ecx + 0xc]
cmp ebx, eax
jb 0x40b4dc
mov edx, dword [ecx + 8]
add edx, eax
cmp ebx, edx
jae 0x40b4dc
test byte [ecx + 0x27], 0x80
jne 0x40b553
push 1
push 0x44ff68
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
test eax, eax
jne 0x40b3f0
mov ecx, dword [0x44ff20]
test ecx, ecx
mov edx, ecx
jle 0x40b510
lea eax, [ecx*4 + 0x44ff24]
cmp dword [eax], edi
je 0x40b510
dec edx
sub eax, 4
test edx, edx
jg 0x40b504
test edx, edx
jne 0x40b541
push 0xf
pop ebx
cmp ecx, ebx
jg 0x40b51d
mov ebx, ecx
xor edx, edx
test ebx, ebx
jl 0x40b535
lea eax, [edx*4 + 0x44ff28]
mov esi, dword [eax]
inc edx
cmp edx, ebx
mov dword [eax], edi
mov edi, esi
jle 0x40b523
cmp ecx, 0x10
jge 0x40b541
inc ecx
mov dword [0x44ff20], ecx
push 0
push 0x44ff68
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
jmp 0x40b3f0
xor eax, eax
jmp 0x40b5d6
test esi, esi
jle 0x40b3f0
mov ebx, dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push 1
push 0x44ff68
call ebx
test eax, eax
jne 0x40b3f0
cmp dword [esi*4 + 0x44ff28], edi
je 0x40b5ad
mov eax, dword [0x44ff20]
lea esi, [eax - 1]
test esi, esi
jl 0x40b59b
cmp dword [esi*4 + 0x44ff28], edi
je 0x40b597
dec esi
jns 0x40b58b
test esi, esi
jge 0x40b5ab
cmp eax, 0x10
jge 0x40b5a6
inc eax
mov dword [0x44ff20], eax
lea esi, [eax - 1]
jmp 0x40b5ad
je 0x40b5c5
xor ecx, ecx
test esi, esi
jl 0x40b5c5
lea eax, [ecx*4 + 0x44ff28]
mov edx, dword [eax]
inc ecx
cmp ecx, esi
mov dword [eax], edi
mov edi, edx
jle 0x40b5b3
push 0
push 0x44ff68
call ebx
jmp 0x40b3f0
or eax, 0xffffffff
pop edi
pop esi
pop ebx
leave
ret
Function at 0x40c8fc
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push ebx
push esi
push edi
push 4
pop eax
call fcn.0040af60
mov esi, esp
push 0x1c
lea eax, [ebp - 0x28]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x40c997
mov ebx, dword [ebp - 0x24]
lea eax, [ebp - 0x4c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [ebp - 0x48]
mov eax, dword [0x44fdb4]
lea edi, [ecx - 1]
not edi
and edi, esi
sub edi, ecx
mov esi, eax
dec esi
neg esi
sbb esi, esi
and esi, 0xfffffff1
add esi, 0x11
imul esi, ecx
add esi, ebx
cmp edi, esi
mov dword [ebp - 8], ecx
jb 0x40c997
cmp eax, 1
je 0x40c9b8
mov dword [ebp - 4], ebx
mov ebx, 0x1000
push 0x1c
lea eax, [ebp - 0x28]
push eax
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x40c997
mov eax, dword [ebp - 0x1c]
add dword [ebp - 4], eax
test dword [ebp - 0x18], ebx
je 0x40c964
test byte [ebp - 0x13], 1
mov eax, dword [ebp - 0x28]
mov dword [ebp - 4], eax
je 0x40c993
xor eax, eax
inc eax
jmp 0x40c9d7
cmp edi, eax
jae 0x40c99b
xor eax, eax
jmp 0x40c9d7
cmp eax, esi
jae 0x40c9a2
mov dword [ebp - 4], esi
push 4
push ebx
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov eax, dword [0x44fdb4]
jmp 0x40c9bb
mov dword [ebp - 4], edi
dec eax
neg eax
sbb eax, eax
and eax, 0x103
lea ecx, [ebp - 0xc]
push ecx
inc eax
push eax
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea esp, [ebp - 0x58]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x40f920
Capabilities:
Clear file content

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x100c
call fcn.0040af60
mov eax, dword [0x414044]
push ebx
push esi
push 1
xor esi, esi
push esi
push dword [ebp + 8]
mov dword [ebp - 4], eax
call fcn.0040b5db
or ebx, 0xffffffff
add esp, 0xc
cmp eax, ebx
mov dword [ebp - 0x1008], eax
je 0x40fa53
push 2
push esi
push dword [ebp + 8]
call fcn.0040b5db
add esp, 0xc
cmp eax, ebx
je 0x40fa53
push edi
mov edi, dword [ebp + 0xc]
sub edi, eax
test edi, edi
jle 0x40f9f3
mov ebx, 0x1000
push ebx
lea eax, [ebp - 0x1004]
push esi
push eax
call fcn.00406d60
push 0x8000
push dword [ebp + 8]
call fcn.00410226
add esp, 0x14
mov dword [ebp - 0x100c], eax
cmp edi, ebx
mov eax, ebx
jge 0x40f9a9
mov eax, edi
push eax
lea eax, [ebp - 0x1004]
push eax
push dword [ebp + 8]
call fcn.004099f2
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f9c9
sub edi, eax
test edi, edi
jg 0x40f9a1
jmp 0x40f9e1
call fcn.00409976
cmp dword [eax], 5
jne 0x40f9de
call fcn.0040996d
mov dword [eax], 0xd
or esi, 0xffffffff
push dword [ebp - 0x100c]
push dword [ebp + 8]
call fcn.00410226
pop ecx
pop ecx
jmp 0x40fa3b
jge 0x40fa3b
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.0040b5db
push dword [ebp + 8]
call fcn.0040d1bd
add esp, 0x10
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
mov esi, eax
neg esi
sbb esi, esi
neg esi
dec esi
cmp esi, ebx
jne 0x40fa3b
call fcn.0040996d
mov dword [eax], 0xd
call fcn.00409976
mov edi, eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [edi], eax
push 0
push dword [ebp - 0x1008]
push dword [ebp + 8]
call fcn.0040b5db
add esp, 0xc
mov eax, esi
pop edi
jmp 0x40fa55
mov eax, ebx
mov ecx, dword [ebp - 4]
pop esi
pop ebx
call fcn.0040673e
leave
ret
Function at 0x552ed0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xd4000]
push edi
jmp 0x552eea
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x552ef1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x552ee0
mov eax, 1
add ebx, ebx
jne 0x552f03
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x552f14
jne 0x552f33
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x552f33
dec eax
add ebx, ebx
jne 0x552f20
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x552ef8
add ebx, ebx
jne 0x552f2f
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x552f85
xor ecx, ecx
sub eax, 3
jb 0x552f4b
