{{{
#!html
ICAS III
安裝說明
}}}
[[PageOutline]]
= Change Log =
* 0627
* crawlweb2
* 測試 install.sh 無誤
* 0701
* upload.php 即時運算
* classify bug fix
* blacklist 製作
* 0704
* priority 修正
* log 紀錄檔
* 0705
* 整理圖功能
* FTP 設定
* 備份
* Install 更新
= 必要目錄 =
* bin
* hadoop
* www
* report
* black
* dot
* svg
* log_input
* idp8200
* nk7admin
* snort
* workspace [可為空]
{{{
#!html
資料流程
}}}
{{{
#!graphviz
digraph G { size ="8,0"; node[style=filled]; rankdir = "LR"
"DataCheck" -> "IntegrateAlert" -> "Aggreggate"
}
}}}
= 一、!DataCheck =
* 檢查各資料夾內是否有資料
* 有資料則依各入侵偵測格式進行正規化
* 輸出
== 1 snort ==
{{{
#!text
[**] [1:2189:3] BAD-TRAFFIC IP Proto 103 PIM [**]
[Classification: Detection of a non-standard protocol or event] [Priority: 2]
05/17-08:30:14.750704 140.110.138.253 -> 224.0.0.13
PIM TTL:1 TOS:0xC0 ID:4076 IpLen:20 DgmLen:58
[Xref => http://cve.mitre.org/cgi-bin/cvename.cgi?name=2003-0567][Xref => http://www.securityfocus.com/bid/8211]
}}}
* 呼叫 Classify 作分類簡化
{{{
String[][] class_str = { { // 1 Detection
"Detection of a Network Scan", "Decode of an RPC Query",
"A client was using an unusual port",
"Detection of a non-standard protocol or event" },
// 2 attempt info
{
"Attempted Information Leak",
"Information Leak",
"Large Scale Information Leak",
"Attempted Denial of Service",
"Attempted User Privilege Gain",
"Attempted Administrator Privilege Gain",
"An attempted login using a suspicious username was detected",
"Attempt to login by a default username and password",
"Unsuccessful User Privilege Gain" },
// 3 user gain
{ "Successful User Privilege Gain" },
// 4 admin gain
{ "Successful Administrator Privilege Gain" },
// 5 attack
{ "Misc Attack", "A suspicious filename was detected",
"A system call was detected",
"Executable code was detected", "SCORE! Get the lotion!",
"access to a potentially vulnerable web application",
"Web Application Attack",
"Potential Corporate Privacy Violation" },
// 6 dos
{ "Denial of Service", "Detection of a Denial of Service Attack" },
// 7 Trojan
{ "A Network Trojan was detected" },
// 8 Info
{ "Not Suspicious Traffic", "Unknown Traffic",
"Potentially Bad Traffic",
"A suspicious string was detected",
"Generic Protocol Command Decode", "Generic ICMP event",
"Misc activity", "A TCP connection was detected" } };
}}}
= 先轉化成單筆警訊一行 =>
* 格式
{{{
ids編號;sid;說明 ;分類名稱;嚴重性;月;日;時;分;秒; 來源:埠 ; 目的：埠 ; 協定;
}}}
* 範例
{{{
#!text
1;2189;BAD-TRAFFIC IP Proto 103 PIM ;1;2;20110728;160514;140.110.134.253;224.0.0.13;0;
}}}
{{{
1;4;(spp_ssh) Protocol mismatch ;Port Scan;4;20110627;093311;140.110.153.77;140.110.134.198;22;
}}}
== 2 Idp8200 ==
* 設定編號為
* 原始格式
{{{
Time Received ## Src Addr ## Dst Addr ## Action ## Protocol ## Dst Port ## interface ## Description ## Severity
}}}
