joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4ec7d0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6b6514]
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 0x4ec844
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.004cf920
add esp, 0xc
cmp esi, 0xffffffff
jne 0x4ec87d
push str.Error_accept__ing_server_connect
push edi
call fcn.004cefb0
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00503248
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push edi
call fcn.004cf070
push 1
push esi
mov byte [ebx + 0x24e], 0
mov dword [ebx + 0x14c], esi
call fcn.004dc650
add esp, 0x10
mov byte [ebx + 0x261], 1
cmp dword [edi + 0x1b8], 0
je 0x4ec8fa
push 1
push edi
call fcn.004c0ca0
mov eax, dword [edi + 0x1b8]
push 1
push esi
push dword [edi + 0x1bc]
call eax
push 0
push edi
mov esi, eax
call fcn.004c0ca0
add esp, 0x1c
test esi, esi
je 0x4ec8fa
push ebx
push edi
call fcn.004ecd40
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00503248
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.00503248
mov esp, ebp
pop ebp
ret

Function at 0x4eed30
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 0x4eed62
push str.Couldnt_set_desired_mode
push esi
call fcn.004cefb0
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x4eed79
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push esi
call fcn.004cf070
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4eed92
push ebx
push esi
call fcn.004ee9d0
add esp, 8
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x4eeda7
push esi
call fcn.004ed9f0
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x4eedbc
push esi
call fcn.004ee9b0
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x4eedcc
push esi
call fcn.004eec10
add esp, 4
mov edi, eax
mov eax, edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4f5000
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 0x4f5048
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004cefb0
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push esi
call fcn.004f48b0
add esp, 0x10
pop esi
pop ebx
pop ebp
ret

Function at 0x4f5180
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 0x4f52de
push edi
lea ecx, [eax + 0x1cb4]
lea edi, [eax + 0x1eb4]
mov dword [edi], ecx
cmp ecx, edi
jae 0x4f51d1
mov byte [ecx], 0xff
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4f51d1
mov byte [ecx], 0xfa
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4f51d1
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 0x4f523d
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4f523d
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4f523d
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4f523d
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4f523d
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4f523d
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.004f49b0
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 0x4f529b
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004cefb0
add esp, 0xc
push 4
lea eax, [esi + 0x1cb7]
push eax
push ebx
call fcn.004f5060
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 0x4f52dd
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004cefb0
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4f5440
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x6b6514]
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.0051c7f0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.0051c7f0
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.004f49b0
mov eax, dword [esi + 0x1eb4]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb4], eax
cmp cl, 0x18
je 0x4f5628
cmp cl, 0x23
je 0x4f5602
cmp cl, 0x27
jne 0x4f56b6
push 0
push 0x27
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004d2890
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4f55a1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4f5527
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4f558f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0041cde2
add esp, 0x10
test eax, eax
je 0x4f558f
lea eax, [ebp - 0x84]
push eax
push 1
lea eax, [ebp - 0x104]
push eax
push 0
mov eax, 0x800
sub eax, edi
push str._c_s_c_s
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004d2890
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4f5520
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push str._c_c
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004d2890
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 0x4f55fc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004cefb0
add esp, 0xc
push edi
jmp 0x4f56a4
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4f5610
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4f5649
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4f5633
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push str._c_c_c_c_s_c_c
sub ecx, esi
lea eax, [ebp - 0x904]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.004d2890
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 0x4f56a0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004cefb0
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004f49b0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00503248
mov esp, ebp
pop ebp
ret
Function at 0x4f6380
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6b6514]
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 + 0x300]
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 0x4f640e
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.0051bcf0
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x4f6441
push str.Received_too_short_packet
push ebx
call fcn.004cefb0
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.00503248
mov esp, ebp
pop ebp
ret
push esi
call fcn.004f5f70
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4f645c
jmp dword [eax*4 + 0x4f659c]
cmp edx, 4
jle case.0x4f645c.4
push esi
call fcn.004f5f50
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4f645c.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.004ceef0
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4f64bf
push 5
push edi
call fcn.004f6de0
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00503248
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.004dc7d0
jmp 0x4f6567
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.004f5f50
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004f6f10
add esp, 0xc
cmp eax, esi
jae case.0x4f645c.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.004cf070
jmp 0x4f6567
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.004f6130
add esp, 0xc
test eax, eax
je case.0x4f645c.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00503248
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x643c30
push ebx
call fcn.004cefb0
add esp, 0xc
push ebx
call fcn.004dcab0
add esp, 4
test eax, eax
je 0x4f642e
push 5
push edi
call fcn.004f6de0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.00503248
mov esp, ebp
pop ebp
ret
Function at 0x4f6de0
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.0x4f6df0
jmp dword [edx*4 + 0x4f6e44]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004f6890
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004f65b0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004f7040
push str.TFTP_finished
push 0x63e878
push ecx
call fcn.004cf070
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x643c30
push ecx
call fcn.004cefb0
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x500730
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 0x500763
push 0x2e
push edi
call fcn.0051c950
add esp, 8
test eax, eax
je 0x500761
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x5020b0
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 [0x6b64c8]
mov edi, eax
add esp, 4
test edi, edi
jne 0x5020dd
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 0x502127
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 0x50212d
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 0x50218b
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 0x502150
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x5021b7
mov eax, dword [esi + 4]
push 1
push 0x647c74
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x647c75
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x502190
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x50565f
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 0x53fcd4
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0053f997

