Here is the full list of all 25 Rogue Agent achievements.
Neutralize the ASO Agent
Neutralize the RAW Agent
Neutralize the MSD Agent
Neutralize the STN Agent
Neutralize the NIP Agent
50 Victories!
10 Victories!
Kill 4 agents in a match.
5 Victories!
Kill 50 Agents
Eliminate 100 Targets
Disavowed 50 times
Kill a KTB Agent
Eliminate 50 Targets
Kill 10 Agents
Disavowed 10 times
Kill a MFF Agent
Eliminate 20 Targets
Kill 5 Agents
Survive a fight with 1 point of life
Kill a MIX Agent
Eliminate 5 Targets
Kill an ABN Agent
Disavowed 1 time
Kill an CYA Agent