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Georg Lauenstein

@gsec
Trusted contributorCompletionist
11 followers458 downloads641 copies43 likes15,532 views

206 detections

Detects creation of scheduled task for rclone-based data
exfiltration. The Gentlemen create a task named SafeSync that runs 'rclone.ps1' at startup with SYSTEM privileges and HIGHEST run level.
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Georg Lauenstein@gsec
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SecOps Signals
7 months ago
0080
Detects silent AnyDesk deployment with password setting, used
by The Gentlemen for persistent remote access. They use --install combined
with --start-with-win --silent and --set-password, deployed via NetExec
or Conti-style PowerShell functions with hardcoded credentials.
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Georg Lauenstein@gsec
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SecOps Signals
7 months ago
1071
Detects loading of vulnerable signed drivers used by The Gentlemen
for BYOVD-based EDR/AV termination at kernel level. Known drivers include
ThrottleBlood.sys (renamed ThrottleStop.sys) and viragt64.sys.
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Georg Lauenstein@gsec
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SecOps Signals
7 months ago
0040
Detects installation of Windows PowerShell Web Access (PSWA)
feature, used by The Gentlemen for persistent web-based PowerShell access.
They add wildcard authorization rules allowing all users on all computers.
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Georg Lauenstein@gsec
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SecOps Signals
7 months ago
0057
Detects creation of or addition to the ESX Admins Active
Directory group, used by The Gentlemen to exploit CVE-2024-37085 for
ESXi host takeover with full administrative access.
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Georg Lauenstein@gsec
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SecOps Signals
7 months ago
0033
Detects PowerShell reflective assembly loading with byte array reversal technique used by APT36 SheetCreep
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Georg Lauenstein@gsec
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SecOps Signals
8 months ago
60124
Detects network communication to known APT36 Havoc C2 infrastructure IP addresses
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Georg Lauenstein@gsec
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SecOps Signals
8 months ago
10108
Detects scheduled task creation with naming patterns matching APT36 CreepDropper persistence mechanism
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Georg Lauenstein@gsec
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SecOps Signals
8 months ago
10106
Detects silent installation of Cloudflare tunnel client which may establish covert C2 channels
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Georg Lauenstein@gsec
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SecOps Signals
8 months ago
50106
Detects outbound network connections to AWS Lambda function URLs which may indicate HazyBeacon backdoor or similar cloud-based C2
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Georg Lauenstein@gsec
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SecOps Signals
8 months ago
1090
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