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x552fba
sar eax, 1
mov ebp, eax
jmp 0x552f56
add ebx, ebx
jne 0x552f56
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x552f24
inc ecx
add ebx, ebx
jne 0x552f64
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x552f24
add ebx, ebx
jne 0x552f71
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x552f66
jne 0x552f82
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x552f66
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x552fa4
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x552f96
jmp 0x552ee6
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x552fa4
add edi, ecx
jmp 0x552ee6
pop esi
mov edi, esi
mov ecx, 0x7f09
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x552fc2
cmp byte [edi], 0x1e
jne 0x552fc2
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x552fc7
lea edi, [esi + 0x14f000]
mov eax, dword [edi]
or eax, eax
je 0x55303f
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x157ae8]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x157c14]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x552ff4
mov ecx, edi
jns 0x553023
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x157c18]
or eax, eax
je 0x553039
mov dword [ebx], eax
add ebx, 4
jmp 0x553011
call dword [esi + 0x157c28]
mov ebp, dword [esi + 0x157c1c]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x217]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x553073
sub esp, 0xffffff80
jmp 0x48408a
Function at 0x40ad00
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4736db
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.00467e48
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40ad82
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00465a5d
mov eax, dword [eax]
push 0x4b41d0
push eax
call fcn.00457f04
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004680d3
test bl, bl
je 0x40ad82
push 0x4b41d0
lea ecx, [esp + 0xc]
call fcn.00468463
push 0x4b7d4c
lea ecx, [esp + 0xc]
call fcn.00468463
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 0x40adbe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004680d3
jmp 0x40ae89
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 0x40ae42
lea edx, [esp + 0x7c]
push 0x4b7d48
push edx
call fcn.00457f04
add esp, 8
test eax, eax
je 0x40ae42
lea eax, [esp + 0x7c]
push 0x4b7d44
push eax
call fcn.00457f04
add esp, 8
test eax, eax
je 0x40ae42
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 0x40add2
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.004680d3
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 0x40b680
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 0x40b6e2
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 0x40b6f0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x47375b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4beb88]
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 0x40b828
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40b756
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004680d3
xor eax, eax
jmp 0x40b89f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00468210
push esi
lea ecx, [esp + 0xc]
call fcn.0046849f
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 0x40b87d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040b680
test eax, eax
jne 0x40b87d
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.0040b680
test eax, eax
jne 0x40b87d
lea eax, [esp + 0x14]
push 0x4b7d60
push eax
call fcn.00458f40
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b85c
lea ecx, [esp + 0x14]
push 0x4b7d5c
push ecx
call fcn.00458ec0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40b85c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40b85f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004681c0
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40b76e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004680d3
xor eax, eax
jmp 0x40b89f
mov byte [esi], 0
push 0x4b7d58
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.004680d3
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 0x41dd90
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 0x41ddfe
cmp si, 0x69
ja 0x41ddfe
add esi, 0xffd0
cmp si, 0x11
je 0x41ddce
push 0x11
call edi
test ax, ax
jge 0x41ddce
or esi, 0x2000
cmp si, 0x10
je 0x41dde3
push 0x10
call edi
test ax, ax
jge 0x41dde3
or esi, 0x4000
cmp si, 0x12
je 0x41ddf8
push 0x12
call edi
test ax, ax
jge 0x41ddf8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41de0b
mov esi, 0xbd
jmp 0x41ddbf
cmp si, 0x6e
jne 0x41de18
mov esi, 0xbe
jmp 0x41ddbf
cmp si, 0x6f
jne 0x41ddb9
mov esi, 0xbf
jmp 0x41ddbf

Function at 0x41f4b0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4cf278]
xor edx, edx
cmp eax, edx
jne 0x41f4d6
xor eax, eax
mov byte [eax + 0x4cf178], al
inc eax
cmp eax, 0x100
jl 0x41f4be
mov dword [0x4cf278], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4cf178
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41f567
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 0x41f53a
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 0x41f508
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41f5e0
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 0x41f633
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 0x41f61a
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