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2 Commits
23.05.14 ... 23.08.21

Author SHA1 Message Date
风起 eff36c678b Update RedGuard Version 23.08.21 2023-08-21 01:18:41 +08:00
风起 46f5aa34d5 Update README_CN.md 2023-05-14 20:56:52 +08:00
10 changed files with 252 additions and 19 deletions
Expand all files Collapse all files
CHANGELOG
+6
View File
@@ -1,3 +1,9 @@
## [23.08.21.0113] - 2023-08-21
### Added
- Custom Delete Response Fields
- Added Header Host information in log output
- Solved the wrong package problem
## [23.05.14.2020] - 2023-05-14
### Added
- Sample Fingerprint Identify
README.md
+19 -3
View File
@@ -53,11 +53,11 @@ chmod +x ./RedGuard&&./RedGuard
As shown in the figure below, Set executable permissions and initialize RedGuard. The first run will generate a configuration file in the current user home directory to achieve flexible function configuration. Configuration file name: **.RedGuard_CobaltStrike.ini**.
![1653117707(1).png](https://raw.githubusercontent.com/wikiZ/RedGuardImage/main/1656308555577.jpg)
![1653117707(1).png](https://raw.githubusercontent.com/wikiZ/RedGuardImage/main/1692550594507.png)
**Configuration file content:**
![1653117707(1).png](https://github.com/wikiZ/RedGuardImage/raw/main/1656310498272.png)
![1653117707(1).png](https://github.com/wikiZ/RedGuardImage/raw/main/1692550409350.png)
The configuration options of cert are mainly for the configuration information of SSL certificate encrypted HTTPS communication between the sample and the C2 front infrastructure. The proxy is mainly used to configure the control options in the reverse proxy traffic. The specific use will be explained in detail below.
@@ -86,12 +86,18 @@ HasCert = false
root@VM-4-13-ubuntu:~# ./RedGuard -h
Usage of ./RedGuard:
-DelHeader string
Customize the header to be deleted
-DropAction string
RedGuard interception action (default "redirect")
-EdgeHost string
Set Edge Host Communication Domain (default "*")
-EdgeTarget string
Set Edge Host Proxy Target (default "*")
-FieldFinger string
Set HTTP Header identification field Info
-FieldName string
Set the name of the HTTP Header identification field
-HasCert string
Whether to use the certificate you have applied for (default "true")
-allowIP string
@@ -129,7 +135,6 @@ Usage of ./RedGuard:
-type string
C2 Server Type (default "CobaltStrike")
-u Enable configuration file modification
```
**P.S. You can use the parameter command to modify the configuration file. Of course, I think it may be more convenient to modify it manually with vim.**
@@ -293,6 +298,17 @@ The profile written by 风起 is recommended to use:
> <https://github.com/wikiZ/CobaltStrike-Malleable-Profile>
## Custom Delete Response Fields
In Cobalt Strike 4.7+, Teamserver automatically removes the Content-Encoding header without any notification, potentially causing a malleable http-(get|post).server violation. For example, there is no Content-type in the CS Server response packet, but after being forwarded by RedGuard, the Content-Type is added to the header of the response packet, which causes cf to cache the page, causing interference.
After RedGuard 23.08.21, the function of customizing the header of the response packet has been added. Users can customize and delete the header information in the response packet by modifying the configuration file to solve the problem of incorrect parsing.
```bash
# Customize the header to be deleted example: Keep-Alive,Transfer-Encoding
DelHeader = Keep-Alive,Transfer-Encoding
```
## Sample FingerPrint
RedGuard 23.05.13 has updated the trojan sample fingerprint recognition function, which is based on customizing the HTTP Header field of the Malleable Profile as the fingerprint “**sample salt value**” for uniquely identifying the same **C2 listener**/Header Host. In addition, the trojan sample fingerprint generated by combining other relevant request fields can be used to detect the custom sample liveliness. According to the attacker’s task requirements, the trojan sample fingerprint recognition function can perform “**offline operation**” on the samples you want to disable, to better evade malicious traffic analysis of the sample communication and the staged sample PAYLOAD attack payload acquisition analysis, and provide more personalized stealth measures for the attacker.
