# [网鼎杯 2020 青龙组] singal

# 思路 1:angr

n
import angr
path='./signal.exe'
project=angr.Project(path)
state=project.factory.entry_state()
simgr=project.factory.simgr(state)
simgr.explore(find=0x4017A5,avoid=0x4016E6)
flag=simgr.found[0].posix.dumps(0)[:15]
print(flag)
#flag{757515121f3d478}

# 思路 2:vm 逆向

Edited on

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