Man-in-the-middle attack SLL_Accept failed, throw error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol:
1
I tried to Man-in-the-middle attack with C, success get HTTPS target host, SSL_connect to the server and create fake certificate success, when I try to SSL_accept client socket, it's failed and SSL_error: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
int socket_to_server = open_client_socket(p->client, p->host, p->port);
// create ssl connect by server socket
ssl_to_server = SSL_to_server_init(socket_to_server);
if (SSL_connect(ssl_to_server) < 0)
SSL_Error("Fail to connect server with ssl!");
printf("%d, SSL to servern", sum);
// get server cert and fake
fake_x509 = create_fake_certificate(ssl_to_server, p->key);
// use fake cert create client SLL connect
ssl_to_client = SSL_to_client_init(p->client, fake_x509, p->key);
if(ssl_to_client == 0)
SSL_Error("SSL to client Failed!n");
if (SSL_accept(ssl_to_client) <= 0) // failed there, error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
SSL_Error("Fail to accept client with ssl!");
c openssl man-in-the-middle
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
add a comment |
1
I tried to Man-in-the-middle attack with C, success get HTTPS target host, SSL_connect to the server and create fake certificate success, when I try to SSL_accept client socket, it's failed and SSL_error: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
int socket_to_server = open_client_socket(p->client, p->host, p->port);
// create ssl connect by server socket
ssl_to_server = SSL_to_server_init(socket_to_server);
if (SSL_connect(ssl_to_server) < 0)
SSL_Error("Fail to connect server with ssl!");
printf("%d, SSL to servern", sum);
// get server cert and fake
fake_x509 = create_fake_certificate(ssl_to_server, p->key);
// use fake cert create client SLL connect
ssl_to_client = SSL_to_client_init(p->client, fake_x509, p->key);
if(ssl_to_client == 0)
SSL_Error("SSL to client Failed!n");
if (SSL_accept(ssl_to_client) <= 0) // failed there, error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
SSL_Error("Fail to accept client with ssl!");
c openssl man-in-the-middle
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
1
How exactly do you connect to this proxy?
– Ctx
Nov 13 '18 at 9:48
X509_verify fake cert return success
– SKR_OVER
Nov 13 '18 at 10:05
add a comment |
1
1
1
I tried to Man-in-the-middle attack with C, success get HTTPS target host, SSL_connect to the server and create fake certificate success, when I try to SSL_accept client socket, it's failed and SSL_error: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
int socket_to_server = open_client_socket(p->client, p->host, p->port);
// create ssl connect by server socket
ssl_to_server = SSL_to_server_init(socket_to_server);
if (SSL_connect(ssl_to_server) < 0)
SSL_Error("Fail to connect server with ssl!");
printf("%d, SSL to servern", sum);
// get server cert and fake
fake_x509 = create_fake_certificate(ssl_to_server, p->key);
// use fake cert create client SLL connect
ssl_to_client = SSL_to_client_init(p->client, fake_x509, p->key);
if(ssl_to_client == 0)
SSL_Error("SSL to client Failed!n");
if (SSL_accept(ssl_to_client) <= 0) // failed there, error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
SSL_Error("Fail to accept client with ssl!");
c openssl man-in-the-middle
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
I tried to Man-in-the-middle attack with C, success get HTTPS target host, SSL_connect to the server and create fake certificate success, when I try to SSL_accept client socket, it's failed and SSL_error: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
int socket_to_server = open_client_socket(p->client, p->host, p->port);
// create ssl connect by server socket
ssl_to_server = SSL_to_server_init(socket_to_server);
if (SSL_connect(ssl_to_server) < 0)
SSL_Error("Fail to connect server with ssl!");
printf("%d, SSL to servern", sum);
// get server cert and fake
fake_x509 = create_fake_certificate(ssl_to_server, p->key);
// use fake cert create client SLL connect
ssl_to_client = SSL_to_client_init(p->client, fake_x509, p->key);
if(ssl_to_client == 0)
SSL_Error("SSL to client Failed!n");
if (SSL_accept(ssl_to_client) <= 0) // failed there, error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
SSL_Error("Fail to accept client with ssl!");
c openssl man-in-the-middle
c openssl man-in-the-middle
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
edited Nov 13 '18 at 10:47
Billal Begueradj
5,858132741
5,858132741
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
asked Nov 13 '18 at 9:29
SKR_OVERSKR_OVER
114
114
1
How exactly do you connect to this proxy?
– Ctx
Nov 13 '18 at 9:48
X509_verify fake cert return success
– SKR_OVER
Nov 13 '18 at 10:05
add a comment |
1
How exactly do you connect to this proxy?
– Ctx
Nov 13 '18 at 9:48
X509_verify fake cert return success
– SKR_OVER
Nov 13 '18 at 10:05
1
1
How exactly do you connect to this proxy?
– Ctx
Nov 13 '18 at 9:48
How exactly do you connect to this proxy?
– Ctx
Nov 13 '18 at 9:48
X509_verify fake cert return success
– SKR_OVER
Nov 13 '18 at 10:05
X509_verify fake cert return success
– SKR_OVER
Nov 13 '18 at 10:05
add a comment |
0
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1
How exactly do you connect to this proxy?
– Ctx
Nov 13 '18 at 9:48
X509_verify fake cert return success
– SKR_OVER
Nov 13 '18 at 10:05