RedGuard.log
+181 -1
View File
@@ -316,4 +316,184 @@
[2022-05-30 17:33:19] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /js/config.js
[2022-05-30 17:33:19] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/53L, like Gecko) Chrome/90.0.4430.212 Safari/537.36
[2022-05-30 17:33:19] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 301 Moved Permanently, length: 169
[2022-05-30 17:33:20] [RedGuard/core.modifyResponse.func1.1] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2022-05-30 17:33:20] [RedGuard/core.modifyResponse.func1.1] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net[2023-08-19 22:28:45] [RedGuard/lib.CreateConfig] RedGuard initialization is complete!
[2023-08-19 22:28:45] [RedGuard/lib.CreateConfig] RedGuard config path is: C:\Users\风起/.RedGuard_CobaltStrike.ini
[2023-08-19 22:28:48] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:28:48] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:28:48] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:29:16] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:29:16] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:29:16] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:29:16] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:29:34] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:29:34] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:29:34] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:29:41] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:29:41] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:29:41] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:29:41] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:30:23] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:30:23] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:30:23] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:30:26] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:30:26] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:30:26] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:30:26] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:31:16] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:31:16] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:31:16] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:31:24] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:31:24] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:31:24] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:31:24] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:31:39] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:31:39] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:31:39] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:31:43] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:31:43] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:31:43] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:31:43] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:31:57] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: 07f9ac0700dcc554249f644244e291a1
[2023-08-19 22:31:57] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] POST /api/key/activate?readonly=false
[2023-08-19 22:31:57] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - AcunetixWVS
[2023-08-19 22:31:57] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:33:41] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:33:41] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:33:41] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:33:49] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:33:49] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:33:49] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:33:49] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:33:50] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:33:50] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:33:50] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:33:50] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:35:27] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:35:27] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:35:27] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:35:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REDIRECT] Source IP: 127.0.0.1 -> Destination Site: https://360.net
[2023-08-19 22:42:20] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:42:20] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:42:20] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:42:26] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:42:26] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:42:26] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:42:27] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:42:27] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:42:28] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:42:28] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /img/pv.gif?.stamp=1692456147940&Referer=
[2023-08-19 22:42:28] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:42:28] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:42:29] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:42:29] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /favicon.ico
