diff --git a/enumeration/windows/powershell.md b/enumeration/windows/powershell.md
index e801899..96f67f5 100644
--- a/enumeration/windows/powershell.md
+++ b/enumeration/windows/powershell.md
@@ -65,11 +65,30 @@ Get-ChildItem -Path C:\ -Recurse -Include *.txt -ErrorAction SilentlyContinue |
 ```sh
 Get-HotFix | Format-list | findstr <searchstring>
 ```
+```sh
+Get-ChildItem -Hidden -Recurse -ErrorAction SilentlyContinue
+```
+* Find backup files
+```sh
+Get-ChildItem -Path C:\ -Recurse -Include *.bak* -ErroAction SilentlyContinue
+```
+* Find file contents
+```sh
+Get-ChildItem -Path C:\* -Recurse | Select-String -pattern API_KEY
+```
 
 ## Showing File Content
 ```
 Get-Content 'C:\Program Files\interesting-file.txt'
 ```
+* Indexing lines
+```sh
+(Get-Content -Path file.txt)[index]
+```
+* Search
+```sh
+Select-String <filename> -Pattern <pattern>
+```
 
 ## Copy File Content
 ```sh
@@ -79,7 +98,12 @@ Copy-Item <sourcefile> <destfile>
 ## Count Lines of Output
 As an example, count all cmdlets on the system
 ```
-Get-Command | Where-Object CommandType -eq CmdLet | Measure-Object
+Get-Command | Where-Object CommandType -eq CmdLet | Measure-Object 
+```
+
+## Count Words
+```
+Get-Command | Where-Object CommandType -eq CmdLet | Measure-Object -Word
 ```
 
 ## Checksum of File
@@ -160,16 +184,6 @@ Get-Hotfix
 Get-Hotfix | Where-Object -Property HotFixID -Match KB124284
 ```
 
-### Find files and Content
-* Find backup files
-```
-Get-ChildItem -Path C:\ -Recurse -Include *.bak* -ErroAction SilentlyContinue
-```
-
-* Find file contents
-```
-Get-ChildItem -Path C:\* -Recurse | Select-String -pattern API_KEY
-```
 
 ### Processes
 * Start processes
@@ -190,6 +204,16 @@ or
 Get-ScheduledTask -TaskName taskname
 ```
 
+### Alternate Data Stream(ADS)
+* Show ADS
+```sh
+Get-Item -Path file.exe -Stream *
+```
+* Open ADS
+```sh
+wmic process call create $(Resolve-Path file.exe:streamname)
+```
+
 ### Export Output
 * Export as CSV
 ```sh
diff --git a/enumeration/windows/vss.md b/enumeration/windows/vss.md
new file mode 100644
index 0000000..80b78d7
--- /dev/null
+++ b/enumeration/windows/vss.md
@@ -0,0 +1,9 @@
+# Volume Shadow Copy Service
+
+## Usage
+```sh
+vssadmin list volumes
+```
+```sh
+vssadmin list shadows
+```
diff --git a/exploit/web/ssrf/ssrf.md b/exploit/web/ssrf/ssrf.md
index a26b9bd..b977e8f 100644
--- a/exploit/web/ssrf/ssrf.md
+++ b/exploit/web/ssrf/ssrf.md
@@ -58,6 +58,9 @@ This may be used for path traversal
 ```
 Check return value of the form for result.
 
+## Tricks
+* `localtest.me` resolves to `127.0.0.1`, may be used to extend a domain inside a parameter to redirect to localhost.
+
 ## Tools
 * [Payload All The Things](https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/Server%20Side%20Request%20Forgery#file)
 * https://requestbin.com