Snort Analyser
First select your Wireshark trace:
Trace name: /log/with_png.zip
Snort Output
Click here for the Pcap file. The Snort output is:
alert.ids: [**] [1:10000:0] GIF [**] [Priority: 0] 01/05-20:15:46.525001 77.72.118.168:80 -> 192.168.47.171:2738 TCP TTL:128 TOS:0x0 ID:63078 IpLen:20 DgmLen:83 ***AP**F Seq: 0x11976E7A Ack: 0xC8BE2DE7 Win: 0xFAF0 TcpLen: 20 [**] [1:10000:0] GIF [**] [Priority: 0] 01/05-20:15:46.682236 77.72.118.168:80 -> 192.168.47.171:2739 TCP TTL:128 TOS:0x0 ID:63085 IpLen:20 DgmLen:83 ***AP**F Seq: 0x32A2AF7 Ack: 0xC4B5FD53 Win: 0xFAF0 TcpLen: 20 [**] [1:10000:0] GIF [**] [Priority: 0] 01/05-20:15:46.691761 77.72.118.168:80 -> 192.168.47.171:2740 TCP TTL:128 TOS:0x0 ID:63089 IpLen:20 DgmLen:83 ***AP**F Seq: 0x142B362E Ack: 0xD36AF6ED Win: 0xFAF0 TcpLen: 20 [**] [1:10000:0] GIF [**] [Priority: 0] 01/05-20:15:46.771530 77.72.118.168:80 -> 192.168.47.171:2741 TCP TTL:128 TOS:0x0 ID:63093 IpLen:20 DgmLen:83 ***AP**F Seq: 0x2FC56F3 Ack: 0xA6C502A7 Win: 0xFAF0 TcpLen: 20 [**] [1:10002:0] PNG [**] [Priority: 0] 01/05-20:15:59.817928 176.255.203.40:80 -> 192.168.47.171:2732 TCP TTL:128 TOS:0x0 ID:63105 IpLen:20 DgmLen:1174 ***AP*** Seq: 0x3D2348B0 Ack: 0x8C8DF67F Win: 0xFAF0 TcpLen: 20 |
Rules file
# Signature Detection alert tcp any any -> any any (content:"GIF89a"; msg:"GIF";sid:10000) alert tcp any any -> any any (content:"%PDF"; msg:"PDF";sid:10001) alert tcp any any -> any any (content:"|89 50 4E 47|"; msg:"PNG";sid:10002) alert tcp any any -> any any (content:"|50 4B 03 04|"; msg:"ZIP";sid:10003) alert tcp any any -> any any (content:"|FF D8|"; msg:"JPEG";sid:10004) alert tcp any any -> any any (content:"|49 44 33|"; msg:"MP3";sid:10005) alert tcp any any -> any any (content:"|52 49 46 46|"; msg:"AVI";sid:10006) alert tcp any any -> any any (content:"|46 57 53|"; msg:"Flash SWF";sid:10007) alert tcp any any -> any any (content:"|46 4C 56|"; msg:"Flash Video";sid:10008) alert tcp any any -> any any (content:"|1F 8B 08|"; msg:"GZip";sid:10009) alert tcp any any -> any any (content:"|52 61 72 21 1A 07 00|"; msg:"RAR";sid:10010) alert tcp any any -> any any (content:"|D0 CF 11 E0 A1 B1 1A E1|"; msg:"Office 2010";sid:10011)
Examples
You can use Snort as a stand-alone analyser using the "-r" option. The following are the traces that can be used in Snort:
- Trace with Hydra FTP crack/Bad Login: here Test.
- Trace with Hydra Telnet crack: here Test.
- Trace with Port Scan: here Test.
- Trace with SYN Flood (DoS): here Test.
- Trace with FIN Flood (DoS): here Test.
- Trace with PDF file: here Test.
- Trace with GIF file: here Test.
- Trace with PNG file: here Test.
- Trace with email attachments (MIME): here Test.
- Trace with email addresses: here Test.
- Trace with credit card details: here Test.
- Trace with DNS: here Test.
- Trace with Ping sweep: here Test.
- Trace with SNMP: here Test.
- Trace with ARP Spoof: here Test.
- Trace with Heartbleed: here Test.
- Teardrop DoS: here Test.
- Bittorrent: here Test.