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Basic pipe support ('>', '<' and '|'). #124

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Basic pipe support ('>', '<' and '|'). #124

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47 changes: 43 additions & 4 deletions kippo/core/honeypot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,45 @@ def runOrPrompt():
runOrPrompt()
return

if len(args) > 0 and ('<' == args[-1] or '>' == args[-1] or '|' == args[-1]):
print 'The attacker failed to a pipe command.'
self.honeypot.logDispatch('The attacker failed to a pipe command.')

if '<' == args[-1] or '>' == args[-1]:
self.honeypot.writeln('bash: syntax error near unexpected token `newline\'')
elif '|' == args[-1]:
self.honeypot.writeln('bash: syntax error: unexpected end of file')
self.cmdpending = []
self.showPrompt()
return

i = 0
for arg in args:
i += 1
if '<' == arg[-1:] or '>' == arg[-1:] or '|' == arg[-1:]:
print 'The attacker is trying to a pipe command.'
self.honeypot.logDispatch('The attacker is trying to a pipe command.')

if '<' == arg[-1:]:
#path = args[i]
#if self.fs.exists(path):
# continue
#else:
# self.writeln('bash: no such file or directory: %s' % (path,))
self.honeypot.writeln('')
self.cmdpending = []
self.showPrompt()
return
elif '>' == arg[-1:]:
self.cmdpending = []
self.showPrompt()
return
elif '|' == arg[-1:]:
cmd = args[i]
args = args[i+1:]
print 'NEW CMD: %s' % cmd
print 'NEW ARGS: %s' % args

rargs = []
for arg in args:
matches = self.honeypot.fs.resolve_path_wc(arg, self.honeypot.cwd)
Expand All @@ -137,11 +176,11 @@ def resume(self):
self.runCommand()

def showPrompt(self):
# Example: svr03:~#
# Example: nas3:~#
#prompt = '%s:%%(path)s' % self.honeypot.hostname
# Example: root@svr03:~# (More of a "Debianu" feel)
# Example: root@nas3:~# (More of a "Debianu" feel)
prompt = '%s@%s:%%(path)s' % (self.honeypot.user.username, self.honeypot.hostname,)
# Example: [root@svr03 ~]# (More of a "CentOS" feel)
# Example: [root@nas3 ~]# (More of a "CentOS" feel)
#prompt = '[%s@%s %%(path)s]' % (self.honeypot.user.username, self.honeypot.hostname,)
if not self.honeypot.user.uid:
prompt += '# ' # "Root" user
Expand All @@ -156,7 +195,7 @@ def showPrompt(self):
path[:(homelen+1)] == self.honeypot.user.home + '/':
path = '~' + path[homelen:]
# Uncomment the three lines below for a 'better' CenOS look.
# Rather than '[root@svr03 /var/log]#' is shows '[root@svr03 log]#'.
# Rather than '[root@nas3 /var/log]#' is shows '[root@nas3 log]#'.
#path = path.rsplit('/', 1)[-1]
#if not path:
# path = '/'
Expand Down