coWPAtty for Windows MAIN:" c# [' V" W5 W: S0 @- t+ L- A" K% |$ J: F; h* D. ^; Y% O q$ A
"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, a0 H3 v8 p7 m5 v6 `
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
T5 N# W4 ~0 M7 p$ C; ~7 h4 W' N$ U0 v0 j Precomputing WPA PMK to crack WPA PSK
4 F- I0 {* Q2 ?9 u( l0 k- F% P/ E$ w7 Q$ e7 b- j coWPAtty Precomputed WPA Attack
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8 d8 t! Y% q$ ^1 k" `" NcoWPAtty Recomputed WPA2 Attack
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9 M& _( m. n# ^! Y1 |! q1 McoWPAtty Tables
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+ [: [- K- w- b! [$ Y8 ? n4 CcoWPAtty Usage:" l' Q1 y& _/ ]; a, B. K: b1 ^ T: ~/ B0 }
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coWPAtty Dictionary Attack:
Q& w F0 L! |9 e9 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.
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9 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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cowpatty -f dict -r wpapsk-linksys.dump -s linksys
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+ _8 c8 g5 m4 o; l# q& wAs 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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3 ^& w* u& P8 q9 k" k* ywpapsk-linksys.dump is the capture containing the four-way handshake
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2 i# r' v0 m, X2 O! I/ \dict is the password file
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& t# a& L3 M8 U- H5 V* ]linksys is the network SSID
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Precomputing WPA PMK to crack WPA PSK:& ?( q1 a- w9 ?+ R, ^4 }& y8 k& Z' [& v3 A) Y9 c! C1 E% o
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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So to generate some hash files for a network using the SSID cuckoo we use:
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genpmk -f dict -d linksys.hashfile -s linksys
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dict is the password file
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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
# k) v3 t1 {9 T+ I9 s% GNow 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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5 I, `2 P% E/ m% N5 i# Ncowpatty -d linksys.hashfile -r wpapsk-linksys.dump -s linksys
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- H) A& ^- a& R8 i6 f) ]$ l9 W6 Rwpa-test-01.cap is the capture containing the four-way handshake
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Notice 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& T1 V/ v9 m3 H9 Q# x, r% J \
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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9 N* U- [" ~# J6 ], c& k7 A+ g wpa2psk-linksys.dump is the capture containing the four-way handshake
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4 O- o: ^4 }! m. ~ dict is the password file
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0 i5 I+ ]3 ]! g2 f# @3 [: v9 t6 @# J' Y. P7 t* G, X6 `/ LcoWPAtty Tables: . B1 j0 u2 s; ^# x& ~4 v0 u
8 ?! 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:7 G+ }+ R8 J5 x; W# f. b+ D8 O
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http://torrents.lostboxen.net/co ... atty-4.0_2006-10-19
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A 33 Gigabyte set of tables are also available: http://umbra.shmoo.com:6969/$ d5 C" P* g$ p! D, i8 a& G0 L4 ]* I0 T; |3 z
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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！