Fix: sometimes dnslog request record is uppercase caused by nuclei templates uneffective (#4697)

* Fix: sometimes dnslog request record is upper caused by cannot validate vuln

* convert request to lower for dns only

---------

Co-authored-by: daiwei11 <[email protected]>
Co-authored-by: Tarun Koyalwar <[email protected]>
Co-authored-by: Tarun Koyalwar <[email protected]>

Author: 3 people

cmd/integration-test/interactsh.go

@@ -5,7 +5,7 @@ import osutils "github.com/projectdiscovery/utils/os"
 // All Interactsh related testcases
 var interactshTestCases = []TestCaseInfo{
 	{Path: "protocols/http/interactsh.yaml", TestCase: &httpInteractshRequest{}, DisableOn: func() bool { return osutils.IsWindows() || osutils.IsOSX() }},
-	{Path: "protocols/http/interactsh-stop-at-first-match.yaml", TestCase: &httpInteractshStopAtFirstMatchRequest{}, DisableOn: func() bool { return true }}, // disable this test for now
-	{Path: "protocols/http/default-matcher-condition.yaml", TestCase: &httpDefaultMatcherCondition{}, DisableOn: func() bool { return true }},                // disable this test for now
+	{Path: "protocols/http/interactsh-stop-at-first-match.yaml", TestCase: &httpInteractshStopAtFirstMatchRequest{}, DisableOn: func() bool { return true }},
+	{Path: "protocols/http/default-matcher-condition.yaml", TestCase: &httpDefaultMatcherCondition{}, DisableOn: func() bool { return true }}, // disable this test for now
 	{Path: "protocols/http/interactsh-requests-mc-and.yaml", TestCase: &httpInteractshRequestsWithMCAnd{}},
 }

pkg/protocols/common/interactsh/interactsh.go

@@ -160,7 +160,11 @@ func (c *Client) processInteractionForRequest(interaction *server.Interaction, d
 	}()
 	data.Event.Lock()
 	data.Event.InternalEvent["interactsh_protocol"] = interaction.Protocol
-	data.Event.InternalEvent["interactsh_request"] = interaction.RawRequest
+	if strings.EqualFold(interaction.Protocol, "dns") {
+		data.Event.InternalEvent["interactsh_request"] = strings.ToLower(interaction.RawRequest)
+	} else {
+		data.Event.InternalEvent["interactsh_request"] = interaction.RawRequest
+	}
 	data.Event.InternalEvent["interactsh_response"] = interaction.RawResponse
 	data.Event.InternalEvent["interactsh_ip"] = interaction.RemoteAddress
 	data.Event.Unlock()