Module: Msf::Post::Unix
- Included in:
- Linux::Compile, Linux::System, Solaris::System
- Defined in:
- lib/msf/core/post/unix.rb
Instance Method Summary collapse
-
#enum_user_directories ⇒ Object
Enumerates the user directories in /Users or /home.
-
#get_groups ⇒ Object
Returns an array of hashes each hash representing a user group Keys are name, gid and users.
-
#get_users ⇒ Object
Returns an array of hashes each representing a user Keys are name, uid, gid, info, dir and shell.
-
#is_root? ⇒ Boolean
True if session is running as uid=0.
-
#whoami ⇒ String
It returns the username of the current user.
Instance Method Details
#enum_user_directories ⇒ Object
Enumerates the user directories in /Users or /home
69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 |
# File 'lib/msf/core/post/unix.rb', line 69 def enum_user_directories user_dirs = [] # get all user directories from /etc/passwd passwd = '/etc/passwd' if file_exist?(passwd) read_file(passwd).each_line do |passwd_line| user_dirs << passwd_line.split(/:/)[5] end end # also list other common places for home directories in the event that # the users aren't in /etc/passwd (LDAP, for example) case session.platform when 'osx' user_dirs << cmd_exec('ls /Users').each_line.map { |l| "/Users/#{l}" } else user_dirs << cmd_exec('ls /home').each_line.map { |l| "/home/#{l}" } end user_dirs.flatten! user_dirs.compact! user_dirs.sort! user_dirs.uniq! user_dirs end |
#get_groups ⇒ Object
Returns an array of hashes each hash representing a user group Keys are name, gid and users
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 |
# File 'lib/msf/core/post/unix.rb', line 49 def get_groups groups = [] group = '/etc/group' if file_exist?(group) cmd_out = read_file(group).split("\n") cmd_out.each do |l| entry = {} user_field = l.split(":") entry[:name] = user_field[0] entry[:gid] = user_field[2] entry[:users] = user_field[3] groups << entry end end return groups end |
#get_users ⇒ Object
Returns an array of hashes each representing a user Keys are name, uid, gid, info, dir and shell
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 |
# File 'lib/msf/core/post/unix.rb', line 17 def get_users users = [] etc_passwd = nil [ "/etc/passwd", "/etc/security/passwd", "/etc/master.passwd", ].each { |f| if file_exist?(f) etc_passwd = f break end } cmd_out = read_file(etc_passwd).split("\n") cmd_out.each do |l| entry = {} user_field = l.split(":") entry[:name] = user_field[0] entry[:uid] = user_field[2] entry[:gid] = user_field[3] entry[:info] = user_field[4] entry[:dir] = user_field[5] entry[:shell] = user_field[6] users << entry end return users end |
#is_root? ⇒ Boolean
Returns true if session is running as uid=0.
9 10 11 |
# File 'lib/msf/core/post/unix.rb', line 9 def is_root? (cmd_exec('id -u').to_s.gsub(/[^\d]/, '') == '0') end |
#whoami ⇒ String
It returns the username of the current user
100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 |
# File 'lib/msf/core/post/unix.rb', line 100 def whoami shellpid = get_session_pid() status = read_file("/proc/#{shellpid}/status") status.each_line do |line| split = line.split(":") if split[0] == "Uid" regex = /.*\s(.*)\s/ useridtmp = split[1] userid = useridtmp[regex, 1] uid = userid.to_s passwd = read_file("/etc/passwd") passwd.each_line do |line| parts = line.split(":") uid_passwd = parts[2].to_s user = parts[0].to_s if uid_passwd == uid return user end end end end end |