[2023-08-19 22:42:29] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:42:29] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:42:29] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:43:32] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:43:32] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:43:32] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:43:37] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:43:37] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:43:37] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:43:38] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:43:38] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:43:39] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:43:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /img/pv.gif?.stamp=1692456219015&Referer=
[2023-08-19 22:43:39] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:43:40] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:43:40] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:43:40] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /favicon.ico
[2023-08-19 22:43:40] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:43:41] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:43:41] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:48:03] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 22:48:03] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 22:48:03] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 22:48:10] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:48:10] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:48:10] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:48:12] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:48:12] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:48:14] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:48:14] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /favicon.ico
[2023-08-19 22:48:14] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:48:15] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:48:15] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:48:32] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:48:32] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:48:32] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:48:32] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:48:32] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:48:34] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:48:34] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /img/pv.gif?.stamp=1692456514051&Referer=
[2023-08-19 22:48:34] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:48:34] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:48:44] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:48:44] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /favicon.ico
[2023-08-19 22:48:44] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:48:44] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:48:44] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:48:53] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:48:53] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 22:48:53] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:48:53] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:48:53] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 22:48:54] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:48:54] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /img/pv.gif?.stamp=1692456534121&Referer=
[2023-08-19 22:48:54] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:48:54] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:49:10] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 22:49:10] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /favicon.ico
[2023-08-19 22:49:10] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 22:49:10] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 22:49:10] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 23:09:04] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 23:09:04] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 23:09:04] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 23:09:28] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:09:28] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 23:09:28] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:09:29] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:09:29] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 23:09:30] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:09:30] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /img/pv.gif?.stamp=1692457770219&Referer=
[2023-08-19 23:09:30] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:09:30] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:13:22] [main.(*cobaltStrike).serverInit] HostTarget: {"360.net":"http://127.0.0.1:8080","360.com":"https://127.0.0.1:4433"}
[2023-08-19 23:13:22] [RedGuard/core.ProxyManger] Proxy Listen Port :80 (HTTP)
[2023-08-19 23:13:22] [RedGuard/core.ProxyManger] Proxy Listen Port :443 (HTTPS)
