Socket listen to failed SSH connection (Protocol mismatch) over ADB forwarded socket to Android

gistfile1.txt

➜  ~ sudo mv /var/folders/jk/3fltf9vx0n15p2qhkpjx2zk80000gn/T/adb-channel.O3qvO2/sock /var/folders/jk/3fltf9vx0n15p2qhkpjx2zk80000gn/T/adb-channel.O3qvO2/sock.original
sudo socat -t100 -x -v UNIX-LISTEN:/var/folders/jk/3fltf9vx0n15p2qhkpjx2zk80000gn/T/adb-channel.O3qvO2/sock,mode=777,reuseaddr,fork UNIX-CONNECT:/var/folders/jk/3fltf9vx0n15p2qhkpjx2zk80000gn/T/adb-channel.O3qvO2/sock.original

< 2017/04/12 03:20:06.995969  length=21 from=0 to=20
 53 53 48 2d 32 2e 30 2d 4f 70 65 6e 53 53 48 5f  SSH-2.0-OpenSSH_
 37 2e 31 0d 0a                                   7.1..
--
> 2017/04/12 03:20:07.014937  length=1432 from=0 to=1431
 00 00 05 94 0b 14 08 12 e0 64 0b 32 7c d3 0d ce  .........d.2|...
 42 da 73 55 13 46 00 00 01 30 63 75 72 76 65 32  B.sU.F...0curve2
 35 35 31 39 2d 73 68 61 32 35 36 2c 63 75 72 76  5519-sha256,curv
 65 32 35 35 31 39 2d 73 68 61 32 35 36 40 6c 69  e25519-sha256@li
 62 73 73 68 2e 6f 72 67 2c 65 63 64 68 2d 73 68  bssh.org,ecdh-sh
 61 32 2d 6e 69 73 74 70 32 35 36 2c 65 63 64 68  a2-nistp256,ecdh
 2d 73 68 61 32 2d 6e 69 73 74 70 33 38 34 2c 65  -sha2-nistp384,e
 63 64 68 2d 73 68 61 32 2d 6e 69 73 74 70 35 32  cdh-sha2-nistp52
 31 2c 64 69 66 66 69 65 2d 68 65 6c 6c 6d 61 6e  1,diffie-hellman
 2d 67 72 6f 75 70 2d 65 78 63 68 61 6e 67 65 2d  -group-exchange-
 73 68 61 32 35 36 2c 64 69 66 66 69 65 2d 68 65  sha256,diffie-he
 6c 6c 6d 61 6e 2d 67 72 6f 75 70 31 36 2d 73 68  llman-group16-sh
 61 35 31 32 2c 64 69 66 66 69 65 2d 68 65 6c 6c  a512,diffie-hell
 6d 61 6e 2d 67 72 6f 75 70 31 38 2d 73 68 61 35  man-group18-sha5
 31 32 2c 64 69 66 66 69 65 2d 68 65 6c 6c 6d 61  12,diffie-hellma
 6e 2d 67 72 6f 75 70 2d 65 78 63 68 61 6e 67 65  n-group-exchange
 2d 73 68 61 31 2c 64 69 66 66 69 65 2d 68 65 6c  -sha1,diffie-hel
 6c 6d 61 6e 2d 67 72 6f 75 70 31 34 2d 73 68 61  lman-group14-sha
 32 35 36 2c 64 69 66 66 69 65 2d 68 65 6c 6c 6d  256,diffie-hellm
 61 6e 2d 67 72 6f 75 70 31 34 2d 73 68 61 31 2c  an-group14-sha1,
 65 78 74 2d 69 6e 66 6f 2d 63 00 00 01 22 65 63  ext-info-c..."ec
 64 73 61 2d 73 68 61 32 2d 6e 69 73 74 70 32 35  dsa-sha2-nistp25
 36 2d 63 65 72 74 2d 76 30 31 40 6f 70 65 6e 73  6-cert-v01@opens
 73 68 2e 63 6f 6d 2c 65 63 64 73 61 2d 73 68 61  sh.com,ecdsa-sha
