joyce8/EMBER2024-capa huggingface dataset:
Function at 0x445470
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x4ba088]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea ecx, [ebp - 0x88]
push ecx
lea ecx, [ebp - 0x84]
or esi, 0xffffffff
push ecx
mov ebx, dword [edi + 0xc]
mov eax, dword [ebx + 0x14c]
push eax
mov dword [ebp - 0x8c], eax
mov dword [ebp - 0x88], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4454e4
lea eax, [ebp - 0x88]
mov dword [ebp - 0x88], 0x80
push eax
lea eax, [ebp - 0x84]
push eax
push dword [ebp - 0x8c]
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push dword [ebp - 0x8c]
push ebx
push edi
call fcn.0042e2a0
add esp, 0xc
cmp esi, 0xffffffff
jne 0x44551d
push 0x49ede8
push edi
call fcn.0042d940
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
push 0x49ee0c
push edi
call fcn.0042da00
push 1
push esi
mov byte [ebx + 0x23a], 0
mov dword [ebx + 0x14c], esi
call fcn.0043af40
add esp, 0x10
mov byte [ebx + 0x24d], 1
cmp dword [edi + 0x1b8], 0
je 0x44559a
push 1
push edi
call fcn.00420cf0
mov eax, dword [edi + 0x1b8]
push 1
push esi
push dword [edi + 0x1bc]
call eax
push 0
push edi
mov esi, eax
call fcn.00420cf0
add esp, 0x1c
test esi, esi
je 0x44559a
push ebx
push edi
call fcn.004459e0
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0045dc13
mov esp, ebp
pop ebp
ret

Function at 0x447a20
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
lea eax, [ecx - 0xc8]
xor edi, edi
mov ebx, dword [esi + 0xc]
cmp eax, 0x64
jb 0x447a52
push 0x49f438
push esi
call fcn.0042d940
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x447a69
push ecx
push 0x49f454
push esi
call fcn.0042da00
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x447a82
push ebx
push esi
call fcn.004476d0
add esp, 8
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x447a97
push esi
call fcn.004466d0
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x447aac
push esi
call fcn.004476b0
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x447abc
push esi
call fcn.00447900
add esp, 4
mov edi, eax
mov eax, edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x44dca0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push 0
mov byte [ebp + 0xa], cl
lea ecx, [ebp + 8]
push 3
mov eax, dword [esi + 0xc]
push ecx
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44dce8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 0x4a0738
push esi
call fcn.0042d940
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push 0x4a0754
push esi
call fcn.0044d550
add esp, 0x10
pop esi
pop ebx
pop ebp
ret