Function at 0x53fcdf
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0053fb18

Function at 0x54388e
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0054354e
Function at 0x54b1c0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor edx, edx
mov ecx, edx
mov eax, edx
and ecx, 1
shr eax, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov dword [edx*4 + 0x6c5f00], eax
inc edx
cmp edx, 0x100
jb 0x54b1c2
push esi
mov eax, 0x6c5f04
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6c5f00]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6c5f00]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6c5f00]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x6c5f00]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x54b267
mov dword [0x6c5ee4], 0x54c5b0
mov dword [0x6c5edc], 0x54c5b0
mov dword [0x6c5ee0], 0x54c650
call fcn.0054c3c0
mov ecx, dword [0x6c5edc]
test eax, eax
mov edx, 0x54c650
cmove ecx, edx
mov dword [0x6c5edc], ecx
pop esi
ret
Function at 0x54ca80
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 0x14]
push edi
xor edi, edi
mov esi, dword [esi]
and esi, 7
cmp eax, 5
jae 0x54caa0
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
add dword [ebp + 0x10], 5
mov ecx, dword [ebp + 8]
push ebx
lea ebx, [eax - 4]
add ebx, ecx
mov dword [ebp - 4], ebx
lea eax, [edi + ecx]
cmp eax, ebx
jae 0x54cac9
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x54cac6
inc eax
cmp eax, ebx
jb 0x54cab7
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x54cbcd
cmp edx, 2
jbe 0x54cb52
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x54cbb9
movzx ecx, byte [eax + 3]
mov ebx, dword [ebp + 0x10]
shl edx, 8
add ebx, edi
or edx, ecx
movzx ecx, byte [eax + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [eax + 1]
shl edx, 8
or edx, ecx
mov ecx, edx
add edx, ebx
sub ecx, ebx
cmp dword [ebp + 0x18], 0
cmove edx, ecx
mov dword [ebp + 0xc], edx
mov ebx, edx
test esi, esi
je 0x54cb89
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x54cb87
mov ebx, 0x100
shl ebx, cl
mov ecx, dword [ebp + 0x10]
dec ebx
xor ebx, dword [ebp + 0xc]
add ecx, edi
cmp dword [ebp + 0x18], 0
je 0x54cb85
add ebx, ecx
jmp 0x54cb87
mov ecx, edx
shr esi, cl
test esi, esi
je 0x54cae2
cmp esi, 4
ja 0x54cb77
cmp esi, 3
je 0x54cb77
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x54cae2
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x54cab0
sub ebx, ecx
xor esi, esi
mov ecx, ebx
mov byte [eax + 1], bl
shr ecx, 8
mov byte [eax + 2], cl
mov ecx, ebx
shr ebx, 0x18
and bl, 1
shr ecx, 0x10
neg bl
mov byte [eax + 3], cl
mov ecx, dword [ebp + 8]
mov byte [eax + 4], bl
mov eax, 5
mov ebx, dword [ebp - 4]
add edi, eax
jmp 0x54cab0
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x54cab0
mov eax, dword [ebp + 0x14]
mov ecx, edx
shr esi, cl
xor ecx, ecx
cmp edx, 2
pop ebx
cmovbe ecx, esi
mov dword [eax], ecx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x552c80
Capabilities:
Check if file exists

