coWPAtty for Windows MAIN:" c# [' V" W5 W: S0 @- t+ L- A" K4 D+ h6 z8 B) R
"coWPAtty is designed to audit the pre-shared key (PSK) selection for WPA networks based on the TKIP protocol." - Joshua Wright. ! j4 _$ I9 I$ ~6 {, C, a, _8 G: |/ f/ H X2 Q! c% J
Project Homepage: http://www.willhackforsushi.com/Cowpatty.html
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Local Mirror: Cowpatty-4.0-win32.zip MD5: aa9ead2aacfcc493da3684351425d4c6
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coWPAtty Dictionary Attack
3 h6 o, C! S" w( e: w+ v# i; ~7 h4 W' N$ U0 v0 j Precomputing WPA PMK to crack WPA PSK
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- F% P/ E$ w7 Q$ e7 b- j coWPAtty Precomputed WPA Attack
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coWPAtty Recomputed WPA2 Attack
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coWPAtty Tables
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+ [: [- K- w- b! [$ Y8 ? n4 CcoWPAtty Usage:" l' Q1 y& _/ ]; a, B. K2 Z0 X5 W( B# Y* j* J
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coWPAtty Dictionary Attack:
; m3 G0 B5 c- x& h' a1 c9 a, {2 P& p m( @ Toperform the coWPAtty dictionary attack we need to supply the tool witha capture file that includes the TKIP four-way handshake, a dictionaryfile of passphrases to guess with and the SSID for the network.
$ u! |4 _- ]- q# V9 g1 _6 x5 V$ c, m) e: q+ k# @% d In orderto collect the four-way handshake you can either wait until a clientjoins the network or preferably you can force it to rejoin the networkusing tools like void11 or aireplay and capture the handshakes usingsomething like kismet, ethereal or airodump.
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( I" T4 O/ @' ~/ y; t2 D% I# t7 [$ ^cowpatty -f dict -r wpapsk-linksys.dump -s linksys
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As youcan see this simple dictionary attack took 51 seconds, we can speed upthis process by precomputing the WPA-PMK to crack the WPA-PSK (seebelow).
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1 ]# V* y8 Z8 Z5 O# L7 o" Cwpapsk-linksys.dump is the capture containing the four-way handshake
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dict is the password file
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linksys is the network SSID
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. d% e4 Y" N: [1 B2 S2 [$ w9 g* qPrecomputing WPA PMK to crack WPA PSK:& ?( q1 a- w9 ?+ R, ^4 }& y8 k& Z' [- y7 P/ b6 Z% n D. }3 Z
genpmkis used to precompute the hash files in a similar way to Rainbow tablesis used to pre-hash passwords in Windows LANMan attacks. There is aslight difference however in WPA in that the SSID of the network isused as well as the WPA-PSK to "salt" the hash. This means that weneed a different set of hashes for each and every unique SSID i.e. aset for "linksys" a set for "tsunami" etc.
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1 j ]4 I: ~6 T& f2 j9 B YSo to generate some hash files for a network using the SSID cuckoo we use:
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" K+ n$ f% }% L9 lgenpmk -f dict -d linksys.hashfile -s linksys
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dict is the password file
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0 B5 }3 a0 h7 m' P7 [linksys.hashfile is our output file
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% F" u( X V' o+ `9 `; P linksys is the network ESSID
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coWPAtty Precomputed WPA Attack:4 z7 T. n" N& j p5 E1 G! A3 g* W b; v" W2 V$ J. b
Now wehave created our hash file we can use it against any WPA-PSK networkthat is utilising a network SSID of cuckoo. Remember the capture(wpa-test-01.cap) must contain the four-way handshake to be successful.
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cowpatty -d linksys.hashfile -r wpapsk-linksys.dump -s linksys
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/ |* }* q$ Q0 S+ swpa-test-01.cap is the capture containing the four-way handshake
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/ N( I! Y% d7 e, s linksys is the network ESSID
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; ]- T+ p$ S3 i: FNotice that cracking the WPA-PSK took 0.04 seconds with the pre-computed attacked as opposed to 200 secondswith standard dictionary attack mode, albeit you do need to pre-computethe hash files prior to the attack. However, precomputing large hashfiles for common SSIDS (e.g. linksys, tsunami) would be a sensible movefor most penetration testers.
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# `. W7 b$ h- v' ?3 z1 ccoWPAtty Precomputed WPA2 Attack:- d( ^7 X: ~* l+ ]0 B
/ e4 r) c1 K% j, x0 \coWPAtty4.0 is also capable of attacking WPA2 captures. Note: The same hashfile as was used with the WPA capture was also used with the WPA2capture.
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% X+ ]& j9 d3 ^+ Y3 p: {; P& A cowpatty -d linksys.hashfile -r wpa2psk-linksys.dump -s linksys
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9 N* U- [" ~# J6 ], c& k7 A+ g wpa2psk-linksys.dump is the capture containing the four-way handshake
/ m" @1 X5 }* N' \$ ?5 C4 O- o: ^4 }! m. ~ dict is the password file
y+ p$ z4 j8 z. }7 ], X1 {3 V! b% U0 ?+ Y% O linksys is the network SSID
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j( ]0 Z, W& G4 k/ Y F k# P2 |: v9 t6 @# J' Y. P7 t* G, X6 `/ LcoWPAtty Tables:
- h7 l& Y( @" L1 @: B+ n& \$ D( p8 ?! h5 l% \6 E, G3 `" n9 g1 i( ?- AThe Church of Wifi have produced some lookup tables for 1000 SSID's computed against a 170,000 word password file. The resultant table are approximately 7 Gigabytes in size and can be downloaded via Torrent:
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2 V' n. |4 y7 J/ n. Y. Ehttp://torrents.lostboxen.net/co ... atty-4.0_2006-10-197 v4 [' B; B( d4 V+ K
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/ ~1 r* W" Q( x; lA 33 Gigabyte set of tables are also available: http://umbra.shmoo.com:6969/$ d5 C" P* g$ p! D, i8 a
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4 j1 N8 u) d+ W% V' ?2 W% rOr you can buy them via DVD, direct from Renderman (initiator of the project): http://www.renderlab.net/projects/WPA-tables/
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发表于 2010-3-19 18:39
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{:2_31:} {:3_47:} 上当了，全是鸟文！