Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects the GHAPPIER four-stage loader execution chain initiated during npm postinstall processes. This rule monitors for malicious child process spawning (cmd, powershell, curl, wget) by node or npm, as well as the presence of specific markers like the '.git-checker' string or URLs associated with the PolinRider/FAMOUS CHOLLIMA npm supply chain campaign.
Detects the presence of PIVOTPIPE loader artifacts, specifically the COFF sleep-mask object file (sleepmask.o) and its associated debug log (nb_sleep_dbg.txt), which are written to a randomly named subfolder within the Windows temporary directory as part of a sleep-obfuscation evasion sequence.
Detects the creation of specific named pipes often associated with Cobalt Strike and similar C2 frameworks used for peer-to-peer (P2P) lateral movement. The detection looks for anomalous pipe names created by processes other than standard Windows system processes (svchost, services, lsass), which is a common indicator of beacon communication relaying.
Detects PIVOTPIPE malware beaconing activity indicative of peer-to-peer (P2P) lateral movement between internal hosts. The rule monitors for sustained established TCP traffic with specific small packet size characteristics, suggesting command-and-control heartbeats or tunneled traffic within the internal network.
This rule detects the presence of ZigCryptoStealer malware deployed via a NativeAOT-compiled Windows executable. The detection relies on identifying specific hardcoded infrastructure strings, such as a BNB Smart Chain RPC endpoint and a specific contract address used to resolve C2 domains. It also looks for common sideloading hosts associated with the malware's delivery.
Detects HTTP responses containing keywords associated with ClearFake campaigns hosted on Cloudflare Workers. These pages are typically designed to trick users into downloading malicious files by displaying fake browser verification or captcha pages.
Detects outbound network traffic from internal hosts to known PIVOTPIPE-associated infrastructure, including attempts to access open directories for payload distribution and suspected Cobalt Strike command-and-control communications.
This rule detects unauthorized access, creation, or modification of Git credential files (.git-credentials, .netrc) by processes other than standard Git credential management utilities. It also monitors command-line activity that references these credential stores to identify potential attempts to exfiltrate or manipulate stored credentials.
Detects the PIVOTPIPE .NET loader's AMSI-bypass routine by monitoring for the suspicious concurrent loading of amsi.dll and .NET runtime modules (clr.dll, mscoree.dll, or coreclr.dll) within the same process. This behavior is indicative of an attempt to hook into the AMSI interface to disable security scanning before executing malicious payloads.
This rule detects suspicious process injection activity directed at explorer.exe. It looks for cases where explorer.exe is initiated by a non-standard parent process and performs remote thread creation, thread context manipulation, or process image mapping, which are common techniques used by malware to hide execution within a legitimate system process.
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