* 範例
{{{
#!text
2003/8/11 13:05,140.113.130.221,0.0.0.0,Accepted,TCP,65432,'interface=eth2',FTP: Format String in Command,Major
2003/8/11 13:05,140.113.130.221,phe96.sro.nchc.org.tw,Accepted,TCP,65432,'interface=eth2',FTP: Format String in Command,Major
}}}
== 3 NK7Admin ==
* 原始格式
{{{
編號 ## 名稱 ## 來源位址 ## 目的位址 ## 開始時間 ## 總數 ## 來源埠 ## 目的埠
}}}
* 範例
{{{
#!text
1,TCP SYN,60.173.26.116,140.110.127.253,2011/3/1 14:41,1,6000,9415
2,UDP PORT SCAN,168.95.1.1,140.110.104.84,2011/3/1 14:41,1,53,34953
}}}
== 輸出格式 ==
* icas III 正規化後格式
|| 0 ids來源; || 1 警訊識別id ; || 2 攻擊說明 ; || 3 分類 ; || 4 嚴重性（1最嚴重~3普通） ; || 5 年月日 ; || 6 時分秒 ; || 7 來源ip ; || 8 目標ip ; || 9 目標port ||
* class (分類資訊) 與 sig_id (特徵碼id 編號) 是兩台硬體 ids 沒有的資訊，會補 0 顯示
* 嚴重性 ＝ 1~3, 1最嚴重
* 偵測裝置編號 : 1=snort, 2=idp8200, 3=nk7admin
= 二、 !IntegrateAlert =
警訊整合
* 於 hadoop 上運作
* 將正規化的資料當輸入
* 運算結果格式
||0 攻擊者ip -> 目標ip ||1 嚴重性(1~3, 1最嚴重) ||2 開始日期_時間點~結束日期_時間點 ||3 [分類資訊,...] ||4 [sig_id,...] ||5 [攻擊說明1,攻擊說明2,...] ||6 [目標port1,目標port2, ...] ||7 [偵測裝置編號,...] ||8 "整合總筆數"-"整合分類筆數"-"整合sig_id編號筆數" ||
== map output ==
{{{
key : src_ip - dst_ip
val : date @@ time @@ class_id @@ ids @@ s-id @@ priority @@ port @@ description
}}}
== reduce output ==
{{{
key: src_ip -> des_ip
values: priority @@ t1~tn @@ [class,...] @@ [sig_id,...] @@ [attact,...] @@
[port,...] @@ [ids,...] @@
"tatal_count"-"class_count"-"sig_id_count"
}}}
== sample ==
* input
{{{
#!text
1;0;FTP: Format String in Command;no;1;2003811;130500;140.113.130.221;0.0.0.0;65432;
2;0;FTP: Format String in Command;no;1;2003811;130500;140.113.130.221;0.0.0.0;65432;
3;1;FTP: Format String in Command;no;1;2003811;130500;140.113.130.222;10.10.0.2;65432;
1;2;FTP: Format String in ;no;1;2003811;150500;140.113.130.221;phe96.sro.nchc.org.tw;65432;
2;2;FTP: Format String ;no;1;2003811;160500;140.113.130.221;phe96.sro.nchc.org.tw;65432;
3;1;FTP: Format ;no;1;2003811;130500;140.113.130.221;phe96.sro.nchc.org.tw;65432;
}}}
* result
{{{
#!text
140.113.130.221->0.0.0.0 @@1@@2003811_130500~2003811_130500@@[0]@@[0]@@[FTP: Format String in Command]@@[65432]@@[1, 2]@@2-1-1
140.113.130.221->phe96.sro.nchc.org.tw @@1@@2003811_130500~2003811_160500@@[0]@@[2, 1]@@[FTP: Format String in , FTP: Format String , FTP: Format ]@@[65432]@@[1, 2, 3]@@3-1-2
140.113.130.222->10.10.0.2 @@1@@2003811_130500~2003811_130500@@[0]@@[1]@@[FTP: Format String in Command]@@[65432]@@[3]@@1-1-1
}}}
= 三、 Aggreggate =
* 將運算結果從 hdfs 下載到 local
* dot -> 繪圖-> svg 攻擊圖
* 黑名單
* 警訊列表
== !DotGraph ==
繪圖
{{{
#!text
digraph G { size ="8,0"; node[style=filled,peripheries=2,color="lightskyblue"];
{"140.113.130.221"}->{"0.0.0.0"}[color=red, label="NIDS \n \n[FTP: Format String in Command]"];
