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Add interactive shell option for win function #14

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Add interactive shell option for win function #14

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d93e4d8
Update ropstar.py
Disturbante Oct 22, 2024
ac02c8d
Update exploit.py
Disturbante Oct 22, 2024
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3 changes: 2 additions & 1 deletion ropstar.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,8 @@ def __init__(self, argv):
parser.add_argument('-p', help='use proxy, e.g. https://127.0.0.1:8080')
parser.add_argument('-m', help='specify address of main method, in case there is no symbols')
parser.add_argument('-xor', help='xor payload with given byte')
parser.add_argument('-win', help='specify win function address to call')
parser.add_argument('-win', help='specify win function address to call')
parser.add_argument('-interactive', help='when selecting win function, toggle interactive mode after entering the function (CTF shell win functions)', action='store_true')
parser.add_argument('-magic', help='magic string that needs to be sent before the payload')
parser.add_argument('-remote_offset', help='get offset remotely via observing responses (often required with canaries)', action='store_true')
parser.add_argument('-state', help='canary,rbp,rip (comma seperated)')
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5 changes: 4 additions & 1 deletion ropstar/exploit.py
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Expand Up @@ -29,6 +29,9 @@ def win(self, p, win):
payload = self.ropstar.fit(rop.chain())
self.ropstar.trigger(p, payload)
# we usually don't get shells from these, mostly just cat on the flag
# added pop shell functionality
if self.ropstar.args.interactive:
p.interactive()
return


Expand Down Expand Up @@ -211,4 +214,4 @@ def fmt_leak(self, p, addr, offset):
leak = p.recvall()
bytes = bytearray(leak)
l = re.search(b'...\xf7',bytes).group(0)
return self.ux(l)
return self.ux(l)