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