 32 2d 6e 69 73 74 70 33 38 34 2d 63 65 72 74 2d  2-nistp384-cert-
 76 30 31 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c  [email protected],
 65 63 64 73 61 2d 73 68 61 32 2d 6e 69 73 74 70  ecdsa-sha2-nistp
 35 32 31 2d 63 65 72 74 2d 76 30 31 40 6f 70 65  521-cert-v01@ope
 6e 73 73 68 2e 63 6f 6d 2c 73 73 68 2d 65 64 32  nssh.com,ssh-ed2
 35 35 31 39 2d 63 65 72 74 2d 76 30 31 40 6f 70  5519-cert-v01@op
 65 6e 73 73 68 2e 63 6f 6d 2c 73 73 68 2d 72 73  enssh.com,ssh-rs
 61 2d 63 65 72 74 2d 76 30 31 40 6f 70 65 6e 73  a-cert-v01@opens
 73 68 2e 63 6f 6d 2c 65 63 64 73 61 2d 73 68 61  sh.com,ecdsa-sha
 32 2d 6e 69 73 74 70 32 35 36 2c 65 63 64 73 61  2-nistp256,ecdsa
 2d 73 68 61 32 2d 6e 69 73 74 70 33 38 34 2c 65  -sha2-nistp384,e
 63 64 73 61 2d 73 68 61 32 2d 6e 69 73 74 70 35  cdsa-sha2-nistp5
 32 31 2c 73 73 68 2d 65 64 32 35 35 31 39 2c 72  21,ssh-ed25519,r
 73 61 2d 73 68 61 32 2d 35 31 32 2c 72 73 61 2d  sa-sha2-512,rsa-
 73 68 61 32 2d 32 35 36 2c 73 73 68 2d 72 73 61  sha2-256,ssh-rsa
 00 00 00 8d 63 68 61 63 68 61 32 30 2d 70 6f 6c  ....chacha20-pol
 79 31 33 30 35 40 6f 70 65 6e 73 73 68 2e 63 6f  [email protected]
 6d 2c 61 65 73 31 32 38 2d 63 74 72 2c 61 65 73  m,aes128-ctr,aes
 31 39 32 2d 63 74 72 2c 61 65 73 32 35 36 2d 63  192-ctr,aes256-c
 74 72 2c 61 65 73 31 32 38 2d 67 63 6d 40 6f 70  tr,aes128-gcm@op
 65 6e 73 73 68 2e 63 6f 6d 2c 61 65 73 32 35 36  enssh.com,aes256
 2d 67 63 6d 40 6f 70 65 6e 73 73 68 2e 63 6f 6d  [email protected]
 2c 61 65 73 31 32 38 2d 63 62 63 2c 61 65 73 31  ,aes128-cbc,aes1
 39 32 2d 63 62 63 2c 61 65 73 32 35 36 2d 63 62  92-cbc,aes256-cb
 63 00 00 00 8d 63 68 61 63 68 61 32 30 2d 70 6f  c....chacha20-po
 6c 79 31 33 30 35 40 6f 70 65 6e 73 73 68 2e 63  [email protected]
 6f 6d 2c 61 65 73 31 32 38 2d 63 74 72 2c 61 65  om,aes128-ctr,ae
 73 31 39 32 2d 63 74 72 2c 61 65 73 32 35 36 2d  s192-ctr,aes256-
 63 74 72 2c 61 65 73 31 32 38 2d 67 63 6d 40 6f  ctr,aes128-gcm@o
 70 65 6e 73 73 68 2e 63 6f 6d 2c 61 65 73 32 35  penssh.com,aes25
 36 2d 67 63 6d 40 6f 70 65 6e 73 73 68 2e 63 6f  [email protected]
 6d 2c 61 65 73 31 32 38 2d 63 62 63 2c 61 65 73  m,aes128-cbc,aes
 31 39 32 2d 63 62 63 2c 61 65 73 32 35 36 2d 63  192-cbc,aes256-c
 62 63 00 00 00 d5 75 6d 61 63 2d 36 34 2d 65 74  bc....umac-64-et
 6d 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c 75 6d  [email protected],um
