# Sagan cisco-ise.rules
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# cisco-ise.rules (Formally cisco-acs.rules - Access Countrol System)

# 10.0.0.1|local6|notice|notice|b5|2018-05-23|20:28:37|CISE_Failed_Attempts| 0000111111 3 0 2018-05-23 20:28:37.108 -04:00 006708111r 5434 NOTICE RADIUS: Endpoint conducted several failed authentications of the same scenario, ConfigVersionId=139, Device IP Address=10.10.250.1, Device Port=1645, DestinationIPAddress=10.10.2.53, DestinationPort=1812, RadiusPacketType=AccessRequest, UserName=00-41-D2-A8-8F-22, Protocol=Radius, RequestLatency=9, NetworkDeviceName=DEMO, User-Name=001111111111, NAS-IP-Address=10.10.250.1, NAS-Port=60000, Service-Type=Call Check, Framed-MTU=9216, Called-Station-ID=00-11-11-22-33-44, Calling-Station-ID=00-11-22-33-88-22, NAS-Port-Type=Ethernet, NAS-Port-Id=GigabitEthernet101/2/0/31, EAP-Key-Name=, cisco-av-pair=service-type=Call Check, cisco-av-pair=audit-session-id=AC1111111100011111111111, cisco-av-pair=method=mab, OriginalUserName=001111111111, IsEndpointInRejectMode=true, NetworkDeviceProfileName=Cisco, NetworkDeviceProfileId=11111111-8c11-4b11-119c-1bbfe1111111, IsThirdPartyDeviceFlow=false,

# alert any $EXTERNAL_NET any -> $HOME_NET any (msg:"[CISCO-ISE] Failed Login Attempt"; program: CISE_Failed_Attempts|CSCOacs_Failed_Attempts; parse_src_ip: 1; parse_dst_ip: 2; classtype: unsuccessful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5001655; sid: 5001655; rev:4;)

alert any $EXTERNAL_NET any -> $HOME_NET any (msg:"[CISCO-ISE] Failed Login Attempt - Brute force [5/5]"; program: CISE_Failed_Attempts|CSCOacs_Failed_Attempts; xbits: set,brute_force,track ip_src,expire 21600; content: "UserName="; content:!"session timed out"; parse_src_ip: 1; parse_dst_ip: 2; after: track by_src, count 5, seconds 300; threshold: type suppress, track by_src, count 1, seconds 21600; classtype: unsuccessful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5001656; sid: 5001656; rev:11;)