{"140.113.130.221"}->{"phe96.sro.nchc.org.tw"}[color=red, label="NIDS \n \n[FTP: Format String in Command]"];
{"168.150.177.164"}->{"239.255.255.250"}[color=red, label="NIDS \n \n[SCAN UPnP service discover attempt ]"];
{"168.150.177.165"}->{"168.150.177.166"}[color=red, label="NIDS \n \n[NETBIOS SMB IPC$ unicode share access ]"];
{"168.95.1.1"}->{"140.110.104.84"}[color=red, label="NIDS \n \n[UDP PORT SCAN]"];
{"60.173.26.116"}->{"140.110.127.253"}[color=red, label="NIDS \n \n[TCP SYN]"];
}
}}}
{{{
#!graphviz
digraph G { size ="8,0"; node[style=filled,peripheries=2,color="lightskyblue"];
{"140.113.130.221"}->{"0.0.0.0"}[color=red, label="NIDS \n \n[FTP: Format String in Command]"];
{"140.113.130.221"}->{"phe96.sro.nchc.org.tw"}[color=red, label="NIDS \n \n[FTP: Format String in Command]"];
{"168.150.177.164"}->{"239.255.255.250"}[color=red, label="NIDS \n \n[SCAN UPnP service discover attempt ]"];
{"168.150.177.165"}->{"168.150.177.166"}[color=red, label="NIDS \n \n[NETBIOS SMB IPC$ unicode share access ]"];
{"168.95.1.1"}->{"140.110.104.84"}[color=red, label="NIDS \n \n[UDP PORT SCAN]"];
{"60.173.26.116"}->{"140.110.127.253"}[color=red, label="NIDS \n \n[TCP SYN]"];
}
}}}
[[Image(20110609_1141.svg,width=600)]]
== list ==
* 列表格式
{{{
#!js
[ "來源IP " , "目標IP " , "起始時間" , "結束時間" , "嚴重性" , "IDS", "總數" , "說明"]
}}}
== blacklist ==
輸入：
|| 0 @@ || 1 @@ || 2 @@ || 3 @@ || 4 @@ || 5 @@ || 6 @@ || 7 @@ || 8 @@ ||
|| 77.68.104.162->140.110.134.198 || priority || time~time || [class] || [sid] || [detail ] || [ port ] || [ids] || count ||
輸出結果： sip @@ dip @@ port @@ time @@ detail @@ ids @@ count
=== 範例 ===
{{{
#!text
111.165.17.16->phe96.sro.nchc.org.tw @@1@@20030811_121000~20030811_121000@@[0]@@[0]@@[FTP: Format String in Command]@@[65432,555]@@[1,2,3]@@222-1-1
112.78.196.214->140.110.110.4 @@1@@20030811_123000~20030811_123000@@[0]@@[0]@@[SSH: Pragma Fortress Key OverFlow]@@[22,999]@@[1]@@44-1-1
112.78.196.214->140.110.111.11 @@2@@20030811_121800~20030811_121800@@[0]@@[0]@@[SSH: Pragma Fortress Key OverFlow]@@[22]@@[2]@@1-1-1
112.78.196.214->140.110.113.131 @@3@@20030811_115400~20030811_115400@@[0]@@[0]@@[SSH: Pragma Fortress Key OverFlow]@@[22]@@[2]@@2-1-1
}}}
{{{
#!text
111.165.17.16@@phe96.sro.nchc.org.tw@@65432,555@@20030811_121000~20030811_121000@@FTP: Format String in Command@@snort,idp8200,nk7admin@@222
112.78.196.214@@140.110.110.4@@22,999@@20030811_123000~20030811_123000@@SSH: Pragma Fortress Key OverFlow@@snort@@44
}}}
= 試算結果 =
== 06/09 ==
* snort 警訊 1081 筆，idp8200 警訊 1000 筆， nk7admin 警訊 1000 筆，共 3081 筆資訊
* 整合後得 654 筆輸出結果，以及一張攻擊圖，
* 運算時間為 34 秒
* 之後會將輸出結果導入資料庫，並且最佳化攻擊圖。
== 07/07 ==
* snort 警訊 1081 筆，idp8200 警訊 1000 筆， nk7admin 警訊 1000 筆，共 3081 筆資訊
* 整合後得 654 筆警訊列表，黑名單 654 筆資訊, 圖 654 筆事件
* 運算時間 4.5 秒