[2023-08-19 23:14:53] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:14:53] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 23:14:53] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:14:54] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:14:54] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 23:14:55] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:14:55] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /img/pv.gif?.stamp=1692458095001&Referer=
[2023-08-19 23:14:55] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:14:55] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:14:56] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:14:56] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /favicon.ico
[2023-08-19 23:14:56] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:14:57] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:14:57] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 23:15:09] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:15:09] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /
[2023-08-19 23:15:09] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:15:09] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:15:09] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
[2023-08-19 23:15:09] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:15:09] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /img/pv.gif?.stamp=1692458109917&Referer=
[2023-08-19 23:15:09] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:15:10] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:15:10] [RedGuard/core.(*baseHandle).ServeHTTP] JA3 FingerPrint: d41d8cd98f00b204e9800998ecf8427e
[2023-08-19 23:15:10] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] GET /favicon.ico
[2023-08-19 23:15:10] [RedGuard/core.(*baseHandle).ServeHTTP] [REQUEST] 127.0.0.1 - Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
[2023-08-19 23:15:11] [RedGuard/core.modifyResponse.func1.1] [RESPONSE] HTTP 200 OK, length: -1
[2023-08-19 23:15:11] [RedGuard/core.(*baseHandle).ServeHTTP] [PROXY] Source IP: 127.0.0.1 -> Destination Site: https://market.baidu.com
config/RedGuard_CobaltStrike.go
+2
View File
@@ -38,6 +38,8 @@ MalleableFile = *
EdgeHost = *
# Edge Host Proxy Target example: EdgeTarget = 360.com
EdgeTarget = *
# Customize the header to be deleted example: Keep-Alive,Transfer-Encoding
DelHeader = *
[SampleFinger]
# HTTP Request Header Field
config/version.go
+2 -2
View File
@@ -21,11 +21,11 @@ Github:%s
RedGuard is a C2 front flow control tool,Can avoid Blue Teams,AVs,EDRs check.
`
VERSION = "23.05.13 Alpha"
VERSION = "23.08.21 Alpha"
TITLE = "RedGuard"
LICENSE = "GPL-2.0"
URL = "https://github.com/wikiZ/RedGuard"
AUTHOR = "风起"
TEAM = "0/00"
TEAM = "Independent Security Researcher"
COPYRIGHT = "Copyright (C) 2022 风起. All Rights Reserved"
)
core/ProxyHandler.go
+15 -5
View File
@@ -34,21 +34,28 @@ var (
type baseHandle struct{}
func NewProxy(proxyURL string, dropType bool) (*httputil.ReverseProxy, error) {
func NewProxy(proxyURL string, dropType bool, delHeader string) (*httputil.ReverseProxy, error) {
destinationURL, err := url.Parse(proxyURL)
if err != nil {
return nil, err
}
proxy := httputil.NewSingleHostReverseProxy(destinationURL)
// dropType Check whether the response to the request is changed
proxy.ModifyResponse = modifyResponse(dropType) // Modifies the response to the request
proxy.ModifyResponse = modifyResponse(dropType, delHeader) // Modifies the response to the request
return proxy, nil
}
func modifyResponse(drop bool) func(*http.Response) error {
func modifyResponse(drop bool, delHeader string) func(*http.Response) error {
return func(resp *http.Response) error {
defer func(Body io.ReadCloser) {
logger.Warningf("[RESPONSE] HTTP %s, length: %d", resp.Status, resp.ContentLength)
delHeaderList := strings.Split(delHeader, ",")
if delHeader != "*" && delHeaderList != nil {
// Delete the header field specified in the RG response type
for _, header := range delHeaderList {
resp.Header.Del(header)
}
}
if drop {
// DROP Request
logger.Alertf("[DROP] Source IP: %s", resp.Request.RemoteAddr)
@@ -77,6 +84,8 @@ func (h *baseHandle) ServeHTTP(write http.ResponseWriter, req *http.Request) {
edgeHost = lib.ReadConfig("proxy", "EdgeHost", cfg)
// Read the Edge Host Proxy Target
edgeTarget = lib.ReadConfig("proxy", "EdgeTarget", cfg)
// Customize the header to be deleted
delHeader = lib.ReadConfig("proxy", "DelHeader", cfg)
)
var isDrop bool
var proxy *httputil.ReverseProxy
@@ -98,6 +107,7 @@ func (h *baseHandle) ServeHTTP(write http.ResponseWriter, req *http.Request) {
// Check whether the host is verified
if IPHash := lib.EncodeMD5(req.JA3); arrays.ContainsString(_addressArray, req.JA3) == -1 {
logger.Noticef("JA3 FingerPrint: %s", IPHash)
logger.Noticef("[REQUEST] Host:%s", req.Host)
logger.Noticef("[REQUEST] %s %s", req.Method, req.RequestURI)
logger.Noticef("[REQUEST] %s - %s", req.RemoteAddr, req.UserAgent())
// Request filtering method
@@ -114,7 +124,7 @@ func (h *baseHandle) ServeHTTP(write http.ResponseWriter, req *http.Request) {
// Check whether the domain name is in the whitelist
