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Franc1sco
Veteran Member
Join Date: Oct 2010
Location: Spain (Madrid)
Old 03-21-2020 , 13:37   Re: [CSGO] Server Crasher Exploit Patch [3/20/2020]
Reply With Quote #12

Quote:
Originally Posted by backwards View Post
*NOTE* This hasn't been extensively tested yet and may show unknown net messages in your server console when an attacker trys to exploit it.
This?
Code:
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  k.................`..... 6b0c0000 890e0000 a1f2a785 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d09098c6 00001051   
PKT  >>  ...@........ `@X....CA|. 03000040 02000000 00000000 20604058 ac01b104 43417c80   
PKT  >>  a}.                      617df8                                                  
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  k.................`..... 6b0c0000 890e0000 a1f2a785 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d09098c6 00001051   
PKT  >>  ...@........ `@X....CA|. 03000040 02000000 00000000 20604058 ac01b104 43417c80   
PKT  >>  a}.                      617df8                                                  
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  l........Qm.......`..... 6c0c0000 890e0000 a1516d85 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d090a8c6 00003051   
PKT  >>  ...@........ `@X....C... 03000040 02000000 00000000 20604058 ac01f917 43e97f80   
PKT  >>  9..                      398df8                                                  
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  m........l........`..... 6d0c0000 8b0e0000 a16c9f85 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d090b8c6 00005051   
PKT  >>  ...@........ `@h....C... 03000040 02000000 00000000 20604068 ac01c105 43b18480   
PKT  >>  ...                      898ef8                                                  
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 104, flags == 177
0 messages
Raw
PKT  >>  o......... ........`.... 6f0c0000 8f0e0000 b1112084 01e8ffff ff100060 d29a9afa   
PKT  >>  [email protected] ffff1f00 a288f87f 6880fb4f d0401080 10d0a0c8 c6000070   
PKT  >>  Q...@.......... [email protected].. 51030000 40020000 00000000 00000020 684088ac 0151b70e   
PKT  >>  @...q..                  40190e81 71aef8                                         
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  p......... .......`..... 700c0000 8f0e0000 a18c2084 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d090e8c6 0000b051   
PKT  >>  ...@........ `@...a.B... 03000040 02000000 00000000 20604088 ac01619e 42a90d81   
PKT  >>  y..                      79f4f8                                                  
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  l........Qm.......`..... 6c0c0000 890e0000 a1516d85 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d090a8c6 00003051   
PKT  >>  ...@........ `@X....C... 03000040 02000000 00000000 20604058 ac01f917 43e97f80   
PKT  >>  9..                      398df8                                                  
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  m........l........`..... 6d0c0000 8b0e0000 a16c9f85 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d090b8c6 00005051   
PKT  >>  ...@........ `@h....C... 03000040 02000000 00000000 20604068 ac01c105 43b18480   
PKT  >>  ...                      898ef8                                                  
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 104, flags == 177
0 messages
Raw
PKT  >>  o......... ........`.... 6f0c0000 8f0e0000 b1112084 01e8ffff ff100060 d29a9afa   
PKT  >>  [email protected] ffff1f00 a288f87f 6880fb4f d0401080 10d0a0c8 c6000070   
PKT  >>  Q...@.......... [email protected].. 51030000 40020000 00000000 00000020 684088ac 0151b70e   
PKT  >>  @...q..                  40190e81 71aef8                                         
Netchannel: unknown net message (76) from {hidden attacker ip for privacity rules}:27005.
unknown message
 Dumping messages for channel p0s1t1v3({hidden attacker ip for privacity rules}:27005) 0x0x182fc170
Header bits 96, flags == 161
0 messages
Raw
PKT  >>  p......... .......`..... 700c0000 8f0e0000 a18c2084 e8ffffff 100060d2 9a9afaff   
PKT  >>  [email protected] ff1f00a2 88f87f68 80fb4fc0 40108008 d090e8c6 0000b051   
PKT  >>  ...@........ `@...a.B... 03000040 02000000 00000000 20604088 ac01619e 42a90d81   
PKT  >>  y..                      79f4f8  

Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
Netchannel: failed reading message 8 from {hidden attacker ip for privacity rules}:27005.
One of the server where i help started to crash but when I did load your plugin then the crashes stopped. Thanks for the exploit patch, you are a life server saver


After that he tried to lag the server with "rcon bad password" attacks with different ips but if you dont have sv_rcon_banpenalty to 0 then it dont produce lag. (so you should set it to a value > than 0).
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Last edited by Franc1sco; 03-21-2020 at 14:02.
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