SHELLCODE: Windows x64 Metasploit Stager Payload

This signature detects malicious x64 metasploit stager shellcodes. A stager shellcode establishes a communication channel between the attacker and the victim and reads in a subsequent payload to execute on the remote host. Attempts to execute such shellcode indicate malicious activity.

Extended Description

Stack-based buffer overflow in GCoreServer.exe in the server in Geutebrueck Gcore 1.3.8.42 and 1.4.2.37 allows remote attackers to execute arbitrary code via a long URI in a GET request.

Affected Products

Geutebrueck gcore

Short Name
SHELLCODE:X64:WIN-STAGER
Severity
Critical
Recommended
False
Recommended Action
Drop
Category
SHELLCODE
Keywords
CVE-2017-11517 Metasploit Payload Stager Windows x64
Release Date
08/27/2014
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3337
Port
TCP/0-79,81-442,444-3127,3129-7999,8001-8079,8081-65535
False Positive
Unknown
Vendors

Geutebrueck

CVSS Score

7.5

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