Function at 0x44de20
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
cmp dword [ebp + 0xc], 0x1f
push ebx
mov ebx, dword [ebp + 8]
mov eax, dword [ebx + 0x134]
mov ecx, dword [ebx + 0xc]
mov dword [ebp - 4], eax
mov dword [ebp - 8], ecx
jne 0x44df7d
push edi
lea ecx, [eax + 0x1cb4]
lea edi, [eax + 0x1eb4]
mov dword [edi], ecx
cmp ecx, edi
jae 0x44de70
mov byte [ecx], 0xff
inc ecx
mov dword [edi], ecx
cmp ecx, edi
jae 0x44de70
mov byte [ecx], 0xfa
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x44de70
mov byte [ecx], 0x1f
inc dword [edi]
movzx eax, word [eax + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [ebp + 8], eax
mov eax, dword [ebp - 4]
movzx eax, word [eax + 0x1caa]
push eax
call esi
mov edx, dword [ebp + 8]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x44dedc
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44dedc
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44dedc
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44dedc
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44dedc
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x44dedc
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov esi, dword [ebp - 4]
mov dword [esi + 0x1eb8], eax
lea ecx, [esi + 0x1cb4]
sub eax, ecx
mov dword [edi], ecx
sub eax, 2
push eax
lea eax, [esi + 0x1cb6]
push eax
push 0x3e
push ebx
call fcn.0044d650
add esp, 0x10
lea eax, [esi + 0x1cb4]
push 0
push 3
push eax
mov eax, dword [ebp - 8]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x44df3a
call edi
push eax
push 0x4a0738
push ebx
call fcn.0042d940
add esp, 0xc
push 4
lea eax, [esi + 0x1cb7]
push eax
push ebx
call fcn.0044dd00
add esp, 0xc
lea eax, [esi + 0x1cbb]
push 0
push 2
push eax
mov eax, dword [ebp - 8]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x44df7c
call edi
push eax
push 0x4a0738
push ebx
call fcn.0042d940
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x44e0e0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x4ba088]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x104]
push esi
push edi
push 0x80
push 0
push eax
mov dword [ebp - 0x908], ebx
call fcn.00475230
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.00475230
mov esi, dword [ebx + 0x134]
mov edi, dword [ebx + 0xc]
mov dword [ebp - 0x90c], edi
mov eax, dword [esi + 0x1eb8]
sub eax, dword [esi + 0x1eb4]
add eax, 2
push eax
lea eax, [esi + 0x1cb4]
push eax
push 0x3c
push ebx
call fcn.0044d650
mov eax, dword [esi + 0x1eb4]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb4], eax
cmp cl, 0x18
je 0x44e2c8
cmp cl, 0x23
je 0x44e2a2
cmp cl, 0x27
jne 0x44e356
push 0
push 0x27
push 0xfa
push 0xff
push 0x4a08b0
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004311d0
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x44e241
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44e1c7
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x44e22f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push 0x4a08bc
push edx
call fcn.00411450
add esp, 0x10
test eax, eax
je 0x44e22f
lea eax, [ebp - 0x84]
push eax
push 1
lea eax, [ebp - 0x104]
push eax
push 0
mov eax, 0x800
sub eax, edi
push 0x4a08cc
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004311d0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x44e1c0
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push 0x4a08d8
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004311d0
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44e29c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 0x4a0738
push ebx
call fcn.0042d940
add esp, 0xc
push edi
jmp 0x44e344
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44e2b0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x44e2e9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44e2d3
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push 0x4a08a0
sub ecx, esi
lea eax, [ebp - 0x904]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.004311d0
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x44e340
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 0x4a0738
push ebx
call fcn.0042d940
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.0044d650
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
Function at 0x44f070
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x4ba088]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov eax, dword [ebx + 0xc]
mov edi, dword [eax + 0x2f0]
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x13c]
lea esi, [edi + 0x148]
push 0
add eax, 4
push eax
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x130], 0
mov dword [edi + 0x134], eax
jne 0x44f0fe
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.004754d0
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x44f131
push 0x4a0dbc
push ebx
call fcn.0042d940
add esp, 8
mov dword [edi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
push esi
call fcn.0044ec60
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
dec eax
cmp eax, 5
ja case.0x44f14a.1
jmp dword [eax*4 + 0x44f28c]
cmp edx, 4
jle case.0x44f14a.4
push esi
call fcn.0044ec40
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x44f14a.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.0042d870
mov esi, eax
add esp, 0x10
test esi, esi
je 0x44f1ad
push 5
push edi
call fcn.0044fae0
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x134]
sub eax, 4
cdq
add dword [ebx + 0x90], eax
adc dword [ebx + 0x94], edx
push dword [ebx + 0x94]
push dword [ebx + 0x90]
push ebx
call fcn.0043b0c0
jmp 0x44f255
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.0044ec40
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.0044fc10
add esp, 0xc
cmp eax, esi
jae case.0x44f14a.4
push dword [ebp - 0x8c]
push 0x4a0dd8
push ebx
call fcn.0042da00
jmp 0x44f255
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.0044ee20
add esp, 0xc
test eax, eax
je case.0x44f14a.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
push 0x4a0de8
push 0x49e6ac
push ebx
call fcn.0042d940
add esp, 0xc
push ebx
call fcn.0043b3a0
add esp, 4
test eax, eax
je 0x44f11e
push 5
push edi
call fcn.0044fae0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
Function at 0x44fae0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x44faf0
jmp dword [edx*4 + 0x44fb44]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0044f590
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0044f2b0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0044fd40
push 0x4a0d78
push 0x49a648
push ecx
call fcn.0042da00
add esp, 0xc
xor eax, eax
pop ebp
ret
push 0x4a0d88
push 0x49e6ac
push ecx
call fcn.0042d940
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x450f50
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00450ec0