if target, ok := hostTarget[*host]; ok {
proxy, err := NewProxy(target, false)
proxy, err := NewProxy(target, false, delHeader)
if err != nil {
logger.Error("Proxy Exception")
}
@@ -144,7 +154,7 @@ LOOK:
break
}
// Determine whether to redirect or intercept intercepted traffic
proxy, _ = NewProxy(redirectURL, isDrop)
proxy, _ = NewProxy(redirectURL, isDrop, delHeader)
// Unauthorized access is redirected to the specified URL
proxy.ServeHTTP(write, req)
REDIRECT:
core/arguments.go
+1
View File
@@ -38,5 +38,6 @@ func CmdParse(parse *parameter.Parses, cert *parameter.Cert, finger *parameter.S
flag.StringVar(&proxy.EdgeTarget, "EdgeTarget", "*", "Set Edge Host Proxy Target")
flag.StringVar(&finger.FieldName, "FieldName", "", "Set the name of the HTTP Header identification field")
flag.StringVar(&finger.FieldFinger, "FieldFinger", "", "Set HTTP Header identification field Info")
flag.StringVar(&finger.FieldFinger, "DelHeader", "", "Customize the header to be deleted")
flag.Parse()
}
core/parameter/options.go
+1
View File
@@ -37,6 +37,7 @@ type Proxy struct {
MalleableFile string
EdgeHost string
EdgeTarget string
DelHeader string
}
// ProxyConf Reverse proxy configuration structure
doc/README_CN.md
+24 -7
View File
@@ -51,11 +51,11 @@ chmod +x ./RedGuard&&./RedGuard
如下图，首先对RedGuard赋予可执行权限并进行初始化操作，第一次运行会在当前用户目录下生成配置文件，以实现灵活的功能配置，**配置文件名：.RedGuard_CobaltStrike.ini**。
![1653117707(1).png](https://raw.githubusercontent.com/wikiZ/RedGuardImage/main/1656308555577.jpg)
![1653117707(1).png](https://raw.githubusercontent.com/wikiZ/RedGuardImage/main/1692550594507.png)
**配置文件内容：**
![1653117707(1).png](https://github.com/wikiZ/RedGuardImage/raw/main/1656310498272.png)
![1653117707(1).png](https://github.com/wikiZ/RedGuardImage/raw/main/1692550409350.png)
cert的配置选项主要是针对样本与C2前置设施的HTTPS流量交互证书的配置信息，proxy主要用于配置反向代理流量中的控制选项，具体使用会在下面进行详细讲解。
@@ -83,13 +83,19 @@ HasCert = false
```bash
root@VM-4-13-ubuntu:~# ./RedGuard -h
Usage of ./RedGuard.exe:
Usage of ./RedGuard:
-DelHeader string
Customize the header to be deleted
-DropAction string
RedGuard interception action (default "redirect")
-EdgeHost string
Set Edge Host Communication Domain (default "*")
-EdgeTarget string
Set Edge Host Proxy Target (default "*")
-FieldFinger string
Set HTTP Header identification field Info
-FieldName string
Set the name of the HTTP Header identification field
-HasCert string
Whether to use the certificate you have applied for (default "true")
-allowIP string
@@ -291,11 +297,22 @@ MalleableFile = /root/cobaltstrike/Malleable.profile
> https://github.com/wikiZ/CobaltStrike-Malleable-Profile
## 自定义删除响应字段
在 Cobalt Strike 4.7+ 中，Teamserver 会在没有任何通知的情况下自动删除 Content-Encoding 标头，从而可能导致违反可延展http-(get|post).server。例如CS Server响应包中没有Content-type，但经过了RedGuard转发后，在响应包Header添加了Content-Type，然后导致cf对这个页面进行了缓存，造成了干扰。
在RedGuard 23.08.21版本后增加了自定义响应包Header头的功能，用户可以通过修改配置文件的方式进行自定义删除的响应包中的Header信息，以解决错误解析的问题。
```bash
# Customize the header to be deleted example: Keep-Alive,Transfer-Encoding
DelHeader = Keep-Alive,Transfer-Encoding
```
## Sample FingerPrint
RedGuard 23.05.13已更新木马样本指纹识别功能，该功能基于对Malleable Profile自定义设置HTTP Header字段，作为该指纹“**样本Salt值**”为相同**C2监听器/**Header Host提供唯一辨识并结合其他相关请求字段生成木马样本指纹，用于自定义样本存活性。根据攻击方任务需求，针对希望失效的样本进行**“下线操作”**，更好的规避恶意研判流量的样本通联性关联及分阶段样本PAYLOAD攻击载荷获取分析，给予攻击方更加个性化的隐匿措施。
RedGuard 23.05.13已更新木马样本指纹识别功能，该功能基于对Malleable Profile自定义设置HTTP Header字段作为该指纹“**样本Salt值**”，为相同**C2监听器/**Header Host提供唯一辨识。此外，结合其他相关请求字段生成的木马样本指纹，可用于检测自定义样本存活性。根据攻击方任务要求，木马样本指纹识别功能可针对希望失效的样本进行**“下线操作”**，更好地规避恶意研判流量的样本通联性关联及分阶段样本PAYLOAD攻击载荷获取分析，给予攻击方更加个性化的隐匿措施。
针对不同C2监听器，我们可以设置不同Malleable Profile配置别称并自定义相关header的字段名及值，作为样本Salt值并以此作为区分不同样本之间的辨识之一。下列代码是为了方便说明，而在实际攻防场景下我们可以给予更加贴合实际的HTTP请求包字段作为判断依据。
针对不同C2监听器，我们可以给不同的Malleable Profile配置别称、自定义相关header的字段名和值作为样本Salt值，以此作为区分不同样本之间的辨识之一。下列代码是为了方便说明，而在实际攻防场景下我们可以给予更加贴合实际的HTTP请求包字段作为判断依据。
```bash
http-get "listen2" {
@@ -318,13 +335,13 @@ http-get "listen2" {
- **Salt值：866e5289337ab033f89bc57c5274c7ca**
- **Host字段值：redguard.com**
这里根据对上述值进行拼接得到sample指纹为：
根据对上述值进行拼接得到sample指纹为：
```bash
22e6db08c5ef1889d64103a290ac145c
```
目前已知上述样本指纹，现在我们在RedGuard配置文件中设置自定义的Header字段及样本指纹用于恶意流量拦截，值得注意的是我们可以拓展多个样本指纹，不同指纹之间以逗号分隔，FieldName需要和Malleable Profile中配置的Header字段名称达成一致。
目前已知上述样本指纹，现在我们在RedGuard配置文件中设置自定义的Header字段及样本指纹用于恶意流量拦截。值得注意的是，我们可以拓展多个样本指纹，不同指纹之间以逗号分隔，FieldName需要和Malleable Profile中配置的Header字段名称保持一致。
![image.png](https://raw.githubusercontent.com/wikiZ/RedGuardImage/main/aa7488ece6370ff2559400a108664a4.png)
lib/handle_config.go
+1 -1
View File
@@ -83,7 +83,7 @@ func UpdateConfig(cert *parameter.Cert, proxy *parameter.Proxy, finger *paramete
"Port_HTTP": proxy.HTTPort, "Port_HTTPS": proxy.HTTPSPort, "Redirect": proxy.Redirect,
"AllowIP": proxy.AllowIP, "AllowTime": proxy.AllowTime, "AllowLocation": proxy.AllowLocation,
"drop_action": proxy.DropAction, "HostTarget": proxy.HostTarget, "MalleableFile": proxy.MalleableFile,
"EdgeHost": proxy.EdgeHost, "EdgeTarget": proxy.EdgeTarget,
"EdgeHost": proxy.EdgeHost, "EdgeTarget": proxy.EdgeTarget, "DelHeader": proxy.DelHeader,
}
_sampleFinger = map[string]string{
"FieldName": finger.FieldName, "FieldFinger": finger.FieldFinger,