Red Teaming Experiments
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Active Directory & Kerberos Abuse
offensive security
Red Team Infrastructure
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Code Execution
Code & Process Injection
Defense Evasion
AV Bypass with Metasploit Templates and Custom Binaries
Evading Windows Defender with 1 Byte Change
Bypassing Windows Defender: One TCP Socket Away From Meterpreter and Beacon Sessions
Bypassing Cylance and other AVs/EDRs by Unhooking Windows APIs
Windows API Hashing in Malware
Detecting Hooked Syscalls
Calling Syscalls Directly from Visual Studio to Bypass AVs/EDRs
Retrieving ntdll Syscall Stubs from Disk at Run-time
Full DLL Unhooking with C++
Enumerating RWX Protected Memory Regions for Code Injection
Disabling Windows Event Logs by Suspending EventLog Service Threads
Obfuscated Powershell Invocations
Masquerading Processes in Userland via _PEB
Commandline Obfusaction
File Smuggling with HTML and JavaScript
Timestomping
Alternate Data Streams
Hidden Files
Encode/Decode Data with Certutil
Downloading Files with Certutil
Packed Binaries
Unloading Sysmon Driver
Bypassing IDS Signatures with Simple Reverse Shells
Preventing 3rd Party DLLs from Injecting into your Malware
ProcessDynamicCodePolicy: Arbitrary Code Guard (ACG)
Parent Process ID (PPID) Spoofing
Executing C# Assemblies from Jscript and wscript with DotNetToJscript
Enumeration and Discovery
Privilege Escalation
Credential Access & Dumping
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Persistence
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reversing, forensics & misc
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Cloud
Neo4j
Dump Virtual Box Memory
AES Encryption Using Crypto++ .lib in Visual Studio C++
Reversing Password Checking Routine
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Unloading Sysmon Driver
Unload sysmon driver which causes the system to stop recording sysmon event logs.

Execution

[email protected]
1
fltMC.exe unload SysmonDrv
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Observations

Windows event logs suggesting SysmonDrv was unloaded successfully:
As well as processes requesting special privileges:
Note how in the last 35 minutes since the driver was unloaded, no further process creation events were recorded, although I spawned new processes during that time:
Note how the system thinks that the sysmon is still running, which it is, but not doing anything useful:

References

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Bypassing IDS Signatures with Simple Reverse Shells
Last modified 3yr ago
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Execution
Observations
References