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Modify the proxy autoconfig code as per Juan Caillava's code at:

Browse Source 
https://medium.com/@br4nsh/a-meterpreter-and-windows-proxy-case-4af2b866f4a1
This commit is contained in:
Meatballs 2018-11-19 16:04:26 +00:00
parent 4fe333fcb4
commit a349e592e3
1 changed files with 4 additions and 2 deletions

6
c/meterpreter/source/server/win/server_transport_winhttp.c

@ -64,16 +64,18 @@ static HINTERNET get_request_winhttp(HttpTransportContext *ctx, BOOL isGet, cons
autoProxyOpts.dwFlags = WINHTTP_AUTOPROXY_AUTO_DETECT; autoProxyOpts.dwFlags = WINHTTP_AUTOPROXY_AUTO_DETECT;
autoProxyOpts.dwAutoDetectFlags = WINHTTP_AUTO_DETECT_TYPE_DHCP | WINHTTP_AUTO_DETECT_TYPE_DNS_A; autoProxyOpts.dwAutoDetectFlags = WINHTTP_AUTO_DETECT_TYPE_DHCP | WINHTTP_AUTO_DETECT_TYPE_DNS_A;
autoProxyOpts.lpszAutoConfigUrl = 0;
} }
else else if (ieConfig.lpszAutoConfigUrl)
{ {
dprintf("[PROXY] IE config set to autodetect with URL %S", ieConfig.lpszAutoConfigUrl); dprintf("[PROXY] IE config set to autodetect with URL %S", ieConfig.lpszAutoConfigUrl);
autoProxyOpts.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL; autoProxyOpts.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL;
autoProxyOpts.dwAutoDetectFlags = 0;
autoProxyOpts.lpszAutoConfigUrl = ieConfig.lpszAutoConfigUrl; autoProxyOpts.lpszAutoConfigUrl = ieConfig.lpszAutoConfigUrl;
} }
autoProxyOpts.fAutoLogonIfChallenged = TRUE; autoProxyOpts.fAutoLogonIfChallenged = TRUE;
if (WinHttpGetProxyForUrl(ctx->internet, ctx->url, &autoProxyOpts, &proxyInfo)) if (WinHttpGetProxyForUrl(ctx->internet, ctx->url, &autoProxyOpts, &proxyInfo))
{ {
ctx->proxy_for_url = malloc(sizeof(WINHTTP_PROXY_INFO)); ctx->proxy_for_url = malloc(sizeof(WINHTTP_PROXY_INFO));