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feat: strengthen spoof parent PID rule with full PPID spoofing flow #1167

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feat: strengthen spoof parent PID rule with full PPID spoofing flow #1167

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9dc206b
feat: strengthen spoof parent PID rule with full PPID spoofing flow
itxsamad1 Jun 26, 2026
fe03d39
Update spoof parent PID example with verified PPID spoof PoC sample
itxsamad1 Jun 26, 2026
865863a
Update spoof parent PID example with verified PoC sample
itxsamad1 Jun 26, 2026
0697bdb
Update spoof parent PID example with verified PoC sample
itxsamad1 Jun 26, 2026
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18 changes: 16 additions & 2 deletions anti-analysis/anti-forensic/spoof-parent-pid.yml
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Expand Up @@ -5,16 +5,30 @@ rule:
namespace: anti-analysis/anti-forensic
authors:
- michael.hunhoff@mandiant.com
- itxsamad1
scopes:
static: basic block
dynamic: call
static: function
dynamic: span of calls
att&ck:
- Defense Evasion::Access Token Manipulation::Parent PID Spoofing [T1134.004]
references:
- https://blog.f-secure.com/detecting-parent-pid-spoofing/
- https://attack.mitre.org/techniques/T1134/004/
examples:
- bfe31574ede658dcd647bcbcceee17cf10605a66fe8be366da94f90f4ed516a3:0x140001760
- 2ebadd04f0ada89c36c1409b6e96423a68dd77b513db8db3da203c36d3753e5f:0x140002291
features:
- and:
- api: kernel32.InitializeProcThreadAttributeList
- api: kernel32.UpdateProcThreadAttribute
- number: 0x20000 = PROC_THREAD_ATTRIBUTE_PARENT_PROCESS
- or:
- api: kernel32.CreateProcess
- api: kernel32.CreateProcessA
- api: kernel32.CreateProcessW
- api: kernel32.CreateProcessAsUser
- api: kernel32.CreateProcessWithLogonW
- api: kernel32.CreateProcessWithTokenW
- api: advapi32.CreateProcessAsUser
- api: advapi32.CreateProcessWithLogon
- api: advapi32.CreateProcessWithToken