This is a discussion on CRAP in http payload. within the comp.unix.bsd.openbsd.misc forums, part of the OpenBSD category; --> Dear all, I am not sure whether the following snapshot captured in snort is an intrusion pattern in http ...
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| Dear all, I am not sure whether the following snapshot captured in snort is an intrusion pattern in http connection: 07/26-17:27:41.796540 192.168.1.20:1077 -> 218.189.120.80:8888 TCP TTL:64 TOS:0x0 ID:9507 IpLen:20 DgmLen:95 DF ***AP*** Seq: 0x755922F2 Ack: 0x8A8C74F3 Win: 0x16D0 TcpLen: 32 TCP Options (3) => NOP NOP TS: 66848723 2170190 0x0000: 00 02 B3 8A C9 8A 00 01 02 00 68 BD 08 00 45 00 ..........h...E. 0x0010: 00 5F 25 23 40 00 40 06 EC AB C0 A8 01 14 DA BD ._%#@.@......... 0x0020: 8C 50 04 35 22 B8 75 59 22 F2 8A 8C 74 F3 80 18 .P.5".uY"...t... 0x0030: 16 D0 1C 3B 00 00 01 01 08 0A 03 FC 07 D3 00 21 ...;...........! 0x0040: 1D 4E 50 4F 53 54 20 2F 69 6E 64 65 78 2E 68 74 .NPOST /index.ht 0x0050: 6D 6C 3F 63 72 61 70 3D 31 30 35 39 32 31 30 34 ml?crap=10592104 =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ =+=+=+=+=+=+=+=+=+=+=+=+ 07/26-17:27:41.796587 192.168.1.20:1077 -> 218.189.120.80:8888 TCP TTL:64 TOS:0x0 ID:9508 IpLen:20 DgmLen:56 DF ***AP*** Seq: 0x7559231D Ack: 0x8A8C74F3 Win: 0x16D0 TcpLen: 32 TCP Options (3) => NOP NOP TS: 66848723 2170190 0x0000: 00 02 B3 8A C9 8A 00 01 02 00 68 BD 08 00 45 00 ..........h...E. ....skipping... 0x0040: 1D 52 47 45 54 20 2F 69 6E 64 65 78 2E 68 74 6D .RGET /index.htm 0x0050: 6C 3F 63 72 61 70 3D 31 30 35 39 32 31 30 34 37 l?crap=105921047 Something I found strange in the payload is the crap=1059.... in both captures. Is this weird? Thanks sam |
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| "sam" <samwun@hgcbroadband.com> wrote in message news:bftid9$2tvd$1@news.hgc.com.hk... > Dear all, Hi > Something I found strange in the payload is the crap=1059.... in both > captures. Is this weird? Hmz.. Intresting, did some googling try looking here. http://www.google.com/search?q=url+%...html%3Fcrap%22 The second result (Pretty huge) gives loads of results on `crap` $ egrep 'index.html|crap' 2002.txt |wc -l 61 Seems to be some sort of proxy / http_write request. -- -[ ViPER - viper@dmrt.net -[ http://www.dmrt.net -[ http://www.securitydatabase.net -[ I am kept in place by G-forces, not seatbelts |
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| I just found that the http.c is in httptunnel. I found the "crap" code already. thanks sam "sam" <samwun@hgcbroadband.com> wrote in message news:bgls17$kjb$1@news.hgc.com.hk... > but I can't find this coding in the current apache source: > > [root@redhat local]# cd apache_1.3.28/ > [root@redhat apache_1.3.28]# !find > find . -type f -print | xargs -n 1 grep -i crap > crap required to do normal file serving. Place directives such as: > char *scrap_book; > scrap_book = ap_pstrdup(r->pool, r->filename); > scrap_book++; > last_slash = strrchr(scrap_book, '/'); > metafilename = ap_pstrcat(r->pool, "/", scrap_book, "/", > * pipes, symlinks, and crap like that. > /* Fix two really crap problems with Win32 spawn[lv]e*: > [root@redhat apache_1.3.28]# > thanks > sam > > "Bas Keur" <viper@dmrt.net> wrote in message > news:3f25c788$0$147$e4fe514c@dreader5.news.xs4all. nl... > > > > "sam" <samwun@hgcbroadband.com> wrote in message > > news:bftid9$2tvd$1@news.hgc.com.hk... > > > Dear all, > > > > Hi > > > > > Something I found strange in the payload is the crap=1059.... in both > > > captures. Is this weird? > > > > Hmz.. Intresting, did some googling try looking here. > > http://www.google.com/search?q=url+%...html%3Fcrap%22 > > The second result (Pretty huge) gives loads of results on `crap` > > > > $ egrep 'index.html|crap' 2002.txt |wc -l > > 61 > > > > Seems to be some sort of proxy / http_write request. > > > > > > -- > > -[ ViPER - viper@dmrt.net > > -[ http://www.dmrt.net > > -[ http://www.securitydatabase.net > > -[ I am kept in place by G-forces, not seatbelts > > > > > > |
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