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usualsuspect/hash64.py

Created March 8, 2024 15:13
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Unknown 64bit hash used for API lookup
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hash64.py
#
# Used in custom import table to lookup APIs via hash instead of name
#
def hash_str64(s):
h = 0x1111111111111111
for i in range(len(s)):
h = h*0xABFFF385ABFFF386
h &= 0xFFFFFFFFFFFFFFFF
h += s[i]
h &= 0xFFFFFFFFFFFFFFFF
return h
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