 61 63 2d 31 32 38 2d 65 74 6d 40 6f 70 65 6e 73  ac-128-etm@opens
 73 68 2e 63 6f 6d 2c 68 6d 61 63 2d 73 68 61 32  sh.com,hmac-sha2
 2d 32 35 36 2d 65 74 6d 40 6f 70 65 6e 73 73 68  -256-etm@openssh
 2e 63 6f 6d 2c 68 6d 61 63 2d 73 68 61 32 2d 35  .com,hmac-sha2-5
 31 32 2d 65 74 6d 40 6f 70 65 6e 73 73 68 2e 63  [email protected]
 6f 6d 2c 68 6d 61 63 2d 73 68 61 31 2d 65 74 6d  om,hmac-sha1-etm
 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c 75 6d 61  @openssh.com,uma
 63 2d 36 34 40 6f 70 65 6e 73 73 68 2e 63 6f 6d  [email protected]
 2c 75 6d 61 63 2d 31 32 38 40 6f 70 65 6e 73 73  ,umac-128@openss
 68 2e 63 6f 6d 2c 68 6d 61 63 2d 73 68 61 32 2d  h.com,hmac-sha2-
 32 35 36 2c 68 6d 61 63 2d 73 68 61 32 2d 35 31  256,hmac-sha2-51
 32 2c 68 6d 61 63 2d 73 68 61 31 00 00 00 d5 75  2,hmac-sha1....u
 6d 61 63 2d 36 34 2d 65 74 6d 40 6f 70 65 6e 73  mac-64-etm@opens
 73 68 2e 63 6f 6d 2c 75 6d 61 63 2d 31 32 38 2d  sh.com,umac-128-
 65 74 6d 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c  [email protected],
 68 6d 61 63 2d 73 68 61 32 2d 32 35 36 2d 65 74  hmac-sha2-256-et
 6d 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c 68 6d  [email protected],hm
 61 63 2d 73 68 61 32 2d 35 31 32 2d 65 74 6d 40  ac-sha2-512-etm@
 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c 68 6d 61 63  openssh.com,hmac
 2d 73 68 61 31 2d 65 74 6d 40 6f 70 65 6e 73 73  -sha1-etm@openss
 68 2e 63 6f 6d 2c 75 6d 61 63 2d 36 34 40 6f 70  h.com,umac-64@op
 65 6e 73 73 68 2e 63 6f 6d 2c 75 6d 61 63 2d 31  enssh.com,umac-1
 32 38 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c 68  [email protected],h
 6d 61 63 2d 73 68 61 32 2d 32 35 36 2c 68 6d 61  mac-sha2-256,hma
 63 2d 73 68 61 32 2d 35 31 32 2c 68 6d 61 63 2d  c-sha2-512,hmac-
 73 68 61 31 00 00 00 1a 6e 6f 6e 65 2c 7a 6c 69  sha1....none,zli
 62 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c 7a 6c  [email protected],zl
 69 62 00 00 00 1a 6e 6f 6e 65 2c 7a 6c 69 62 40  ib....none,zlib@
 6f 70 65 6e 73 73 68 2e 63 6f 6d 2c 7a 6c 69 62  openssh.com,zlib
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 00 00 00 00 00 00 00 00                          ........
--
< 2017/04/12 03:20:07.020855  length=19 from=21 to=39
 50 72 6f 74 6f 63 6f 6c 20 6d 69 73 6d 61 74 63  Protocol mismatc
 68 2e 0a                                         h..
--