Function at 0x459a20
Capabilities:
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000040
push 1
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x459a52
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x8003
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
pop esi
pop ebp
ret

Function at 0x459bc0
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x459bf3
push 0x2e
push edi
call fcn.00475100
add esp, 8
test eax, eax
je 0x459bf1
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x45afc0
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x4ba088]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x1c]
push edi
mov edi, dword [ebp + 0x10]
push 0xf0000040
push 1
push 0
push 0
push eax
mov dword [ebp - 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x45b052
lea eax, [ebp - 0xc]
mov dword [ebp - 0x18], 0x208
push eax
xorps xmm0, xmm0
mov dword [ebp - 0x14], 0x6601
push edi
movlpd qword [ebp - 0xc], xmm0
mov dword [ebp - 0x10], 8
call fcn.0045b0b0
lea eax, [ebp - 0xc]
push 8
push eax
call fcn.0045c490
add esp, 0x10
lea eax, [ebp - 0x24]
push eax
push 0
push 0
push 0x14
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x45b064
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045dc13
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 8]
push dword [ebp - 0x20]
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push 0
push dword [ebp - 0x24]
mov dword [esi], ecx
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [ebp - 4]
mov al, 1
pop edi
xor ecx, ebp
pop esi
call fcn.0045dc13
mov esp, ebp
pop ebp
ret

Function at 0x45b4c0
Capabilities:
Create new key via cryptacquirecontext
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000040
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x45b4f2
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x800c
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
pop esi
pop ebp
ret
Function at 0x45b5f0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [section..reloc_1]
mov edi, eax
add esp, 4
test edi, edi
jne 0x45b61d
pop edi
pop esi
mov esp, ebp
pop ebp
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x45b667
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [ebp + 0x10], ebx
jmp 0x45b66d
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x45b6cb
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop dword [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x45b690
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x45b6f7
mov eax, dword [esi + 4]
push 1
push 0x4a1f64
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x4a1f65
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x45b6d0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x45c490
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 0xc]
xor esi, esi
test edi, edi
je 0x45c4dd
push ebx
mov ebx, dword [ebp + 8]
mov cl, byte [esi + ebx]
mov dl, cl
mov al, cl
shr dl, 1
and al, 0xfe
not dl
movzx eax, al
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
or cl, 1
and dl, 2
movzx ecx, cl
cmove ecx, eax
mov byte [esi + ebx], cl
inc esi
cmp esi, edi
jb 0x45c4a2
pop ebx
pop edi
pop esi
pop ebp
ret

Function at 0x45c530
Capabilities:
Hash data using md4
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
push 0xf0000040
push 1
push 0
push 0
lea edi, [esi + 4]
mov dword [esi], 0
push esi
mov dword [edi], 0
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x45c56f
push edi
push 0
push 0
push 0x8002
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
pop edi
pop esi
pop ebp
ret
Function at 0x460c6f
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x48d672
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0048d4f1

Function at 0x4911d3
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00490e93
Function at 0x40adc0
Capabilities:
Clear file content

