def run_rotl(self, opcodeint, immediates):
val2 = self.machinestate.Stack_Omni.pop()
val1 = self.machinestate.Stack_Omni.pop()
if opcodeint == 119:
self.machinestate.Stack_Omni.append(rol(val1, 32, val2))
elif opcodeint == 137:
self.machinestate.Stack_Omni.append(rol(val1, 64, val2))
else:
raise Exception(Colors.red + "invalid rotl instruction" +
Colors.ENDC)
def test_rol():
print('----------------------------')
failed = False
print(bin(123456789))
res = rol(123456789, 32, 10)
print(bin(res))
pass
print('----------------------------')
def hash_and_xor_module_name(string, xor_key=0xe4289257):
hsh = 0
for c in string:
x = 0
if ord(c) < 0x5b:
x += 1
if ord(c) < 0x41:
x -= 1
x = x << 5
hsh = utils.rol(hsh, 7)
hsh = hsh ^ (ord(c) + x)
return hex(hsh ^ xor_key)
def hash_and_xor_module_name(string, xor_key=0xe4289257):
hsh = 0
for c in string:
x = 0
if ord(c) < 0x5b:
x += 1
if ord(c) < 0x41:
x -= 1
x = x << 5
hsh = utils.rol(hsh, 7)
hsh = hsh ^ (ord(c) + x)
return hex(hsh ^ xor_key)
def hash_and_xor_func_name(name, xor_key=0xe4289257):
hsh = 0
for c in name:
hsh = utils.rol(hsh, 7)
hsh ^= ord(c)
return hex(hsh ^ xor_key)
def hash_and_xor_func_name(name, xor_key=0xe4289257):
hsh = 0
for c in name:
hsh = utils.rol(hsh, 7)
hsh ^= ord(c)
return hex(hsh ^ xor_key)
def sha1(data):
"""
"""
bytes = ""
h0 = 0x67452301
h1 = 0xEFCDAB89
h2 = 0x98BADCFE
h3 = 0x10325476
h4 = 0xC3D2E1F0
for n in range(len(data)):
bytes+='{0:08b}'.format(ord(data[n]))
bits = bytes+"1"
pBits = bits
#pad until length equals 448 mod 512
while len(pBits)%512 != 448:
pBits+="0"
#append the original length
pBits+='{0:064b}'.format(len(bits)-1)
def chunks(l, n):
return [l[i:i+n] for i in range(0, len(l), n)]
def rol(n, b):
return ((n << b) | (n >> (32 - b))) & 0xffffffff
for c in chunks(pBits, 512):
words = chunks(c, 32)
w = [0]*80
for n in range(0, 16):
w[n] = int(words[n], 2)
for i in range(16, 80):
w[i] = rol((w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16]), 1)
a = h0
b = h1
c = h2
d = h3
e = h4
for i in range(0, 80):
# round 1
if 0 <= i <= 19:
f = (b & c) | ((~b) & d)
k = 0x5A827999
# round 2
elif 20 <= i <= 39:
f = b ^ c ^ d
k = 0x6ED9EBA1
# round 3
elif 40 <= i <= 59:
f = (b & c) | (b & d) | (c & d)
k = 0x8F1BBCDC
# round 4
elif 60 <= i <= 79:
f = b ^ c ^ d
k = 0xCA62C1D6
temp = rol(a, 5) + f + e + k + w[i] & 0xffffffff
e = d
d = c
c = rol(b, 30)
b = a
a = temp
h0 = h0 + a & 0xffffffff
h1 = h1 + b & 0xffffffff
h2 = h2 + c & 0xffffffff
h3 = h3 + d & 0xffffffff
h4 = h4 + e & 0xffffffff
return '%08x%08x%08x%08x%08x' % (h0, h1, h2, h3, h4)