Found at Red Teams:
THE ORIGINAL 12 RULES
Rule 1: Always have an escape plan
Rule 2: Be aware of your surroundings.
Rule 3: Assumption is the mother of all fuckups.
Rule 4: Always have a backup plan.
Rule 5: Never get caught.
Rule 6: Keep your mouth shut.
Rule 7: KISS: Keep it simple, stupid.
Rule 8: Simple and light equals freedom, agility and mobility.
Rule 9: Plan, execute and vanish.
Rule 10: You don’t have to like it-you just have to do it.
Rule 11: Always invest in good quality stuff.
Rule 12: Trust your gut.
The NEW 12 RULES:
THE NEW 12 RULES
A simplification of the current rules.
Rule 1: Always have an escape plan
Rule 2: Never get caught.
Rule 3: Be aware of your surroundings.
Rule 4: Always have a backup plan.
Rule 5: Assumption is the mother of all fuckups.
Rule 6: Trust your gut.
Rule 7: Simple and light equals freedom, agility and mobility.
Rule 8: KISS: Keep it simple, stupid.
Rule 9: The solution is in the problem.
Rule 10: Don't become predictable.
Rule 11: Never take the elevator.
Rule 12: Always invest in good quality stuff.
Further rules can be found here:
http://redteams.net/rules/