Wireshark - ip.addr == 100.100.100.1
IPsec traffic (Decrypting IKE seems like goal to me)
User flag-me
Password 1c53d07d8b4767f8677c2c08bc2aaaaf
IPSEC ESP
Source IP 192.168.11.1
Dest IP 100.100.100.1
Enc method: ENCR_AES_CBC
Auth method: AUTH_HMAC_SHA1_96
IKE
Initiator COOKIE: unknown
Enc key: unknown
