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controlsuz123
Member
Join Date: Nov 2009
Old 05-10-2017 , 07:08   Re: [Linux] [PoC] DDoS Protection - Kernel redirection!
Reply With Quote #7

hi again spumer, I did everything very well.

1. Enable Kernel module
2. I did my iptables this rule

iptables -t nat -I PREROUTING -p udp -d 185.87.120.87 --dport 27015 -m u32 --u32 '0>>22&0x3C@8=0xFFFFFFFF && 0>>22&0x3C@12=0x54536F75 && 0>>22&0x3C@16=0x72636520 && 0>>22&0x3C@20=0x456E6769 && 0>>22&0x3C@24=0x6E652051 && 0>>22&0x3C@28=0x75657279' -j
REDIRECT --to-port 27915

3. I started mono QueryCache.exe 27915 185.87.120.87 27015

4. I'm checking with python3 test_a2sinfo.py


Quote:
root@cs:~# python3 test_a2sinfo.py
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x06\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x06\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x06\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x06\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x07\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x06\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x06\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=206
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x06\x13\x05dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01128,aim,deathmatch,dm,ffa,warmup,wasp,HLst atsX:CE,secure\x00\xda\x02\x00\x00\x00\x00\x0 0\x00'
Got response, len=212
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x00\x13\x00dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01empty,128,aim,deathmatch,dm,ffa,warmup,was p,HLstatsX:CE,secure\x00\xda\x02\x00\x00\x00\ x00\x00\x00'
Got response, len=212
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x00\x13\x00dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01empty,128,aim,deathmatch,dm,ffa,warmup,was p,HLstatsX:CE,secure\x00\xda\x02\x00\x00\x00\ x00\x00\x00'
Got response, len=212
b'\xff\xff\xff\xffI\x11[TR] WASP\xe2\x84\xa2 #1 \xe2\x98\x85DM\xe2\x98\x85 [D2/Mir/cach][FFA][128 TK] - PRO\x00de_dust2\x00csgo\x00Counter-Strike: Global Offensive\x00\xda\x02\x00\x13\x00dl\x00\x011. 35.7.8\x00\xb1\x87i\xbb\xbf\x0e\x00\x00\x000\ x01empty,128,aim,deathmatch,dm,ffa,warmup,was p,HLstatsX:CE,secure\x00\xda\x02\x00\x00\x00\ x00\x00\x00'
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