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1014
call fcn.00404730
push ebx
push esi
push edi
mov ebx, dword [ebp + 8]
mov dword [ebp - 4], 0
mov eax, dword [0x4170bc]
cmp ebx, eax
jae 0x40adfb
mov eax, ebx
and eax, 0x1f
mov edx, ebx
sar edx, 5
mov edx, dword [edx*4 + 0x4170c0]
test byte [edx + eax*8 + 4], 1
jne 0x40ae0d
mov dword [0x415c84], 9
or eax, 0xffffffff
jmp 0x40af32
push 1
push 0
push ebx
call fcn.00409fd0
add esp, 0xc
mov dword [ebp - 0xc], eax
cmp eax, 0xffffffff
je 0x40ae37
push 2
push 0
push ebx
call fcn.00409fd0
add esp, 0xc
mov dword [ebp - 8], eax
cmp eax, 0xffffffff
jne 0x40ae3f
or eax, 0xffffffff
jmp 0x40af32
mov eax, dword [ebp + 0xc]
mov esi, eax
sub esi, dword [ebp - 8]
test esi, esi
jle 0x40aee4
lea edx, [ebp - 0x1010]
mov ecx, 0x1000
xor eax, eax
push edi
mov edi, edx
rep stosb byte es:[edi], al
pop edi
mov eax, edx
push 0x8000
push ebx
call fcn.0040b330
add esp, 8
mov dword [ebp - 0x10], eax
mov eax, esi
cmp eax, 0x1000
jb 0x40ae8a
mov dword [ebp - 0x1014], 0x1000
jmp 0x40ae92
mov eax, esi
mov dword [ebp - 0x1014], eax
mov eax, dword [ebp - 0x1014]
push eax
lea eax, [ebp - 0x1010]
push eax
push ebx
call fcn.004086d0
add esp, 0xc
mov edi, eax
cmp eax, 0xffffffff
jne 0x40aecb
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x40aec5
mov dword [0x415c84], 0xd
or dword [ebp - 4], 0xffffffff
jmp 0x40aed5
mov eax, esi
sub eax, edi
mov esi, eax
test eax, eax
jg 0x40ae75
mov eax, dword [ebp - 0x10]
push eax
push ebx
call fcn.0040b330
add esp, 8
jmp 0x40af20
test esi, esi
jge 0x40af20
push 0
mov eax, dword [ebp + 0xc]
push eax
push ebx
call fcn.00409fd0
add esp, 0xc
push ebx
call fcn.00408b00
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
setne al
and eax, 1
dec eax
mov dword [ebp - 4], eax
cmp eax, 0xffffffff
jne 0x40af20
mov dword [0x415c84], 0xd
push 0
mov eax, dword [ebp - 0xc]
push eax
push ebx
call fcn.00409fd0
add esp, 0xc
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x433001
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
mov eax, section..text
nop
nop
mov ebx, 0x40de38
nop
mov ecx, 0x2df809ea
nop
test eax, eax
nop
nop
nop
je 0x43304e
nop
nop
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x433024
nop
mov eax, section..data
nop
mov ebx, 0x4304d8
nop
nop
mov ecx, 0x1c6767ac
nop
test eax, eax
nop
nop
nop
nop
nop
nop
je 0x433084
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
nop
jne 0x43306c
nop
nop
popal
nop
nop
nop
nop
jmp 0x431219
Function at 0x4209ab
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x4209ea
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x4209ea
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x4209ea
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x4209ea
cmp dword [ecx + 0x74], 0xe
jbe 0x4209ea
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x433160
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x43318d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x43318d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x43000c
nop
nop
nop
pop eax
nop
nop
add eax, 0x403d6f
nop
nop
sub eax, 0x403d15
nop
mov ebx, dword [eax]
nop
nop
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
nop
mov edx, dword [eax + 8]
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
nop
add ebx, 4
nop
nop
nop
cmp ebx, ecx
nop
nop
jl 0x430030
nop
nop
nop
nop
add eax, 0xc
nop
nop
nop
cmp dword [eax], 0
nop
nop
nop
jne 0x43001e
nop
nop
nop
nop
nop
nop
nop
popal
nop
jmp loc.00401219
Function at 0x4030c8
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x477008], 0x8088405
inc edx
mov dword [ebx + 0x477008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x40ba54
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
push edi
mov ebx, eax
mov esi, ecx
mov edi, edx
sub esi, 3
js 0x40bab7
movzx eax, byte [ebx]
shl eax, 0x10
mov ah, byte [ebx + 1]
mov al, byte [ebx + 2]
rol eax, 0xe
mov edx, eax
and edx, 0x3f
rol eax, 6
mov cl, byte [edx + 0x4771ac]
mov byte [edi], cl
mov edx, eax
and edx, 0x3f
rol eax, 6
mov cl, byte [edx + 0x4771ac]
mov byte [edi + 1], cl
mov edx, eax
and edx, 0x3f
shr eax, 0x1a
mov cl, byte [edx + 0x4771ac]
mov byte [edi + 2], cl
add ebx, 3
mov cl, byte [eax + 0x4771ac]
mov byte [edi + 3], cl
add edi, 4
sub esi, 3
jns 0x40ba62
add esi, 3
jmp dword [esi*4 + 0x40bac1]