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
push edi
push esi
push dword [esp + 0x14]
call fcn.00568ad0
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.0051c950
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x552d37
push 0x4a
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.0055faa0
push 0x653c80
push esi
push 0x653c84
push dword [esp + 0x30]
push str.fopen_
push 5
call fcn.0055f210
add esp, 0x2c
call fcn.00522593
cmp dword [eax], 2
je 0x552d19
call fcn.00522593
cmp dword [eax], 6
je 0x552d19
push 0x53
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.0055faa0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x51
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.0055faa0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x653c1c
call fcn.00553290
mov esi, eax
add esp, 4
test esi, esi
jne 0x552d59
push edi
call fcn.0052eb57
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push esi
call fcn.00552e60
push edi
push ebx
push 0x6a
push esi
call fcn.00552e90
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
ret
Function at 0x55dc30
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x10
call fcn.00503fe0
mov eax, dword [0x6b6514]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
xor edi, edi
mov dword [ebp - 0xc], 1
push edi
push edi
push str.RANDFILE
mov dword [ebp - 8], str.RANDFILE
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov ebx, dword [ebp + 8]
mov esi, eax
test esi, esi
jne 0x55dcc1
push edi
push edi
push str.HOME
mov dword [ebp - 8], str.HOME
mov dword [ebp - 0xc], edi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
jne 0x55dcc1
push eax
push eax
push str.USERPROFILE
mov dword [ebp - 8], str.USERPROFILE
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
jne 0x55dcc1
push eax
push eax
push str.SYSTEMROOT
mov dword [ebp - 8], str.SYSTEMROOT
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
je 0x55dd39
lea eax, [esi + esi]
call fcn.005042b0
mov eax, esp
push esi
push eax
push dword [ebp - 8]
mov dword [ebp - 0x10], eax
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
cmp eax, esi
jae 0x55dd27
push 0
push 0
push 0
push 0
push 0xffffffffffffffff
push dword [ebp - 0x10]
push 0
push 0xfde9
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
mov dword [ebp - 8], eax
test eax, eax
je 0x55dd27
call fcn.005042b0
mov esi, esp
push 0
push 0
push dword [ebp - 8]
push esi
push 0xffffffffffffffff
push dword [ebp - 0x10]
push 0
push 0xfde9
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
mov edi, eax
neg edi
sbb edi, edi
and edi, esi
mov edx, dword [ebp - 0xc]
test edx, edx
jne 0x55dd42
test edi, edi
jne 0x55dd46
mov edi, 0x6553c0
jmp 0x55dd4b
mov edx, edi
mov edi, 0x6553c0
jmp 0x55dd4b
test edi, edi
je 0x55ddb8
cmp byte [edi], 0
je 0x55ddb8
mov ecx, edi
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x55dd50
sub ecx, esi
mov esi, dword [ebp + 0xc]
test edx, edx
je 0x55dd8c
lea eax, [ecx + 1]
cmp eax, esi
jae 0x55dd8c
push esi
push edi
push ebx
call fcn.00568a50
add esp, 0xc
cmp eax, esi
jb 0x55ddbb
xor eax, eax
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00503248
mov esp, ebp
pop ebp
ret
lea eax, [ecx + 6]
cmp eax, esi
jae 0x55ddbb
push esi
push edi
push ebx
call fcn.00568a50
push esi
push 0x6553c4
push ebx
call fcn.005689f0
push esi
push str..rnd
push ebx
call fcn.005689f0
add esp, 0x24
jmp 0x55ddbb
mov byte [ebx], 0
xor eax, eax
cmp byte [ebx], al
cmovne eax, ebx
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00503248
mov esp, ebp
pop ebp
ret