Create CAP_Win32Inet.yara

malware/CAP_Win32Inet.yara

+/*
+    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.
+*/
+
+/* 
+  github.com/dfirnotes/rules
+  Version 0.0.0
+*/
+
+rule Str_Win32_Winsock2_Library
+{
+    meta:
+        author = "@adricnet"
+        description = "Match Winsock 2 API library declaration"
+        method = "String match"
+    strings:
+        $ws2_lib = "Ws2_32.dll" nocase
+        $wsock2_lib = "WSock32.dll" nocase
+    condition:
+	(any of ($ws2_lib, $wsock2_lib))
+}
+
+rule Str_Win32_Wininet_Library
+{
+    meta:
+        author = "@adricnet"
+        description = "Match Windows Inet API library declaration"
+        method = "String match"
+    strings:
+        $wininet_lib = "WININET.dll" nocase
+    condition:
+	(all of ($wininet*))
+}
+
+rule Str_Win32_Internet_API
+{
+    meta:
+        author = "@adricnet"
+        description = "Match Windows Inet API call"
+        method = "String match, trim the As"
+    strings:
+	$wininet_call_closeh = "InternetCloseHandle"
+	$wininet_call_readf = "InternetReadFile"
+	$wininet_call_connect = "InternetConnect"
+	$wininet_call_open = "InternetOpen"
+
+    condition:
+	(any of ($wininet_call*))
+}
+
+rule Str_Win32_Http_API
+{
+    meta:
+        author = "@adricnet"
+        description = "Match Windows Http API call"
+        method = "String match, trim the As"
+    strings:
+	$wininet_call_httpr = "HttpSendRequest"
+	$wininet_call_httpq = "HttpQueryInfo"
+	$wininet_call_httpo = "HttpOpenRequest"
+    condition:
+	(any of ($wininet_call_http*))
+}