hidemyass

hidemyass is a tool for wiping access log when you really wanna hide yourself from admin. We're modifying those systemlogs very carefully by removing one single log record instead of the whole log file. Also, the file permission, owner/group and ctime/atime are kept as the old file.

Usage

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轻轻地我走了     正如给我轻轻地来                  
        我轻轻地挥手     作别西边的云彩            
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Usage: ./hidemyass [ENTRIES] [FILTERS] ACTIONS        
ENTRIES:                                
  -u, --utmp=utmp_file                
      specify the path to utmp file, which is /var/run/utmp by default 
      utmp file is read by 'who','w' and other commands 
  -w, --wtmp=wtmp_file                
      specify the path to wtmp file, which is /var/log/wtmp by default 
      wtmp is read by 'last' and other commands
  -b, --btmp=btmp_file                
      specify the path to btmp file, which is /var/log/btmp by default 
      btmp is read by 'lastb' and other commands
      for some systems the bad login attempts are written to 
      /var/log/auth.log or /var/log/secure instead of btmp
  -l, --lastlog=lastlog_file          
      specify the path to lastlog file, which is /var/log/lastlog by default 
      lastlog is read by 'lastlog' and other commands
      note the only valid FILTERS for lastlog is username(-n)
FILTERS:                                
  -n, --name=username                   
      filter log record by username 
  -a, --address=host                    
      filter log record by host ip address  
  -t, --time=time                       
      filter log record by time (YYYY:MM:DD:HH:MM:SS) 
ACTIONS: 
  -p, --print                           
      print records for specified ENTRIES 
  -c, --confirm                           
      confirm the action(s) that clear or tamper records for specified ENTRIES with FILTERS
      usually you need permission doing this 
  -h, --help                            
      show this message and exit

Examples

print utmp records:

./hidemyass -u -p

print utmp records in another path

./hidemyass --utmp=/var/adm/utmpx -p

print all records

./hidemyass -uwbl -p

modify lastlog record for user root to time 2017/04/01 13:26:00

[sudo] ./hidemyass -l -n root -t 2017:04:01:13:26:00 -c

clean all tmpx records that from ip 220.181.57.217:

[sudo] ./hidemyass -uwb -a 220.181.57.217 -c

from https://github.com/evilpan/hidemyass

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