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FindSMB2UPTime: properly deal with servers not disclosing their boot time

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Clément Notin
2019-02-04 11:46:08 +01:00
committed by GitHub
parent 7339411766
commit 80aa964294
1 changed files with 6 additions and 0 deletions
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6
tools/FindSMB2UPTime.py
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@@ -25,12 +25,18 @@ from packets import SMBHeaderReq, SMB2NegoReq, SMB2NegoDataReq
def GetBootTime(data):
Filetime = int(struct.unpack('<q',data)[0])
if Filetime == 0: # server may not disclose this info
return 0, "Unknown"
t = divmod(Filetime - 116444736000000000, 10000000)
time = datetime.datetime.fromtimestamp(t[0])
return time, time.strftime('%Y-%m-%d %H:%M:%S')
def IsDCVuln(t, host):
if t[0] == 0:
print "Server", host[0], "did not disclose its boot time"
return
Date = datetime.datetime(2014, 11, 17, 0, 30)
if t[0] < Date:
print "System is up since:", t[1]